Technical Consulting & Engineering

Resitec AG 

Schüpbach · Since 2021

The core activity of Resitec AG is the development, manufacture and distribution of systems and products for drainage technology, particularly for the collection, treatment, storage and reuse of water. This includes, among other things, sand separators, glass separators, solid matter separators, assembly materials, accessories and floor drains. The company focuses on creating intelligent systems that contribute to water protection worldwide.

ResoTec Sàrl 

Vevey · Since 2021

The core activity of Resotec sàrl is consulting, planning and implementing projects in the field of water management and wastewater management, particularly in the following areas: water and wastewater management, geographic information systems (GIS), control of existing installations and expertise in property management, pollution research and detection of parasitic waters, planning and implementation of projects for compliance with property water evacuation, creation and management of databases for water management, site management and project implementation in the field of water management and wastewater management. The company offers its services to both the public and private sectors.

Reto Porta Nachführungsgeometer Kreis Zurzach 

Bad Zurzach · Since 2010

The core activity of the company 'Nachführungsgeometer Kreis Zurzach' is the official surveying and provision of georeferenced data and descriptive information for properties. This includes the creation and management of the land register, the production of cadastral plan copies and digital data, as well as the provision of orientation copies. The company offers these services as part of the official surveying, which is regulated by federal law and forms an important basis for the trade in properties and the decision-making of authorities, economy and science.

Retranol GmbH 

Horgen · Since 2007

RETROTEC AG 

Sarmenstorf · Since 2021

The core activity of Retrotec Services includes the development, prototype construction and repair of electronic solutions, particularly in the field of industrial applications, as well as the planning, design and construction of complex systems and plants. Furthermore, the company offers IT and network solutions, including the development of customized interface electronics, building, connection and automation technology.

REVARO GmbH 

Hünenberg · Since 2022

The core activity of REVARO GmbH is electrical planning, particularly the planning and implementation of innovative lighting and design solutions for real estate and construction projects.

Bitquell GmbH 

Flawil · Since 2022

Revoltec GmbH 

Zunzgen · Since 2021

The core activity of Revoltec GmbH encompasses the development and implementation of solutions for system integration, particularly in the field of renewable energies and balancing energy. This includes: * The control and marketing of battery storage systems * The implementation of Power-to-Heat solutions * The integration of industrial controllers into IT infrastructures for monitoring and data analysis * The development of software for safety-critical systems * Consulting and implementation of balancing energy projects The company focuses on developing future-proof solutions that prioritize sufficiency and efficiency, and sees Switzerland's energy future in renewable energies.

REWa solutions GmbH 

Waldkirch · Since 2018

REWa solutions GmbH provides practical support to SME executives, offering temporary operational reinforcement and technical expertise. Services include process analysis, production and manufacturing development, digitalization/Industry 4.0, lean manufacturing, assistance with investment projects and site consolidations, and hands-on project implementation.

Rewire GmbH 

Basel · Since 2023

The core activity of rewire GmbH is consulting and supporting the implementation of energy projects, particularly in the field of renewable energies and energy efficiency. This includes project planning, coordination and implementation, as well as identifying and minimizing project risks. The company also offers coaching, guided tours and presentations, and supports customers in the commissioning of energy systems.

RF1 GmbH 

Dierikon · Since 2023

RF1 GmbH provides fire protection management, planning and inspection services. Its offerings include strategic studies and project planning for fire protection concepts, VKF quality assurance for QSS 1–4, fire and smoke simulations, tests and acceptances, development of fire brigade response and evacuation plans, preparation of documentation (including the Übereinstimmungserklärung) and facility‑management tasks such as training and regular fire protection checks.

RFC Lab SA 

La Chaux-De-Fonds · Since 2011

RFC Lab SA operates an RF laboratory that provides measurements and analysis for electronic HF developments. Services include RF, EMC and ESD testing and measurements using spectrum analyzers, signal generators, wattmeters and VSWR (ROS) meters.

R. Frischknecht AG 

Waldstatt · Since 2014

R. Frischknecht AG carries out drywall (drylining) construction, acoustic and fire-protection work, and provides interior and exterior plastering services.

RFsolutions GmbH 

Hünenberg · Since 2023

RFsolutions GmbH provides tailored IT and OT solutions, including network engineering, cybersecurity, system automation, IoT, cloud and telephony solutions, as well as surveillance and server/storage systems. The company also offers diagnostics and system assessments, consulting, support, hardware sales, remote access and training.

RGBP AG 

Au Zh · Since 1997

The core activity of RGBP AG is the planning, implementation and maintenance of professional audio/video systems, including consulting, engineering, installation and support. The company provides solutions for complex audiovisual requirements and supports customers in the conception, planning and implementation of AV projects.

RGD-Planung GmbH 

Lausen · Since 2000

RGD-Planung GmbH is an engineering firm specializing in piping and plant design, providing 2D and 3D planning, project coordination and on-site services such as material management and site supervision. It serves the pharmaceutical, chemical and food sectors and offers equipment and building modelling, isometrics from 3D models, collision checks and support for installation and functional qualification (IQ/OQ).

Rhätica Solar Solution AG 

Malans Gr · Since 2024

Rhätica Solar Solution AG is a manufacturer-independent system provider for alpine large-scale solar plants with capacities from 5 to 50 MWp. The company provides planning, optimisation, construction and operation of alpine solar installations, along with consulting, solution concepts, cost optimisation, implementation and lifecycle support, and offers the modular mounting system “RSS Grischun Optim II” tailored to alpine conditions.

Rhex GmbH 

St. Gallen · Since 2002

The core activity of Rhex GmbH is the creation of expert opinions and appraisals for vehicles, particularly for classic cars, two-wheelers, commercial vehicles, construction machinery, boats and ships. The company provides neutral and brand-independent valuations and analyses to determine the numbers behind the values. This also includes accident analyses and the creation of expert opinions for insurance companies.

RH - Lichtkonzepte GmbH 

Flaach · Since 2004

The core activity of the company "rh Lichtkonzepte GmbH" is the planning and consulting of lighting concepts, particularly in the field of lighting.

Rhône-Electra Engineering SA 

Geneva · Since 1978

The core activity of Rhône-Electra Engineering S.A. consists of providing engineering and consulting services for the conception and realization of electrical infrastructures. This includes in particular: Consulting and conception, studies and expert opinions, energy management and analysis, support in the selection of contractors, and monitoring of the execution of works. The company positions itself as a neutral partner for its customers and offers them comprehensive support in the planning and realization of their electrical infrastructures.