The Marais Group is based today on three specialities:
1/ The historic speciality: the construction of innovative trenchers designed for sale and rental for the installation in France and abroad of all types of networks in all types of environment:
- Telecommunications (Optical Fibre, ...)
- Electricity (HTA, HTB, ...)
- Water, drainage
- Gaz, etc.
2/ Piloting the construction of turn-key telecommunication networks in partnership with our civil engineering customers in France and abroad.
This speciality is accompanied by an expertise and a technical consulting service which optimises the cost and lead times for construction.
3/ Operation of telecommunication networks constructed by Marais Group in the form of mutualisation. A speciality called “operator of operators”. Marais constructs its own telecommunication network and offers the opportunity to operators, access suppliers to the internet, public and private companies to buy or to rent the optical fibre and/or the broadband.

