Overview

Delta Dore Group is a French company headquartered in Bonnemain, Brittany, founded in 1970. It employs roughly 500 to 1,000 people, is privately held, and has an estimated revenue band of $100 to 250 million. The company makes connected home and building automation products, including thermal management, security, window and door automation, and smart lighting, serving the building, home automation, and energy sectors. In September 2026, it launched SmartFlow with Survoltage, a partnership focused on energy management.

At a glance

What Delta Dore Group makes

The company holds ISO 9001 and ISO 14001 certifications and offers connected products in thermal management, security, automation, and energy management.

Certifications

Delta Dore Group is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 14001 — suppliers-from-bretagne.com

• ISO 9001 — suppliers-from-bretagne.com

Latest developments

• 2026-09-30 — Delta Dore déploie Oxalys pour digitaliser ses processus achats et fournisseurs - Actu DSI (actu-dsi.fr)

• 2026-09-11 — Delta Dore et Survoltage lancent SmartFlow (batiweb.com)

• 2026-09-07 — [Partenariat]🤝 Batistyl et Delta Dore: ensemble pour des logements plus confortables et plus performants (linkedin.com)

• 2026-05-08 — ETI en patience active : ce que dit Delta Dore de l'industrie (7jours.fr)

• 2026-03-12 — 🤝 Nouveau partenariat: Oknoplast fait confiance aux solutions Delta Dore pour la motorisation de ses volets roulants. (linkedin.com)

• 2026-02-20 — Delta Dore selects Oxalys to deploy its Source-to-Contract SRM solution (oxalys.com)

Company details

Delta Dore reported approximately 820 employees, six subsidiaries across Europe, and three manufacturing sites producing around 4.5 million units per year. Delta Dore Group was founded in 1970, has an estimated 500-1,000 employees, and is headquartered in Bonnemain, Brittany. On the LightSource stability read it is rated "Established & active": 56 years in operation (founded 1970). Holds ISO 14001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Delta Dore Group make?

Delta Dore Group is a French company headquartered in Bonnemain, Brittany, founded in 1970. It employs roughly 500 to 1,000 people, is privately held, and has an estimated revenue band of $100 to 250 million. The company makes connected home and building automation products, including thermal management, security, window and door automation, and smart lighting, serving the building, home automation, and energy sectors. In September 2026, it launched SmartFlow with Survoltage, a partnership focused on energy management.

Where is Delta Dore Group headquartered?

Delta Dore Group is headquartered in Bonnemain, Brittany (Le Vieux Chene, Bonnemain, Brittany, 35270).

When was Delta Dore Group founded?

Delta Dore Group was founded in 1970.

How big is Delta Dore Group?

Delta Dore Group has an estimated 500-1,000 employees, with revenue in the $100-250M range (estimated).

What certifications does Delta Dore Group hold?

Delta Dore Group lists ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.