Our subsidiaries

GTT and its subsidiaries support their customers and partners through all project phases. Our worldwide presence allows us to maintain a close relationship with our customers and partners.

GTT Head Office
1, route de Versailles
78470 Saint-Rémy-lès-Chevreuse
FRANCE

Our subsidiaries around the world

Ascenz Marorka - Digital solutions for Smart Shipping
33 Ubi Avenue 3,
#04-08, Vertex,
Singapore 408868
SINGAPORE
Website

Bæjarlind 2,
201 Kópavogur,
ICELAND

Cryovision - Maintenance, testing and monitoring for the LNG shipping industry
114 bis rue Michel-Ange,
75016 Paris
FRANCE
Website

Danelec
Hørmarken 2
3520 Farum
Denmark
Website

Elogen - PEM electrolysis for green hydrogen
8 Avenue du Parana,
91940 Les Ulis
FRANCE
Website

GTT North America
3 Riverway, Ste. 1140,
Houston, TX 77056
UNITED STATES OF AMERICA

GTT China
Suite 3502 BEA Finance Tower,
66 HuaYuanShiQiao Road, Pudong,
Shanghai 200120
CHINA

GTT SEA PTE Ltd
160 Robinson Road, #27-05
SBF Centre,
Singapore 068914
SINGAPORE

GTT Middle East
Office No. 9, Floor No. 2,
Burj Al Mana Tower,
Building No. 42, Zone No. 60, Street No. 850,
Doha, Qatar

GTT Training Ltd
c/o Gulls Cry, Oakhill Road,
Seaview
Isle of Wight, PO34 5AP
UNITED KINGDOM
Website

OSE Engineering - AI and data analytics for industrial process
1, route de Versailles
78470 Saint-Rémy-lès-Chevreuse
FRANCE
Website