Engineer in the
Canton of Geneva

LAYDEVANT SA

Since 1989 · 21–50 empl.·5.0(4)

LAYDEVANT SA is an electrical contracting company that carries out electrical installations, telecom and home-automation (low-voltage) systems, and the production and automation of doors and gates. Its services include consulting, technical studies, installation, conversions and maintenance for industrial, commercial and private clients.

CLIM DIFFUSION SERVICE Sàrl

Since 2017 · 1–10 empl.·4.9(12)

CLIM DIFFUSION SERVICE Sàrl is a distributor of components and systems for air conditioning, heat pumps, refrigeration and ventilation. The company supplies air‑conditioning units, heat pump systems, refrigeration and humidification equipment, circulation pumps and related accessories for residential, commercial and industrial applications.

Conti & Associés Ingénieurs SA

Since 1988 · 21–50 empl.·4.1(7)

Conti & Associés Ingénieurs SA is an engineering consultancy specialising in energy planning and building services. It designs and sizes heating, ventilation, cooling, plumbing and electrical systems, develops energy concepts and supports the optimisation of installations.

DomotiConcept Sàrl

Since 2016 · 11–20 empl.·5.0(8)

DomotiConcept Sàrl designs and integrates KNX-based building automation systems for residential and commercial buildings. Its services include planning, programming, commissioning and maintenance of systems for lighting, heating, shading, energy management, security, access and audiovisual applications.

EC SA

Since 1993 · 11–20 empl.·4.3(22)

The core activity of EC Electricité Genève is the provision of services and products in the field of electrical engineering, particularly in the installation, maintenance and repair of electrical systems and installations.

MICALODEAL SA

Since 1996 · 1–10 empl.·5.0(4)

MICALODEAL SA inspects, installs, renovates and maintains tanks for heating oil, petrol and chemical substances. Its services also include decommissioning tank systems, repairs, and work on tanks for chemical facilities and large storage depots.

Lombard Odier & Co Société en Commandite

Since 2016 · 11–20 empl.·4.7(3)

Lombard Odier & Co Société en Commandite is a private bank that provides wealth and asset management services. It offers tailored investment and wealth‑planning solutions for private and institutional clients and supplies banking technology and platform services to other financial institutions.

FEUER PRO TECH SA

Since 2022 · 1–10 empl.·5.0(18)

FEUER PRO TECH SA specialises in fire protection and thermal and acoustic insulation. Its services include fire safety audits and the installation and maintenance of solutions such as fire stopping, intumescent coatings, fire doors and technical insulation.

ZS Ingénieurs Civils SA

Since 1989 · 21–50 empl.·4.7(3)

ZS Ingénieurs Civils SA is a civil engineering firm that provides design and execution services for civil engineering projects. Its scope includes structural design and civil works as well as infrastructure projects such as roads, tram and rail lines, energy and distribution networks, sewage systems, river renaturation, renovations and project management.

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.

i-NEEA Sàrl

Since 2024 · 1–10 empl.·5.0(23)

i-NEEA Sàrl provides energy-efficiency and environmental services for buildings and businesses. Its work includes energy audits, building energy certifications such as CECB and CECB+, renovation and renewable-energy advice, and coordination of renovation projects.

DUPONT SA

Since 1997 · 1–10 empl.·4.1(14)

DUPONT SA plans and carries out electrical installations for both high- and low-voltage systems, including renovations and repairs. Its services also include project planning, inspections, data and communications networks, and fire and building safety.

AFRY Schweiz AG

Since 2012 · 51–100 empl.·5.0(1)

AFRY Schweiz AG provides consulting, digital, design and engineering services to accelerate the transition to a sustainable society. Its services cover sectors such as energy, buildings, water, infrastructure, environment, management consulting and digital solutions.

M+S Ingénieurs Conseils Sàrl

Since 2016 · 21–50 empl.·5.0(5)

M+S Ingénieurs Conseils Sàrl is a multidisciplinary engineering consultancy specialising in building services and building physics. It provides planning and advice for new buildings, extensions, conversions and renovations, including heating, ventilation, air conditioning, plumbing, electrical systems, building automation and energy.

Cotecna Afrique SA

Since 2019 · 51–100 empl.·5.0(1)

Cotecna Afrique SA provides testing, inspection and certification services. The company supports clients in agriculture, food, consumer products, metals and minerals, pharma, conformity verification and ESG solutions.

Techfina SA

Since 1957 · 11–20 empl.

Techfina SA designs and constructs turnkey plants for drinking water treatment and wastewater treatment. Services include engineering, 3D planning, supply and installation of key components, commissioning and testing, and operational support, as well as sludge treatment, removal of micropollutants, phosphorus recovery and energy recovery.

Petroleum Technical Company SA

Since 1960 · 11–20 empl.

The company Petroleum Technical Company S.A. (PTC) is a provider of solutions for the field of fluid transfer and distribution. The company's core activity includes the design, development, and delivery of products and systems for the safe and efficient transfer of fluids in various industries, including chemicals, pharmaceuticals, agro-food, and energy. The company offers a wide range of products, including pumps, components, fittings, flexible hoses, pistols, safety equipment, and other accessories. PTC works with renowned manufacturers and also offers services such as consulting, installation, maintenance, and repair. The company's core activity can be summarized as follows: Design and delivery of systems for fluid transfer and distribution, offering products and components for the safe and efficient transfer of fluids, and providing services such as consulting, installation, maintenance, and repair of systems and products.

FORVIS MAZARS SA

Since 1975 · 101–500 empl.

FORVIS MAZARS SA provides audit, assurance, tax and advisory services, including outsourcing, financial advisory, consulting and sustainability services. The firm serves clients across sectors such as financial services, real estate, manufacturing and life sciences and also offers private client services.

Géotechnique appliquée Dériaz SA

Since 1975 · 11–20 empl.

Géotechnique appliquée Dériaz SA is a geotechnical and civil engineering consultancy. It investigates subsurface conditions, operates a soil mechanics laboratory, and provides geotechnical studies, environmental and hydrogeological services, and in-situ measurements.

Geos Ingénieurs-Conseils SA

Since 1976 · 1–10 empl.

Geos Ingénieurs-Conseils SA is a consulting engineering firm working in civil engineering, geotechnics, hydraulics and the environment. It plans and supervises projects including dams and hydraulic works, transport and urban infrastructure, and buildings, providing services from design and detailed studies to construction management.

Perreten & Milleret SA

Since 1978 · 11–20 empl.

Perreten & Milleret SA is an engineering consultancy working in structural engineering, civil engineering and environmental engineering. Its services also cover geotechnical engineering, railway engineering and client-side project advice, with project support ranging from feasibility studies and design to tendering and construction supervision.

DIETSMANN SA

Since 1978 · 11–20 empl.

Dietsmann is a provider of maintenance and repair solutions for industrial facilities, particularly in the energy and raw materials sectors. The company's core activity involves the development and implementation of innovative technologies and services to improve the planning, safety and efficiency of maintenance and repair work. This also includes comprehensive condition and emissions monitoring as well as the provision of advanced technologies to support these processes.

Rhône-Electra Engineering SA

Since 1978 · 1–10 empl.

Rhône-Electra Engineering SA is an electrical engineering consultancy. It plans electrical installations and supports their implementation, with services covering security systems, energy distribution, and the inspection and assessment of electrical installations.

B+S ingénieurs SA

Since 1982 · 21–50 empl.

The core activity of B+S ingénieurs SA is engineering in the field of construction, particularly in the areas of structural engineering (load-bearing structures and civil engineering works), civil engineering (roads, development, pipelines and earthworks) as well as environmental technology and sustainable development. The company provides consulting and planning services for construction projects and is involved in various projects, such as the renovation of bridges, the construction of new buildings and the renovation of historic buildings.

MCM Management, Control and Maintenance SA

Since 1982 · 21–50 empl.

The core activity of MCM is the rental and management of special containers for the transport of liquid goods, in particular ISO tank containers, swap tanks and gas tanks. The company also offers a range of services such as maintenance, repair, insurance and logistics to support the transport of liquid goods.

Ney & Hurni SNC

Since 1984 · 1–10 empl.

Ney & Hurni SNC is a geomatics and surveying practice offering official and technical surveying services as well as spatial planning and environmental consulting. Its services include terrestrial and mobile LiDAR, drone photogrammetry, GIS/BIM data management, hydrology, metrology/monitoring and non‑destructive testing (NDT).

DURLEMANN ENERGIES SA

Since 1985 · 1–10 empl.

The core activity of Durlemann Energies is the installation, maintenance and repair of heating systems, including renewable energy systems such as pellet heating, photovoltaic systems and geothermal energy. The company also offers energy consulting, planning and services, including energy audits and optimization.

AAB - J. Stryjenski & H. Monti SA

Since 1985 · 1–10 empl.

AAB - J. Stryjenski & H. Monti SA is a consultancy specialising in building and environmental acoustics and building physics. Its services include advice for construction and planning projects, acoustic measurements, expert assessments and evaluations of existing conditions.

Amstein + Walthert Genève SA

Since 1986 · 51–100 empl.

Amstein + Walthert Genève SA is an engineering and consulting firm providing technical planning and advisory services for buildings and real estate. Its services include building services engineering (electrical, HVAC, plumbing), energy and climate concepts, facility management, coordination, sustainability and BIM/VDC services.

Trafitec Ingénieurs Conseils SA

Since 1988 · 1–10 empl.

Trafitec Ingénieurs Conseils SA is an engineering firm specializing in transport and mobility. The company provides network planning and public-space design, traffic management, parking studies, and consultancy on public transport, construction site coordination and impact assessments.

QMT Suisse SA

Since 1989 · 11–20 empl.

QMT Suisse SA develops customised systems for industrial testing and quality control. Its solutions include automated visual defect detection, precision dimensional measurement, electromechanical testing, machine vision and software.

Erte Ingénieurs Conseils SA

Since 1990 · 1–10 empl.

Erte Ingénieurs Conseils SA is an engineering consultancy specialising in building services. It plans, calculates, coordinates, installs and optimises heating, ventilation, air-conditioning, sanitary, electrical and solar-energy systems, and provides studies, construction supervision and maintenance.

Peak Partners Blue SA

Since 1991 · 1–10 empl.

Peak Partners Blue SA supports the development of solutions for water preservation and conservation. Its activities include backing solar-powered irrigation solutions and collaborating with EF Polymer on water-retaining products for agriculture.

PSA - PERRIN, SPAETH & ASSOCIES - BUREAU D'INGENIEURS CONSEILS SA

Since 1992 · 11–20 empl.

PSA (Perrin, Spaeth & Associés) is an engineering firm specializing in the planning and development of complex and innovative electrical installations. The company's core activity is the creation of studies and projects in the field of electrical engineering, particularly in the areas of high voltage, low voltage and renewable energies. The company works closely with architects and builders to develop customized solutions for their projects.

Techniserv SA

Since 1993 · 1–10 empl.

Techniserv SA qualifies and validates cleanrooms and controlled laboratory and hospital environments. Its services include testing, maintenance and repair of laminar-flow systems and safety cabinets, decontamination, and inspection and servicing of laboratory equipment.

Helveos SA

Since 1993 · 1–10 empl.

Helveos SA is an engineering consultancy active in civil engineering, geotechnics, energy, water and hydraulic structures. The company plans and supports projects in these fields, including buildings, infrastructure, water supply, wastewater, energy systems, dams and flood protection works.

Schumacher & CHIngS Ingénieurs SA

Since 1994 · 11–20 empl.

Schumacher & CHIngS Ingénieurs SA is an engineering firm focused on building services engineering, including heating, ventilation, air conditioning, sanitation, electrical systems, building automation, and safety and security. The company provides consulting, interdisciplinary coordination, project management, expert assessments, audits, and client support services.

Vert Demain Sàrl - Spécialiste en Transition Energétique

Since 1995 · 11–20 empl.

Vert Demain Sàrl - Spécialiste en Transition Energétique provides technical building services and energy-transition solutions. Its activities include heating systems, solar panels, insulation and energy audits, as well as energy solutions for new buildings, renovations and existing installations.