Engineer in
Plan-Les-Ouates
42 companies in Engineer based in Plan-Les-Ouates — name and year of registration from the commercial register. The list below shows them all.
All 42 companies in Plan-Les-Ouates
Contexa SA
Since 1999 · 51–100 empl.4.1(9)
The company Contexa develops and manufactures innovative dosing and automation systems for the perfume and flavor industry. The core activity of the company is to offer customized solutions for the dosing and automation of perfume and flavor manufacturing processes, in order to improve the efficiency, flexibility and quality of production.
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.
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.
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.
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.
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.
ELITEC SA
Since 2005 · 11–20 empl.
ELITEC SA designs and builds electrical control panels for building automation and heating, ventilation and air-conditioning applications. Its services also include building and home automation, control systems, technical studies and the preparation of electrical schematics.
BETELEC SA ingénieurs-conseils en électricité, succursale de Plan-les-Ouates
Since 2006 · 11–20 empl.
BETELEC SA ingénieurs-conseils en électricité, succursale de Plan-les-Ouates provides electrical engineering consultancy. Its services cover the planning and delivery of projects involving electrical installations, energy and building safety, as well as BIM and energy consulting.
MS Electro Contrôle SA
Since 2010 · 1–10 empl.
MS Electro Contrôle SA is an independent electrical safety inspection body. It carries out periodic, final, acceptance and one-off inspections of electrical installations, and provides expertise and advice on their safety and compliance.
M2O SWISS Sàrl
Since 2012 · 1–10 empl.
M2O SWISS Sàrl is part of the M²O Group, which operates in the industrial machinery sector. The group’s activities include special-purpose and transfer machines, robotics, industrial maintenance, retrofitting and industrial relocation.
STUDIUM CONSEIL Sàrl
Since 2013 · 1–10 empl.
Tech'Firm Information Systems SA
Since 2015 · 1–10 empl.
Tech'Firm Information Systems SA provides consulting and specialists in IT and digital technologies. Its consultants help companies transform and improve information systems, including projects involving Agile, DevOps and core banking systems, from design through implementation.
CC-Climatherm Sàrl
Since 2016 · 1–10 empl.
The company's core activity encompasses the planning, implementation and optimization of heating, ventilation and air conditioning (CVC) systems, including: energetic optimization of buildings, creation of energy certificates (CECB), calculation of heating cost indices (IDC) and energy consumption standards (SRE), hydraulic and aerodynamic balancing measures, installation and optimization of control systems and building automation, energy audits and consulting, planning and implementation of solar systems (thermal and photovoltaic), application for building permits and subsidies, and certification of systems (e.g. Minergie, PAC-System-Modul). The company offers these services to both private and commercial clients, working in collaboration with a network of partners.
RC Ingénierie SA
Since 2017 · 1–10 empl.
RC Ingénierie SA is an engineering firm providing civil engineering services focused on water and environmental management. Its offerings include planning and advisory services, hydraulic and hydrodynamic studies and calculations, monitoring and field campaigns, urban drainage and sanitation design, river restoration, flood-risk mapping, and project-owner assistance and construction follow-up.
Adexsoil Sàrl
Since 2017 · 1–10 empl.
The core activity of ADEXSOIL is environmental consulting and engineering, particularly in the field of remediation of contaminated sites and buildings. This includes: environmental analyses and diagnostics, assessment of pollutants in buildings and soils, development of remediation plans and concepts, consulting on decontamination and disposal of pollutants, and support in the implementation of environmental protection measures. The company offers its services primarily in the Lake Geneva region in Switzerland.
LAPORTE EURO SA
Since 2020 · 1–10 empl.
LAPORTE EURO SA is an engineering company serving the pharmaceutical, food, industrial biotechnology and industrial sectors. Its services include feasibility studies, process optimization, plant design and project management, as well as commissioning and qualification.
EDAPHOS ENGINEERING SA
Since 2021 · 1–10 empl.
Edaphos Engineering is an engineering firm specializing in planning and consulting in the field of soil and environmental management. The company's core activity includes conducting soil investigations, planning environmental projects, and advising clients from various industries, such as architectural firms, construction companies, and operators of landfills and quarries.
Siléane CH Sàrl
Since 2021 · 1–10 empl.
Siléane CH Sàrl develops and manufactures special industrial machines that combine robotics, machine vision and artificial intelligence to automate handling tasks in random or unknown production contexts. The company supplies standardized robotic products (e.g. FLOWPICK, ROVALDY, KAMIDO) and provides R&D services, Industry 4.0 technologies and after‑sales support for sectors such as food, pharma, cosmetics, automotive, logistics and recycling.
DSSA Ingénieurs Conseils SA
Since 1988 · 1–10 empl.
SWISSTECH concept Sàrl
Since 2017 · 1–10 empl.
SWISSTECH concept Sàrl is a lighting company that develops lighting solutions and supports lighting projects. It creates intelligent luminaires and makes custom LED profiles, and offers indoor and outdoor lighting, architectural lighting and fans.
Solfor SA
Since 1968 · 21–50 empl.4.3(3)
The core activity of Solfor SA is to provide engineering services in the field of construction, particularly in the areas of: mobility infrastructure, public space design, water and wastewater management, construction of concrete structures, and laboratory testing for road infrastructure. The company thus offers a wide range of services in the field of civil engineering, from planning and execution of infrastructure projects to laboratory testing and expert opinions.
Technoplan Engineering SA
Since 1998 · 11–20 empl.3.0(2)
The core activity of Technoplan Engineering SA is the development and provision of solutions for the blow molding industry, particularly in the areas of energy efficiency and spare parts for blow molding machines. This includes: the development of energy recovery and optimization systems, such as the ARS system (Air Recovery System) and the TOEO system (Ceramic panels for ovens); the manufacture and distribution of spare parts for blow molding machines, such as the OVR 10 series (Olicorp Replacement Spare Parts); and the provision of customized solutions for the blow molding industry, including the development of specific systems and the supply of OEM parts. The company positions itself as an expert in blow molding technology and offers solutions aimed at improving energy efficiency and productivity in the industry.
MS Projets Sàrl
Since 2022 · 1–10 empl.
The core activity of MS Projets SARL is the provision of engineering and drafting services, specialized in the field of electrical engineering. The company offers consulting, planning and implementation of projects in the field of electrical engineering and supports customers in the realization of their projects.
Hiro Robotics SA
Since 2025 · 1–10 empl.
Hiro Robotics SA develops robotics- and AI-based systems for the automated disassembly and recycling of electronic waste. The company provides solutions for unscrewing, dismantling and sorting components such as displays, printed circuit boards and photovoltaic modules.
Després Sàrl
Since 2025 · 1–10 empl.
Després Sàrl provides energy studies and building energy consulting services. The company supports private owners, property managers and architects with energy optimisation, renovation and new-build projects, as well as certification and subsidy applications.
Protectas Technology SA
Since 2024 · 1–10 empl.1.0(1)
Protectas Technology SA provides electronic security solutions for businesses, including intrusion detection, video surveillance, access control, lone‑worker protection, cloud security services, and maintenance. The company acts as a systems integrator and offers design, integration, remote services and specialized support.
Swizlink SA
Since 2026 · 1–10 empl.
Swizlink SA plans, installs and maintains telecommunications infrastructure for fixed and mobile networks. It supports network operators and public-sector organizations with fiber-optic networks (FTTH, FTTS and FTTB) and 4G/5G mobile sites, including deployment, connections, testing and maintenance.
B-Hive AG
Since 2026 · 11–20 empl.
B-Hive AG is an engineering and operational consulting company that provides technical assistance, operational support, and project management services to its clients. The company focuses on the Life Sciences and industrial sectors, including pharmaceutical, biotech, medtech, cosmetics, chemicals, and agro-food activities.
Ecosys SA
Since 1988 · 1–10 empl.
Haas Consultant
Since 2003 · 1–10 empl.
CBMM Technology Suisse SA
Since 2006 · 11–20 empl.
ENERGY MANAGEMENT SA
Since 2010 · 1–10 empl.
MB Investments Sàrl
Since 2014 · 1–10 empl.
Amalgam Solutions Sàrl
Since 2015 · 1–10 empl.
TechACTIF Sàrl
Since 2018 · 1–10 empl.
Energy Optimal Engineering Sàrl
Since 2020 · 1–10 empl.
PANAPROD SNC
Since 2023 · 1–10 empl.
NAO Energy SA
Since 2023 · 1–10 empl.
JeDIM Jérémy Debernardi - Ingénierie Mécanique - Formation et Conseil
Since 2024 · 1–10 empl.
Montanier & Fils Sàrl
Since 2026 · 1–10 empl.
Studio GC Sàrl
Since 2026 · 1–10 empl.
AMD Project Sàrl
Since 2026 · 1–10 empl.
Engineer in Plan-Les-Ouates
Engineer in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 6, 2026
Engineer in other places
By canton