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Antea Group

Antea Group is an engineering and environmental consulting company serving public- and private-sector clients in France and internationally.

Last updated September 25, 2026

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Overview

Antea Group is an engineering and consulting company focused on environmental issues and resilience, including climate resilience. This dossier concerns the French Antea Group entity: the supplied reference identifies Antea Group (France) as a company in Olivet, France, and its official French website describes its engineering and consulting services and operations. The company’s roots extend to activities that began within France’s BRGM, the French geological survey. Antea was established in 1994 through the spin-off of BRGM’s engineering and consulting activities. The French company is part of the wider Antea Group brand, which was adopted in 2011 after Dutch group Oranjewoud acquired ANTEA in 2009 and brought its global engineering and consulting activities together under that name. Its services cover water, industrial environment, infrastructure, environmental data acquisition and valuation, measurement of water and air, and air, odour and health topics. Water-related work includes support for water-resource management and reuse, groundwater and surface water, water treatment, hydraulic planning, drinking-water and sanitation infrastructure, stormwater management, and aquatic-environment restoration. The company serves local authorities, industrial businesses, private clients and institutional clients. Its French site also describes international project work and says that a network of more than 30 subsidiaries, branches or project offices enables it to deploy teams in many countries. Antea Group France’s history also includes acquisitions that expanded its service range, notably TSC in 2012, Geo-Hyd in 2013 and IRH Environnement in 2015. In December 2022 it acquired TLG Pro, strengthening its expertise in industrial IT, environmental data management and monitoring. The supplied evidence does not establish the group’s current ultimate owner, listing status, or named founder.

History

The French Antea Group’s roots reach back to the 1950s, when some of its activities were carried out within BRGM, then known as the Bureau de Recherches Géologiques et Minières and now France’s geological survey. The company’s official history identifies 1994 as the year ANTEA was created through the spin-off of BRGM’s engineering and consulting activities. The evidence does not name an individual founder. In 2009, Dutch group Oranjewoud, whose activities included civil engineering, railway engineering and the environment, acquired ANTEA. In 2011, Oranjewoud brought its worldwide engineering and consulting activities together under the Antea Group brand. The French company subsequently expanded through acquisitions. In 2012 it acquired TSC – Territoires Sites & Cités, specializing in territorial planning. In 2013 it acquired Geo-Hyd, specializing in integrated water-resource management, information systems and environmental data management. In 2015 it acquired IRH Environnement, whose expertise covered water, air and the environment. The company’s official history says that the latter acquisition doubled the company’s size in France and strengthened its position in environmental engineering and consulting. In December 2022, Antea Group acquired TLG Pro, a company specializing in industrial IT. The official history says the combination strengthened the group’s expertise in data management and environmental monitoring. Today, the French website presents Antea Group as an engineering and consulting provider serving environmental and climate-resilience needs. Its service portfolio includes water, industrial environment, infrastructure, environmental data, measurement, and air, odour and health expertise. In water, it describes work in resource management, reuse, treatment, groundwater and surface water, hydraulic planning, public-service performance, water and sanitation infrastructure, stormwater management, aquatic habitat restoration and biodiversity. The website identifies local authorities, industrial businesses, private clients and institutional clients as customers. It also describes international projects and a network of more than 30 subsidiaries, branches or project offices. The supplied evidence identifies Olivet, France, as the company’s location but does not establish current ultimate ownership or listed status.

  • 2022

    Acquisition of industrial IT company TLG Pro in December

  • 2015

    Acquisition of IRH Environnement

  • 2013

    Acquisition of Geo-Hyd

  • 2012

    Acquisition of TSC – Territoires Sites & Cités

  • 2011

    Oranjewoud brought its global engineering and consulting activities together under the Antea Group brand

  • 2009

    Dutch group Oranjewoud acquired ANTEA

  • 1994

    ANTEA established through the spin-off of BRGM engineering and consulting activities

Products and positioning

An engineering and consulting group focused on environmental services and climate resilience, with integrated expertise spanning water, industry, infrastructure and environmental data.

  • Water engineering and consulting

    Services for water-resource management and reuse, groundwater and surface water, water treatment, hydraulic planning, water infrastructure and aquatic environments.

  • Environmental and industrial services

    Environmental engineering and consulting, including industrial-environment expertise and environmental measurement and monitoring.

  • Infrastructure services

    Engineering and consulting for infrastructure, including drinking-water and sanitation infrastructure.

  • Environmental data services

    Environmental data acquisition and valuation, management, and monitoring.

Sources5 sources

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