runsonwhat

Catelys's tech stack

What does Catelys use?

Catelys (catelys.fr) uses at least 7 tools we can see from public records, including OVHcloud for hosting, Microsoft 365 for email and documents, Calendly for sales and Brevo for marketing. Last checked .

Industry
Accounting
Size
11–50 employees
Based in
Lille, France
Founded
1948
LinkedIn
Company page
Tools found
7
Categories
6
Layers
4 of 5
Last checked
Nov 2026

Catelys'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

Hosting & Cloud

Application

2 tools, what the product is built with

Media & UI

Go-to-market

3 tools, how they find and keep customers

Company Ops

1 tool, what the team runs on day to day

Catelys tech stack FAQ

What tools does Catelys use?

As of November 2026, runsonwhat has found 7 tools at Catelys (catelys.fr) in public records. Edge & Hosting: OVHcloud. Application: jQuery and GSAP. Go-to-market: Brevo and Calendly. Company Ops: Microsoft 365. Last checked November 1, 2026.

What cloud does Catelys run on?

Catelys uses OVHcloud for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found OVHcloud through DNS records that point at OVHcloud. OVHcloud is used by 27,479 companies runsonwhat tracks.

What sales tools does Catelys use?

The sales tools runsonwhat has found at Catelys are Calendly (November 2026); no CRM shows up in Catelys' public records. runsonwhat found Calendly through Calendly code on catelys.fr. Calendly is used by 31,452 companies runsonwhat tracks.

What email provider does Catelys use?

Catelys uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 724,316 companies runsonwhat tracks.

What marketing software does Catelys use?

Catelys uses Brevo for marketing, according to runsonwhat (November 2026). runsonwhat found Brevo through email records that authorize Brevo. Brevo is used by 82,096 companies runsonwhat tracks.

Does Catelys use jQuery?

Yes. runsonwhat found jQuery at Catelys through jQuery code on catelys.fr. jQuery is a Frontend tool used by 930,171 companies runsonwhat tracks.

How does runsonwhat know what Catelys uses?

runsonwhat reads public records only. Of the 7 tools at Catelys, 3 were found through code on catelys.fr, 2 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and catelys.fr 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.