lgm

Who are we?

Based in France, our company relies on a strong network of national locations. Our headquarters serves as a center for decision-making, innovation, and coordination, guiding our global actions while staying connected to local realities.

Established in France for over 30 years, LGM supports its clients in engineering and managing complex systems and infrastructures.

We are involved in creating innovative solutions that help industries build reliable, sustainable, and safe systems while minimizing their environmental impact.

LGM brings together over 1,500 employees and provides a strong geographical presence with locations in France, Europe, and around the world, including Germany, Belgium, Spain, Italy, India, Canada, and Morocco. With more than 30 years of experience, LGM operates in key industries to support its clients at every stage of their projects.

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Local presence

23

agencies in France

3

design offices

Toulouse, Vélizy and Saint Aubin

5

production sites

Marville, Toulouse, Saint Aubin, Vélizy and Bangalore (India)

Ile-De-France

  • Vélizy

    Headquarters - Design Office - Production Site

    13 avenue Morane Saulnier - 78140 Vélizy-Villacoublay - FR

  • Bourges

    Local Branch

    Technopole Lahitolle - 2, rue Jules Marnier - 18000 Bourges - FR

  • Lieusaint

    Local Branch

    11 rue Georges Charpak - 77127 Lieusaint - FR

South-West

  • Toulouse

    Agency - Design Office - Production Site

    1 rue Emmanuel Arin Euclide - B4 - ZAC St Martin du Touch - 31300 Toulouse - FR

  • Bordeaux

    Agency

    16/18 rue Nicolas Leblanc - 33700 Mérignac - FR

  • Bayonne

    Local Branch

    3 rue Hélène Boucher - Espace technologique Jean Bertin - 40220 Tarnos - FR

  • Pau

    Local Branch

    2 Avenue Pierre Angot - Immeuble Lavoisier - 64000 Pau - FR

Great West

  • Nantes

    Agency

    Parc de l’Angevinière - 15, Boulevard Marcel Paul – Bât B - 44800 Saint-Herblain - FR

  • Brest

    Local Branch

    555 rue Sénateur Pichon - 29200 Brest - FR

  • Angoulême

    Local Branch

    144 route de Vars - 16160 Gond - Pontouvre - FR

  • La Rochelle

    Local Branch

    30 rue du dix huit juin - Immeuble le plazza - 17138 Puilboreau - FR

  • Lorient

    Local Branch

    3 rue du sous marin Vénus - Bâtiment Celtic Submarine 2 - 56100 Lorient - FR

  • Cherbourg

    Local Branch

    3 Quai Général Lawton Collins - 50100 Cherbourg - FR

South-East

  • Aix en Provence

    Agency

    Avenue Guillibert de la Lauzière - Europarc de Pichaury - Bâtiment B7 - 13300 Aix-en-Provence - FR

  • Toulon

    Local branch

    540 Boulevard de l'Europe - Bâtiment C1 - Business Park des Playes - 83500 La Seyne-Sur-Mer - FR

  • Orange

    Local branch

    1 Bis Rue Félix Faure - 84100 Orange - FR

  • Lyon

    Agency

    148 avenue Jean Jaures - 69007 Lyon - FR

  • Grenoble

    Local Branch

    32-34 et 36 Rue Gustave Eiffel - Quartier Bouchayer Viallet - 38000 Grenoble - FR

  • Montpellier

    Local Branch

    1 Ter rue de la Garrigue - ZA du Bosc - Bâtiement Hélios - 34130 Mudainson - FR

  • Cannes

    Local Branch

    4 Allée des Cormorans - 06150 Cannes-La-Bocca - FR

North-East

  • Marville

    Design Office - Production Site

    Zone Industrielle de Marville - 55600 Marville - FR

North-West

  • Rouen

    Design Office - Production Site

    Rue des Novales - 76410 Saint-Aubin-lès-Elbeuf - FR

  • Lille

    Local Branch

    100 rue de Lannoy - 59650 Villeneuve-D'Ascq - FR

Outside Metropolitan Area

  • Guyane

    Agency

    1 avenue Gustave Charley - Immeuble Faic - Route de Montabo - 97300 Cayenne - FR

Solutions

01

Safety & Systems 

excellence
02

Supportability &
Asset Management
03

Projects

& Performance
04

Critical 

Electronics
05

Digital

& AI
06

Consulting

& Training

Sectors

(7)

Alongside industry and infrastructure champions, we ensure the security, optimization, and reliability of complex projects and critical assets.

©LGM/ 2025