App Development Company

C2iS

Lyon digital agency building eco-designed, accessible websites and hosting them in a French green data centre

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TrustList summary

C2iS is an independent digital agency in Lyon, France, whose website now trades under the name acti. It designs and rebuilds websites, intranets and extranets with a focus on low environmental impact and accessibility, and hosts them in a green data centre in the Auvergne-Rhône-Alpes region. Search, social media and digital strategy work sit alongside the build side.

Products and services

Website, intranet and extranet builds: custom creation and redesign with attention to performance.
Eco-designed websites: lower-footprint sites following Opquast, RGESN and Green IT guidance.
Accessible websites: builds meeting the French RGAA accessibility rules, an area it has worked in since 1998.
Green hosting: web hosting in a regional green data centre, offered since 2012.
Maintenance and takeover: audits, security fixes and ongoing care for WordPress and Drupal sites.
Search, ads and social: SEO, GEO, paid search and social media, the last through its NAGA agency.

Who it serves

Named projects include work for Vilmorin, Canson Infinity, CNR, Itinova, Fermob, Tignes and Handicap International.

Key facts

Based in: Lyon, France
Hosting: green data centre in Auvergne-Rhône-Alpes
Standards: Opquast, RGESN, Green IT and RGAA

Summary written by TrustList from the business's own published information, Sep 2026.

Gallery

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Categories & features

Rankings

C2iS is ranked on 1 TrustList ranking at #19.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. C2iS has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

App development company · 1 ranking

#19of 7
France
It is the only one of the 7 here listing real estate and one of 7 here listing education.
Its profile: “C2iS is an independent digital agency in Lyon, France, whose website now trades under the name acti.”
Of the 7 here, 13 also cover consumer products & services and 10 also cover business services; 2 also work in Paris.
Behind BROME, ahead of Decasoft.

As of 2026-11-01. Organic ranks only; sponsored placements are never ranks. How TrustList ranks