Plumbing & Building Services

MGA Sanitaire et Service Sàrl 

Renens Vd · Since 2023

MGA Sanitaire et Service Sàrl provides installation, renovation and repair services for sanitary, heating and ventilation systems. Services include installation and renovation of kitchen and bathroom systems, water heater replacement, and installation and repair of radiators, underfloor heating and mechanical ventilation systems.

MG Eau Sàrl 

Geneva · Since 2022

The core activity of MG Eau is the installation and servicing of thermal and sanitary systems, including the installation of heat pumps and water softening systems. The company offers its services to both private and commercial customers and operates in Switzerland and France.

MG-Ziti GmbH 

Gurmels · Since 2017

The core activity of MG-Ziti GmbH is the planning, installation, maintenance and repair of heating and air conditioning systems as well as ventilation systems for private and commercial customers.

Michel Haustechnik AG 

Gwatt (Thun) · Since 2008

The core activity of Michel Haustechnik AG is the provision of services in the field of building technology, particularly in the areas of plumbing, heating and service. The company offers planning, installation, maintenance and repair of building technology systems and has its own workshop, planning office and service team.

MILO SERHATEC AG 

Steinhausen · Since 2022

MILO SERHATEC AG is a company providing heating, sanitary and heat-pump solutions and related services. It supplies, installs and maintains heating and sanitary systems, installs heat pumps using ground, water or air sources, and offers service and maintenance for building services.

MK Gebäudetechnik GmbH 

Thusis · Since 2018

The core activity of MK Gebäudetechnik GmbH is the planning, installation, maintenance and repair of building technology systems, particularly in the areas of heating, plumbing, ventilation and solar systems. The company also offers energy consulting, construction management and owner representation, and has a 24/7 emergency service for building technology.

Montage-Partner GmbH 

Kriens · Since 2014

The core activity of Montage-Partner GmbH is the provision of sanitary and installation services, including new construction and renovation work as well as service activities in the sanitary sector.

Moritzi Heizung GmbH 

Nänikon · Since 2009

The core activity of Moritzi Heizung GmbH is the planning, installation, maintenance and repair of heating, air conditioning and sanitary systems in the building technology sector.

Mosimann Sanitär + Metallbau GmbH 

Schüpbach · Since 2004

The core activity of Mosimann Sanitär + Metallbau GmbH is the provision of services and products in the areas of sanitary/plumbing and metal construction/locksmithing. Specifically, this includes the planning, renovation, conversion and new construction of sanitary facilities, as well as the manufacture and installation of metal structures and locksmithing work.

MPI tech Sàrl 

Neuchâtel · Since 2020

MPI tech Sàrl is a plumbing and heating company that installs and renovates sanitary facilities and provides heating system installations, including heat pumps. The company offers tailored project quotations, emergency plumbing services and carries out renovation and installation work.

M. Rellstab GmbH 

Frauenfeld · Since 2002

The core business of M. Rellstab GmbH is the installation and servicing of sanitary and heating systems for residential estates, industrial and public buildings, as well as single-family homes.

MR Haus- und Wassertechnik AG 

Winterthur · Since 1988

The core activity of MR Haus- und Wassertechnik AG is the installation, maintenance and repair of sanitary and heating systems, particularly in the field of water softening and treatment. This also includes the decalcification and flushing of pipes, heating systems and radiators, as well as the renovation of drinking water systems. The company also offers products such as decalcification systems and water softeners, and advises customers on all matters related to house and water technology.

M. Sanitär GmbH 

Rüschegg Heubach · Since 2014

M. Sanitär GmbH provides plumbing and heating services, including flushing underfloor heating, descaling boilers, supplying and installing water softeners, sanitary and heating work for renovations and new builds, minor excavation for repairs to water and well lines, and general service tasks.

MS Eau SA 

Aigle · Since 2016

MS Eau SA is a company specializing in water and landscape solutions, providing services for pools, ornamental and functional ponds, aquaponics, fountains and water walls, aquaria and aquaculture, as well as water treatment and rainwater recovery systems. Services include engineering and design (including 3D modelling), supply of equipment, installation and operational support.

M.T. Haustechnik GmbH 

Wohlen Ag · Since 2015

M.T. Haustechnik GmbH provides building services (Haustechnik) with a focus on heating, sanitary installations and ventilation. The company is owner-managed by Martin Trepp and offers personalized, comprehensive consulting and full-service execution in cooperation with partners.

MTO GmbH Messtechnik Oetiker 

Zurich · Since 2011

The core activity of Messtechnik-Oetiker is leak detection and measurement technology for building technology installations, particularly for heating distribution systems, Pex distribution systems and other pipeline systems in new and existing buildings. This also includes specialized services such as thermography, endoscopy, humidity measurements and gas leak detection.

Müller & Partner Planungsbüro GmbH 

Therwil · Since 2021

The core activity of Müller & Partner GmbH is the planning and coordination of heating, ventilation, air conditioning and sanitary technology (HVAC) for various construction projects, including new buildings, renovations and refurbishments. The company also offers additional services such as analyses, concepts, owner representation, quality assurance, project management and technical construction management.

Müller Sanitär AG 

Oberhof · Since 1980

Müller Sanitär AG provides consulting, planning and installation services in sanitary/plumbing technology, performing repairs, maintenance, renovations and installations for private, commercial and industrial clients. The company also handles drinking-water hygiene, sanitary system planning including 3D modelling (BIM), and consultancy on digitalisation and model-based workflows.

Muller Sàrl 

Chailly-Montreux · Since 2023

Muller Sàrl provides installation, maintenance and repair services for heating and sanitary systems, covering new-build and renovation projects, boiler replacement, rapid repairs and ongoing maintenance. The company serves private clients, businesses and property professionals.

Müller Wasser+Wärme AG 

Wettswil · Since 2017

The core activity of Müller Wasser+Wärme AG is the provision of services and installations in the field of sanitary and heating technology, including: * Service and repairs of sanitary facilities and heating systems * Renovations and conversions of bathrooms and kitchens * Renewals of heating systems and boilers * Installation and maintenance of water supply systems and treatment systems * Sanitary work in bathrooms, kitchens and water supply systems. The company thus offers a comprehensive range of services in the field of building technology and sanitary engineering.