Co-development of and co-investment in biomethane projects

Drawing on many years' experience, we help you develop your projects, from compliance with the relevant regulations right through to operation.


Designing and building

With more than 85 biomethane plants across France, we have all the relevant experience to assist you in building your own, be it a discontinuous dry or wet digester, to transform and recycle organic waste.


Operating and maintaining

Since 2014, we have helped optimize the performance of biomethane plants. To do this, we offer services that leverage all operational drivers requiring concurrent management.


Terms and conditions of use

1. Website Publisher: KEON Group

This website is the property of the KEON Group, a simplified joint-stock company with capital of 16,738,128 euros with its registered office in Malakoff (92240), 52 rue Paul Vaillant-Couturier, registered in the Nanterre Trade and Companies Registry under number 852 690 130. Email: contact@keon-group.com Phone: +33 (0)1 57 21 34 70

2. Website design and hosting

This website was designed and built by La Concorde.

Website design and build: La Concorde communications agency 44, rue du Louvre 75001 Paris – https://laconcorde.paris

Website development: Vertuelle 29 Bd de la Ferrage 06400 CANNES – https://www.vertuelle.com/

Users are expressly informed that the content published on the Website is hosted and stored on the server of the company O.V.H., a simplified joint-stock company with capital of 10,174,560 euros with its registered office in Roubaix (59100), 2 rue Kellermann, registered in the Lille Métropole Trade and Companies Registry under number 427 761 419.

Phone: +33 (0)9 72 10 10 07

3. Intellectual property

The branding and the logos (including semi-figurative trade marks) featured on the Website are registered trade marks of KEON or of its subsidiaries. Any partial or complete reproduction or representation, whether alone or incorporated into other elements, is strictly prohibited without the express prior written authorisation of KEON. The overall structure, logos, illustrations, company names, software, text, images, photos, products, videos, sounds, expertise, animations and, more generally, all the information and content featured on the Website, are the exclusive property of KEON or are subject to rights of use or exploitation. This content is subject to copyright legislation. Any representation, modification, reproduction or distortion, in whole or in part, of all or part of the Website or its content, by any means and on any medium whatsoever, is prohibited and would constitute an infringement of articles L 335-2 et seq. of the French Intellectual Property Code. Any use of the Website’s elements must first be subject to express written consent.

The request should be sent to: contact@keon-group.com.

4. Protection of personal data

Browsing or use of all or part of the Website’s functionalities by the User involves the collection and processing of personal data related to them, the terms and conditions of which are set out in the Website’s Privacy Policy.

5. Liability

KEON and its contributors make every effort to ensure that the information shown on the Website is accurate and up to date, reserving the right to modify the content at any time and without notice. Any dated information published on the Website is valid only for the date specified. Nevertheless, KEON cannot guarantee that this information is complete, nor that it will not be modified by third parties (hacking, viruses).

KEON shall be in no event held liable for any direct or indirect damage resulting from or following the diffusion of a virus by a third party through the Website that is likely to infect your computer system after you connect to the Website, use the Website or navigate around the Website. Equally, KEON cannot be held liable for any material damage linked to use of the Website. It is each user’s responsibility to take the appropriate measures to protect their data and/or software from being infected by any potential viruses circulating on the Internet.

KEON is not responsible for any delays, difficulties with use or any incompatibility between this Website and files, your browser or any other programme used to access the Website.

It should also be noted that while the Website offers access to other KEON or KEON subsidiary websites, said websites are likely to have their own legal notices and terms and conditions of use that should be consulted and complied with.

6. Hyperlinks

This Website may contain links to other third-party websites. KEON assumes no responsibility for the content of third-party websites and is not responsible for the user’s use of these sites.

7. Credits

The photos on this website were taken by Anais Nannini A22 (www.anais-nannini.com/) and Kiran Ridley (www.kiran.eu) or come from royalty-free image banks (Unsplash and Pexels).

Get in touch

Call us

Need clarification or information about a project? Our advisers are available Monday to Friday from 8am to 6pm

+33(0)1 57 21 34 70

Come and see us

Want to meet us in person? 
You can find us at 52 rue Paul Vaillant Couturier - 92240 Malakoff or at 3 Rue Galilée - 44 340 Bouguenais

View on map

Send us a message

Want to find out more about what we can do for you? Just a few clicks and you'll be on your way.

Send us a message
Let's talk about your project