runsonwhat

COS's tech stack

What does COS use?

COS (cos.com) uses at least 19 tools we can see from public records, including Microsoft 365 for email and documents, Attentive for marketing, Datadog for monitoring and Akamai for content delivery. Last checked .

Industry
Fashion Retail
Size
51–200 employees
Based in
Pahtum Wan, Germany
Founded
2007
LinkedIn
Company page
Re-check liveVisit cos.com
Tools found
19
Categories
11
Layers
5 of 5
Last checked
Oct 2026

COS'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

Application

5 tools, what the product is built with

Frontend

AI

Media & UI

Data & Observability

3 tools, what they measure and store

Monitoring

Data Pipeline

Go-to-market

6 tools, how they find and keep customers

Marketing

Ads & Pixels

Company Ops

4 tools, what the team runs on day to day

Email Delivery

Workspace

Security & Compliance

Companies like COS also use

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

Companies with a stack like COS's

Ranked by shared tools, with rare tools counting more.

COS tech stack FAQ

What tools does COS use?

As of October 2026, runsonwhat has found 19 tools at COS (cos.com) in public records. Edge & Hosting: Akamai. Application: Google Fonts, React and Tailwind CSS. Data & Observability: Datadog, Akamai mPulse and Tealium. Go-to-market: Meta Pixel, Microsoft Ads and Pinterest. Company Ops: Microsoft 365, SendGrid and Valimail. Last checked October 25, 2026.

What email provider does COS use?

COS uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 713,665 companies runsonwhat tracks.

What marketing software does COS use?

COS uses Attentive for marketing, alongside SAP Emarsys, according to runsonwhat (October 2026). runsonwhat found Attentive through a subdomain that points at Attentive and code on cos.com. Attentive is used by 3,335 companies runsonwhat tracks.

What monitoring tools does COS use?

COS uses Datadog for monitoring, alongside Akamai mPulse, according to runsonwhat (October 2026). runsonwhat found Datadog through Datadog code on cos.com. Datadog is used by 11,536 companies runsonwhat tracks.

Does COS use Google Fonts?

Yes. runsonwhat found Google Fonts at COS through Google Fonts code on cos.com. Google Fonts is a Media & UI tool used by 813,567 companies runsonwhat tracks.

Does COS use AI tools?

Yes. runsonwhat has found Anthropic at COS; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so COS may use more AI tools than these.

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

The companies with the stacks most like COS' are Everlane, VIKTORIA & WOODS, nudelucy and Autopro, according to runsonwhat (October 2026). Each shares 7 to 11 tools with COS, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what COS uses?

runsonwhat reads public records only. Of the 19 tools at COS, 9 were found through code on cos.com, 5 through DNS records, 3 through subdomains that point at the vendor and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and cos.com 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.