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-# contributing
+# Contributing
 
-Contributing guidelines to the COOPGO Technical Platform and other applications.
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+We're very happy that you consider to contribute to our open source projects ! Cooperation is at the heart of COOPGO values and we're can't wait to see your improvements to our projects.
+
+This page describe some guidelines to have your contributions included.
+
+## How to contribute
+
+To contribute to COOPGO open source projects, you need to :
+
+1. Sign a Contributor Licence Agreement (CLA). If you are an indvidual contributing as yourself, please use the [Individual Contributor Licence Agreement](contributor_agreements/individual_cla.pdf). If you are an employee and have created the contribution as part of your employment, please use the [Corporate Contributor Licence Agreement](contributor_agreements/corporate_cla.pdf).
+2. Send the CLA to us by email (tech@coopgo.io)
+3. Wait for approvement. Once approved, we will give us access to our source control system on https://git.coopgo.io.
+4. Fork the main repository of the project you're willing to contribute to, within your personal organization on https://git.coopgo.io
+5. Discuss the changes you're willing to make with COOPGO team through the tickets system
+6. Commit your changes on your personal organization
+7. Once your contribution is ready, please make a pull request with  sufficient information for COOPGO team to make a review
+
+## Licence
+
+By default, if not stated otherwise in the source repositories of the project itself, the licence applied to any material is AGPL version 3 or later.
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