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.

Companies

All 42 companies in Plan-Les-Ouates

Contexa SA Logo

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.

Research instituteVolumetric and simultaneous dosing systemsDosing solutions for creationDosing solutions for industrial production
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
LAYDEVANT SA Logo

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.

EngineerElectricityTelecom / home automationDoor and gate automation
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #2
Petroleum Technical Company SA Logo

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.

EngineerPumps and fluid transferTransfer equipment and accessoriesMeters and measuring equipment
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Geos Ingénieurs-Conseils SA Logo

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.

EngineerHydraulic structures and damsCivil engineering, structures and geotechnicsInfrastructures, urban development and sanitation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #4
QMT Suisse SA Logo

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.

EngineerTailored solutions for testing and quality controlAppearance inspectionDimensional inspection
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #5
Helveos SA Logo

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.

EngineerConsulting engineering for civil engineering and geotechnicsEnergy engineeringWater engineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
ELITEC SA Logo

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.

EngineerBuilding automation / Home automationMCR control / Building technical managementElectrical panels
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
BETELEC SA ingénieurs-conseils en électricité, succursale de Plan-les-Ouates Logo

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.

EngineerElectrical engineer mandateElectrical installations and technical studiesRenovations and transformations during operation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #8
MS Electro Contrôle SA Logo

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.

EngineerPeriodic inspectionFinal and acceptance inspectionAd-hoc inspection
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #9
M2O SWISS Sàrl Logo

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.

EngineerSpecial-purpose machinesTransfer machinesRobotics systems
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #10
STUDIUM CONSEIL Sàrl Logo

STUDIUM CONSEIL Sàrl

Since 2013 · 1–10 empl.

EngineerArchitecture, engineering and civil engineering
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #11
Tech'Firm Information Systems SA Logo

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.

EngineerInformation systemsRecruitment of IT profiles
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #12
CC-Climatherm Sàrl Logo

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.

EngineerStudy, design and installation of HVAC systemsAdvisory, client-side project management support and related administrative servicesMonitoring and optimization of building energy performance
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #13
RC Ingénierie SA Logo

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.

EngineerWater and Environmental Engineering ServicesClient Support and Project Management AssistanceDrainage and Wastewater System Planning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #14
Adexsoil Sàrl Logo

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.

EngineerRemediation of contaminated sites and soilsManagement of pollutants in buildings
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #15
LAPORTE EURO SA Logo

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.

EngineerEngineering servicesStrategic consultingCommissioning and qualification
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #16
EDAPHOS ENGINEERING SA Logo

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.

EngineerEnvironmental engineeringAdvisory & managementMicrobiology laboratory
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #17
Siléane CH Sàrl Logo

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.

EngineerAdaptive industrial roboticsFlowpick – Pick & PlaceKamido – Debulking
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #18
DSSA Ingénieurs Conseils SA Logo

DSSA Ingénieurs Conseils SA

Since 1988 · 1–10 empl.

Engineer
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #19
SWISSTECH concept Sàrl Logo

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.

EngineerSmart lightingCustom LED profilesDecorative indoor lighting
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #20
Solfor SA Logo

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.

EngineerMobility infrastructurePublic space developmentWater management and sanitation
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #21
Technoplan Engineering SA Logo

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.

Product designerPET blow moulding line optimisationSpare parts for PET blow moulding linesOVR10 – Infrared Oven Power Controller
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #22
MS Projets Sàrl Logo

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.

Engineer
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #23
Hiro Robotics SA Logo

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.

Research instituteRobotic Dismantling Systems for E-WasteAI-based PCB SortingAutomated Flat-Panel Dismantling
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #24
Després Sàrl Logo

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.

EngineerEnergy certificates and building renovation consultingBuilding permit and energy compliance servicesSolar system sizing
ranQ Trust Score 3.7 out of 5.0, rated Solid, Rank #25
Protectas Technology SA Logo

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.

EngineerIntrusion detectionVideo surveillanceAccess control
ranQ Trust Score 3.5 out of 5.0, rated Solid, Rank #26
Swizlink SA Logo

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.

EngineerMobile Network InfrastructureFixed Networks and Fibre Optics
ranQ Trust Score 3.5 out of 5.0, rated Solid, Rank #27
B-Hive AG Logo

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.

Management consultantEngineering and Operational ConsultingTechnical ExpertiseProject Management
No score yet
ES

Ecosys SA

Since 1988 · 1–10 empl.

Engineer
No score yet
HC

Haas Consultant

Since 2003 · 1–10 empl.

Engineer
No score yet
CT

CBMM Technology Suisse SA

Since 2006 · 11–20 empl.

Engineer
No score yet
EM

ENERGY MANAGEMENT SA

Since 2010 · 1–10 empl.

Engineer
No score yet
MI

MB Investments Sàrl

Since 2014 · 1–10 empl.

Engineer
No score yet
AS

Amalgam Solutions Sàrl

Since 2015 · 1–10 empl.

Engineer
No score yet
TS

TechACTIF Sàrl

Since 2018 · 1–10 empl.

Engineer
No score yet
EO

Energy Optimal Engineering Sàrl

Since 2020 · 1–10 empl.

Engineer
No score yet
PS

PANAPROD SNC

Since 2023 · 1–10 empl.

Engineer
No score yet
NE

NAO Energy SA

Since 2023 · 1–10 empl.

Engineer
No score yet
JJ

JeDIM Jérémy Debernardi - Ingénierie Mécanique - Formation et Conseil

Since 2024 · 1–10 empl.

Engineer
No score yet
M&

Montanier & Fils Sàrl

Since 2026 · 1–10 empl.

Engineer
No score yet
SG

Studio GC Sàrl

Since 2026 · 1–10 empl.

Engineer
No score yet
AP

AMD Project Sàrl

Since 2026 · 1–10 empl.

Engineer
No score yet

Engineer in Plan-Les-Ouates

42EngineerCommercial register (Zefix) · as of November 6, 2026
2016Median 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