diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa9efefae..f05e8b4f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Added
+
+- Introduced a new button to delete all activities from the portfolio activities page
+
 ## 1.260.0 - 2023-04-23
 
 ### Added
diff --git a/apps/api/src/app/order/order.controller.ts b/apps/api/src/app/order/order.controller.ts
index 90f8c10b1..0f1e382d6 100644
--- a/apps/api/src/app/order/order.controller.ts
+++ b/apps/api/src/app/order/order.controller.ts
@@ -41,6 +41,23 @@ export class OrderController {
     @Inject(REQUEST) private readonly request: RequestWithUser
   ) {}
 
+  @Delete()
+  @UseGuards(AuthGuard('jwt'))
+  public async deleteOrders(): Promise<number> {
+    if (
+      !hasPermission(this.request.user.permissions, permissions.deleteOrder)
+    ) {
+      throw new HttpException(
+        getReasonPhrase(StatusCodes.FORBIDDEN),
+        StatusCodes.FORBIDDEN
+      );
+    }
+
+    return this.orderService.deleteOrders({
+      userId: this.request.user.id
+    });
+  }
+
   @Delete(':id')
   @UseGuards(AuthGuard('jwt'))
   public async deleteOrder(@Param('id') id: string): Promise<OrderModel> {
diff --git a/apps/api/src/app/order/order.service.ts b/apps/api/src/app/order/order.service.ts
index 2403bf495..9bc2c6a8e 100644
--- a/apps/api/src/app/order/order.service.ts
+++ b/apps/api/src/app/order/order.service.ts
@@ -181,6 +181,14 @@ export class OrderService {
     return order;
   }
 
+  public async deleteOrders(where: Prisma.OrderWhereInput): Promise<number> {
+    const { count } = await this.prismaService.order.deleteMany({
+      where
+    });
+
+    return count;
+  }
+
   public async getOrders({
     filters,
     includeDrafts = false,
diff --git a/apps/client/src/app/pages/portfolio/activities/activities-page.component.ts b/apps/client/src/app/pages/portfolio/activities/activities-page.component.ts
index 2e89b60c5..3e4d5ae66 100644
--- a/apps/client/src/app/pages/portfolio/activities/activities-page.component.ts
+++ b/apps/client/src/app/pages/portfolio/activities/activities-page.component.ts
@@ -138,6 +138,23 @@ export class ActivitiesPageComponent implements OnDestroy, OnInit {
       });
   }
 
+  public onDeleteAllActivities() {
+    const confirmation = confirm(
+      $localize`Do you really want to delete all your activities?`
+    );
+
+    if (confirmation) {
+      this.dataService
+        .deleteAllOrders()
+        .pipe(takeUntil(this.unsubscribeSubject))
+        .subscribe({
+          next: () => {
+            this.fetchActivities();
+          }
+        });
+    }
+  }
+
   public onExport(activityIds?: string[]) {
     this.dataService
       .fetchExport(activityIds)
diff --git a/apps/client/src/app/pages/portfolio/activities/activities-page.html b/apps/client/src/app/pages/portfolio/activities/activities-page.html
index b0705ccd6..dddc41b0b 100644
--- a/apps/client/src/app/pages/portfolio/activities/activities-page.html
+++ b/apps/client/src/app/pages/portfolio/activities/activities-page.html
@@ -13,6 +13,7 @@
         (activityDeleted)="onDeleteActivity($event)"
         (activityToClone)="onCloneActivity($event)"
         (activityToUpdate)="onUpdateActivity($event)"
+        (deleteAllActivities)="onDeleteAllActivities()"
         (export)="onExport($event)"
         (exportDrafts)="onExportDrafts($event)"
         (import)="onImport()"
diff --git a/apps/client/src/app/services/data.service.ts b/apps/client/src/app/services/data.service.ts
index 845f1e0f2..bff672717 100644
--- a/apps/client/src/app/services/data.service.ts
+++ b/apps/client/src/app/services/data.service.ts
@@ -146,6 +146,10 @@ export class DataService {
     return this.http.delete<any>(`/api/v1/account/${aId}`);
   }
 
+  public deleteAllOrders() {
+    return this.http.delete<any>(`/api/v1/order/`);
+  }
+
   public deleteOrder(aId: string) {
     return this.http.delete<any>(`/api/v1/order/${aId}`);
   }
diff --git a/libs/ui/src/lib/activities-table/activities-table.component.html b/libs/ui/src/lib/activities-table/activities-table.component.html
index 8f7b682a3..4ac853436 100644
--- a/libs/ui/src/lib/activities-table/activities-table.component.html
+++ b/libs/ui/src/lib/activities-table/activities-table.component.html
@@ -53,6 +53,14 @@
       <ion-icon class="mr-2" name="calendar-clear-outline"></ion-icon>
       <span i18n>Export Drafts as ICS</span>
     </button>
+    <button
+      class="align-items-center d-flex"
+      mat-menu-item
+      (click)="onDeleteAllActivities()"
+    >
+      <ion-icon class="mr-2" name="trash-outline"></ion-icon>
+      <span i18n>Delete all Activities</span>
+    </button>
   </mat-menu>
 </div>
 
diff --git a/libs/ui/src/lib/activities-table/activities-table.component.ts b/libs/ui/src/lib/activities-table/activities-table.component.ts
index 3d8273ca5..1c3fb0367 100644
--- a/libs/ui/src/lib/activities-table/activities-table.component.ts
+++ b/libs/ui/src/lib/activities-table/activities-table.component.ts
@@ -49,6 +49,7 @@ export class ActivitiesTableComponent implements OnChanges, OnDestroy, OnInit {
   @Output() activityDeleted = new EventEmitter<string>();
   @Output() activityToClone = new EventEmitter<OrderWithAccount>();
   @Output() activityToUpdate = new EventEmitter<OrderWithAccount>();
+  @Output() deleteAllActivities = new EventEmitter<void>();
   @Output() export = new EventEmitter<string[]>();
   @Output() exportDrafts = new EventEmitter<string[]>();
   @Output() import = new EventEmitter<void>();
@@ -231,6 +232,10 @@ export class ActivitiesTableComponent implements OnChanges, OnDestroy, OnInit {
     );
   }
 
+  public onDeleteAllActivities() {
+    this.deleteAllActivities.emit();
+  }
+
   public onImport() {
     this.import.emit();
   }