diff --git a/src/abstractions/event.service.ts b/src/abstractions/event.service.ts
new file mode 100644
index 0000000000..d677722512
--- /dev/null
+++ b/src/abstractions/event.service.ts
@@ -0,0 +1,6 @@
+import { EventType } from '../enums/eventType';
+
+export abstract class EventService {
+    collect: (eventType: EventType, cipherId?: string, uploadImmediately?: boolean) => Promise<any>;
+    uploadEvents: () => Promise<any>;
+}
diff --git a/src/models/data/eventData.ts b/src/models/data/eventData.ts
new file mode 100644
index 0000000000..232fb8235c
--- /dev/null
+++ b/src/models/data/eventData.ts
@@ -0,0 +1,6 @@
+import { EventType } from '../../enums/eventType';
+
+export class EventData {
+    type: EventType;
+    cipherId: string;
+}
diff --git a/src/services/constants.service.ts b/src/services/constants.service.ts
index 4ec0fc0e08..648c85ff54 100644
--- a/src/services/constants.service.ts
+++ b/src/services/constants.service.ts
@@ -21,6 +21,7 @@ export class ConstantsService {
     static readonly pinProtectedKey: string = 'pinProtectedKey';
     static readonly protectedPin: string = 'protectedPin';
     static readonly clearClipboardKey: string = 'clearClipboardKey';
+    static readonly eventCollectionKey: string = 'eventCollection';
 
     readonly environmentUrlsKey: string = ConstantsService.environmentUrlsKey;
     readonly disableGaKey: string = ConstantsService.disableGaKey;
@@ -43,4 +44,5 @@ export class ConstantsService {
     readonly pinProtectedKey: string = ConstantsService.pinProtectedKey;
     readonly protectedPin: string = ConstantsService.protectedPin;
     readonly clearClipboardKey: string = ConstantsService.clearClipboardKey;
+    readonly eventCollectionKey: string = ConstantsService.eventCollectionKey;
 }
diff --git a/src/services/eventService.ts b/src/services/eventService.ts
new file mode 100644
index 0000000000..86ce3f94db
--- /dev/null
+++ b/src/services/eventService.ts
@@ -0,0 +1,78 @@
+import { EventType } from '../enums/eventType';
+
+import { EventData } from '../models/data/eventData';
+
+import { EventRequest } from '../models/request/eventRequest';
+
+import { ApiService } from '../abstractions/api.service';
+import { CipherService } from '../abstractions/cipher.service';
+import { EventService as EventServiceAbstraction } from '../abstractions/event.service';
+import { StorageService } from '../abstractions/storage.service';
+import { UserService } from '../abstractions/user.service';
+
+import { ConstantsService } from './constants.service';
+
+export class EventService implements EventServiceAbstraction {
+    private inited = false;
+
+    constructor(private storageService: StorageService, private apiService: ApiService,
+        private userService: UserService, private cipherService: CipherService) { }
+
+    init(checkOnInterval: boolean) {
+        if (this.inited) {
+            return;
+        }
+
+        this.inited = true;
+        if (checkOnInterval) {
+            this.uploadEvents();
+            setInterval(() => this.uploadEvents(), 60 * 1000); // check every 60 seconds
+        }
+    }
+
+    async collect(eventType: EventType, cipherId: string = null, uploadImmediately = false): Promise<any> {
+        const organizations = await this.userService.getAllOrganizations();
+        if (organizations == null) {
+            return;
+        }
+        const orgIds = new Set<string>(organizations.filter((o) => o.useEvents).map((o) => o.id));
+        if (orgIds.size === 0) {
+            return;
+        }
+        if (cipherId != null) {
+            const cipher = await this.cipherService.get(cipherId);
+            if (cipher == null || cipher.organizationId == null || !orgIds.has(cipher.organizationId)) {
+                return;
+            }
+        }
+        let eventCollection = await this.storageService.get<EventData[]>(ConstantsService.eventCollectionKey);
+        if (eventCollection == null) {
+            eventCollection = [];
+        }
+        const event = new EventData();
+        event.type = eventType;
+        event.cipherId = cipherId;
+        eventCollection.push(event);
+        await this.storageService.save(ConstantsService.eventCollectionKey, eventCollection);
+        if (uploadImmediately) {
+            await this.uploadEvents();
+        }
+    }
+
+    async uploadEvents(): Promise<any> {
+        const eventCollection = await this.storageService.get<EventData[]>(ConstantsService.eventCollectionKey);
+        if (eventCollection == null || eventCollection.length === 0) {
+            return;
+        }
+        const request = eventCollection.map((e) => {
+            const req = new EventRequest();
+            req.type = e.type;
+            req.cipherId = e.cipherId;
+            return req;
+        });
+        try {
+            await this.apiService.postEventsCollectMany(request);
+            await this.storageService.remove(ConstantsService.eventCollectionKey);
+        } catch { }
+    }
+}