diff --git a/packages/error-reporting-service/CHANGELOG.md b/packages/error-reporting-service/CHANGELOG.md
index 3aa9c0609b3..0335853c167 100644
--- a/packages/error-reporting-service/CHANGELOG.md
+++ b/packages/error-reporting-service/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Add deprecation notice ([#7427](https://github.com/MetaMask/core/pull/7427))
+  - This package is deprecated, and can be replaced with the
+    `Messenger.captureException` method from `@metamask/messenger`.
+
 ## [3.0.0]
 
 ### Changed
diff --git a/packages/error-reporting-service/README.md b/packages/error-reporting-service/README.md
index 4e21c415969..500326f9cff 100644
--- a/packages/error-reporting-service/README.md
+++ b/packages/error-reporting-service/README.md
@@ -1,5 +1,10 @@
 # `@metamask/error-reporting-service`
 
+> [!WARNING]
+> This package is deprecated. To report errors, please use
+> [`Messenger.captureException`](https://github.com/MetaMask/core/blob/8b3ad82c35d9d75c9a5096d847e7e8651e29cc5e/packages/messenger/src/Messenger.ts#L258-L263)
+> instead.
+
 Reports errors to an external app such as Sentry but in an agnostic fashion.
 
 ## Installation
diff --git a/packages/error-reporting-service/src/error-reporting-service.ts b/packages/error-reporting-service/src/error-reporting-service.ts
index 675583f3719..14974cda908 100644
--- a/packages/error-reporting-service/src/error-reporting-service.ts
+++ b/packages/error-reporting-service/src/error-reporting-service.ts
@@ -2,6 +2,9 @@ import type { Messenger } from '@metamask/messenger';
 
 /**
  * The action which can be used to report an error.
+ *
+ * @deprecated This action is deprecated and will be removed in a future
+ * release. Please use `Messenger.captureException` directly instead.
  */
 export type ErrorReportingServiceCaptureExceptionAction = {
   type: 'ErrorReportingService:captureException';
@@ -142,6 +145,9 @@ type ErrorReportingServiceOptions = {
  * // Now this will report an error without throwing it.
  * exampleController.doSomething();
  * ```
+ *
+ * @deprecated This service is deprecated and will be removed in a future
+ * release. Please use `Messenger.captureException` directly instead.
  */
 export class ErrorReportingService {
   name: 'ErrorReportingService' = 'ErrorReportingService' as const;
@@ -175,6 +181,8 @@ export class ErrorReportingService {
    * Reports the given error to an external location.
    *
    * @param error - The error to report.
+   * @deprecated This function is deprecated and will be removed in a future
+   * release. Please use `Messenger.captureException` directly instead.
    */
   captureException(error: Error): void {
     this.#captureException(error);