Engineer in
Thônex

21 companies in Engineer based in Thônex — name and year of registration from the commercial register. The list below shows them all.

Companies

All 21 companies in Thônex

SAFELEC Sàrl Logo

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.

EngineerOIBT low-voltage installation inspectionElectrical safety consultingElectrical inspection quote
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
MAZZOLI Gestec SARL Logo

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.

EngineerStaff mouldingsSuspended ceilingsPlaster partitions & mobile partitions
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
BED'In Sàrl Logo

BED'In Sàrl

Since 2011 · 1–10 empl.

BED'In Sàrl is an independent consultancy specialising in building energy and building physics. It develops solutions for renovation and construction projects and provides expertise and training on sustainable building and energy solutions.

EngineerIndependent office specialising in building energyConsulting for sustainable renovation and constructionExpertise in building energy
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
PRIMCO SARL Logo

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).

EngineerProcess optimisationRotating machineryStatic equipment
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
ab ingénieurs sa Logo

ab ingénieurs sa

Since 1991 · 1–10 empl.4.1(8)

ab ingénieurs sa is an engineering consultancy working in civil engineering, structural design, geotechnics and the environment. It plans and supports building, bridge, infrastructure and specialist construction projects, and provides services including geotechnical investigations, environmental consulting and geothermal engineering.

EngineerBuildings and civil engineering structuresCivil engineering and infrastructureGeotechnics and special works
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Energy Plus Ingénieurs SA Logo

Energy Plus Ingénieurs SA

Since 2013 · 1–10 empl.5.0(2)

Energy Plus Ingénieurs SA is an engineering and consultancy firm specialising in building services, including heating, ventilation, plumbing and electrical systems. Its services include technical planning and coordination, BIM, energy audits, energy-efficiency optimisation and advice on renewable energy.

EngineerHVACSE EngineeringBIMEnergy solutions
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #6
HCC ingénieurs géomètres SA Logo

HCC ingénieurs géomètres SA

Since 1988 · 1–10 empl.1.0(1)

HCC ingénieurs géomètres SA is a surveying and geomatics firm. Its services include land surveying, 3D surveys, setting-out, geomonitoring and topography.

EngineerLand surveyingReal property3D surveys
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #7
Vernet SA Logo

Vernet SA

Since 2025 · 11–20 empl.

Vernet SA provides electrical planning and installation services. Its activities also include electrical safety inspections and repairs, network and IT cabling, Wi-Fi, alarm and video surveillance systems, and building automation.

EngineerElectrical installationsElectrical planningElectrical inspection and troubleshooting
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #8
Aequus Energy SA Logo

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.

EngineerEnergy efficiency solutionsVoltage optimisation (ICO-F)Micro-interruption protection (ICO-M)
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #9
Built-in Sàrl Logo

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.

EngineerIT and Telecommunications InfrastructureAudio-Video and Multimedia SolutionsEnergy and Systems Control
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #10
ENERLINK Sàrl Logo

ENERLINK Sàrl

Since 2003 · 1–10 empl.

ENERLINK Sàrl is an engineering consultancy specialising in building energy optimisation and heating, ventilation, air-conditioning and control systems. Its services include energy strategy and audits, engineering and planning, project support, and coordination of building services.

EngineerEnergy consulting and strategyPermits, certifications and subsidiesPlanning and monitoring of HVAC works
No score yet
KC

Keyser Consulting Sàrl

Since 2014 · 1–10 empl.

Engineer
No score yet

Engineer in Thônex

21EngineerCommercial register (Zefix) · as of November 6, 2026
2017Median year of registrationCommercial register (Zefix) · as of November 6, 2026
754in the Canton of GenevaCommercial register (Zefix) · as of November 6, 2026
16,286in SwitzerlandCommercial register (Zefix) · as of November 6, 2026
Locations

Engineer in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 6, 2026