• About us

The Naldeo group is composed of four divisions:

Naldeo logo


Our historic subsidiary, which gave its name to the group, offers a full range of engineering expertise and services, including technical and environmental studies, diagnosis, simulation and calculation, project oversight, construction work monitoring and acceptance, as well as project management office.

It employs 140 engineers and technicians spread over 9 sites in France. It manages around 1,000 projects a year.

Teams cover various technical field – process, thermal, hydraulic, civil engineering, electrical, automation, etc. They are supported by specialists in 3D design, building information modelling (BIM), geographic information systems (GIS), process modelling and more.

Naldeo Public Strategies logo

Naldeo Public Strategies

This subsidiary is dedicated to supporting cities, communities, and administrations, advising them on their energy and climate transition, as well as on the development and management of their water, wastewater, waste recovery, local energy production and distribution, as well as district heating infrastructures.

It employs around 40 consultants spread over three sites, who handle around 200 projects a year. It brings together technical, financial, and contractual skills, as well as specialists in organization and skills, public law, and information systems. These consultants work exclusively on public-sector projects related to local communities’ sustainable development, in order to prevent any conflict of interest. They carry out assignments relating to strategy and organization, environmental planning, project development and contract performance optimization.

Naldeo Technologies & Industries logo

Naldeo Technologies & Industries

With its 60 engineers and consultants in 4 locations across France, this branch supports industrial groups, utilities, energy companies and renewable energy developers, as well as Greentech startups. It carries out around 300 projects a year, focusing on energy and industrial performance, infrastructure project sizing and design, environmental risk management, compliance, resilience, and innovation in Greentech.

The successor to Bertin Energie Environnement, it has built up a strong reputation in the industrial sector, as well as in technology consulting and innovative process engineering, right through to pilot and prototype production.

Naldeo Digital for Climate logo

Naldeo Digital for Climate

This division provides technology and digital consulting services. It develops in-house data and digital solutions for the energy and climate transition. It brings together around twenty multidisciplinary climate and environment experts, as well as cutting-edge digital specialists (data analysts, developers, IT architects, etc.).

Services include modelling of prospective scenarios, development of decision support solutions and data management platforms. For example, the company has developed Enerbird, an EMS (Energy Management System) for renewable energy project developers and manufacturers, enabling them to optimize their energy systems (e.g. PV and batteries).