diff --git a/app/main/dao/users_dao.py b/app/main/dao/users_dao.py
index 8a03de264..97bdfb9f3 100644
--- a/app/main/dao/users_dao.py
+++ b/app/main/dao/users_dao.py
@@ -9,3 +9,7 @@ def insert_user(user):
 
 def get_user_by_id(id):
     return Users.query.filter_by(id=id).first()
+
+
+def get_all_users():
+    return Users.query.all()
diff --git a/tests/app/main/dao/test_get_all_users.py b/tests/app/main/dao/test_get_all_users.py
new file mode 100644
index 000000000..3cc846ca4
--- /dev/null
+++ b/tests/app/main/dao/test_get_all_users.py
@@ -0,0 +1,32 @@
+from datetime import datetime
+
+from app.main.dao import users_dao
+from app.models import Users
+
+
+def test_get_all_users_returns_all_users(notifications_admin, notifications_admin_db):
+    user1 = Users(name='test one',
+                  password='somepassword',
+                  email_address='test1@get_all.gov.uk',
+                  mobile_number='+441234123412',
+                  created_at=datetime.now(),
+                  role_id=1)
+    user2 = Users(name='test two',
+                  password='some2ndpassword',
+                  email_address='test2@get_all.gov.uk',
+                  mobile_number='+441234123412',
+                  created_at=datetime.now(),
+                  role_id=1)
+    user3 = Users(name='test two',
+                  password='some2ndpassword',
+                  email_address='test2@get_all.gov.uk',
+                  mobile_number='+441234123412',
+                  created_at=datetime.now(),
+                  role_id=1)
+
+    users_dao.insert_user(user1)
+    users_dao.insert_user(user2)
+    users_dao.insert_user(user3)
+    users = users_dao.get_all_users()
+    assert len(users) == 3
+    assert users == [user1, user2, user3]