runsonwhat

Countus's tech stack

What does Countus use?

Countus (countus.nl) uses at least 12 tools we can see from public records, including Microsoft 365 for email and documents, Cloudflare for content delivery, SendGrid for email delivery and Let's Encrypt for security. Last checked .

Industry
Accounting
Size
201–1,000 employees
Based in
Zwolle, Netherlands
Founded
1924
LinkedIn
Company page
Re-check liveVisit countus.nl
Tools found
12
Categories
6
Layers
3 of 5
Last checked
Oct 2026

Countus's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

1 tool, where the bytes are served from

CDN & Edge

Go-to-market

1 tool, how they find and keep customers

Marketing

Company Ops

10 tools, what the team runs on day to day

Email Delivery

Workspace

Finance & Legal

Security & Compliance

Companies like Countus also use

Tools common among companies with a similar stack that we haven't found at Countus.

Companies with a stack like Countus's

Ranked by shared tools, with rare tools counting more.

Countus tech stack FAQ

What tools does Countus use?

As of October 2026, runsonwhat has found 12 tools at Countus (countus.nl) in public records. Edge & Hosting: Cloudflare. Company Ops: Microsoft 365, SendGrid and Amazon SES. Last checked October 6, 2026.

What email provider does Countus use?

Countus uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 700,588 companies runsonwhat tracks.

Does Countus use Cloudflare?

Yes. runsonwhat found Cloudflare at Countus through DNS records that point at Cloudflare and code on countus.nl. Cloudflare is a CDN & Edge tool used by 691,473 companies runsonwhat tracks.

Which companies have a tech stack similar to Countus's?

The companies with the stacks most like Countus' are Antonius, Variantzorg, INNAX and Hlb Van Daal, according to runsonwhat (October 2026). Each shares 3 to 5 tools with Countus, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Countus uses?

runsonwhat reads public records only. Of the 12 tools at Countus, 8 were found through DNS records, 4 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and countus.nl about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.