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Dyneff: supplier combining dynamism and efficiency

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Dyneff: supplier combining dynamism and efficiency

Mis à jour le

March 6, 2026

Min reading

With more than 60 years of expertise, the Dyneff Group works daily for smarter energy and, above all, more environmentally friendly.

SirEnergies explains everything to you in less than 3 minutes.

Who is Dyneff and what are its activities in France?

The Dyneff Group has been active in the energy sector for over 60 years. It distributes and markets fuels, fuels, natural gas and electricity.

The company name is an acronym for its values (Dyn Friendship and Eff icacity).

Dyneff provides a variety of products and services, such as fuels, natural gas, and electricity, to professionals, individuals, and local authorities.

The group is now fully committed to an environmental approach by offering solutions for biofuels, new technologies in terms of eco-construction and the reduction of energy consumption.

In terms of energy, Dyneff has been offering gas and electricity supply offers to businesses, communities and individuals since 2015.

Electricity supply offers to VSEs/SMEs and businesses

The company offers two electricity supply offers dedicated to artisans, traders, self-employed persons, SMEs, SMEs, SMIs with a meter power of less than 36 kVA as well as to large companies, manufacturers, major accounts, communities, with a meter power greater than 36 kVA.

  • Dyneff Electricity VSE/SME offer : offer at a market price valid for companies with a meter with a power of less than 36 kVA.
  • Dyneff Electric Business Offer : offer aimed at large companies, manufacturers, large accounts, communities, with a meter power greater than 36 kVA. This is a tailor-made offer, the price can be blocked for a maximum of 3 years.

Offers for the supply of gas to businesses

  • Dyneff Gaz Serein Pro offer : fixed price offer blocked for the duration of the contract (for 2 years). It is possible to choose the date of the withdrawal as well as the billing frequency (annual or bimonthly).

How do I subscribe to a Dyneff offer?

To subscribe to an energy contract with Dyneff, several solutions are available to you:

  • Online via the website and the dedicated contact form
  • By phone at 04 67 12 68 30 (Monday to Friday from 9:00 to 19:00)
  • By post to the following address:

DYNEFF SAS
Strategy Concept Building 5
1300 Albert Einstein Avenue
CS 76033
34060 Montpellier Cedex - FRANCIA

These same possibilities will be offered to cancel your contract and via your Dyneff customer area.

Save time!

Contact us using the form below so that we can take care of all the formalities for you. It costs you nothing, you don't take the risk of being cut off and you don't have to do anything, we take care of the administrative part!
Contact

Dyneff faces customer reviews

The group is transparent about the opinions of its customers, they are available online on their website. At the time of writing, there are 73 Google reviews with an average score of 4.6/5. Customers appreciate Dyneff's telephone reception and customer service as well as the quality of the information.

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