Innovative, sustainable and value-creating solutions, locally and quickly
Discover the Ortec Environnement Nantes agency
The Ortec Environnement Nantes agency, expert in environmental services, will assist you with all types of work (sanitation, 3D hygiene, industrial cleaning, building maintenance…) and can provide you with practical and effective solutions.
expertises
With a network of local branches operating close to your facilities, the Ortec Group supports you in the maintenance, inspection, and upkeep of your wastewater and drainage networks.
Our teams provide:
- Cleaning, descaling, and unblocking of pipelines and drainage columns
- Pumping, emptying, and maintenance of septic tanks, grease traps, retention basins, and pumping stations
- CCTV inspection and diagnostic assessment of pipelines
- Management and disposal of non-hazardous waste generated during sanitation operations
Available 24/7 for emergency situations, our teams deliver fast and tailored interventions to ensure the proper operation, reliability, and longevity of your installations.
Ortec Group supports homeowners, local authorities, property management companies, and businesses with all their plumbing and network infrastructure needs.
Our teams provide:
- Leak detection and location services
- Installation of potable water supply and wastewater drainage networks
- Renewal and modernization of existing installations
- Repair and refurbishment of plumbing networks and sanitary equipment
Responsive and highly experienced, our teams deliver sustainable solutions to ensure the performance, reliability, and continuity of your hydraulic installations.
As a specialist in roadworks and utility network infrastructure, the Ortec Group carries out the construction, maintenance, repair, and rehabilitation of underground networks and associated structures.
Our services include:
- Earthworks and excavation works
- Renewal and repair of wastewater, stormwater, and potable water networks
- Construction and rehabilitation of service connections, manholes, and hydraulic structures
- Sanitation services associated with network infrastructure works
Our solutions ensure the reliability, compliance, and long-term durability of your infrastructure.
To extend the lifespan of your networks while minimizing disruptive excavation works, Ortec Group implements high-performance pipeline rehabilitation solutions.
Our teams provide:
- Cured-in-place pipe lining (CIPP) by inversion
- Pipeline relining solutions
- Resin spray lining
- Localized pipeline repair
These techniques can be applied to both underground utility networks and building drainage stacks, restoring the watertightness and performance of infrastructure while reducing intervention time and operational disruption.
Ortec Group helps you maintain healthy, safe, and compliant buildings and infrastructures through a comprehensive range of 3D hygiene services:
- Rodent control
- Insect control
- Disinfection services
- Disinfection and sealing of refuse chute systems
Our teams respond quickly to prevent and eliminate pest infestations while ensuring occupant safety and regulatory compliance across industrial facilities, commercial buildings, public sector sites, and residential properties.
Ortec Group provides installation, maintenance, and troubleshooting services for electromechanical equipment associated with water and wastewater networks.
Our technicians work on:
- Lift stations
- Pumps and pumping equipment
- Mechanical Ventilation Systems (MVHR/VMC)
- Potable water booster systems
- Anti-pollution shut-off devices
Drawing on recognized expertise and extensive field experience, we help ensure the reliability, continuity, and safety of your installations.
The agency’s services
Business sectors
Nuclear
Defense
Chemicals / Pharmaceuticals
Food Processing
Transport / Logistics
Aeronautics / aerospace
Renewable energies
Heavy Industries
Tertiary Services
Government & Local Authorities
Individuals
Oil & Gas - Petrochemicals
Building trade industry:
The Ortec Group assists in dismantling and rehabilitation projects for manufacturers and players in the building trade, from advice to total reconversion, by offering the most effective, responsible and economically viable solution for every situation.
Local authorities:
The Ortec Group can help towns and local authorities with their efforts to provide their residents with a healthy and pleasant living environment. In compliance with current environmental standards, Ortec offers local councils, schools (…) their expertise and appropriate solutions for each administration in order to ensure hygiene and cleanliness for the community.
Private individuals:
From diagnosis to implementation, the Ortec Group, through its local Ortec Environment branches, offers a wide variety of services to private individuals in their homes: drainage, dredging, pumping, cleaning, disinsectisation, maintenance, connection, plumbing works, etc. The Group offers turnkey services for the everyday home maintenance.
Tertiary:
The Ortec Group places all its experience and skills at the service of players in the tertiary sector. With the support of its local Ortec Environment branches, small and medium-sized businesses, property professionals, food retailers and hotel and restaurant operators can benefit from consulting services and solutions in the fields of sanitation, building maintenance, 3D hygiene, cleaning and even waste management.
Certifications
Prefectural declaration receipt 13:
The Ortec Environnement Nantes is a holder of the trading, brokerage and transport receipt for hazardous and non-hazardous waste (hydrocarbon water, acids or alkalines and aqueous industrial waste). It ensures health and safety conditions for producers, eliminators and any other waste disposal agents, and is able to transfer the collected waste under optimal conditions for subsequent recycling.
Non-Collective Sanitation Accreditation (ANC) :
The Ortec Environnement Nantes, a subsidiary of the Ortec Group, possesses the evacuation accreditation for the activity of draining and transportation to the disposal site of the materials extracted from the non-collective sanitation facilities.
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Ortec group breaking news
SOM Strengthens Its Position in the Railway Sector
SOM, the Ortec Group’s engineering subsidiary, is further strengthening its presence in the railway sector with the renewal of a strategic Project Owner Assistance contract.
The Ortec Group, through its subsidiary SONOVISION, will take part in the AD2S trade show, held from September 22 to 24, 2026, at the Bordeaux-Mérignac Convention Center.
As a partner to the aerospace and defense sectors, Sonovision will be attending the AD2S 2026 trade show in Bordeaux from September 22nd to 24th.
Ortec Environnement Le Havre Receives Two Safety and HSE Awards from TotalEnergies
The Tancarville agency, which specializes in industrial cleaning, has received two awards at the Normandy sites of its long-standing customer.