Revenue River

Revenue River, now operating as Instrumental Group, is an Elite HubSpot Partner agency based in Golden, Colorado. Founded in 2009, the team helps mid-size and enterprise companies scale using HubSpot's marketing, sales, and CRM tools.

The agency has won 29 HubSpot Impact Awards—more than any other agency worldwide. With 130+ employees across five countries, Instrumental Group offers web development, growth strategy, custom HubSpot apps, and system integrations for clients like TikTok, Lumen, and Apria.