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  • Addeective was founded by Jean-Michel Lambert          in 2017

  • Our team has developed 30+extensions covering various markets and gained expertise working with more than 25 customers worldwide in the last 5 years.

  • We have expertise with 100% WebExtension APIs and have integrated with many third-party APIs like Google, Zoho, Bullhorn etc ... and are used to deal with customer-owned APIs.

  • We are part of the WebExtensions Community Group (WECG) and follow closely evolutions of web extension standards. 

  • We develop on Chrome but have experience delivering for all browsers.


  • Our competences are focused on the Javascript ecosystem and can deliver end2end solutions including backend components

  • We are passionated about using the best tools and environments.

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