diff --git a/exceptions/http_exceptions.py b/exceptions/http_exceptions.py
index 13585ae..c6c1494 100644
--- a/exceptions/http_exceptions.py
+++ b/exceptions/http_exceptions.py
@@ -118,6 +118,15 @@ def __init__(self):
         )
 
 
+class CannotModifyDefaultRoleError(HTTPException):
+    """Raised when attempting to modify or delete a default system role."""
+    def __init__(self, action: str = "modify"):
+        super().__init__(
+            status_code=403,
+            detail=f"Default system roles cannot be {action}d."
+        )
+
+
 class DataIntegrityError(HTTPException):
     def __init__(
             self,
diff --git a/routers/role.py b/routers/role.py
index f6ecb2a..81770b1 100644
--- a/routers/role.py
+++ b/routers/role.py
@@ -9,7 +9,7 @@
 from utils.db import get_session
 from utils.dependencies import get_authenticated_user
 from utils.models import Role, Permission, ValidPermissions, utc_time, User, DataIntegrityError
-from exceptions.http_exceptions import InsufficientPermissionsError, InvalidPermissionError, RoleAlreadyExistsError, RoleNotFoundError, RoleHasUsersError
+from exceptions.http_exceptions import InsufficientPermissionsError, InvalidPermissionError, RoleAlreadyExistsError, RoleNotFoundError, RoleHasUsersError, CannotModifyDefaultRoleError
 from routers.organization import router as organization_router
 
 logger = getLogger("uvicorn.error")
@@ -84,6 +84,10 @@ def update_role(
     if not db_role:
         raise RoleNotFoundError()
 
+    # Prevent modification of default roles
+    if db_role.name in ["Owner", "Administrator", "Member"]:
+        raise CannotModifyDefaultRoleError(action="update")
+
     # If any user-selected permissions are not valid, raise an error
     for permission in permissions:
         if permission not in ValidPermissions:
@@ -148,6 +152,10 @@ def delete_role(
     if not db_role:
         raise RoleNotFoundError()
 
+    # Prevent deletion of default roles
+    if db_role.name in ["Owner", "Administrator", "Member"]:
+        raise CannotModifyDefaultRoleError(action="delete")
+
     # Check that no users have the role
     if db_role.users:
         raise RoleHasUsersError()
diff --git a/templates/organization/modals/roles_card.html b/templates/organization/modals/roles_card.html
index af88772..c2e455d 100644
--- a/templates/organization/modals/roles_card.html
+++ b/templates/organization/modals/roles_card.html
@@ -17,7 +17,6 @@
         {% endfor %}
         
         {% if organization.roles %}
-            {% if ns.custom_roles_exist %}
             <div class="table-responsive">
                 <table class="table table-hover">
                     <thead>
@@ -44,7 +43,7 @@
                             </td>
                             {% if ValidPermissions.EDIT_ROLE in user_permissions or ValidPermissions.DELETE_ROLE in user_permissions %}
                             <td>
-                                {% if ValidPermissions.EDIT_ROLE in user_permissions and role.name != "Owner" %}
+                                {% if ValidPermissions.EDIT_ROLE in user_permissions and role.name not in ["Owner", "Administrator", "Member"] %}
                                 <button type="button" class="btn btn-sm btn-outline-primary me-1" data-bs-toggle="modal" data-bs-target="#editRoleModal{{ role.id }}">
                                     Edit Role
                                 </button>
@@ -66,9 +65,6 @@
                     </tbody>
                 </table>
             </div>
-            {% else %}
-            <p class="text-muted">No custom roles defined</p>
-            {% endif %}
         {% else %}
         <p class="text-muted">No roles defined</p>
         {% endif %}
@@ -120,7 +116,7 @@ <h5 class="modal-title" id="createRoleModalLabel">Create New Role</h5>
 {# Edit Role Modals #}
 {% if ValidPermissions.EDIT_ROLE in user_permissions %}
   {% for role in organization.roles %}
-    {% if role.name != "Owner" %}
+    {% if role.name not in ["Owner", "Administrator", "Member"] %}
     <div class="modal fade" id="editRoleModal{{ role.id }}" tabindex="-1" aria-labelledby="editRoleModalLabel{{ role.id }}" aria-hidden="true">
       <div class="modal-dialog modal-lg">
         <div class="modal-content">
diff --git a/tests/routers/test_organization.py b/tests/routers/test_organization.py
index 842758e..8984945 100644
--- a/tests/routers/test_organization.py
+++ b/tests/routers/test_organization.py
@@ -336,7 +336,7 @@ def test_delete_organization_cascade(auth_client, session, test_organization, te
     ).all()
     assert len(roles) == 0
 
-# --- Organization View Permission Tests ---
+# --- Organization View Tests ---
 
 def test_read_organization_as_owner(auth_client_owner, test_organization):
     """Test accessing organization page as an owner"""
@@ -348,13 +348,8 @@ def test_read_organization_as_owner(auth_client_owner, test_organization):
     assert response.status_code == 200
     assert test_organization.name in response.text
 
-    # Check for owner-specific actions
-    assert "Invite Member" in response.text
-    assert "Create Role" in response.text
-    assert "Edit Role" in response.text
-    assert "Delete Role" in response.text
-    assert "Edit Organization" in response.text
-    assert "Delete Organization" in response.text
+    # Owner should have the permission to trigger the delete organization modal
+    assert 'data-bs-target="#deleteOrganizationModal"' in response.text
 
 
 def test_read_organization_as_admin(auth_client_admin, test_organization):
@@ -366,11 +361,6 @@ def test_read_organization_as_admin(auth_client_admin, test_organization):
 
     assert response.status_code == 200
     assert test_organization.name in response.text
-
-    # Check for admin-specific actions based on permissions
-    assert "Invite Member" in response.text
-    assert "Create Role" in response.text
-    assert "Edit Role" in response.text
     
     # Admin shouldn't have the permission to trigger the delete organization modal
     assert 'data-bs-target="#deleteOrganizationModal"' not in response.text
@@ -386,13 +376,8 @@ def test_read_organization_as_member(auth_client_member, test_organization):
     assert response.status_code == 200
     assert test_organization.name in response.text
 
-    # Member should not have permission buttons
-    assert "Invite Member" not in response.text
-    assert "Create Role" not in response.text
-    assert "Edit Role" not in response.text
-    assert "Delete Role" not in response.text
-    assert "Edit Organization" not in response.text
-    assert "Delete Organization" not in response.text
+    # Member shouldn't have the permission to trigger the delete organization modal
+    assert 'data-bs-target="#deleteOrganizationModal"' not in response.text
 
 
 def test_read_organization_as_non_member(auth_client_non_member, test_organization):
diff --git a/tests/routers/test_role.py b/tests/routers/test_role.py
index 0c3d779..d73dfad 100644
--- a/tests/routers/test_role.py
+++ b/tests/routers/test_role.py
@@ -3,7 +3,7 @@
 import pytest
 from tests.conftest import SetupError
 from utils.models import Role, Permission, ValidPermissions, User
-from sqlmodel import Session, select
+from sqlmodel import Session, select, col
 import re
 from main import app
 
@@ -479,7 +479,8 @@ def test_organization_page_role_creation_access(auth_client_owner, auth_client_a
         follow_redirects=False
     )
     assert owner_response.status_code == 200
-    assert "Create Role" in owner_response.text
+    # Check for the button's modal trigger specifically
+    assert 'data-bs-target="#createRoleModal"' in owner_response.text
     
     # Admin should see role creation
     admin_response = auth_client_admin.get(
@@ -487,7 +488,8 @@ def test_organization_page_role_creation_access(auth_client_owner, auth_client_a
         follow_redirects=False
     )
     assert admin_response.status_code == 200
-    assert "Create Role" in admin_response.text
+    # Check for the button's modal trigger specifically
+    assert 'data-bs-target="#createRoleModal"' in admin_response.text
     
     # Member should not see role creation
     member_response = auth_client_member.get(
@@ -495,34 +497,45 @@ def test_organization_page_role_creation_access(auth_client_owner, auth_client_a
         follow_redirects=False
     )
     assert member_response.status_code == 200
-    assert "Create Role" not in member_response.text
+    # Check that the button's modal trigger is NOT present
+    assert 'data-bs-target="#createRoleModal"' not in member_response.text
 
 
-def test_organization_page_role_edit_access(auth_client_owner, auth_client_admin, auth_client_member, test_organization):
-    """Test that role editing UI elements are only shown to users with EDIT_ROLE permission"""
-    # Owner should see role editing controls
+def test_organization_page_role_edit_access(auth_client_owner, auth_client_admin, auth_client_member, test_organization, session: Session):
+    """Test that the 'Edit Role' button appears for custom roles only for users with permission."""
+    # Create a custom, editable role for the test
+    custom_role = Role(name="Custom Role To Edit", organization_id=test_organization.id)
+    session.add(custom_role)
+    session.commit()
+    session.refresh(custom_role)
+
+    # Define the regex pattern for the specific custom role's edit button
+    edit_button_pattern = fr'<button[^>]*data-bs-target="#editRoleModal{custom_role.id}"[^>]*>\s*Edit Role\s*</button>'
+
+    # Owner should see the edit button for the custom role
     owner_response = auth_client_owner.get(
         app.url_path_for("read_organization", org_id=test_organization.id),
         follow_redirects=False
     )
     assert owner_response.status_code == 200
-    assert "Edit Role" in owner_response.text
+    assert re.search(edit_button_pattern, owner_response.text) is not None, "Owner should see edit button for custom role"
     
-    # Admin should see role editing controls
+    # Admin should see the edit button for the custom role
     admin_response = auth_client_admin.get(
         app.url_path_for("read_organization", org_id=test_organization.id),
         follow_redirects=False
     )
     assert admin_response.status_code == 200
-    assert "Edit Role" in admin_response.text
-    
-    # Member should not see role editing controls
+    assert re.search(edit_button_pattern, admin_response.text) is not None, "Admin should see edit button for custom role"
+
+    # Member should not see *any* edit role button
     member_response = auth_client_member.get(
         app.url_path_for("read_organization", org_id=test_organization.id),
         follow_redirects=False
     )
     assert member_response.status_code == 200
-    assert "Edit Role" not in member_response.text
+    # Use a general pattern to ensure no edit buttons are present for the member
+    assert re.search(r'<button[^>]*>\\s*Edit Role\\s*</button>', member_response.text) is None, "Member should not see any edit buttons"
 
 
 def test_organization_page_role_delete_access(auth_client_owner, auth_client_admin, auth_client_member, test_organization, session: Session):
@@ -581,6 +594,153 @@ def test_organization_page_role_delete_access(auth_client_owner, auth_client_adm
     assert expected_member_delete_form not in member_response.text
 
 
+def test_organization_page_always_shows_default_roles(auth_client_member, test_organization, session: Session):
+    """
+    Test that Owner, Administrator, and Member roles are always visible
+    on the organization page, even if no custom roles exist.
+    The default Member client is used as it has the least privileges but should still see the roles.
+    """
+    # Ensure no custom roles exist for this test
+    custom_roles = session.exec(
+        select(Role).where(
+            Role.organization_id == test_organization.id,
+            col(Role.name).not_in(["Owner", "Administrator", "Member"])
+        )
+    ).all()
+    assert len(custom_roles) == 0, "Test setup failed: Custom roles exist unexpectedly."
+
+    response = auth_client_member.get(
+        app.url_path_for("read_organization", org_id=test_organization.id),
+        follow_redirects=False
+    )
+    assert response.status_code == 200
+
+    # Check if the default role names are present in the rendered table body
+    # This implicitly checks if the table is rendered even without custom roles.
+    assert "<td>Owner</td>" in response.text
+    assert "<td>Administrator</td>" in response.text
+    assert "<td>Member</td>" in response.text
+
+
+def test_organization_page_no_edit_for_default_roles(auth_client_owner, test_organization):
+    """
+    Test that the 'Edit Role' button/modal trigger does not appear for default roles
+    (Owner, Administrator, Member), even for the owner.
+    """
+    response = auth_client_owner.get(
+        app.url_path_for("read_organization", org_id=test_organization.id),
+        follow_redirects=False
+    )
+    assert response.status_code == 200
+
+    # Owner role (ID 1) should not have an edit button
+    owner_edit_button_pattern = r'<button[^>]*data-bs-target="#editRoleModal1"[^>]*>\\s*Edit Role\\s*</button>'
+    assert re.search(owner_edit_button_pattern, response.text) is None, "Edit button found for Owner role"
+
+    # Administrator role (ID 2) should not have an edit button
+    admin_edit_button_pattern = r'<button[^>]*data-bs-target="#editRoleModal2"[^>]*>\\s*Edit Role\\s*</button>'
+    assert re.search(admin_edit_button_pattern, response.text) is None, "Edit button found for Administrator role"
+
+    # Member role (ID 3) should not have an edit button
+    member_edit_button_pattern = r'<button[^>]*data-bs-target="#editRoleModal3"[^>]*>\\s*Edit Role\\s*</button>'
+    assert re.search(member_edit_button_pattern, response.text) is None, "Edit button found for Member role"
+
+    # Check that the edit modals themselves are not generated for default roles
+    assert 'id="editRoleModal1"' not in response.text, "Edit modal found for Owner role"
+    assert 'id="editRoleModal2"' not in response.text, "Edit modal found for Administrator role"
+    assert 'id="editRoleModal3"' not in response.text, "Edit modal found for Member role"
+
+
+def test_organization_page_no_delete_for_default_roles(auth_client_owner, test_organization):
+    """
+    Test that the 'Delete Role' button/form does not appear for default roles
+    (Owner, Administrator, Member), even for the owner.
+    This re-verifies and centralizes checks from test_organization_page_role_delete_access.
+    """
+    response = auth_client_owner.get(
+        app.url_path_for("read_organization", org_id=test_organization.id),
+        follow_redirects=False
+    )
+    assert response.status_code == 200
+
+    # Check that delete forms are NOT present for default roles (IDs 1, 2, 3)
+    owner_delete_form_pattern = r'<form[^>]*action="[^"]*?/roles/delete"[^>]*>.*?<input[^>]*name="id"[^>]*value="1"[^>]*>.*?</form>'
+    assert re.search(owner_delete_form_pattern, response.text, re.DOTALL) is None, "Delete form found for Owner role"
+
+    admin_delete_form_pattern = r'<form[^>]*action="[^"]*?/roles/delete"[^>]*>.*?<input[^>]*name="id"[^>]*value="2"[^>]*>.*?</form>'
+    assert re.search(admin_delete_form_pattern, response.text, re.DOTALL) is None, "Delete form found for Administrator role"
+
+    member_delete_form_pattern = r'<form[^>]*action="[^"]*?/roles/delete"[^>]*>.*?<input[^>]*name="id"[^>]*value="3"[^>]*>.*?</form>'
+    assert re.search(member_delete_form_pattern, response.text, re.DOTALL) is None, "Delete form found for Member role"
+
+
+# --- API Endpoint Tests for Default Roles ---
+
+@pytest.mark.parametrize("default_role_name", ["Owner", "Administrator", "Member"])
+def test_update_default_role_api_forbidden(auth_client_owner, test_organization, session: Session, default_role_name):
+    """
+    Test that attempting to update default roles via the API is forbidden (403).
+    Uses the owner client which has EDIT_ROLE permission.
+    Finds the role ID dynamically based on the name for the specific organization.
+    """
+    # Find the actual role ID for the current test organization instance
+    default_role = session.exec(
+        select(Role)
+        .where(Role.organization_id == test_organization.id)
+        .where(Role.name == default_role_name)
+    ).first()
+
+    if not default_role:
+        pytest.fail(f"Default role '{default_role_name}' not found for organization {test_organization.id}")
+        
+    default_role_id = default_role.id
+
+    response = auth_client_owner.post(
+        app.url_path_for("update_role"),
+        data={
+            "id": default_role_id, # Use dynamically fetched ID
+            "name": f"Attempt to Change {default_role_name} Role",
+            "organization_id": test_organization.id,
+            "permissions": [ValidPermissions.EDIT_ROLE.value] # Arbitrary permission
+        },
+        follow_redirects=False # We expect a direct 403, not a redirect
+    )
+
+    assert response.status_code == 403 # Expecting Forbidden
+
+
+@pytest.mark.parametrize("default_role_name", ["Owner", "Administrator", "Member"])
+def test_delete_default_role_api_forbidden(auth_client_owner, test_organization, session: Session, default_role_name):
+    """
+    Test that attempting to delete default roles via the API is forbidden (403).
+    Uses the owner client which has DELETE_ROLE permission.
+    Finds the role ID dynamically based on the name for the specific organization.
+    """
+    # Find the actual role ID for the current test organization instance
+    default_role = session.exec(
+        select(Role)
+        .where(Role.organization_id == test_organization.id)
+        .where(Role.name == default_role_name)
+    ).first()
+
+    if not default_role:
+        pytest.fail(f"Default role '{default_role_name}' not found for organization {test_organization.id}")
+
+    default_role_id = default_role.id
+    print(default_role_id)
+
+    response = auth_client_owner.post(
+        app.url_path_for("delete_role"),
+        data={
+            "id": default_role_id, # Use dynamically fetched ID
+            "organization_id": test_organization.id
+        },
+        follow_redirects=False # We expect a direct 403, not a redirect
+    )
+
+    assert response.status_code == 403 # Expecting Forbidden
+
+
 def test_create_role_form_modal(auth_client_owner, test_organization):
     """Test that the create role modal form contains all required elements"""
     response = auth_client_owner.get(