Companies in
Altenrhein
128 companies based in Altenrhein — name and year of registration from the commercial register, indexed across 76 industries.
50 of 128 companies
Steiner Bootbau GmbH
Since 2011 · 11–20 empl.4.9(24)
The core activity of Steiner Bootbau GmbH is the manufacture and distribution of boats, particularly leisure, sports fishing, work and professional boats, as well as the provision of boat service activities such as maintenance, repair and conversions. In addition, the company also offers the sale of boat accessories, fishing articles and engines.
Fliegerschule St. Gallen - Altenrhein AG
Since 2005 · 11–20 empl.4.5(21)
The company's core activity is the training of pilots for private and commercial air traffic. The company offers various training programs, including the Private Pilot License (PPL), the Commercial Pilot License (CPL) and the Airline Transport Pilot License (ATPL), as well as specialized training such as Instrument Flight (IR) and Flight Instructor Training (FI). In addition, the company offers aircraft charter, sightseeing and trial flights, as well as simulator training.
Marina Rheinhof
Since 2001 · 11–20 empl.4.6(170)
The core activity of Marina Rheinhof is the operation of a harbour and a campsite on Lake Constance, including the provision of accommodation, petrol stations, restaurants and other services for boat owners, campers and cyclists.
Keel Bootsdienstleistungen GmbH
Since 2009 · 11–20 empl.4.9(19)
The core activity of Keel Bootsdienstleistungen GmbH is the provision of services for boats, particularly: boat maintenance, engine service, electronics, conversions, winter storage, and transport. The company thus offers comprehensive care and maintenance of boats to enable customers to use their boats without worry.
Medicel AG
Since 1996 · 1–10 empl.4.9(7)
The core activity of Medicel is the development, manufacture and distribution of ophthalmological surgical instruments and accessories, particularly for eye surgery. The company focuses on creating safe and simple solutions for eye surgeons and their patients.
Helikopter-Service Triet AG
Since 1991 · 1–10 empl.4.7(9)
The core activity of Helikopter-Service Triet AG is the provision of helicopter services, in particular: sightseeing flights, work flights, flight training, taxi flights, wedding flights, and photo flights. In addition, the company also offers special flights, such as Alpine sightseeing flights, flights to specific events like the Lauberhorn ski race or the Hemberg mountain race, as well as flights for special occasions like weddings or photo productions.
COMSOL Composites AG
Since 2019 · 101–500 empl.4.1(19)
The core activity of 3A Composites Mobility AG is the development and production of structurally and functionally integrated lightweight systems for public passenger transport as well as for industrial applications.
EssBAR KlG
Since 2018 · 1–10 empl.4.1(522)
The company's core activity is gastronomy, particularly the operation of restaurants and the provision of catering and event gastronomy services.
Easyrides Baumann
Since 2019 · 1–10 empl.4.8(20)
The core activity of Easyrides is the marketing and sale of retro electric bicycles, particularly vintage E-bikes that combine modern technology with timeless design. The company imports E-bikes from foreign manufacturers, such as Michael Blast, and distributes them in the German-speaking region.
Kreutzer Aviation Services GmbH
Since 2004 · 11–20 empl.4.8(4)
Kreutzer Aviation Services GmbH is a flight school offering professional flight training at St. Gallen-Altenrhein Airport. The core activities include training pilots according to EASA Part-FCL regulations, including the issuance of licenses such as Private Pilot Licence (PPL), Commercial Pilot Licence (CPL) and Airline Transport Pilot Licence (ATPL), as well as conducting sightseeing flights, charter flights and specialized training such as Instrument Rating and Night Flight.
Robutec AG
Since 1967 · 11–20 empl.
Robutec AG develops and manufactures medical products for ophthalmology, including IOL injectors, injection systems and ophthalmic surgical instruments. The company also produces custom solutions and components for the medical technology sector.
Gallusser AG
Since 1994 · 1–10 empl.
The core activity of Gallusser AG is civil engineering, particularly road construction, as well as specialized services such as shaft drilling and horizontal cutting.
Genossenschaft Fliegermuseum Altenrhein
Since 1996 · 11–20 empl.
The Fliegermuseum Altenrhein (FMA) is a flying aviation museum and a flight operations organization, whose core activity is to maintain, service and present historic aircraft related to Swiss aviation and specifically to the Swiss Air Force in a flightworthy condition. This also includes flight events, member flights, training and education of pilots, as well as the organization of airshows and displays.
Gebrüder Weiss AG
Since 1999 · 11–20 empl.
Gebrüder Weiss AG is a transport and logistics company providing international transport and supply chain services. Its services include road, sea, air and rail freight, project and break-bulk shipments, warehousing and e-fulfillment, as well as digital logistics tools such as shipment tracking and customer portals.
AAL AG
Since 2002 · 21–50 empl.
The core activities of Atlas Air Service include: * Aircraft sales and purchases, particularly business travel aircraft from the brands Embraer, Cessna, Beechcraft and Hawker * Aircraft maintenance and repair, including line and base services, at several locations in Germany and Switzerland * Aircraft management and operation, including jet charter and aircraft management services * Sales of aircraft and components, including the role as authorized service center for Embraer Executive Jets and as a distribution partner for Bell Helicopter * Performance of repairs and modifications to aircraft, including engine, landing gear and component repairs as well as avionics and painting work.
ROLI rent und event niederer
Since 2003 · 1–10 empl.
The core business of the company "Rent and Event" is the rental of vintage cars and other special vehicles for special occasions such as weddings, anniversaries, birthdays and other events. The company also offers consulting and organization of trips and events.
startIT GmbH
Since 2007 · 1–10 empl.
startIT GmbH develops API-based solutions and provides services in data management, crossmedia, CRM (Microsoft Dynamics), Umbraco content management, hybrid mobile apps and event applications.
Party-Festzeltvermietung Lutz GmbH
Since 2008 · 11–20 empl.
The core business of Lutz-Zelte GmbH is the rental and sale of tents, particularly folding tents, festival tents, VIP tents and other types of tents, as well as the provision of related services such as assembly, delivery and seating.
Historic Flight Maintenance HFM GmbH
Since 2010 · 1–10 empl.
The core activity of Historic Flight Maintenance GmbH is the maintenance and upkeep of historic ex-military aircraft as well as modern aircraft such as Diamond or Tecnam. This includes in particular: Periodic inspections (50h, 100h, Annual Inspection), repair work, painting, avionics work, modifications and upgrades, and annual inspections of LTA's and SB's. The company specializes in the maintenance of aircraft such as Cessna, Piper, Cirrus, Tecnam, Diamond, Pilatus P3, Pilatus PC-7, Boeing Stearman and other historic aircraft.
Altenrhein Luftfahrt GmbH, Schwechat (AT), Zweigniederlassung Altenrhein/Thal
Since 2011 · 21–50 empl.
The company's core activity is the operation of an airport and the provision of flight services, including scheduled and charter flights, business aviation and general aviation. The company also offers additional services such as check-in, handling and infrastructure operations.
ChangeDynamics GmbH
Since 2015 · 1–10 empl.
The company provides financial and accounting services to small and medium-sized enterprises (SMEs), individuals, and non-profit organizations. The core activities include: Trust and accounting, Management reporting and financial consulting, Tax consulting and planning, External CFO services, Outsourcing of financial processes and back-office solutions. The company supports its customers in digitizing their finances and offers individual solutions for their financial needs.
FFA Museum Altenrhein GmbH
Since 2017 · 11–20 empl.
The FFA Museum Altenrhein GmbH is a museum specializing in the exhibition and preservation of historic aircraft and Rolls-Royce vehicles. The company's core activities include: * Exhibiting historic aircraft and Rolls-Royce vehicles on an area of approximately 5,000m2 * Preserving and restoring historic aircraft through Jet and Prop Heritage * Conducting guided tours and events for visitors * Selling merchandise items in the online shop * Managing membership for the FFA Museum, which includes benefits such as free admission, free participation in events, and exclusive access to the members' area.
High Life Reisen AG
Since 2022 · 21–50 empl.
The company High Life Reisen/Nachbaur Reisen offers travel services, in particular: package tours, individually combined travel solutions, bus tours, air travel, cruises, city breaks, beach holidays, adventure travel, gourmet travel, boat and sailing tours, and car rental round trips. The company offers these travel services for various destinations, including Europe, Egypt, the Maldives, New Zealand, Costa Rica, and others. The core activity of the company is the planning, organization, and implementation of trips for private individuals and groups.
Heli-Maintenance AG
Since 2004 · 1–10 empl.
SAI Swiss Aviation Interiors GmbH
Since 2015 · 11–20 empl.
The core activity of Swiss Aviation Interiors GmbH is the development, production, repair and maintenance of interior components for aircraft, particularly for business and private jets. This includes, among other things: Design and manufacture of seating furniture, carpets, upholstery and other interior components; Repair and maintenance of aircraft cabins; Consulting and planning of interior designs; Quality control and testing of materials and components. The company also offers specialized services such as the production of custom-made seating furniture and the development of individual carpet designs.
pq-mobile GmbH
Since 1999 · 11–20 empl.4.3(11)
The core activity of pq-mobile GmbH is providing services and solutions for the management of mobile phone and communication solutions for businesses, including procurement, fleet management, repair and replacement, employee offers and enterprise mobility management.
BWB - Altenrhein AG
Since 1990 · 11–20 empl.4.7(3)
BWB - Altenrhein AG is a surface engineering company that provides electrolytic, chemical and electroplated coatings as well as mechanical processing and aluminium services for sectors including aerospace, medical technology, machinery, architecture and design. The company holds certifications such as NADCAP (CP/SE/NDT), EN 9100 and ISO 13485.
AUTO PILOT Limousine GmbH
Since 2015 · 1–10 empl.5.0(2)
The core activity of Brunner Limousine Service GmbH is the provision of luxury transportation services, specifically: airport transfers (e.g. Zurich, St. Gallen Altenrhein), business trips and roadshows, holiday and ski transfers, events such as weddings, Christmas parties and corporate events, sightseeing tours and excursions in Switzerland, and VIP chauffeur services for discerning clients. The company offers a professional, luxurious and secure transportation service for private and business customers.
Limo-Rheintal AG
Since 2011 · 1–10 empl.4.3(6)
The core activity of Limo Rheintal AG is the transportation of people with stretch limousines, particularly for special occasions such as weddings, birthdays, disco rides and promotional tours. The company offers tailored transportation solutions and focuses on quality, innovation and safety.
Rhomberg Reisen AG
Since 2024 · 11–20 empl.
Rhomberg Reisen AG is a tour operator offering package holidays, flight‑only and accommodation bookings, including fly‑and‑drive arrangements, car‑rental tours and guided coach tours. The company provides selected accommodations, direct flights and personalized travel advice for beach, active and family trips.
Carina Morga Hair & Styling
Since 2020 · 1–10 empl.4.9(10)
The core activity of Carina Hairstyling is to provide hairdressing services, particularly styling and caring for hair, in a personal and individual environment.
merz kley partner AG
Since 2000 · 11–20 empl.4.0(2)
The company is an engineering firm specializing in structural planning and civil engineering, focusing on the planning and realization of construction projects, particularly in the field of timber construction.
Egli Paint GmbH
Since 2011 · 1–10 empl.5.0(1)
The core activity of Egli Paint GmbH is the painting of aircraft. The company offers high-quality painting services for the aerospace industry, including complete aircraft painting and special design solutions.
Post & Services Altenrhein GmbH
Since 2005 · 1–10 empl.3.8(10)
The company Post & Services Altenrhein GmbH offers a wide range of services, including: postal services, tourism information (Tourist Info Altenrhein), sale of stationery, food and bread, bicycle rental, sale of motorway vignettes for Switzerland and Austria, collection point for dry cleaning, and sale of prepaid cards for various providers (Swisscom, Yello, Salt, Lebara, etc.). The core activity of the company can be described as "Services in the field of post, tourism and retail".
Welti Services & Solutions
Since 2019 · 1–10 empl.
The core activity of Welti is the provision of services in the field of digital marketing and web development, specifically: development and optimization of digital marketing strategies, creation and management of paid advertising campaigns (Google Ads, Social Media Ads), conducting marketing audits and conversion rate optimizations, web development (UI/UX design, product development, web analytics), and data analysis and interpretation to support marketing and business decisions. The company positions itself as a data-driven design agency that develops creative solutions for complex challenges, putting customer needs and wishes at the forefront.
PAK Personal GmbH
Since 2008 · 11–20 empl.2.5(2)
The company's core activity is the placement of jobs and the provision of temporary workers for various industries, including metalworking, logistics and transportation, industry and production, electrical and electronics, construction and related trades, as well as hospitality. The company also offers services such as personnel placement, personnel requests and vacation and time-off management.
clar AG
Since 2021 · 1–10 empl.5.0(1)
The core activity of clar ag is the implementation of pollutant screenings and investigations in buildings, particularly in the area of: Building checks: Detection of asbestos, PCB/CP- and PAH-containing building materials in buildings, especially during demolition or renovation projects on building components constructed before 1990. Ventilation hygiene: Inspection and maintenance of ventilation systems to ensure flawless function. Sick building: Detection and consulting on pollutants in the building substance, especially in the presence of indoor pollutants. The company thus offers services in the field of building and environmental analytics to ensure the health and safety of buildings and their occupants.
Jägerhaus Altenrhein GmbH
Since 2024 · 1–10 empl.
Jägerhaus Altenrhein GmbH is a restaurant offering dishes featuring fresh Lake Constance fish and regional products. The venue is family-friendly, hosts private events, adheres to the Culinarium principles and also provides simple overnight accommodation.
FLUGGRUPPE FFA
Since 1950 · 1–10 empl.4.0(1)
FLUGGRUPPE FFA is a flying club that provides members with access to club aircraft and organises flight operations. The fleet includes a Piper L‑4 (HB‑OFR) and a Cessna 172 (HB‑CCT); the organisation offers membership categories, aircraft reservations and maintenance carried out by its mechanics.
Krämer Gartenbau GmbH
Since 2018 · 1–10 empl.3.0(2)
The core activity of Krämer Gartenbau GmbH is the professional design, maintenance and upkeep of gardens and green spaces, including gardening, garden redesign, maintenance, tree care, felling and snow removal.
ATO Aviatis GmbH
Since 2023 · 1–10 empl.5.0(3)
The core activity of ATO Aviatis GmbH encompasses three main areas: 1. **Flight School (ATO Flying School)**: The company provides flight training and education, including the acquisition of flight licenses and ratings, proficiency checks, skill tests, and theoretical knowledge. 2. **Aircraft Sales**: ATO Aviatis GmbH sells aircraft, offering a platform for the purchase and sale of aircraft. 3. **Aircraft Operation & Management**: The company provides services in the field of aircraft operation and management, including the administration and maintenance of aircraft.
Verlag für Wissenschaft und Medizin GmbH
Since 2019 · 1–10 empl.5.0(1)
The core activity of the company "Verlag für Wissenschaft und Medizin AG" is the publication and distribution of publications, in particular the magazine "HEILKUNDE", which specializes in health, naturopathy, complementary medicine and well-being. The company also operates an online shop where readers can order products and articles. In addition, the company offers a newsletter and a blog that deals with topics such as health, nutrition and lifestyle.
Ahoi am Dorfplatz GmbH
Since 2026 · 1–10 empl.
Ahoi am Dorfplatz GmbH operates a bistro, café and apéro bar offering coffee, wine, drinks, snacks, tarte flambée and desserts. The company also organises events and provides a hall for functions, meetings, seminars and private celebrations for up to about 50 people.
Optimus.Swiss GmbH
Since 1995 · 1–10 empl.
The core activity of Optimus.Swiss GmbH is the development and certification of avionics and electrical systems for the aerospace industry. The company provides consulting services in the areas of system design, certification, project management and risk minimization to support customers in the development and certification of avionics and electrical systems.
Acenes GmbH
Since 2015 · 1–10 empl.
Acenes GmbH brokers woodworking machines and provides consultancy and services related to woodworking. Its offerings include assistance with machine procurement, professional advice and technical support, and coordination with partner suppliers to source appropriate equipment.
Atelier Zündt GmbH
Since 2021 · 1–10 empl.
The company's core activity is the manufacture and distribution of high-quality textiles, particularly knitted and embroidered products such as socks, stockings, ties, scarves, tablecloths, upholstery fabrics and home textiles. In addition, the company also offers specialized services such as the production of embroidered badges, labels and insignia for military, civil and commercial customers.
Sabix AG
Since 2022 · 1–10 empl.
The core activity of Sabix AG is the provision of IT consulting services and services in the field of digitalization. The company supports its customers in their digital transformation and helps them to increase their productivity.
CasaRhein AG
Since 2022 · 1–10 empl.
The core activity of CasaRhein AG is the development and marketing of residential real estate, in particular the construction and sale of single-family homes or residential complexes, as exemplified by the presentation of the "Casa Rhein" project in Altenrhein.
Rohrgroup (Schweiz) AG
Since 2023 · 1–10 empl.
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.
DeepGrow AG
Since 2025 · 1–10 empl.
DeepGrow AG develops a digital mental fitness platform that provides short guided audio micro‑sessions for employees to support sleep, stress regulation and focus. The service includes personalized training phases with AI‑supported personalization and an anonymized dashboard delivering aggregated HR insights.
Altenrhein in figures
All 4 industries in Altenrhein
Industries with fewer than 5 companies in Altenrhein are not listed.
Altenrhein and surroundings
Point size by number of companies per place.
Source: commercial register (Zefix) · as of October 11, 2026
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