C3 Systems's tech stack
What does C3 Systems use?
C3 Systems (c3systems.es) uses at least 21 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Mailchimp for marketing and reCAPTCHA for security. Last checked .
- Industry
- Construction
- Size
- 51–200 employees
- Based in
- Alicante, Spain
- Founded
- 2009
- Company page
- Tools found
- 21
- Categories
- 9
- Layers
- 4 of 5
- Changes seen
- 7
C3 Systems'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.
Application
8 tools, what the product is built with
Data & Observability
4 tools, what they measure and store
Go-to-market
5 tools, how they find and keep customers
Company Ops
4 tools, what the team runs on day to day
Workspace
Finance & Legal
Security & Compliance
What changed at C3 Systems
Recent starts and stops
- StartedAnthropic
- StartedContentsquare
- StartedGSAP
- StartedMeta Pixel
- StartedMouseflow
- StartedPinterest
- StartedVimeo
C3 Systems tech stack FAQ
What tools does C3 Systems use?
As of November 2026, runsonwhat has found 21 tools at C3 Systems (c3systems.es) in public records. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Contentsquare. Go-to-market: Google Ads, Meta Pixel and Mailchimp. Company Ops: Microsoft 365, reCAPTCHA and Exclaimer. Last checked October 31, 2026.
What email provider does C3 Systems use?
C3 Systems uses Microsoft 365 for email and office software, alongside Exclaimer, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 719,161 companies runsonwhat tracks.
What analytics tools does C3 Systems use?
C3 Systems uses Google Analytics for analytics, alongside Google Tag Manager, Contentsquare and Mouseflow, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on c3systems.es. Google Analytics is used by 906,437 companies runsonwhat tracks.
What marketing software does C3 Systems use?
C3 Systems uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 117,780 companies runsonwhat tracks.
Does C3 Systems use jQuery?
Yes. runsonwhat found jQuery at C3 Systems through jQuery code on c3systems.es. jQuery is a Frontend tool used by 930,273 companies runsonwhat tracks.
Does C3 Systems use AI tools?
Yes. runsonwhat has found Anthropic at C3 Systems; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so C3 Systems may use more AI tools than these.
Has C3 Systems changed tools recently?
Yes. On runsonwhat's rechecks, C3 Systems started using Anthropic, Contentsquare and GSAP (latest on October 31, 2026). A change counts only between two checks of c3systems.es done the same way.
Which companies have a tech stack similar to C3 Systems's?
The companies with the stacks most like C3 Systems' are Jr Merit, Connelly Electric, Memrise and Cosm, according to runsonwhat (November 2026). Each shares 6 to 10 tools with C3 Systems, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what C3 Systems uses?
runsonwhat reads public records only. Of the 21 tools at C3 Systems, 15 were found through code on c3systems.es, 4 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 c3systems.es 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.