Grolleau Grolleau, builder of sustainable solutions

From 1950 to Today

From metal casing
to the connected cabinet

Founded in 1950, Grolleau quickly become reputed as a specialist in energy distribution metal casings. Acclaimed for its product reliability and quality, Grolleau innovates and ingrates its cabinet components and, more recently, has developed connected cabinets. This continuous improvement approach gives us a prime position on the French market.

Cabinets manufactured in 75 years

⁺ 500 000

Innovation and anticipation

Grolleau’s DNA

Grolleau has looked to the future since its founding, and has accompanied all the technological developments of recent decades. Digital television, fibre optics, GSM, 4G, soon 5G for telecom but also charging stations for electric vehicles for green mobility, and finally connected cabinets for the Smart City.

Message from the CEO

Your needs are varied, our areas of expertise multiple. Our solutions address the urban, telecom, green energy and industrial sectors. With an approach centred on innovation, our commitment is to satisfy you on a long-term basis, through robust solutions and effective collaboration combining expertise, flexibility, agility and performance.

Etienne DUGAS

CEO

Grolleau

OMP Mechtron

In 2023, Grolleau acquired 49.9% of the OMP Mechtron group, a European industrial player with a solid industrial history, specializing in mechanical and electronic integration, with 3 industrial sites worldwide (Italy, China). Grolleau completes its acquisition of 75% of OMP in September 2025.

Grolleau

Subsidiary of the Active’ Invest Group

In 2010, Active’ Invest took over Grolleau. With 500 employees and a turnover of €70M, Active’ Invest designs and manufacturers smart solutions for cities via its subsidiaries ARTS Energy and Grolleau. ARTS Energy batteries are integrated into Grolleau cabinets, which supply energy to various devices within the Smart City.

Vision and strategy

CSR Policy

International presence