Canadian federal lobbying registration
Registrant: Sara Colburne
Lobbying firm: Sandstone Group
Lobbying firm (French name): Groupe Sandstone
Client: CPCS
Client address: 150 Isabella Street, Suite 701, , Ottawa, ON, K1S 1V7, CAN
Client representative: Marc-André Roy, Co-CEO and Managing Partner
Effective date: 2026-01-15
End date: 2026-03-16
Posted: 2026-01-15