Technical Consulting & Engineering in
Renens VD

NAO Energy SA

Since 2016 · 1–10 empl.·4.4(89)

NAO Energy SA is a company in the renewable energy sector that supplies and installs photovoltaic panels, heat pumps, energy storage batteries, solar carports, charging stations and thermodynamic water heaters. Its services include project assessment, system planning and installation, together with support for subsidy and funding enquiries.

GESTE Engineering SA

Since 2001 · 11–20 empl.·4.9(7)

The core activity of GESTE Engineering SA is the provision of engineering services, consulting and expertise in the field of mobility and safety, particularly in engineering for rail, urban and road transport. The company offers a wide range of services, including systems engineering, vehicle technology, signaling and automation, power supply, fire protection, equipment and digitalization.

Fluides Concepts SA

Since 1974 · 1–10 empl.

Fluides Concepts SA provides design, project development and management for sanitary and specialized industrial installations, and offers technical services in energy engineering, energy efficiency, applied research and scientific mediation. Its services include projects for administrative and residential buildings, pharmaceutical and medical industry projects, technical assistance to architects and clients, as well as legal expert assessments, optimization and maintenance of sanitary systems; the firm is ISO 9001/14001 certified and part of the Groupe Pierre Chuard.

AIC ingénieurs conseils SA

Since 1989 · 11–20 empl.

The core activity of AIC Ingénieurs Conseils SA is the provision of engineering and consulting services in the field of construction and civil engineering. Specifically, this includes the planning, design, implementation and supervision of construction projects, including the renovation and restoration of historic buildings, as well as the execution of special works in the field of hydraulic engineering and infrastructure.

Coastman Suisse Sàrl

Since 2012 · 1–10 empl.

Coastman Suisse Sàrl is an information technology and engineering firm providing consulting and project management services for IT transformation projects. Its offerings include ERP/SAP implementations, custom-built applications, warehouse management systems, business intelligence, interfaces, support and training.

Olivier Zahn & Associés Sàrl

Since 2017 · 1–10 empl.

The core activity of Olivier Zahn & Associés Sarl is the design and planning of heating, ventilation and air conditioning systems, as well as physical building planning. This also includes the renovation of existing systems, measurements and expert opinions, as well as the monitoring of heating and ventilation systems. The company offers its services in various fields, including education, administration, healthcare, residential buildings, schools, industry and trade.

Freezz SA

Since 2022 · 1–10 empl.

Freezz Sàrl develops communication systems and provides services to improve internet connectivity on Earth and in space. Its core offerings include Friilink (an integrated platform for seamless connectivity, real‑time monitoring and fleet management), Friisat (a solution that merges satellite communications with terrestrial mobile networks) and Friispace (user‑segment systems for Moon and Mars applications).

SwissInspect Sàrl

Since 2021 · 11–20 empl.

SwissInspect Sàrl provides AI-assisted, image-based inspection solutions and 3D damage mapping for concrete, masonry and steel structures. Services include drone data acquisition and flight planning, automated image analysis, and the PRIMA web platform for managing damage‑augmented digital twins, reporting and damage tracking.

TECPHY Sàrl

Since 2020 · 1–10 empl.

The core activity of Tecphy is the planning, installation and maintenance of photovoltaic systems as well as the development of solutions for energy storage using hydrogen (H2) and batteries. The company also offers services in the field of building energy efficiency and hydrogen mobility.

Chuard Ingénieurs Vaud SA

Since 2001 · 51–100 empl.·4.2(5)

Chuard Ingénieurs Vaud SA is an engineering office providing technical planning and engineering services. The website presents it as part of the Pierre Chuard group, but gives only limited details on its specific services.

Traject SA

Since 2021 · 11–20 empl.·5.0(3)

Traject SA is an engineering firm specializing in planning, development, and consulting in the field of transportation. The core activities include: Railway Engineering: planning and development of railway infrastructure; Road Engineering: planning and development of road infrastructure; Transportation Planning and Development: planning and development of transportation systems and networks; Smart City and Smart Mobility Strategies: consulting and development of strategies for intelligent cities and mobility solutions; Owner's Assistance: consulting and support for owners in the planning and implementation of transportation projects; Mobility Studies: conducting studies and analyses on mobility and transportation development; Transportation Economics: consulting and analysis in the field of transportation economics and financing.

Uzufly SA

Since 2020 · 11–20 empl.·5.0(1)

The core activity of Uzufly is the creation of digital 3D models of territories and the provision of solutions for the visualization, analysis and optimization of urban and territorial developments. The company offers its services in particular to developers in the real estate sector and to public institutions such as cities, municipalities and cantons, in order to help them plan, develop and manage their projects.