Canadian federal lobbying registration
Registrant: Sara Colburne
Lobbying firm: Sandstone Group
Lobbying firm (French name): Groupe Sandstone
Client: St. John Ambulance Canada
Client (French name): Ambulance Saint-Jean Canada
Client address: 400-1900 promenade City Park Drive, , Ottawa, ON, K1J 1A3, CAN
Client representative: Martin Gangnier, CEO
Effective date: 2026-02-16
Posted: 2026-02-26