Havas's tech stack
What does Havas use?
Havas (havas.com) uses at least 21 tools we can see from public records, including WP Engine for hosting, Microsoft 365 for email and documents, Matomo for analytics and WordPress for its website. Last checked .
- Industry
- Marketing and Advertising
- Size
- 10,000+ employees
- Based in
- Puteaux, France
- Founded
- 1991
- Company page
- Tools found
- 21
- Categories
- 12
- Layers
- 5 of 5
- Last checked
- Oct 2026
Havas'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
3 tools, where the bytes are served from
Application
3 tools, what the product is built with
Frontend
Media & UI
Data & Observability
1 tool, what they measure and store
Analytics
Go-to-market
4 tools, how they find and keep customers
Website & CMS
Company Ops
10 tools, what the team runs on day to day
Workspace
Dev Tools
Security & Compliance
Companies like Havas also use
Tools common among companies with a similar stack that we haven't found at Havas.
Companies with a stack like Havas's
Ranked by shared tools, with rare tools counting more.
DENTSU GROUP INC.Marketing and Advertising · 10,000+ people10in common
CossetteMarketing and Advertising · 201–1,000 people5in common
We Are Social USAMarketing and Advertising · 1,001–5,000 people9in common
WarnerMediaMedia · 10,000+ people9in common
GlaxoSmithKline plcPharmaceuticals · 10,000+ people11in common
Warner Bros. DiscoveryMedia · 10,000+ people13in common
Merck & Co., Inc., Rahway, NJ, USAPharmaceuticals · 10,000+ people8in common
The MillVisual Effects10in common
More Marketing and Advertising companies
Other Marketing and Advertising companies we've checked.
EffectionMarketing and Advertising · 201–1,000 people
Publicis CommerceMarketing and Advertising · 10,000+ people
Real ChemistryMarketing and Advertising · 1,001–5,000 people
IVE Group LimitedMarketing and Advertising · 1,001–5,000 people
Vml CommerceMarketing and Advertising · 10,000+ people
StarcomMarketing and Advertising · 5,001–10,000 people
Havas tech stack FAQ
What tools does Havas use?
We've found 21 tools at Havas (havas.com). Edge & Hosting: Cloudflare, WP Engine and Gandi. Application: jQuery, GSAP and Extensis. Data & Observability: Matomo. Go-to-market: WordPress, Mailchimp and Dynamics 365 Customer Insights. Company Ops: Microsoft 365, Apple Business and Atlassian. Last checked October 3, 2026.
What cloud does Havas run on?
Havas uses WP Engine for hosting. We found WP Engine through DNS verification records.
What email provider does Havas use?
Havas uses Microsoft 365 and Apple Business for email and documents. We found Microsoft 365 through DNS verification records.
What analytics tools does Havas use?
Havas uses Matomo for analytics. We found Matomo through website code.
What CMS does Havas use?
Havas uses WordPress for its website. We found WordPress through website code.
What marketing software does Havas use?
Havas uses Mailchimp and Dynamics 365 Customer Insights for marketing. We found Mailchimp through email records.
Does Havas use Microsoft 365?
Yes. We found Microsoft 365 at Havas through DNS verification records. Microsoft 365 is used by 245,233 companies we track.
How does runsonwhat know what Havas uses?
We read public traces only: Havas's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.