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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,816 companies indexed · Last updated: today
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863 companies found

August Manser AG Logo

August Manser AG 

Altstätten Sg · Since 2013

August Manser AG provides product development and industrialization services, including engineering, CNC milling and turning, and machining of special materials such as MACOR® glass-ceramic. The company also carries out assembly of mechanical and mechatronic modules and offers supply-chain management, ISO 9001:2015 quality processes, and after-sales/product lifecycle services.

Metal Industry
View profile4.5(4)
bau3werk gmbh Logo

bau3werk gmbh 

Altstätten Sg · Since 2017

The core activity of bau3werk GmbH is construction management, construction planning and construction supervision.

Construction & Project Management
View profile5(4)
Hartmeyer AG Logo

Hartmeyer AG 

Altstätten Sg · Since 2014

The core activity of Hartmeyer AG is the planning, installation and maintenance of sanitary facilities, building technology and supply systems, including water, heat and gas installations, for single-family and multi-family homes, public buildings and industrial buildings.

Plumbing & Building Services
View profile4(4)
Naturheilkundepraxis HEINZLE Logo

Naturheilkundepraxis HEINZLE 

Altstätten Sg · Since 1999

The company's core activity is the application and dissemination of natural medicine, particularly Traditional Chinese Medicine (TCM), in the form of practical work and possibly also training or consulting.

Naturopathic Clinics
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NNBS-Swiss GmbH Logo

NNBS-Swiss GmbH 

Altstätten Sg · Since 2016

The core activity of NNBS-SWISS is providing catering services for various occasions such as weddings, birthdays, grill events and courses. The company offers individually composed menus and specialties to ensure the culinary well-being of the guests.

Catering
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Brandwork GmbH Logo

Brandwork GmbH 

Altstätten Sg · Since 2015

The company's core activity is providing services in the field of advertising and marketing, including strategy development, design, web development, and communication. The company offers a wide range of services, including brand consulting, competitor analysis, brand development, advertising, web design, social media marketing, content creation, and event design. It supports customers in developing and implementing marketing strategies and campaigns to strengthen their brands and achieve their goals.

Advertising Agencies
View profile4.7(3)
Wüst Immo AG Logo

Wüst Immo AG 

Altstätten Sg · Since 2003

The core activity of Fairtec AG is exhibition stand construction, including pavilion construction, event buildings and exhibition buildings. The company develops and produces individual solutions for customers and takes care of planning, construction, logistics and the assembly and disassembly of exhibition stands.

Metal Construction
View profile5(3)
Gschwend + Willi AG Logo

Gschwend + Willi AG 

Altstätten Sg · Since 1985

The core activity of Gschwend + Willi AG encompasses the planning and execution of construction projects, particularly in the field of timber construction, with a focus on: carpentry (new buildings, renovations, antique timber construction), façade construction (Eternit façade, timber façade, metal façade), roofing (pitched roof, flat roof), joinery (staircase construction, built-in cupboards, kitchen installation, windows), scaffolding and light construction, crane work (elevating platform, winch, pallet fork) and demolition work. The company thus offers a comprehensive range of services in the construction sector, with a focus on timber construction and regional sustainability.

Timber Construction & Carpentry
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Hasler Schreinerei GmbH Logo

Hasler Schreinerei GmbH 

Altstätten Sg · Since 2007

The core activity of Hasler Schreinerei GmbH encompasses the manufacture and installation of furniture and interior fittings, particularly: kitchen construction, furniture production (e.g. built-in cupboards, bathroom furniture, house and room doors, corner benches, tables, cupboards), interior fitting (e.g. laying of floors in various materials such as laminate, cork, linoleum or parquet), and coordination of work with other craftsmen (optional). The company thus offers a comprehensive range of services in the field of interior fitting and furniture production.

Interior Construction
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Isabau GmbH Logo

Isabau GmbH 

Altstätten Sg · Since 2010

The core activity of Isabau GmbH is the provision of services in the field of building envelopes, particularly in the areas of: Roofing work (flat and pitched roofs), Façade work (life expectancy, protection and architectural aesthetics), Sheet metal work (modern architecture and tradition), Roof maintenance, and Production of PV semi-finished products. The company offers comprehensive solutions for building envelopes and supports customers in the planning, consulting and execution of construction projects.

RoofingSheet Metal Work
View profile5(3)
Langenegger Art Logo

Langenegger Art 

Altstätten Sg · Since 2014

The company's core activity is the marketing and sale of artworks, particularly etchings and peasant paintings, by Swiss artist Lilly Langenegger. The company also offers books, cards, puzzles, and videos created by the artist or featuring her works.

Artists
View profile4.3(3)
Müggler Technik in Glas GmbH Logo

Müggler Technik in Glas GmbH 

Altstätten Sg · Since 2020

Müggler Technik in Glas GmbH is a specialist company for glazing and glass processing. The company's core activity includes the planning, manufacture and installation of various glass solutions, including: seat glazing, balcony glazing, conservatories, louvre roofs, sight and sun protection systems, glass partitions, glass pictures and glass printing. The company also offers service and maintenance services for its products and acts as a distribution partner for the COVER brand.

Glaziery
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Schiess Innenausbau AG Logo

Schiess Innenausbau AG 

Altstätten Sg · Since 2018

The core activity of Schiess Innenausbau AG is the provision of services in the field of interior finishing, particularly in carpentry and furniture making. The company offers individual solutions for built-in cabinets, furniture, kitchens, doors, parquet floors, windows, bathroom furniture and other interior finishing projects.

Interior ConstructionTimber Construction & Carpentry
View profile5(3)
Söldi CNC mech. Werkstätte Logo

Söldi CNC mech. Werkstätte 

Altstätten Sg · Since 1998

Söldi CNC mech. Werkstätte is a mechanical machining workshop providing CNC milling and turning for single parts and small to medium series. Services include production of precision parts, prototypes and assemblies, material sourcing, measurement/inspection and arranging external surface treatments, working with materials from aluminium to hardmetals and plastics.

Mechanical Engineering Industry
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Benjamin Lüchinger GmbH Logo

Benjamin Lüchinger GmbH 

Altstätten Sg · Since 2012

The core activity of Benjamin Lüchinger GmbH is the installation, assembly and repair of heating and solar systems, as well as the execution of repair work in the sanitary sector.

Plumbing & Building Services
View profile5(2)
BGW Treuhand AG Logo

BGW Treuhand AG 

Altstätten Sg · Since 2002

The core activity of BGW Treuhand AG is the provision of services in the areas of tax consulting, accounting and financial accounting for individuals and companies. This includes, in particular, the preparation of tax returns, the examination of tax assessments, advice on inheritance matters and support in the founding of companies.

Fiduciary Offices
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Custom Coffee Machines GmbH Logo

Custom Coffee Machines GmbH 

Altstätten Sg · Since 2022

The core activity of Custom Coffee Machines is the manufacture, repair and maintenance of coffee machines, particularly sieve carrier machines from renowned manufacturers. In addition, the company offers individual consulting and design services for coffee machines, including the refinement of machines with wood, stainless steel or gilded accents.

Repair of Machinery & Electronic Devices
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Eugster Holzbau AG Logo

Eugster Holzbau AG 

Altstätten Sg · Since 1975

The core activity of Eugster Holzbau AG is the provision of carpentry, joinery and interior construction services, including: carpentry, joinery, interior construction, conversions, new constructions, renovations, window and door construction, staircase construction, parquet work and wood packaging. The company has been offering these services in the St. Gallen Rhine Valley since 1945 and positions itself as a specialist for timber construction and interior construction.

Building MaintenanceInterior ConstructionTimber Construction & Carpentry
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Grob Schaltanlagen AG Logo

Grob Schaltanlagen AG 

Altstätten Sg · Since 2021

Grob Schaltanlagen AG manufactures low-voltage switchgear and related enclosures and components. The company provides planning, production, assembly and service including modifications, supplies custom external meter cabinets and empty frames, and tests its products according to EN 61439 for residential, commercial and industrial applications up to 3200 A.

Electrical Industry
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Hangartner Treuhand und Unternehmensberatung Logo

Hangartner Treuhand und Unternehmensberatung 

Altstätten Sg · Since 1994

The core activity of Hangartner Treuhand and Unternehmensberatung is the provision of trust and corporate consulting services, particularly for small and medium-sized enterprises (SMEs) in the canton of Appenzell. The services include accounting and controlling.

Fiduciary Offices
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.