Previously known under Terre Armée, we have forged an unrivalled level of expertise and experience in reinforced backfill applications and soil-structure interaction. We are opening a new chapter of our history with a unified identity, Geoquest, that embodies our expertise in geotechnical engineering and the constant pursuit of innovative solutions and excellence. A new name, more coherent with our diverse solutions that are defined by four functions corresponding to the purpose of the structure to be designed: RETAIN, CROSS, PROTECT, STRENGTHEN.
Over the last 60 years, Geoquest has been setting the gold standard in reinforced earth structures and has played an active role in over 100,000 projects around the world.
OUR VALUES
Safety
Ensuring safety on our sites is our top priority towards our employees worldwide. We are fully committed to realizing our goal of a zero-accident rate; our regulations, our rigid rules and our in-house tools guarantee that we will achieve this ambition.
Autonomy and Tranversality
Anticipating the opportunities of our evolving markets, we pursue our international development combining our global competence with our local networks to further enhance our range of services. We empower our local managers to be responsive to the needs of their clients, while supporting them with the strengths and resources of a global Group.
Technical and Operational Excellence
Innovation has been intricately woven into the fabric of Geoquest since its inception. Since its invention by Henri Vidal in 1963, the Reinforced Earth® technology has been enhanced by numerous technological breakthroughs. We at Geoquest continue to keep our founder’s pioneering legacy alive by adopting an active research and development policy and investing considerable resources.
Client focus
No two projects will ever be alike. Each contract and each client have their own list of specifications, meaning that the project will be unique. We pride ourselves on providing construction solutions that are specific to your project and adapted to your needs. We will partner with you to solve your project’s challenges while providing an excellent client experience.
CLIENT TESTIMONIALS
Our History
Patent filed for Reinforced Earth.

Patent filed for Reinforced Earth.

Company Terre Armée founded.
First major structures built on the A53 (France)
First load-bearing abutment completed in Strasbourg (France).

Patent filed for the TerraClass precast concrete cruciform facings. First overseas subsidiary founded: Reinforced Earth in Canada.
The Reinforced Earth Company founded in the USA.
Tierra Armada founded in Spain.
The company broke the 100,000 m² barrier in terms of Reinforced Earth walls built around the world.
First inclined storage structure (USA).
Recommendations and best practices published in France for Reinforced Earth structures (SETRA).
Welded wire mesh facings launched (TerraTrel).
TechSpan arches launched (in Spain and then Canada).
The company broke the 10 million m² barrier in terms of Reinforced Earth walls built around the world.
Terre Armée incorporated into the Freyssinet Group, thereby expanding its product range with Freyssisol, a process based on geosynthetic reinforcements.
GeoMega system launched.
Terre Armée India founded.
Slaton Brothers acquired in the USA.
Soletanche Freyssinet created as a parent company for Soletanche Bachy, Menard, Geoquest, Freyssinet and Nuvia.
Geoquest celebrated the 50th birthday of the Reinforced Earth patent.
The company broke the 50 million m² barrier in therms of Reinforced Earth structures built around the world.
Geoquest India built the tallest Reinforced Earth® structure in the history of the company in Thindharia, India, raising at 102.8m.
The company broke the 70 million m² barrier in terms of Reinforced Earth® structures built around the world.
Geoquest celebrated the 60th birthday of the Reinforced Earth® patent.
Terre Armée becomes Geoquest


