diff --git a/modules/ceeIdSystem.js b/modules/ceeIdSystem.js
new file mode 100644
index 000000000000..9c8f1409fd3b
--- /dev/null
+++ b/modules/ceeIdSystem.js
@@ -0,0 +1,62 @@
+/**
+ * This module adds ceeId to the User ID module
+ * The {@link module:modules/userId} module is required
+ * @module modules/ceeId
+ * @requires module:modules/userId
+ */
+
+import { MODULE_TYPE_UID } from '../src/activities/modules.js';
+import { getStorageManager } from '../src/storageManager.js';
+import { submodule } from '../src/hook.js';
+import {domainOverrideToRootDomain} from '../libraries/domainOverrideToRootDomain/index.js';
+
+/**
+ * @typedef {import('../modules/userId/index.js').Submodule} Submodule
+ * @typedef {import('../modules/userId/index.js').IdResponse} IdResponse
+ */
+
+const MODULE_NAME = 'ceeId';
+const ID_TOKEN = 'WPxid';
+export const storage = getStorageManager({ moduleName: MODULE_NAME, moduleType: MODULE_TYPE_UID });
+
+/**
+ * Reads the ID token from local storage or cookies.
+ * @returns {string|undefined} The ID token, or undefined if not found.
+ */
+export const readId = () => storage.getDataFromLocalStorage(ID_TOKEN) || storage.getCookie(ID_TOKEN);
+
+/** @type {Submodule} */
+export const ceeIdSubmodule = {
+  name: MODULE_NAME,
+  gvlid: 676,
+
+  /**
+   * decode the stored id value for passing to bid requests
+   * @function decode
+   * @param {string} value
+   * @returns {(Object|undefined)}
+   */
+  decode(value) {
+    return typeof value === 'string' ? { 'ceeId': value } : undefined;
+  },
+
+  /**
+   * performs action to obtain id and return a value
+   * @function
+   * @returns {(IdResponse|undefined)}
+  */
+  getId() {
+    const ceeIdToken = readId();
+
+    return ceeIdToken ? { id: ceeIdToken } : undefined;
+  },
+  domainOverride: domainOverrideToRootDomain(storage, MODULE_NAME),
+  eids: {
+    'ceeId': {
+      source: 'ceeid.eu',
+      atype: 1
+    },
+  },
+};
+
+submodule('userId', ceeIdSubmodule);
diff --git a/modules/ceeIdSystem.md b/modules/ceeIdSystem.md
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index 000000000000..811efe080694
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+++ b/modules/ceeIdSystem.md
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+# Overview
+
+Module Name: ceeIdSystem
+Module Type: UserID Module
+Maintainer: pawel.grudzien@grupawp.pl
+
+# Description
+
+User identification system for WPM
+
+### Prebid Params example
+
+```
+pbjs.setConfig({
+    userSync: {
+        userIds: [{
+            name: 'ceeId',
+            storage: {
+                type: 'cookie',
+                name: 'ceeIdToken',
+                expires: 7,
+                refreshInSeconds: 360
+            }
+        }]
+    }
+});
+```
diff --git a/test/spec/modules/ceeIdSystem_spec.js b/test/spec/modules/ceeIdSystem_spec.js
new file mode 100644
index 000000000000..049e596ad151
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+++ b/test/spec/modules/ceeIdSystem_spec.js
@@ -0,0 +1,77 @@
+import { ceeIdSubmodule, storage, readId } from 'modules/ceeIdSystem.js';
+import sinon from 'sinon';
+
+describe('ceeIdSystem', () => {
+  let sandbox;
+  let getCookieStub;
+  let getDataFromLocalStorageStub;
+
+  beforeEach(() => {
+    sandbox = sinon.createSandbox();
+    getCookieStub = sandbox.stub(storage, 'getCookie');
+    getDataFromLocalStorageStub = sandbox.stub(storage, 'getDataFromLocalStorage');
+  });
+
+  afterEach(() => {
+    sandbox.restore();
+  });
+
+  describe('getId', () => {
+    it('should return an object with id when ceeIdToken is found', () => {
+      getDataFromLocalStorageStub.returns('testToken');
+      getCookieStub.returns('testToken');
+
+      const result = ceeIdSubmodule.getId();
+
+      expect(result).to.deep.equal({ id: 'testToken' });
+    });
+
+    it('should return undefined when ceeIdToken is not found', () => {
+      const result = ceeIdSubmodule.getId();
+
+      expect(result).to.be.undefined;
+    });
+  });
+
+  describe('decode', () => {
+    it('should return an object with ceeId when value is a string', () => {
+      const result = ceeIdSubmodule.decode('testId');
+
+      expect(result).to.deep.equal({ ceeId: 'testId' });
+    });
+
+    it('should return undefined when value is not a string', () => {
+      const result = ceeIdSubmodule.decode({});
+
+      expect(result).to.be.undefined;
+    });
+  });
+
+  describe('readId', () => {
+    it('should return data from local storage when it exists', () => {
+      getDataFromLocalStorageStub.returns('local_storage_data');
+
+      const result = readId();
+
+      expect(result).to.equal('local_storage_data');
+    });
+
+    it('should return data from cookie when local storage data does not exist', () => {
+      getDataFromLocalStorageStub.returns(null);
+      getCookieStub.returns('cookie_data');
+
+      const result = readId();
+
+      expect(result).to.equal('cookie_data');
+    });
+
+    it('should return null when neither local storage data nor cookie data exists', () => {
+      getDataFromLocalStorageStub.returns(null);
+      getCookieStub.returns(null);
+
+      const result = readId();
+
+      expect(result).to.be.null;
+    });
+  });
+});