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 et Saint Aubin

5

production sites

Marville, Toulouse, Saint Aubin, Vélizy et Bangalore (Inde)

Île-de-France

  • Vélizy

    Siège - Bureau d'Etudes - Site de production

    13 avenue Morane Saulnier - 78140 Vélizy-Villacoublay - FR

  • Bourges

    Antenne

    6 rue Albert Einstein - Bâtiment le Printemps - RdC - Locaux 16 et 17 - 18000 Bourges - FR

  • Lieusaint

    Antenne

    11 rue Georges Charpak - 77127 Lieusaint - FR

Sud-Ouest

  • Toulouse

    Agence - Bureau d'Etudes - Site de production

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

  • Bordeaux

    Agence

    16/18 rue Nicolas Leblanc - 33700 Mérignac - FR

  • Bayonne

    Antenne

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

  • Pau

    Antenne

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

  • Montpellier

    Antenne

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

Grand-Ouest

  • Nantes

    Agence

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

  • Brest

    Antenne

    555 rue Sénateur Pichon - 29200 Brest - FR

  • Angoulême

    Antenne

    144 route de Vars - 16160 Gond - Pontouvre - FR

  • La Rochelle

    Antenne

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

  • Lorient

    Antenne

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

  • Cherbourg

    Antenne

    3 Quai Général Lawton Collins - 50100 Cherbourg - FR

Sud-Est

  • Aix en Provence

    Agence

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

  • Toulon

    Antenne

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

  • Orange

    Antenne

    1 Bis Rue Félix Faure - 84100 Orange - FR

  • Lyon

    Agency

    148 avenue Jean Jaures - 69007 Lyon - FR

  • Grenoble

    Antenne

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

Nord-Est

  • Verdun

    Bureau d'Etudes - Site de Production

    Zone Industrielle de Marville - 55600 Marville - FR

Nord – Ouest

  • Rouen

    Bureau d'Etudes - Site de Production

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

  • Lille

    Antenne

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

Hors Métropole

  • Guyane

    Agence

    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.