Specialized Construction Activities

ZIREG Ziswiler GmbH 

Neuenkirch · Since 2020

ZIREG Ziswiler GmbH provides swimming pools, whirlpools and related pool technology. Services include design, installation, commissioning and maintenance of concrete, stainless steel, polyester and polypropylene pools, renovations and indoor pools, plus pool accessories and systems for water treatment, filtration, heating and covers, and an online shop for pool supplies.

Ziswiler Invest GmbH 

Neuenkirch · Since 2004

Ziswiler Invest GmbH provides swimming pools, whirlpools and associated pool technology. The company offers planning, delivery, installation and maintenance of complete pool systems (concrete, stainless steel, polyester and polypropylene) and supplies accessories including water treatment, filtration, heating and cover systems, as well as an online shop for pool supplies.

BBS Tech AG 

Herzogenbuchsee · Since 2018

The core activity of BBS TECH AG is the subsequent processing of concrete, reinforced concrete and stone in new construction, renovation or demolition. This includes in particular: drilling and cutting of concrete, controlled demolition and dismantling, grinding and processing of surfaces, and reinforcement of structures. The company also offers specific services such as wall breakthroughs, enlargement of windows and doors, floor and staircase grinding, as well as drilling, cutting and demolition of concrete.

Bex Bau GmbH 

Wollerau · Since 2022

The core activity of Bex Bau GmbH is the surface treatment and preparation of various floor materials, in particular: grinding of high-strength concrete, anhydrite, cast asphalt and other materials; creation of terrazzo effects through grinding and sealing; preparation of surfaces for the application of floor coverings, resins, tiles and paints; removal of contaminants, coatings and markings; and shot blasting to create skid resistance on roads, industrial halls, runways and sidewalks. The company offers its services for various fields of application, including residential, commercial, industrial and inner courtyards of residential estates.

Bilal Sàrl 

Pampigny · Since 2019

The core activity of Bilal Sàrl is to provide services in the field of construction and renovation work, particularly in the following areas: plastering, painting, facade work, insulation, and tiling. The company offers these services to both private clients and architects and property managers, focusing on the execution of renovation and new construction projects.

Burlet-Bau GmbH 

Schmerikon · Since 2022

The core activity of Burletbau includes the planning, construction and installation of: 1. Facades (facade construction), 2. Solar systems (photovoltaic systems), and 3. Sheet metal processing (metalworking). The company thus offers services in the construction and metal industries, with a focus on renewable energy and building envelopes.

Die Umbaumeister GmbH 

Sissach · Since 2018

The core activity of the company 'Die Umbaumeister GmbH' is the execution of construction projects, particularly in the area of renovations, refurbishments and restorations of buildings. This includes specific services such as: bathroom and kitchen renovations, plastering, facade and masonry restorations, panel work, joint sealing, drilling and concrete work, core drilling, and demolition and dismantling work. The company thus offers a comprehensive range of services in the construction industry, particularly for private and commercial customers in the region.

DONADA SA 

Lugano · Since 1998

The core activity of Donada SA is the provision of services and solutions in the fields of sheet metal work, waterproofing, carpentry and resin applications. Specifically, this includes: Sheet metal work: manufacturing and installation of metal roofing, facade cladding and lightning protection systems; Waterproofing: carrying out sealing work for roofs, terraces and underground structures using modern materials such as bitumen sheets and insulation systems; Carpentry: manufacturing and installation of wooden and metal structures, including roofing and facade cladding; Resin applications: applying resins for sealing terraces and balconies, including visible and walkable surfaces, as well as repair work. The company also offers consulting and planning services for these areas and performs visual inspections and maintenance work.

Elmar Röhner AG 

Gettnau · Since 2001

Elmar Röhner AG provides services for tank systems, rainwater utilisation and concrete drilling and milling. Services include tank revisions, tank removal and new tank installations, design and installation of rainwater systems, and core drilling, milling and structural reinforcement. The company also performs tank inspections, internal cleaning, leak-detection device checks and related regulatory testing.

Elmar Röhner AG 

Aarwangen · Since 2005

Elmar Röhner AG plans, installs and maintains tank systems (including tank revisions, decommissioning and new installations) and provides rainwater harvesting systems as well as concrete drilling and milling services.

FugenBau GmbH 

Grenchen · Since 2022

FugenBau GmbH provides joint sealing, fire-protection and baseboard services. The company carries out joint sealing work and installs wooden and metal skirtings/profiles as well as fire-stopping solutions.

K&K Saniblitz GmbH 

Wohlen Ag · Since 2010

The core activity of K&K Saniblitz GmbH is the provision of services in the field of sanitation and heating, including repairs.

Mark Haustechnik AG 

Reiden · Since 2018

The core activity of Mark Haustechnik AG is the planning, consulting and realization of sanitary and heating work in building technology, particularly in the areas of bathroom, heating and sanitation. The company offers professional installations and services in these areas, with the aim of saving customers trouble, costs and time.

MB Piscines Sàrl 

Valeyres-Sous-Rances · Since 2017

MB Piscines is a specialist in the installation, renovation and maintenance of swimming pools and spas. Their core activities include the design, construction and maintenance of swimming pools and spas, as well as the adaptation of solutions to meet the needs and budget of customers. They also offer a wide range of products, including swimming pools, Jacuzzis, renovations and maintenance services.

Merz AG Bauunternehmung 

Küttigen · Since 1992

Merz AG Bauunternehmung is an independent construction company providing planning, construction management and building services. Its offerings include architecture and project management, new-build and civil engineering works, renovations, garden and utility-line works, drilling and milling, transport and mulching services, and a 24-hour emergency service.

MS sanitaire Sàrl 

Savigny · Since 2007

The core activity of MS sanitaire is the installation, maintenance and renovation of sanitary facilities, heating systems and ventilation systems, including the planning, coordination and execution of projects in the field of sanitary technology, heating and ventilation. A particular focus is on the renovation of bathrooms from A to Z.

Notz Storen und Rollladen GmbH 

Zurich · Since 2021

The core activity of NOTZ Storen und Rollladen GmbH is the planning, installation and maintenance of roller shutters, sun protection systems and garage doors. The company offers a comprehensive service that ranges from consulting and needs analysis to planning and installation, as well as repair and maintenance.

Baufix GmbH 

Wollerau · Since 2006

The core activity of Baufix GmbH encompasses comprehensive renovation and refurbishment work in the field of real estate, including: general renovation work, building services (heating, plumbing, electrical installations), metal construction and welding work, painting and plastering work, flooring, kitchen and bathroom remodeling and renovation, as well as garden and landscape design. The company also offers planning and consulting services, including energy efficiency and sustainability solutions.

Perseghini SA 

Estavayer-Le-Lac · Since 2008

The core activity of Perseghini SA is the provision of services in the field of construction and renovation work, particularly in the areas of: painting, decoration, plastering, insulation, liquid sealing and wallpapering. The company also offers consulting and support services for the renovation of building envelopes, thermal calculations and the application for subsidies.

Piscines et Spas Arnold SA 

Meinier · Since 1987

The core activity of Arnold Piscine Suisse is the conception and realization of traditional and customized pools (piscines) as well as spas and associated comfort solutions.