Canadian federal lobbying registration
Registrant: Abbey Martynes
Lobbying firm: Sandstone Group
Lobbying firm (French name): Groupe Sandstone
Client: Sayisi Dene First Nation
Client address: Sayisi Dene First Nation General Delivery, , Tadoule Lake, MB, R0B 2C0, CAN
Client representative: Carl Geoff Bussidor, Chief Negotiator
Effective date: 2026-01-21
Posted: 2026-01-22