Specialized Construction Activities

Renov Métal Colors Sàrl 

Gland · Since 2021

The core activity of Renov Métal Colors is the application of electrostatic coating on metal surfaces, particularly in the context of renovation and construction projects. The services include, among others, the coating of metal parts such as railings, doors, windows, canopies, gates and other metal elements. The company offers its services to both private and commercial customers and can work on-site or in its own premises.

RE Ponteggi Sagl 

Caslano · Since 2023

RE Ponteggi Sagl provides professional scaffolding systems and related services, including façade scaffolds, special structures (towers, stairs, bridges), construction scaffolds and temporary roof coverings. The company offers consultancy, certified materials, site-safety solutions (nets, tunnel protection), on-site surveys and non-binding quotes, operating primarily in Ticino and nearby areas.

REXHuser Gebäudetechnik GmbH 

Fischbach-Göslikon · Since 2016

REXHuser Gebäudetechnik GmbH provides building-technical services in sanitary/plumbing, heating, ventilation and technical planning. The company offers manufacturer-neutral advice, system planning, installation and operational optimization, and operates a 24/7 emergency service.

Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich 

Zurich · Since 2013

Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich provides rail-technology services covering track construction, equipment, and project and maintenance services for rail infrastructure. Offerings include mechanised and conventional track construction, machine maintenance, rental and trade of track machines and materials, and construction site management.

Rhomberg Sersa Rail Security AG 

Pfäffikon Sz · Since 2003

Rhomberg Sersa Rail Security AG provides construction and maintenance services for railway infrastructure, including track construction, tunnel refurbishment, and maintenance, as well as rental and trade of track machines and materials. Its portfolio also includes digital rail services, track surveying and diagnostics, logistics and safety services, and support for railway undertakings.

Rialtech Sagl 

Sementina · Since 2018

The core activity of Rialtech GmbH/Sagl is the execution of sealing and special works in the construction sector, particularly in the following areas: water leak detection and reporting, sealing of flat roofs, terraces, balconies, swimming pools, bathtubs and storage tanks, sealing of wet rooms, underground constructions and floors, joint sealing and injections, structural reinforcement and concrete renovation, coating against hazardous liquids and fire protection. The company offers individual solutions and consulting for complex construction projects and uses modern technology to ensure the highest quality and reliability.

Riedel Sanierungen 

Buchs Sg · Since 2017

The core activity of Riedel Sanierungen is the execution of works in the field of facade construction, interior finishing, timber construction and renovations.

Rig-Me AG 

Buochs · Since 1989

Rig-Me AG operates the G zu G business network and provides an online platform for companies to lend or borrow workers while the employees remain employed by their original employer. The service targets firms in the construction sector and facilitates direct contact between industry partners without involving temporary-staffing agencies.

Ristrutturarte Sagl 

Cadempino · Since 2022

The core activity of RistrutturArte Sagl is the execution of conservative restructuring, i.e. renovation and refurbishment works aimed at preserving the original architectural elements of a building. This includes the planning, execution and supervision of renovation and refurbishment projects for private and commercial clients, including property management and architectural firms. The works are carried out with a minimum of intervention in the existing structures and with consideration for the preservation of the building's original character.

Riverlake Solutions SA 

Geneva · Since 2008

Riverlake Solutions SA provides shipbroking, project management, market intelligence and ship management services for the maritime sector. Services listed on the website include chartering and sale & purchase brokerage, operational brokerage, project development for tank storage and jetties (including SPM/CBM and green terminal concepts), and research plus market indexes.

RIX FASSADENBAU GmbH 

St. Gallen · Since 2006

The core activity of RIX FASSADENBAU GmbH is metal façade construction, including new construction, renovations, refurbishments and sheet metal work.

RoDa Montage GmbH 

Mehlsecken · Since 2023

The core activity of RoDa Montage GmbH is the disassembly and assembly of doors and gates of all kinds throughout Switzerland.

Rohrgroup (Schweiz) AG 

Altenrhein · Since 2023

Rohrgroup (Schweiz) AG provides 360° internal pipe rehabilitation for drinking and wastewater systems, serving residential property managers and commercial clients. The company uses minimally invasive methods such as pipe‑in‑pipe lining and a spray‑and‑spin coating process, and delivers camera inspection, pipe cleaning, in‑place coating application and project documentation.

ROHRPROFI AG 

Pfungen · Since 2015

ROHRPROFI AG provides pipe and sewer cleaning, drain services, shaft emptying, pipeline CCTV inspection, drilling work and sewer rehabilitation.

Rolf Krämer Höhenarbeiten 

Schaffhausen · Since 1993

The core activity of Seilwerker.ch is the execution of height work and industrial climbing using rope access technology. This includes, in particular, the safe access and execution of work at difficult-to-reach locations at heights or depths, such as on buildings, as well as the implementation of fall protection measures and the training of specialized personnel in these areas.

Rolf Zurfluh Restaurierungsatelier GmbH 

Raperswilen · Since 2014

The core activity of Atelier Rolf Zurfluh is the restoration and conservation of art and cultural assets, particularly architectural surfaces, wall paintings, gilded sculptures, wallpapers and historical finishing techniques such as marbling, marbleizing and gilding.

Roman von Schulthess GmbH 

St. Gallen · Since 2019

Roman von Schulthess GmbH is a mountain guide and tandem pilot. Services include guided mountain and rock-climbing tours, ski tours and paragliding tandem flights; the website lists base rates (e.g. mountain guide: CHF 800/day) and tandem flight prices (e.g. approx. 15 min gliding: CHF 190).

RoSan AG 

Dietlikon · Since 2009

The core activity of RoSan GmbH is the provision of services in the field of facade and window work, particularly in the execution of: exterior wall insulation with plastering, window sills, baseboards, and frames. The company offers these services for construction projects and has specialized in the execution of plastering work.

Roth Metall & Bau GmbH 

Ellighausen · Since 2003

The core activity of Roth Metall & Bau GmbH is the provision of mobile locksmith and welding services on construction sites, including: welding work for various metals, spriessungen (installation of temporary or long-term reinforcements), cutting work for sheet pile walls, assembly of prestressed anchors for excavation pit securing and slope securing, and cutting of steel sheet pile walls. The company offers these services as a mobile construction site locksmith, i.e. they come directly to the customer's construction site to perform the required work.

Rotomill AG 

Liestal · Since 2019

The core activity of Rotomill AG primarily encompasses services in the field of road maintenance and cleaning. Specifically, the company offers milling services such as surface milling, fine milling, and slot milling, as well as cleaning services including dry and wet cleaning, street cleaning, and emergency response. Additionally, the company also provides demarcation and cutting wheel services.