Technical Consulting & Engineering

ViaTec Basel AG 

Basel · Since 2018

The company provides services in the field of material cycle management, particularly for asphalt and recycling. It focuses on developing pragmatic and innovative solution approaches for builders and entrepreneurs to meet the increasingly stringent environmental regulations. The company's core activity is the provision of laboratory services and the establishment of a know-how platform for asphalt and recycling.

ViaTec AG 

Winterthur · Since 2004

ViaTec AG is an institute for construction material technology. It provides materials testing, installation supervision, preliminary investigations and research and development for road construction, focusing on asphalt, binders, aggregates and recycled materials. Its testing laboratories are accredited to ISO/IEC 17025:2017 by the Swiss Accreditation Service.

Vignarajah Energieberatung GmbH 

Bad Ragaz · Since 2023

Vignarajah Energieberatung GmbH provides energy consulting for residential and commercial buildings and prepares GEAK, GEAK Plus assessments and energy reports (SIA 380/1). Services include developing modernization concepts and advising on building envelope improvements, the selection of efficient heating systems such as heat pumps, and the integration of photovoltaic systems.

Visconti Sagl 

Malvaglia · Since 2022

Visconti Sagl is a geomatics firm providing surveying and land-measurement services, including technical and official cadastral surveys, digital terrain models, monitoring, and architectural surveys. Services also cover drone-based terrain surveys, preparation of property floor plans and other geospatial data acquisition, processing and delivery for public and private clients.

Visiona GmbH 

Wald Ar · Since 2018

The VISIONA GmbH is an engineering firm specializing in energy and building technology. The core activities include planning, design and consulting in the areas of building technology, energy efficiency and sustainability.

Vitus Fux Planungs- und Verwaltungs AG 

Visp · Since 1975

Vitus Fux Planungs- und Verwaltungs AG is a metal construction company that plans and fabricates structures in steel, aluminium and glass. The company provides project planning, in-house manufacturing, assembly, repair and maintenance, and supplies products such as façades, windows and doors and fire-protection solutions.

VOJ-TECH Ingenieure GmbH 

Illnau · Since 2016

The core activity of VOJ-TECH Ingenieure GmbH is the provision of services in the field of building technology, particularly in the areas of: * Specialist planning and conception of building technology systems * Expert opinions and consulting for building owners, architects and contractors * Building permits and feasibility studies * Energy solutions and optimization * Specialist construction management and controlling * Scheduling and construction cost accounting * Acceptance and expert opinions * Energy consulting and optimization * Hygiene inspections and condition analyses * Budget planning and certification labels The company offers a comprehensive overall planning service for heating/cooling, ventilation, sanitary and electrical systems and has extensive experience in specialist construction management and construction controlling.

Voltage ENGINEERING AG 

Zermatt · Since 2020

The core activity of Voltage ENGINEERING AG is the planning, consulting and implementation of electrical systems and installations, including: electrical planning and design, lighting planning and design, energy efficiency and optimization, alternative energy sources, interface coordination, safety inspections and analyses, and lightning protection. The company provides neutral and independent consulting and planning for electrical systems and installations and coordinates the efficient implementation of projects.

VRD ingénieurs-conseils SA 

Sugiez · Since 2020

Waldburger & Rutishauser AG 

St. Gallen · Since 2020

Waldburger & Rutishauser AG provides building expertises and technical assessments, together with construction consulting, project and site management and mediation. The firm also delivers building physics services including thermal and moisture protection, room acoustics, sound and noise protection, and energy compliance documentation.

WALTER SALM, MEIER & PARTNER AG 

Zurich · Since 2005

The core activity of WSMAG, Walter Salm, Meier & Partner AG is the provision of electrical planning services, including energy planning, lighting planning, telecommunications, security, audio and video, feasibility studies and client consulting.

Walters-Storyk Design Group, Europe (WSDG-E) AG 

Basel · Since 2004

The core activity of WSDG is the provision of architectural, acoustic and engineering services, particularly in the planning and integration of technology infrastructures in buildings, with a focus on acoustic consulting and media system engineering.

Walter Zingg AG 

Aesch Bl · Since 1988

The core activity of Walter Zingg AG is the creation of consumption-based heat, water and ancillary cost statements, as well as the development and implementation of measurement systems for capturing energy consumption data. This includes the planning, delivery and installation of measuring devices and systems, the electronic capture and transmission of consumption data, and the creation of heating and ancillary cost statements according to the federal model.

WA-TEC AG für Wassertechnik Thun 

Gwatt (Thun) · Since 1979

The core activity of Wa-Tec AG is engineering services for water technology, particularly the planning, design and construction management of water engineering projects, including water supply systems, sewage systems, water intake systems and urban water infrastructure.

WATTELSE AG 

Cham · Since 2012

The company WATTELSE AG offers services in the field of heating, ventilation, air conditioning, refrigeration, sanitation (HVAC) and building automation. The core activity of the company is to analyze, optimize and operate building technology to save energy and costs. This also includes the development of concepts for the use of waste heat, the implementation of photovoltaic systems and the monitoring of building management systems using the company's own MONALYSE technology. The company supports property developers and owners in the planning, construction and operation of buildings to ensure efficient and sustainable building technology.

WBI AG 

Schaffhausen · Since 1996

WBI AG is an engineering and planning firm offering civil infrastructure, railway construction, structural engineering and surveying/GIS services. Its services cover all project phases from study and design through to commissioning, and include municipal engineering, road and utility works as well as advisory and representation services.

WBI AG, Zweigniederlassung Regensdorf 

Regensdorf · Since 2005

WBI AG, Zweigniederlassung Regensdorf provides engineering and planning services for infrastructure projects, including civil engineering, railway construction, structural engineering and municipal engineering, as well as surveying/GIS. Its services include project planning and realization, condition assessments and repairs, and construction management, representation and consulting.

WDVS-EXPERT GmbH 

Rupperswil · Since 2011

The core activity of WDVS-EXPERT GmbH is consulting, expert opinion preparation, quality inspection, condition analysis and training in the field of facades, particularly thermal insulation composite systems (WDVS). The company offers specialized services for building owners, including the preparation of expert opinions, condition analyses and quality inspections, as well as technical training and consulting in all matters related to a building's facade.

Weisskopf Partner GmbH 

Zurich · Since 1999

Weisskopf Partner GmbH is a consulting and planning company specializing in the planning and implementation of energy projects. The company's core activity includes the planning and realization of energy facilities, consulting for energy supply and service companies, as well as the development of concepts for a sustainable energy future. The company also offers services such as energy coaching, European Energy Award procedures, and energy city initiatives.

Weta GmbH 

Port · Since 2019

Weta GmbH provides building energy consulting, including GEAK, GEAK Plus and GEAK Neubau assessments, and offers support for photovoltaics, electromobility, PEIK analyses and investigating available funding.