diff --git a/apps/reports/services/data_sources.py b/apps/reports/services/data_sources.py
index 3d07a30..2600cac 100644
--- a/apps/reports/services/data_sources.py
+++ b/apps/reports/services/data_sources.py
@@ -1,6 +1,6 @@
 import logging
 
-from utils.accounts_client import get_user_detailed_info
+from utils.accounts_client import get_user_detailed_info, list_users
 from utils.advertising_client import get_crm_application_tickets
 
 logger = logging.getLogger(__name__)
@@ -32,24 +32,33 @@ class ReportDataSources:
         return tickets
 
     def fetch_users(self, filters):
-        tickets = self.fetch_tickets(filters)
         users = []
-        seen = set()
+        limit = 100
+        offset = 0
 
-        for ticket in tickets:
-            user_id = str(ticket.user)
-            if user_id in seen:
-                continue
-            seen.add(user_id)
+        while True:
+            page = list_users(limit=limit, offset=offset)
+            results = page.get("results") or []
+            if not results:
+                break
 
-            try:
-                user = get_user_detailed_info(user_id)
-            except Exception:
-                logger.exception("Failed to fetch user %s", user_id)
-                continue
+            for entry in results:
+                user_id = entry.get("uuid")
+                if not user_id:
+                    continue
 
-            if user is not None:
-                users.append(user)
+                try:
+                    user = get_user_detailed_info(user_id)
+                except Exception:
+                    logger.exception("Failed to fetch user %s", user_id)
+                    continue
+
+                if user is not None:
+                    users.append(user)
+
+            if not page.get("next"):
+                break
+            offset += limit
 
         return users
 
diff --git a/apps/reports/tests.py b/apps/reports/tests.py
index 32a7045..b89be09 100644
--- a/apps/reports/tests.py
+++ b/apps/reports/tests.py
@@ -3,13 +3,54 @@ from io import BytesIO
 from unittest.mock import MagicMock, patch
 from uuid import uuid4
 
+from django.test import TestCase
 from openpyxl import load_workbook
 from rest_framework import status
 from rest_framework.test import APITestCase
 
+from apps.reports.services.data_sources import ReportDataSources
 from utils.clients.gooyal_advertising_client.models.ticket_state_enum import TicketStateEnum
 
 
+class ReportDataSourcesFetchUsersTests(TestCase):
+    @patch("apps.reports.services.data_sources.get_user_detailed_info")
+    @patch("apps.reports.services.data_sources.list_users")
+    def test_fetch_users_paginates_full_user_list(self, mock_list_users, mock_get_user):
+        first_uuid, second_uuid = str(uuid4()), str(uuid4())
+        mock_list_users.side_effect = [
+            {"results": [{"uuid": first_uuid}], "next": "http://accounts/users/api/users/?limit=1&offset=1"},
+            {"results": [{"uuid": second_uuid}], "next": None},
+        ]
+        mock_get_user.side_effect = lambda uuid: MagicMock(uuid=uuid)
+
+        users = ReportDataSources().fetch_users({})
+
+        self.assertEqual([user.uuid for user in users], [first_uuid, second_uuid])
+        mock_list_users.assert_any_call(limit=100, offset=0)
+        mock_list_users.assert_any_call(limit=100, offset=100)
+        mock_get_user.assert_any_call(first_uuid)
+        mock_get_user.assert_any_call(second_uuid)
+
+    @patch("apps.reports.services.data_sources.get_user_detailed_info")
+    @patch("apps.reports.services.data_sources.list_users")
+    def test_fetch_users_skips_user_whose_details_call_fails(self, mock_list_users, mock_get_user):
+        ok_uuid, broken_uuid = str(uuid4()), str(uuid4())
+        mock_list_users.return_value = {
+            "results": [{"uuid": broken_uuid}, {"uuid": ok_uuid}],
+            "next": None,
+        }
+        def get_user(uuid):
+            if uuid == broken_uuid:
+                raise Exception("boom")
+            return MagicMock(uuid=uuid)
+
+        mock_get_user.side_effect = get_user
+
+        users = ReportDataSources().fetch_users({})
+
+        self.assertEqual([user.uuid for user in users], [ok_uuid])
+
+
 class GenerateReportTests(APITestCase):
     def _build_ticket(self, user_uuid=None):
         ticket = MagicMock()
diff --git a/utils/accounts_client.py b/utils/accounts_client.py
index 8d79e73..d2d293b 100644
--- a/utils/accounts_client.py
+++ b/utils/accounts_client.py
@@ -74,3 +74,26 @@ def get_user_detailed_info(uuid):
     return response
 
 
+def list_users(limit=100, offset=0):
+    """Fetch one page of the accounts user list.
+
+    The generated OpenAPI client (users_api_users_list) only supports
+    `page`, and that param is silently ignored by the upstream endpoint --
+    every page returns the same first results. Its real pagination is
+    limit/offset, so this bypasses the generated wrapper with a raw request.
+    """
+    access_token = login_as_client_credentials()['access_token']
+    base_url = settings.ACCOUNTS_BASE_PUBLIC_URL
+    url = f"{base_url.rstrip('/')}/users/api/users/"
+
+    response = request_with_ssl_fallback(
+        'GET',
+        url,
+        params={"limit": limit, "offset": offset},
+        headers={"Authorization": f"Bearer {access_token}"},
+        verify=resolve_verify_ssl(base_url),
+    )
+    response.raise_for_status()
+    return response.json()
+
+