Does Brieff use HubSpot?
Probably
We hold good evidence for this, but not the strongest kind.
- The company's privacy policy names it as a processor, controller or partner.
How we know
About Brieff
Brieff is an advisory delivery platform for accounting firms. It serves accounting firms and their advisory clients.
Summarized from its homepage on 6 Nov 2026.
What else Brieff uses
Brieff has evidence for 22 vendors. The strongest:
Google Analytics
Vercel
Cloudflare
Microsoft 365
Next.js
Amazon Web Services
Crazy Egg
Deepgram
Google Cloud
Other companies using HubSpot
Check any company's vendors in seconds
See Brieff's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call