diff --git a/app/dao/email_branding_dao.py b/app/dao/email_branding_dao.py
index d8738e9200..1ed90ae1e6 100644
--- a/app/dao/email_branding_dao.py
+++ b/app/dao/email_branding_dao.py
@@ -3,7 +3,9 @@
 from app.models import EmailBranding
 
 
-def dao_get_email_branding_options():
+def dao_get_email_branding_options(filter_by_organisation_id=None):
+    if filter_by_organisation_id:
+        return EmailBranding.query.filter_by(organisation_id=filter_by_organisation_id).all()
     return EmailBranding.query.all()
 
 
diff --git a/app/email_branding/rest.py b/app/email_branding/rest.py
index 3dc5086148..6ae95745be 100644
--- a/app/email_branding/rest.py
+++ b/app/email_branding/rest.py
@@ -20,7 +20,10 @@
 
 @email_branding_blueprint.route("", methods=["GET"])
 def get_email_branding_options():
-    email_branding_options = [o.serialize() for o in dao_get_email_branding_options()]
+    filter_by_organisation_id = request.args.get("organisation_id", None)
+    email_branding_options = [
+        o.serialize() for o in dao_get_email_branding_options(filter_by_organisation_id=filter_by_organisation_id)
+    ]
     return jsonify(email_branding=email_branding_options)
 
 
diff --git a/tests/app/dao/test_email_branding_dao.py b/tests/app/dao/test_email_branding_dao.py
index a69c912577..a3bc948a34 100644
--- a/tests/app/dao/test_email_branding_dao.py
+++ b/tests/app/dao/test_email_branding_dao.py
@@ -5,11 +5,12 @@
     dao_update_email_branding,
 )
 from app.models import EmailBranding
-from tests.app.db import create_email_branding
+from tests.app.db import create_email_branding, create_organisation
 
 
 def test_get_email_branding_options_gets_all_email_branding(notify_db, notify_db_session):
-    email_branding_1 = create_email_branding(name="test_email_branding_1")
+    org_1 = create_organisation()
+    email_branding_1 = create_email_branding(name="test_email_branding_1", organisation_id=org_1.id)
     email_branding_2 = create_email_branding(name="test_email_branding_2")
 
     email_branding = dao_get_email_branding_options()
@@ -18,6 +19,13 @@ def test_get_email_branding_options_gets_all_email_branding(notify_db, notify_db
     assert email_branding_1 == email_branding[0]
     assert email_branding_2 == email_branding[1]
 
+    org_1_id = email_branding_1.organisation_id
+
+    email_branding = dao_get_email_branding_options(filter_by_organisation_id=org_1_id)
+    assert len(email_branding) == 1
+    assert email_branding_1 == email_branding[0]
+    assert email_branding[0].organisation_id == org_1_id
+
 
 def test_get_email_branding_by_id_gets_correct_email_branding(notify_db, notify_db_session):
     email_branding = create_email_branding()
diff --git a/tests/app/db.py b/tests/app/db.py
index 1dacec37bc..c9ff33427c 100644
--- a/tests/app/db.py
+++ b/tests/app/db.py
@@ -502,13 +502,15 @@ def create_service_callback_api(
     return service_callback_api
 
 
-def create_email_branding(colour="blue", logo="test_x2.png", name="test_org_1", text="DisplayName"):
+def create_email_branding(colour="blue", logo="test_x2.png", name="test_org_1", text="DisplayName", organisation_id=None):
     data = {
         "colour": colour,
         "logo": logo,
         "name": name,
         "text": text,
     }
+    if organisation_id:
+        data["organisation_id"] = organisation_id
     email_branding = EmailBranding(**data)
     dao_create_email_branding(email_branding)
 
diff --git a/tests/app/email_branding/test_rest.py b/tests/app/email_branding/test_rest.py
index 9d7bd1f6f7..05e0b5a48e 100644
--- a/tests/app/email_branding/test_rest.py
+++ b/tests/app/email_branding/test_rest.py
@@ -21,6 +21,23 @@ def test_get_email_branding_options(admin_request, notify_db, notify_db_session,
     assert email_branding[1]["organisation_id"] == ""
 
 
+def test_get_email_branding_options_filter_org(admin_request, notify_db, notify_db_session, sample_organisation):
+    email_branding1 = EmailBranding(colour="#FFFFFF", logo="/path/image.png", name="Org1", organisation_id=sample_organisation.id)
+    email_branding2 = EmailBranding(colour="#000000", logo="/path/other.png", name="Org2")
+    notify_db.session.add_all([email_branding1, email_branding2])
+    notify_db.session.commit()
+    email_branding = admin_request.get("email_branding.get_email_branding_options", organisation_id=sample_organisation.id)[
+        "email_branding"
+    ]
+
+    assert len(email_branding) == 1
+    assert email_branding[0]["organisation_id"] == str(sample_organisation.id)
+
+    email_branding2 = admin_request.get("email_branding.get_email_branding_options")["email_branding"]
+
+    assert len(email_branding2) == 2
+
+
 def test_get_email_branding_by_id(admin_request, notify_db, notify_db_session):
     email_branding = EmailBranding(colour="#FFFFFF", logo="/path/image.png", name="Some Org", text="My Org")
     notify_db.session.add(email_branding)