diff --git a/apps/browser/src/vault/popup/components/vault-v2/assign-collections/assign-collections.component.ts b/apps/browser/src/vault/popup/components/vault-v2/assign-collections/assign-collections.component.ts
index 202103c16d..c10236236e 100644
--- a/apps/browser/src/vault/popup/components/vault-v2/assign-collections/assign-collections.component.ts
+++ b/apps/browser/src/vault/popup/components/vault-v2/assign-collections/assign-collections.component.ts
@@ -8,6 +8,7 @@ import { Observable, combineLatest, first, map, switchMap } from "rxjs";
 import { CollectionService } from "@bitwarden/admin-console/common";
 import { JslibModule } from "@bitwarden/angular/jslib.module";
 import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 import { OrganizationId } from "@bitwarden/common/types/guid";
 import { CipherService } from "@bitwarden/common/vault/abstractions/cipher.service";
 import { CipherView } from "@bitwarden/common/vault/models/view/cipher.view";
@@ -49,6 +50,8 @@ export class AssignCollections {
   /** Params needed to populate the assign collections component */
   params: CollectionAssignmentParams;
 
+  private activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+
   constructor(
     private location: Location,
     private collectionService: CollectionService,
@@ -70,7 +73,7 @@ export class AssignCollections {
       ),
     );
 
-    combineLatest([cipher$, this.collectionService.decryptedCollections$])
+    combineLatest([cipher$, this.collectionService.decryptedCollections$(this.activeUserId$)])
       .pipe(takeUntilDestroyed(), first())
       .subscribe(([cipherView, collections]) => {
         let availableCollections = collections.filter((c) => !c.readOnly);
diff --git a/apps/browser/src/vault/popup/components/vault/vault-items.component.ts b/apps/browser/src/vault/popup/components/vault/vault-items.component.ts
index ee6858fe44..614eaafe1b 100644
--- a/apps/browser/src/vault/popup/components/vault/vault-items.component.ts
+++ b/apps/browser/src/vault/popup/components/vault/vault-items.component.ts
@@ -22,6 +22,9 @@ import { BrowserApi } from "../../../../platform/browser/browser-api";
 import BrowserPopupUtils from "../../../../platform/popup/browser-popup-utils";
 import { VaultBrowserStateService } from "../../../services/vault-browser-state.service";
 import { VaultFilterService } from "../../../services/vault-filter.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
+import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { firstValueFrom } from "rxjs";
 
 const ComponentId = "VaultItemsComponent";
 
@@ -49,6 +52,8 @@ export class VaultItemsComponent extends BaseVaultItemsComponent implements OnIn
   private applySavedState = true;
   private scrollingContainer = "cdk-virtual-scroll-viewport";
 
+  private activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+
   constructor(
     searchService: SearchService,
     private organizationService: OrganizationService,
@@ -64,6 +69,7 @@ export class VaultItemsComponent extends BaseVaultItemsComponent implements OnIn
     private platformUtilsService: PlatformUtilsService,
     cipherService: CipherService,
     private vaultFilterService: VaultFilterService,
+    private accountService: AccountService,
   ) {
     super(searchService, cipherService);
     this.applySavedState =
@@ -133,7 +139,10 @@ export class VaultItemsComponent extends BaseVaultItemsComponent implements OnIn
         this.showVaultFilter = false;
         this.collectionId = params.collectionId;
         this.searchPlaceholder = this.i18nService.t("searchCollection");
-        const collectionNode = await this.collectionService.getNested(this.collectionId);
+        const allCollections = await firstValueFrom(
+          this.collectionService.decryptedCollections$(this.activeUserId$),
+        );
+        const collectionNode = this.collectionService.getNested(allCollections, this.collectionId);
         if (collectionNode != null && collectionNode.node != null) {
           this.groupingTitle = collectionNode.node.name;
           this.nestedCollections =
diff --git a/apps/browser/src/vault/popup/services/vault-popup-items.service.spec.ts b/apps/browser/src/vault/popup/services/vault-popup-items.service.spec.ts
index 42d76e1dfe..72189b306d 100644
--- a/apps/browser/src/vault/popup/services/vault-popup-items.service.spec.ts
+++ b/apps/browser/src/vault/popup/services/vault-popup-items.service.spec.ts
@@ -8,8 +8,8 @@ import { OrganizationService } from "@bitwarden/common/admin-console/abstraction
 import { Organization } from "@bitwarden/common/admin-console/models/domain/organization";
 import { ProductTierType } from "@bitwarden/common/billing/enums";
 import { SyncService } from "@bitwarden/common/platform/sync";
-import { ObservableTracker } from "@bitwarden/common/spec";
-import { CipherId } from "@bitwarden/common/types/guid";
+import { mockAccountServiceWith, ObservableTracker } from "@bitwarden/common/spec";
+import { CipherId, UserId } from "@bitwarden/common/types/guid";
 import { CipherService } from "@bitwarden/common/vault/abstractions/cipher.service";
 import { VaultSettingsService } from "@bitwarden/common/vault/abstractions/vault-settings/vault-settings.service";
 import { CipherType } from "@bitwarden/common/vault/enums";
@@ -20,6 +20,7 @@ import { BrowserApi } from "../../../platform/browser/browser-api";
 import { VaultPopupAutofillService } from "./vault-popup-autofill.service";
 import { VaultPopupItemsService } from "./vault-popup-items.service";
 import { VaultPopupListFiltersService } from "./vault-popup-list-filters.service";
+import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
 
 describe("VaultPopupItemsService", () => {
   let testBed: TestBed;
@@ -39,6 +40,7 @@ describe("VaultPopupItemsService", () => {
   const collectionService = mock<CollectionService>();
   const vaultAutofillServiceMock = mock<VaultPopupAutofillService>();
   const syncServiceMock = mock<SyncService>();
+  const accountServiceMock = mockAccountServiceWith("UserId" as UserId);
 
   beforeEach(() => {
     allCiphers = cipherFactory(10);
@@ -90,7 +92,7 @@ describe("VaultPopupItemsService", () => {
     ];
 
     organizationServiceMock.organizations$ = new BehaviorSubject([mockOrg]);
-    collectionService.decryptedCollections$ = new BehaviorSubject(mockCollections);
+    collectionService.decryptedCollections$.mockReturnValue(new BehaviorSubject(mockCollections));
 
     activeUserLastSync$ = new BehaviorSubject(new Date());
     syncServiceMock.activeUserLastSync$.mockReturnValue(activeUserLastSync$);
@@ -105,6 +107,7 @@ describe("VaultPopupItemsService", () => {
         { provide: CollectionService, useValue: collectionService },
         { provide: VaultPopupAutofillService, useValue: vaultAutofillServiceMock },
         { provide: SyncService, useValue: syncServiceMock },
+        { provide: AccountService, useValue: accountServiceMock },
       ],
     });
 
diff --git a/apps/browser/src/vault/popup/services/vault-popup-items.service.ts b/apps/browser/src/vault/popup/services/vault-popup-items.service.ts
index 09c7d5fb0d..848302949c 100644
--- a/apps/browser/src/vault/popup/services/vault-popup-items.service.ts
+++ b/apps/browser/src/vault/popup/services/vault-popup-items.service.ts
@@ -36,6 +36,8 @@ import { PopupCipherView } from "../views/popup-cipher.view";
 
 import { VaultPopupAutofillService } from "./vault-popup-autofill.service";
 import { MY_VAULT_ID, VaultPopupListFiltersService } from "./vault-popup-list-filters.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
+import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
 
 /**
  * Service for managing the various item lists on the new Vault tab in the browser popup.
@@ -45,6 +47,7 @@ import { MY_VAULT_ID, VaultPopupListFiltersService } from "./vault-popup-list-fi
 })
 export class VaultPopupItemsService {
   private _searchText$ = new BehaviorSubject<string>("");
+  private activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
 
   /**
    * Subject that emits whenever new ciphers are being processed/filtered.
@@ -90,7 +93,7 @@ export class VaultPopupItemsService {
     switchMap((ciphers) =>
       combineLatest([
         this.organizationService.organizations$,
-        this.collectionService.decryptedCollections$,
+        this.collectionService.decryptedCollections$(this.activeUserId$),
       ]).pipe(
         map(([organizations, collections]) => {
           const orgMap = Object.fromEntries(organizations.map((org) => [org.id, org]));
@@ -260,6 +263,7 @@ export class VaultPopupItemsService {
     private collectionService: CollectionService,
     private vaultPopupAutofillService: VaultPopupAutofillService,
     private syncService: SyncService,
+    private accountService: AccountService,
   ) {}
 
   applyFilter(newSearchText: string) {
diff --git a/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.spec.ts b/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.spec.ts
index 5d7e690193..1695a03788 100644
--- a/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.spec.ts
+++ b/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.spec.ts
@@ -7,11 +7,15 @@ import { OrganizationService } from "@bitwarden/common/admin-console/abstraction
 import { PolicyService } from "@bitwarden/common/admin-console/abstractions/policy/policy.service.abstraction";
 import { PolicyType } from "@bitwarden/common/admin-console/enums";
 import { Organization } from "@bitwarden/common/admin-console/models/domain/organization";
+import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
 import { ProductTierType } from "@bitwarden/common/billing/enums";
 import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
+import { mockAccountServiceWith } from "@bitwarden/common/spec";
+import { UserId } from "@bitwarden/common/types/guid";
 import { CipherService } from "@bitwarden/common/vault/abstractions/cipher.service";
 import { FolderService } from "@bitwarden/common/vault/abstractions/folder/folder.service.abstraction";
 import { CipherType } from "@bitwarden/common/vault/enums";
+import { TreeNode } from "@bitwarden/common/vault/models/domain/tree-node";
 import { CipherView } from "@bitwarden/common/vault/models/view/cipher.view";
 import { FolderView } from "@bitwarden/common/vault/models/view/folder.view";
 
@@ -26,8 +30,8 @@ describe("VaultPopupListFiltersService", () => {
   const policyAppliesToActiveUser$ = new BehaviorSubject<boolean>(false);
 
   const collectionService = {
-    decryptedCollections$,
-    getAllNested: () => Promise.resolve([]),
+    decryptedCollections$: () => decryptedCollections$,
+    getAllNested: () => [] as TreeNode<CollectionView>[],
   } as unknown as CollectionService;
 
   const folderService = {
@@ -50,13 +54,15 @@ describe("VaultPopupListFiltersService", () => {
     policyAppliesToActiveUser$: jest.fn(() => policyAppliesToActiveUser$),
   };
 
+  const accountService = mockAccountServiceWith("userId" as UserId);
+
   beforeEach(() => {
     memberOrganizations$.next([]);
     decryptedCollections$.next([]);
     policyAppliesToActiveUser$.next(false);
     policyService.policyAppliesToActiveUser$.mockClear();
 
-    collectionService.getAllNested = () => Promise.resolve([]);
+    collectionService.getAllNested = () => [] as TreeNode<CollectionView>[];
     TestBed.configureTestingModule({
       providers: [
         {
@@ -84,6 +90,10 @@ describe("VaultPopupListFiltersService", () => {
           useValue: policyService,
         },
         { provide: FormBuilder, useClass: FormBuilder },
+        {
+          provide: AccountService,
+          useValue: accountService,
+        },
       ],
     });
 
@@ -276,13 +286,11 @@ describe("VaultPopupListFiltersService", () => {
       decryptedCollections$.next(testCollections);
 
       collectionService.getAllNested = () =>
-        Promise.resolve(
-          testCollections.map((c) => ({
-            children: [],
-            node: c,
-            parent: null,
-          })),
-        );
+        testCollections.map((c) => ({
+          children: [],
+          node: c,
+          parent: null,
+        }));
     });
 
     it("returns all collections", (done) => {
diff --git a/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.ts b/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.ts
index 4059a43b56..bcb720f170 100644
--- a/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.ts
+++ b/apps/browser/src/vault/popup/services/vault-popup-list-filters.service.ts
@@ -1,15 +1,7 @@
 import { Injectable } from "@angular/core";
 import { takeUntilDestroyed } from "@angular/core/rxjs-interop";
 import { FormBuilder } from "@angular/forms";
-import {
-  combineLatest,
-  distinctUntilChanged,
-  map,
-  Observable,
-  startWith,
-  switchMap,
-  tap,
-} from "rxjs";
+import { combineLatest, distinctUntilChanged, map, Observable, startWith, tap } from "rxjs";
 
 import { CollectionService, Collection, CollectionView } from "@bitwarden/admin-console/common";
 import { DynamicTreeNode } from "@bitwarden/angular/vault/vault-filter/models/dynamic-tree-node.model";
@@ -17,6 +9,8 @@ import { OrganizationService } from "@bitwarden/common/admin-console/abstraction
 import { PolicyService } from "@bitwarden/common/admin-console/abstractions/policy/policy.service.abstraction";
 import { PolicyType } from "@bitwarden/common/admin-console/enums";
 import { Organization } from "@bitwarden/common/admin-console/models/domain/organization";
+import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 import { ProductTierType } from "@bitwarden/common/billing/enums";
 import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
 import { Utils } from "@bitwarden/common/platform/misc/utils";
@@ -81,6 +75,8 @@ export class VaultPopupListFiltersService {
     map((ciphers) => Object.values(ciphers)),
   );
 
+  private activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+
   constructor(
     private folderService: FolderService,
     private cipherService: CipherService,
@@ -89,6 +85,7 @@ export class VaultPopupListFiltersService {
     private collectionService: CollectionService,
     private formBuilder: FormBuilder,
     private policyService: PolicyService,
+    private accountService: AccountService,
   ) {
     this.filterForm.controls.organization.valueChanges
       .pipe(takeUntilDestroyed())
@@ -302,7 +299,7 @@ export class VaultPopupListFiltersService {
           previousFilter.organization?.id === currentFilter.organization?.id,
       ),
     ),
-    this.collectionService.decryptedCollections$,
+    this.collectionService.decryptedCollections$(this.activeUserId$),
   ]).pipe(
     map(([filters, allCollections]) => {
       const organizationId = filters.organization?.id ?? null;
@@ -314,8 +311,8 @@ export class VaultPopupListFiltersService {
 
       return collections;
     }),
-    switchMap(async (collections) => {
-      const nestedCollections = await this.collectionService.getAllNested(collections);
+    map((collections) => {
+      const nestedCollections = this.collectionService.getAllNested(collections);
 
       return new DynamicTreeNode<CollectionView>({
         fullList: collections,
diff --git a/apps/browser/src/vault/services/vault-filter.service.ts b/apps/browser/src/vault/services/vault-filter.service.ts
index 50858076d7..2e2ea3ad74 100644
--- a/apps/browser/src/vault/services/vault-filter.service.ts
+++ b/apps/browser/src/vault/services/vault-filter.service.ts
@@ -22,7 +22,7 @@ export class VaultFilterService extends BaseVaultFilterService {
     collectionService: CollectionService,
     policyService: PolicyService,
     stateProvider: StateProvider,
-    private accountService: AccountService,
+    accountService: AccountService,
   ) {
     super(
       organizationService,
@@ -31,6 +31,7 @@ export class VaultFilterService extends BaseVaultFilterService {
       collectionService,
       policyService,
       stateProvider,
+      accountService,
     );
     this.vaultFilter.myVaultOnly = false;
     this.vaultFilter.selectedOrganizationId = null;
diff --git a/libs/angular/src/admin-console/components/collections.component.ts b/libs/angular/src/admin-console/components/collections.component.ts
index 304ff4411c..bc3c1fad46 100644
--- a/libs/angular/src/admin-console/components/collections.component.ts
+++ b/libs/angular/src/admin-console/components/collections.component.ts
@@ -1,10 +1,11 @@
 import { Directive, EventEmitter, Input, OnInit, Output } from "@angular/core";
-import { firstValueFrom, map } from "rxjs";
+import { firstValueFrom } from "rxjs";
 
 import { CollectionService, CollectionView } from "@bitwarden/admin-console/common";
 import { OrganizationService } from "@bitwarden/common/admin-console/abstractions/organization/organization.service.abstraction";
 import { Organization } from "@bitwarden/common/admin-console/models/domain/organization";
 import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
 import { LogService } from "@bitwarden/common/platform/abstractions/log.service";
 import { PlatformUtilsService } from "@bitwarden/common/platform/abstractions/platform-utils.service";
@@ -25,6 +26,8 @@ export class CollectionsComponent implements OnInit {
   collections: CollectionView[] = [];
   organization: Organization;
 
+  protected activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+
   protected cipherDomain: Cipher;
 
   constructor(
@@ -45,9 +48,7 @@ export class CollectionsComponent implements OnInit {
   async load() {
     this.cipherDomain = await this.loadCipher();
     this.collectionIds = this.loadCipherCollections();
-    const activeUserId = await firstValueFrom(
-      this.accountService.activeAccount$.pipe(map((a) => a?.id)),
-    );
+    const activeUserId = await firstValueFrom(this.activeUserId$);
     this.cipher = await this.cipherDomain.decrypt(
       await this.cipherService.getKeyForCipherKeyDecryption(this.cipherDomain, activeUserId),
     );
@@ -113,7 +114,9 @@ export class CollectionsComponent implements OnInit {
   }
 
   protected async loadCollections() {
-    const allCollections = await this.collectionService.getAllDecrypted();
+    const allCollections = await firstValueFrom(
+      this.collectionService.decryptedCollections$(this.activeUserId$),
+    );
     return allCollections.filter(
       (c) => !c.readOnly && c.organizationId === this.cipher.organizationId,
     );
diff --git a/libs/angular/src/components/share.component.ts b/libs/angular/src/components/share.component.ts
index 7f11210f9a..480e0cc291 100644
--- a/libs/angular/src/components/share.component.ts
+++ b/libs/angular/src/components/share.component.ts
@@ -6,6 +6,7 @@ import { OrganizationService } from "@bitwarden/common/admin-console/abstraction
 import { OrganizationUserStatusType } from "@bitwarden/common/admin-console/enums";
 import { Organization } from "@bitwarden/common/admin-console/models/domain/organization";
 import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
 import { LogService } from "@bitwarden/common/platform/abstractions/log.service";
 import { PlatformUtilsService } from "@bitwarden/common/platform/abstractions/platform-utils.service";
@@ -26,6 +27,7 @@ export class ShareComponent implements OnInit, OnDestroy {
   organizations$: Observable<Organization[]>;
 
   protected writeableCollections: Checkable<CollectionView>[] = [];
+  protected activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
 
   private _destroy = new Subject<void>();
 
@@ -49,7 +51,9 @@ export class ShareComponent implements OnInit, OnDestroy {
   }
 
   async load() {
-    const allCollections = await this.collectionService.getAllDecrypted();
+    const allCollections = await firstValueFrom(
+      this.collectionService.decryptedCollections$(this.activeUserId$),
+    );
     this.writeableCollections = allCollections.map((c) => c).filter((c) => !c.readOnly);
 
     this.organizations$ = this.organizationService.memberOrganizations$.pipe(
diff --git a/libs/angular/src/vault/components/add-edit.component.ts b/libs/angular/src/vault/components/add-edit.component.ts
index 44eaec03a6..1c612e7b05 100644
--- a/libs/angular/src/vault/components/add-edit.component.ts
+++ b/libs/angular/src/vault/components/add-edit.component.ts
@@ -39,6 +39,7 @@ import { SecureNoteView } from "@bitwarden/common/vault/models/view/secure-note.
 import { CipherAuthorizationService } from "@bitwarden/common/vault/services/cipher-authorization.service";
 import { DialogService } from "@bitwarden/components";
 import { PasswordRepromptService } from "@bitwarden/vault";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 
 @Directive()
 export class AddEditComponent implements OnInit, OnDestroy {
@@ -98,6 +99,8 @@ export class AddEditComponent implements OnInit, OnDestroy {
   private personalOwnershipPolicyAppliesToActiveUser: boolean;
   private previousCipherId: string;
 
+  protected activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+
   get fido2CredentialCreationDateValue(): string {
     const dateCreated = this.i18nService.t("dateCreated");
     const creationDate = this.datePipe.transform(
@@ -253,9 +256,7 @@ export class AddEditComponent implements OnInit, OnDestroy {
     if (this.cipher == null) {
       if (this.editMode) {
         const cipher = await this.loadCipher();
-        const activeUserId = await firstValueFrom(
-          this.accountService.activeAccount$.pipe(map((a) => a?.id)),
-        );
+        const activeUserId = await firstValueFrom(this.activeUserId$);
         this.cipher = await cipher.decrypt(
           await this.cipherService.getKeyForCipherKeyDecryption(cipher, activeUserId),
         );
@@ -391,9 +392,7 @@ export class AddEditComponent implements OnInit, OnDestroy {
       this.cipher.id = null;
     }
 
-    const activeUserId = await firstValueFrom(
-      this.accountService.activeAccount$.pipe(map((a) => a?.id)),
-    );
+    const activeUserId = await firstValueFrom(this.activeUserId$);
     const cipher = await this.encryptCipher(activeUserId);
     try {
       this.formPromise = this.saveCipher(cipher);
@@ -672,7 +671,9 @@ export class AddEditComponent implements OnInit, OnDestroy {
   }
 
   protected async loadCollections() {
-    const allCollections = await this.collectionService.getAllDecrypted();
+    const allCollections = await firstValueFrom(
+      this.collectionService.decryptedCollections$(this.activeUserId$),
+    );
     return allCollections.filter((c) => !c.readOnly);
   }
 
diff --git a/libs/angular/src/vault/vault-filter/services/vault-filter.service.ts b/libs/angular/src/vault/vault-filter/services/vault-filter.service.ts
index 34310610ca..98e861e5f5 100644
--- a/libs/angular/src/vault/vault-filter/services/vault-filter.service.ts
+++ b/libs/angular/src/vault/vault-filter/services/vault-filter.service.ts
@@ -9,6 +9,8 @@ import {
 import { PolicyService } from "@bitwarden/common/admin-console/abstractions/policy/policy.service.abstraction";
 import { PolicyType } from "@bitwarden/common/admin-console/enums";
 import { Organization } from "@bitwarden/common/admin-console/models/domain/organization";
+import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 import { ActiveUserState, StateProvider } from "@bitwarden/common/platform/state";
 import { CipherService } from "@bitwarden/common/vault/abstractions/cipher.service";
 import { FolderService } from "@bitwarden/common/vault/abstractions/folder/folder.service.abstraction";
@@ -30,6 +32,8 @@ export class VaultFilterService implements DeprecatedVaultFilterServiceAbstracti
   private readonly collapsedGroupings$: Observable<Set<string>> =
     this.collapsedGroupingsState.state$.pipe(map((c) => new Set(c)));
 
+  protected activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+
   constructor(
     protected organizationService: OrganizationService,
     protected folderService: FolderService,
@@ -37,6 +41,7 @@ export class VaultFilterService implements DeprecatedVaultFilterServiceAbstracti
     protected collectionService: CollectionService,
     protected policyService: PolicyService,
     protected stateProvider: StateProvider,
+    protected accountService: AccountService,
   ) {}
 
   async storeCollapsedFilterNodes(collapsedFilterNodes: Set<string>): Promise<void> {
@@ -85,14 +90,16 @@ export class VaultFilterService implements DeprecatedVaultFilterServiceAbstracti
   }
 
   async buildCollections(organizationId?: string): Promise<DynamicTreeNode<CollectionView>> {
-    const storedCollections = await this.collectionService.getAllDecrypted();
+    const storedCollections = await firstValueFrom(
+      this.collectionService.decryptedCollections$(this.activeUserId$),
+    );
     let collections: CollectionView[];
     if (organizationId != null) {
       collections = storedCollections.filter((c) => c.organizationId === organizationId);
     } else {
       collections = storedCollections;
     }
-    const nestedCollections = await this.collectionService.getAllNested(collections);
+    const nestedCollections = this.collectionService.getAllNested(collections);
     return new DynamicTreeNode<CollectionView>({
       fullList: collections,
       nestedList: nestedCollections,
diff --git a/libs/common/src/auth/services/account.service.ts b/libs/common/src/auth/services/account.service.ts
index dceec2cbf1..04a0c62dd9 100644
--- a/libs/common/src/auth/services/account.service.ts
+++ b/libs/common/src/auth/services/account.service.ts
@@ -45,6 +45,24 @@ const LOGGED_OUT_INFO: AccountInfo = {
   name: undefined,
 };
 
+/**
+ * An rxjs map operator that extracts the UserId from an account, or throws if the account or UserId are null.
+ */
+export const getUserId = map<{ id: UserId | undefined }, UserId>((account) => {
+  if (account?.id == null) {
+    throw new Error("Null account or account ID");
+  }
+
+  return account.id;
+});
+
+/**
+ * An rxjs map operator that extracts the UserId from an account, or returns undefined if the account or UserId are null.
+ */
+export const getOptionalUserId = map<{ id: UserId | undefined }, UserId | undefined>(
+  (account) => account?.id ?? undefined,
+);
+
 export class AccountServiceImplementation implements InternalAccountService {
   private accountsState: GlobalState<Record<UserId, AccountInfo>>;
   private activeAccountIdState: GlobalState<UserId | undefined>;
diff --git a/libs/common/src/platform/sync/core-sync.service.ts b/libs/common/src/platform/sync/core-sync.service.ts
index 13f1525afd..7703556e39 100644
--- a/libs/common/src/platform/sync/core-sync.service.ts
+++ b/libs/common/src/platform/sync/core-sync.service.ts
@@ -6,6 +6,7 @@ import { ApiService } from "../../abstractions/api.service";
 import { AccountService } from "../../auth/abstractions/account.service";
 import { AuthService } from "../../auth/abstractions/auth.service";
 import { AuthenticationStatus } from "../../auth/enums/authentication-status";
+import { getUserId } from "../../auth/services/account.service";
 import {
   SyncCipherNotification,
   SyncFolderNotification,
@@ -149,7 +150,10 @@ export abstract class CoreSyncService implements SyncService {
           notification.collectionIds != null &&
           notification.collectionIds.length > 0
         ) {
-          const collections = await this.collectionService.getAll();
+          const activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+          const collections = await firstValueFrom(
+            this.collectionService.encryptedCollections$(activeUserId$),
+          );
           if (collections != null) {
             for (let i = 0; i < collections.length; i++) {
               if (notification.collectionIds.indexOf(collections[i].id) > -1) {
diff --git a/libs/common/src/services/vault-timeout/vault-timeout.service.ts b/libs/common/src/services/vault-timeout/vault-timeout.service.ts
index 07c3cd56f1..4ff46d475d 100644
--- a/libs/common/src/services/vault-timeout/vault-timeout.service.ts
+++ b/libs/common/src/services/vault-timeout/vault-timeout.service.ts
@@ -134,9 +134,13 @@ export class VaultTimeoutService implements VaultTimeoutServiceAbstraction {
     if (userId == null || userId === currentUserId) {
       await this.searchService.clearIndex();
       await this.folderService.clearCache();
-      await this.collectionService.clearActiveUserCache();
     }
 
+    // TODO: is the userId ever null here? Surely a null userId cannot be authenticated?
+    // Also MasterPasswordService throws an exception if the userId is null and hasn't caused any issues
+    // TODO: why do these other services clear lockingUserId and not userId?
+    await this.collectionService.clearDecryptedState(userId);
+
     await this.masterPasswordService.clearMasterKey(lockingUserId);
 
     await this.stateService.setUserKeyAutoUnlock(null, { userId: lockingUserId });
diff --git a/libs/importer/src/components/import.component.ts b/libs/importer/src/components/import.component.ts
index 1ffe2728b0..74c61a89da 100644
--- a/libs/importer/src/components/import.component.ts
+++ b/libs/importer/src/components/import.component.ts
@@ -72,6 +72,7 @@ import {
   ImportSuccessDialogComponent,
 } from "./dialog";
 import { ImportLastPassComponent } from "./lastpass";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 
 const safeProviders: SafeProvider[] = [
   safeProvider({
@@ -129,6 +130,8 @@ export class ImportComponent implements OnInit, OnDestroy, AfterViewInit {
   collections$: Observable<CollectionView[]>;
   organizations$: Observable<Organization[]>;
 
+  protected activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+
   private _organizationId: string;
 
   get organizationId(): string {
@@ -205,6 +208,7 @@ export class ImportComponent implements OnInit, OnDestroy, AfterViewInit {
     @Optional()
     protected importCollectionService: ImportCollectionServiceAbstraction,
     protected toastService: ToastService,
+    protected accountService: AccountService,
   ) {}
 
   protected get importBlockedByPolicy(): boolean {
@@ -272,15 +276,15 @@ export class ImportComponent implements OnInit, OnDestroy, AfterViewInit {
         }
 
         if (value) {
-          this.collections$ = Utils.asyncToObservable(() =>
-            this.collectionService
-              .getAllDecrypted()
-              .then((decryptedCollections) =>
+          this.collections$ = this.collectionService
+            .decryptedCollections$(this.activeUserId$)
+            .pipe(
+              map((decryptedCollections) =>
                 decryptedCollections
                   .filter((c2) => c2.organizationId === value && c2.manage)
                   .sort(Utils.getSortFunction(this.i18nService, "name")),
               ),
-          );
+            );
         }
       });
     this.formGroup.controls.vaultSelector.setValue("myVault");
diff --git a/libs/tools/export/vault-export/vault-export-core/src/services/org-vault-export.service.ts b/libs/tools/export/vault-export/vault-export-core/src/services/org-vault-export.service.ts
index 4e23a0ed25..6ed1be224c 100644
--- a/libs/tools/export/vault-export/vault-export-core/src/services/org-vault-export.service.ts
+++ b/libs/tools/export/vault-export/vault-export-core/src/services/org-vault-export.service.ts
@@ -33,11 +33,14 @@ import {
 import { BaseVaultExportService } from "./base-vault-export.service";
 import { OrganizationVaultExportServiceAbstraction } from "./org-vault-export.service.abstraction";
 import { ExportFormat } from "./vault-export.service.abstraction";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 
 export class OrganizationVaultExportService
   extends BaseVaultExportService
   implements OrganizationVaultExportServiceAbstraction
 {
+  protected activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+
   constructor(
     private cipherService: CipherService,
     private apiService: ApiService,
@@ -185,9 +188,13 @@ export class OrganizationVaultExportService
     const promises = [];
 
     promises.push(
-      this.collectionService.getAllDecrypted().then(async (collections) => {
-        decCollections = collections.filter((c) => c.organizationId == organizationId && c.manage);
-      }),
+      firstValueFrom(this.collectionService.decryptedCollections$(this.activeUserId$)).then(
+        (collections) => {
+          decCollections = collections.filter(
+            (c) => c.organizationId == organizationId && c.manage,
+          );
+        },
+      ),
     );
 
     promises.push(
@@ -217,9 +224,13 @@ export class OrganizationVaultExportService
     const promises = [];
 
     promises.push(
-      this.collectionService.getAll().then((collections) => {
-        encCollections = collections.filter((c) => c.organizationId == organizationId && c.manage);
-      }),
+      firstValueFrom(this.collectionService.encryptedCollections$(this.activeUserId$)).then(
+        (collections) => {
+          encCollections = collections.filter(
+            (c) => c.organizationId == organizationId && c.manage,
+          );
+        },
+      ),
     );
 
     promises.push(
diff --git a/libs/tools/export/vault-export/vault-export-ui/src/components/export.component.ts b/libs/tools/export/vault-export/vault-export-ui/src/components/export.component.ts
index 0c36280442..cc78890dff 100644
--- a/libs/tools/export/vault-export/vault-export-ui/src/components/export.component.ts
+++ b/libs/tools/export/vault-export/vault-export-ui/src/components/export.component.ts
@@ -21,6 +21,8 @@ import { OrganizationService } from "@bitwarden/common/admin-console/abstraction
 import { PolicyService } from "@bitwarden/common/admin-console/abstractions/policy/policy.service.abstraction";
 import { PolicyType } from "@bitwarden/common/admin-console/enums";
 import { Organization } from "@bitwarden/common/admin-console/models/domain/organization";
+import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 import { EventType } from "@bitwarden/common/enums";
 import { FileDownloadService } from "@bitwarden/common/platform/abstractions/file-download/file-download.service";
 import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
@@ -150,6 +152,8 @@ export class ExportComponent implements OnInit, OnDestroy, AfterViewInit {
     { name: ".json (Encrypted)", value: "encrypted_json" },
   ];
 
+  protected activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+
   private destroy$ = new Subject<void>();
   private onlyManagedCollections = true;
 
@@ -167,6 +171,7 @@ export class ExportComponent implements OnInit, OnDestroy, AfterViewInit {
     protected dialogService: DialogService,
     protected organizationService: OrganizationService,
     private collectionService: CollectionService,
+    protected accountService: AccountService,
   ) {}
 
   async ngOnInit() {
@@ -204,7 +209,7 @@ export class ExportComponent implements OnInit, OnDestroy, AfterViewInit {
     }
 
     this.organizations$ = combineLatest({
-      collections: this.collectionService.decryptedCollections$,
+      collections: this.collectionService.decryptedCollections$(this.activeUserId$),
       memberOrganizations: this.organizationService.memberOrganizations$,
     }).pipe(
       map(({ collections, memberOrganizations }) => {
diff --git a/libs/vault/src/cipher-form/services/default-cipher-form-config.service.ts b/libs/vault/src/cipher-form/services/default-cipher-form-config.service.ts
index 6b607e3048..fb71257ea2 100644
--- a/libs/vault/src/cipher-form/services/default-cipher-form-config.service.ts
+++ b/libs/vault/src/cipher-form/services/default-cipher-form-config.service.ts
@@ -5,6 +5,8 @@ import { CollectionService } from "@bitwarden/admin-console/common";
 import { OrganizationService } from "@bitwarden/common/admin-console/abstractions/organization/organization.service.abstraction";
 import { PolicyService } from "@bitwarden/common/admin-console/abstractions/policy/policy.service.abstraction";
 import { OrganizationUserStatusType, PolicyType } from "@bitwarden/common/admin-console/enums";
+import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 import { CipherId } from "@bitwarden/common/types/guid";
 import { CipherService } from "@bitwarden/common/vault/abstractions/cipher.service";
 import { FolderService } from "@bitwarden/common/vault/abstractions/folder/folder.service.abstraction";
@@ -29,6 +31,9 @@ export class DefaultCipherFormConfigService implements CipherFormConfigService {
   private cipherService: CipherService = inject(CipherService);
   private folderService: FolderService = inject(FolderService);
   private collectionService: CollectionService = inject(CollectionService);
+  private accountService = inject(AccountService);
+
+  protected activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
 
   async buildConfig(
     mode: CipherFormMode,
@@ -39,9 +44,9 @@ export class DefaultCipherFormConfigService implements CipherFormConfigService {
       await firstValueFrom(
         combineLatest([
           this.organizations$,
-          this.collectionService.encryptedCollections$.pipe(
+          this.collectionService.encryptedCollections$(this.activeUserId$).pipe(
             switchMap((c) =>
-              this.collectionService.decryptedCollections$.pipe(
+              this.collectionService.decryptedCollections$(this.activeUserId$).pipe(
                 filter((d) => d.length === c.length), // Ensure all collections have been decrypted
               ),
             ),
diff --git a/libs/vault/src/cipher-view/cipher-view.component.ts b/libs/vault/src/cipher-view/cipher-view.component.ts
index 324b2358a8..08e8571000 100644
--- a/libs/vault/src/cipher-view/cipher-view.component.ts
+++ b/libs/vault/src/cipher-view/cipher-view.component.ts
@@ -1,13 +1,14 @@
 import { CommonModule } from "@angular/common";
 import { Component, Input, OnChanges, OnDestroy } from "@angular/core";
-import { firstValueFrom, Observable, Subject, takeUntil } from "rxjs";
+import { firstValueFrom, map, Observable, Subject, takeUntil } from "rxjs";
 
 import { CollectionService, CollectionView } from "@bitwarden/admin-console/common";
 import { JslibModule } from "@bitwarden/angular/jslib.module";
 import { OrganizationService } from "@bitwarden/common/admin-console/abstractions/organization/organization.service.abstraction";
 import { Organization } from "@bitwarden/common/admin-console/models/domain/organization";
+import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 import { isCardExpired } from "@bitwarden/common/autofill/utils";
-import { CollectionId } from "@bitwarden/common/types/guid";
 import { FolderService } from "@bitwarden/common/vault/abstractions/folder/folder.service.abstraction";
 import { CipherView } from "@bitwarden/common/vault/models/view/cipher.view";
 import { FolderView } from "@bitwarden/common/vault/models/view/folder.view";
@@ -56,10 +57,13 @@ export class CipherViewComponent implements OnChanges, OnDestroy {
   private destroyed$: Subject<void> = new Subject();
   cardIsExpired: boolean = false;
 
+  private activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
+
   constructor(
     private organizationService: OrganizationService,
     private collectionService: CollectionService,
     private folderService: FolderService,
+    private accountService: AccountService,
   ) {}
 
   async ngOnChanges() {
@@ -98,9 +102,13 @@ export class CipherViewComponent implements OnChanges, OnDestroy {
       (!this.collections || this.collections.length === 0)
     ) {
       this.collections = await firstValueFrom(
-        this.collectionService.decryptedCollectionViews$(
-          this.cipher.collectionIds as CollectionId[],
-        ),
+        this.collectionService
+          .decryptedCollections$(this.activeUserId$)
+          .pipe(
+            map((allCollections) =>
+              allCollections.filter((c) => this.cipher.collectionIds.includes(c.id)),
+            ),
+          ),
       );
     }
 
diff --git a/libs/vault/src/components/assign-collections.component.ts b/libs/vault/src/components/assign-collections.component.ts
index fed1dde28e..25b76f90c6 100644
--- a/libs/vault/src/components/assign-collections.component.ts
+++ b/libs/vault/src/components/assign-collections.component.ts
@@ -28,8 +28,9 @@ import { OrganizationService } from "@bitwarden/common/admin-console/abstraction
 import { OrganizationUserStatusType } from "@bitwarden/common/admin-console/enums";
 import { Organization } from "@bitwarden/common/admin-console/models/domain/organization";
 import { AccountService } from "@bitwarden/common/auth/abstractions/account.service";
+import { getUserId } from "@bitwarden/common/auth/services/account.service";
 import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
-import { CipherId, CollectionId, OrganizationId, UserId } from "@bitwarden/common/types/guid";
+import { CipherId, CollectionId, OrganizationId } from "@bitwarden/common/types/guid";
 import { CipherService } from "@bitwarden/common/vault/abstractions/cipher.service";
 import { CipherView } from "@bitwarden/common/vault/models/view/cipher.view";
 import {
@@ -170,7 +171,7 @@ export class AssignCollectionsComponent implements OnInit, OnDestroy, AfterViewI
   private get selectedOrgId(): OrganizationId {
     return this.formGroup.getRawValue().selectedOrg || this.params.organizationId;
   }
-  private activeUserId: UserId;
+  private activeUserId$ = this.accountService.activeAccount$.pipe(getUserId);
   private destroy$ = new Subject<void>();
 
   constructor(
@@ -184,10 +185,6 @@ export class AssignCollectionsComponent implements OnInit, OnDestroy, AfterViewI
   ) {}
 
   async ngOnInit() {
-    this.activeUserId = await firstValueFrom(
-      this.accountService.activeAccount$.pipe(map((a) => a?.id)),
-    );
-
     const onlyPersonalItems = this.params.ciphers.every((c) => c.organizationId == null);
 
     if (this.selectedOrgId === MY_VAULT_ID || onlyPersonalItems) {
@@ -405,7 +402,7 @@ export class AssignCollectionsComponent implements OnInit, OnDestroy, AfterViewI
    */
   private getCollectionsForOrganization(orgId: OrganizationId): Observable<CollectionView[]> {
     return combineLatest([
-      this.collectionService.decryptedCollections$,
+      this.collectionService.decryptedCollections$(this.activeUserId$),
       this.organizationService.organizations$,
     ]).pipe(
       map(([collections, organizations]) => {
@@ -429,7 +426,7 @@ export class AssignCollectionsComponent implements OnInit, OnDestroy, AfterViewI
       shareableCiphers,
       organizationId,
       selectedCollectionIds,
-      this.activeUserId,
+      await firstValueFrom(this.activeUserId$),
     );
 
     this.toastService.showToast({
@@ -470,7 +467,10 @@ export class AssignCollectionsComponent implements OnInit, OnDestroy, AfterViewI
   private async updateAssignedCollections(cipherView: CipherView) {
     const { collections } = this.formGroup.getRawValue();
     cipherView.collectionIds = collections.map((i) => i.id as CollectionId);
-    const cipher = await this.cipherService.encrypt(cipherView, this.activeUserId);
+    const cipher = await this.cipherService.encrypt(
+      cipherView,
+      await firstValueFrom(this.activeUserId$),
+    );
     if (this.params.isSingleCipherAdmin) {
       await this.cipherService.saveCollectionsWithServerAdmin(cipher);
     } else {