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Technologies / Slack / The Constant Company

Companies using Slack and The Constant Company

4 companies in our data have public evidence for both Slack and The Constant Company, and 3 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

4companies use both
under 1%of Slack users
50%of The Constant Company users
3name both as subprocessors

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanySlackThe Constant Company
Cycle.ioCycle provides a platform for provisioning and managing cloud and on-prem infrastructure, running containers, VMs, and functions from a single control plane.Cloud and infrastructureDeveloper tools
Locomotive Agencylocomotive.agencyLOCOMOTIVE is a digital marketing agency that provides SEO, paid media, brand and design, website, content, digital PR, data and AI services.Marketing
Prismaprisma.ioPrisma provides a type-safe ORM, managed Postgres, and app hosting for TypeScript applications.Developer tools
Mistralmistral.aiMistral makes open-weight AI models and software for building, customizing, and running AI agents and applications.AI and machine learning

The two technologies

Slack

by Salesforce · Productivity

Slack is a collaboration platform where teams chat, share files, and work together in channels. It is used for team communication, connecting apps and agents, and automating everyday work.

Summarized from slack.com on 8 Nov 2026.

under 1% of the 1,934 companies we see using Slack also show the other.

All 1,934 companies using Slack1,341 name it as a subprocessorMore in Productivity

The Constant Company

Cloud and infrastructure

50% of the 8 companies we see using The Constant Company also show the other.

All 8 companies using The Constant Company7 name it as a subprocessorMore in Cloud and infrastructure

Other pairs

Companies with their own evidence for both.

More with Slack

Cloudflare1,813companiesGoogle Workspace1,580companiesAmazon Web Services1,298companiesStripe896companiesGoogle Tag Manager880companiesGoogle810companies

More with The Constant Company

Cloudflare8companiesGoogle Workspace8companiesGoogle6companiesAmazon Web Services5companies

Questions

How many companies use both Slack and The Constant Company?

4 companies in StrataDB's data have public evidence for both, and 3 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Slack and The Constant Company?

Cycle.io, Locomotive Agency, Prisma and Mistral. Each one links to the evidence behind it.

How does StrataDB know a company uses Slack and The Constant Company?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Slack and The Constant Company

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

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