Technical Consulting & Engineering in
Thônex

SAFELEC Sàrl

Since 2012 · 1–10 empl.·5.0(5)

The core activity of Safelec Sàrl is to carry out inspections and safety tests of electrical installations in Switzerland, particularly in the field of low-voltage installations, based on the Ordinance on Electrical Low-Voltage Installations (OIBT). This includes verifying compliance with safety standards, creating safety reports and supporting customers in meeting legal requirements.

BED'In Sàrl

Since 2011 · 1–10 empl.

Bed'In is an independent office specializing in the energy efficiency of buildings. The company's core activity is to develop simple and sustainable solutions for the renovation and construction of buildings to improve energy efficiency and reduce environmental impact. To this end, the company offers expertise, consulting and support in the planning and implementation of energy efficiency measures.

PRIMCO SARL

Since 2016 · 1–10 empl.

The core activity of PRIMCO SARL is the provision of technical assistance services to the chemical, petrochemical, oil refining and energy production industries. In particular, the company focuses on optimizing process performance, reliability and integrity of production facilities and equipment. Specific services include, among others, conducting CO2 balances, life cycle analyses, risk analyses related to climate uncertainties, as well as support for environmental certification and sustainability reporting (CSRD).

ab ingénieurs sa

Since 1991 · 1–10 empl.·4.1(8)

ab ingénieurs sa provides civil engineering consultancy services covering structural design, geotechnical and special works, civil infrastructure and environmental engineering. Services include feasibility and execution studies, in‑situ and laboratory geotechnical testing, geothermal studies, contaminated‑site assessment and remediation, deconstruction/environmental follow‑up, and design of outdoor infrastructure.

MAZZOLI Gestec SARL

Since 2001 · 1–10 empl.·5.0(7)

MAZZOLI Gestec SARL provides staff and moulding work, designs and installs suspended ceiling systems, and carries out plaster and movable partition wall installations.

Energy Plus Ingénieurs SA

Since 2013 · 1–10 empl.·5.0(2)

Energy Plus Ingénieurs SA is an engineering firm specializing in the areas of CVSE (Heating, Ventilation, Sanitary, Electricity) and energy efficiency. The core activities include: Engineering services for CVSE projects (heating, ventilation, sanitary, electrical); Building Information Modeling (BIM); Energy audits and consulting (CECB, CECB Plus, Minergie, etc.); Development of renewable energy solutions; Project management and implementation in the field of energy efficiency and sustainability. The company offers its customers a comprehensive range of services to improve their energy efficiency and develop sustainable solutions for their buildings and facilities.

Qualitz Sàrl

Since 2022 · 1–10 empl.

The core activity of Qualitz is the quality assurance and technical due diligence of large-scale solar power plants in Europe and Central Asia. This includes engineering, quality assurance, technical assistance and the implementation of Post-Construction Functionality Checks (PCFC) to ensure that the plants operate reliably and efficiently.

HCC ingénieurs géomètres SA

Since 1988 · 1–10 empl.·1.0(1)

The core activity of HCC ingénieurs géomètres SA is the provision of services in the fields of geomatics and engineering, particularly in the following specific areas: surveying, geoinformatics, property management, 3D surveying, construction planning, structural stability, topography, consulting, decision support, management, precision measurement, quality control, warranty, and reliability. The company offers these services as an engineering firm with specialized employees, including engineers, technicians, and geomaticians.

Vernet SA

Since 2025 · 11–20 empl.

VERNET SA is a company active in electrical installation and building technology. It plans, installs, inspects and repairs electrical systems, and also provides network, alarm and video surveillance solutions.

Aequus Energy SA

Since 2025 · 1–10 empl.

Aequus Energy SA develops energy-efficiency solutions for businesses. The company offers systems for voltage optimisation, micro-interruption protection and energy monitoring.

Built-in Sàrl

Since 2025 · 1–10 empl.

Built-in Sàrl provides study, consulting, design, implementation, and maintenance services for technological solutions in audio-video, multimedia, energy management, control, surveillance, IT, telecommunications, and home automation. The company also creates and commercializes customized technology solutions.

ENERLINK Sàrl

Since 2003 · 1–10 empl.

The core activity of Enerlink is the planning, implementation and optimization of energy efficiency solutions for buildings, particularly in the areas of heating, cooling, ventilation and air conditioning. The company provides consulting, engineering and planning services to improve the energy efficiency of buildings while simultaneously increasing user comfort.