What else does Mattermore use?

Astronomer, GitHub, Google Cloud, Cloudflare and Framer.

Which other companies use Slack?

10Web, 1mind AI, 1Stream, 3sixs and 5U AI, among 1,936 companies with public evidence.

Companies / Mattermore / Slack

Does Mattermore use Slack?

Q: Does Mattermore use Slack?

Yes. We hold strong evidence for this. Evidence: Subprocessor list.

Yes

We hold strong evidence for this.

The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.

How we know

Subprocessor listProcesses data for the company6 Nov 2026Source

About Mattermore

Mattermore provides a real-time workforce intelligence layer built on existing behavioral data that shows how an organization runs and where AI can be applied. It serves companies and their leaders, managers, and employees seeking to accelerate AI transformation and productivity.

Summarized from its homepage on 7 Nov 2026.

AI and machine learning HR and recruiting Productivity and collaboration

What else Mattermore uses

Mattermore has evidence for 7 vendors. The strongest:

Astronomer GitHub Google Cloud Cloudflare Framer Google Workspace

See the full Mattermore tech stack

Other companies using Slack

10Web10web.io

1mind AI1mind.com

1Stream1stream.com

3sixs3sixs.com

5U AI5u.ai

909Cyber909cyber.com

A Securitya.security

Abacumabacum.ai

All 1,936 companies using Slack

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