Companies in
Altnau

198 companies based in Altnau — name and year of registration from the commercial register, indexed across 86 industries.

Companies

50 of 198 companies

Karl Hecht, Glasinstrumente und Geräte "Assistent" GmbH

Medical Technology Industry · Since 1963

Precision glassware and laboratory productsCustom glass productsOEM and private-label manufacturing

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Nägeli's Erben AG

Campgrounds · Since 1969

Camping pitchesGroup accommodationAccommodation

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Nasbo-Werft AG

Shipbuilding · Since 1983

Boat salesBoat service and repairWinter storage

View profile4.4(23)

Altanova AG

Property Management · Since 1987

Rental of apartmentsRental of commercial spacesManagement of rental properties

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Ergosoft AG

IT Consulting & Services · Since 1987

Ergosoft RIPDelta AutomationNetworked Department

View profile4.2(5)

Ehroflug Altnau GmbH

Aircraft Manufacturing · Since 1989

Aircraft construction

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Urs Wilhelm

Restaurants · Since 1990

RestaurantHotelSéparée for guests with a dog

View profile4.9(30)

Verein Ferien auf dem Bauernhof (VFB)

Professional & Trade Associations · Since 1995

Farm holidaysChildren’s holidaysHorse riding holidays

View profile5(1)

Blueme Suter

Retail - Flowers & Plants · Since 1996

FloristryGrave careMourning flower arrangements

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Wick Guido, Vieh- und Schweinehandel

Wholesale - Agricultural Materials & Animals · Since 1996

Livestock trading

View profile5(1)

Suter Gartenbau

Horticulture & Landscaping · Since 1996

Landscape gardening and garden projectsGarden care and maintenancePlantings

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JOGA Med AG

Cosmetics Industry · Since 1996

Pharmaceutical confectioneryConfectionery for the food tradeFilling, packing and packaging of pharma and food products

View profile4.7(3)

Scheiwiller Bootsfahrschule Altnau GmbH

Driving & Flight Schools · Since 1998

Boating schoolTraining boatsTeaching materials and vouchers

View profile5(2)

Schlosserei Griesemer GmbH

Metal Construction · Since 2000

Metal constructionIronworkMetal processing

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Dolphin Marine Supply, Jürg Rudolf

Shipbuilding · Since 2001

Custom yacht equipment and accessoriesSourcing, advice and delivery of yacht accessoriesInstallation, conversion and optimisation of onboard systems

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LMK Technik AG

Retail - Machinery & Technical Equipment · Since 2001

Agricultural machineryPower equipment technologyMunicipal equipment

View profile4.7(15)

K2 Group GmbH

Food Processing · Since 2002

Bakery goods and fine pastriesRestaurant and café in AltnauCatering and delivery service

View profile4.7(237)

Stefan Züst

Shipbuilding · Since 2003

Wood boat restorationsNew construction of wooden boatsConstruction of wooden masts

View profile4.3(7)

Trionfini, Satz Druck Verlag AG

Printing Companies · Since 2003

Printing houseNewspaper (General Advertiser)Special pages

View profile4(4)

Wick Kalbermast GmbH

Wholesale - Agricultural Materials & Animals · Since 2003

Veal and livestock trading

View profile5(1)

Viteras GmbH

Food Processing · Since 2004

Dietary Supplements and Detox Products (V*tera)Professional Detox SeminarsProtocols, Patient Materials and Professional Support

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swissRTec AG

Waste Management Industry · Since 2006

Recycling plants and solutionsShredder and separation plantsDelamination and separation plants

View profile4.6(12)

Wohlrab GmbH

Painting & Plastering · Since 2006

Painting workFacade workSpray work

View profile5(2)

Häberlin+Fenners AG

Building Construction · Since 2007

New buildGeneral contractorExtensions, conversions and renovation

View profile4.9(11)

Rupaal Finanz Holding AG

Holding Companies · Since 2007

Succession planning for SMEsEquity stakes in industrial companies

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G2 Architekten AG

Architecture Firms · Since 2007

Architectural planningConversion and renovation planningResidential building planning

View profile5(2)

Held Transporte

Logistics & Transport Companies · Since 2007

Boat and special transportsTransport escorts (ATB)Special permits

View profile5(6)

Energie - Heilpraxis Susanne Aeberhard

Naturopathic Clinics · Since 2009

Energetic TreatmentsHarmonisation of Water Veins, Earth Rays and ElectrosmogWater Vitalisation

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CTAA Swiss Cornelia Kaiser

Auto Repair Shops · Since 2009

Roadside assistanceService coordination via service pointsClaim and incident coordination

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Welcome Home GmbH

Interior Design & Furnishing · Since 2009

Interior furnishingCurtains and window stylingCurtain service

View profile4.6(5)

Kleintierpraxis Altnau AG

Veterinary Clinics · Since 2010

Basic care for small animalsLaboratory testsX-ray

View profile4.6(163)

rpg-services GmbH

Online Shops · Since 2010

Game downloadsFree gamesMemberships & credit codes

View profile4.4(54)

Utz Haushaltgeräte Inhaber Stefano Bucca

Repair of Machinery & Electronic Devices · Since 2010

Repair of household appliancesSales, installation and replacement of household appliances

View profile5(8)

Sports-Media Twerenbold

Photography · Since 2011

Sports photographyEvent and match coverage for HC ThurgauOnline photo galleries

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WEBFOX GmbH

Advertising Agencies · Since 2011

Online MarketingWebsite DevelopmentGoogle Ads

View profile5(45)

Design und Architektur, Oliver Kirstein

Advertising Agencies · Since 2013

Web designSearch Engine OptimizationContent & SEO texts

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UNQ AG

Catering · Since 2015

RestaurantBanquets and eventsEvent location

View profile4.6(781)

sesemi GmbH

Management Consulting · Since 2015

Sensors with Data Processing and AlertingTemperature and Humidity SensorTemperature and Humidity Sensor for Indoor Use

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Bernd Heller GmbH

Repair of Machinery & Electronic Devices · Since 2015

Repairs of construction, agricultural, forestry and municipal machinesRestorationsCustom and special fabrication

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Solar One Invest AG

Solar & Photovoltaics · Since 2016

Photovoltaic systemsReal estate brokerageProject financing

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Häberlin+Fenners Immobilien AG

General Contractors · Since 2017

New constructionGeneral contractorExtensions and renovations

View profile4.9(11)

Bucca Haushaltgeräte GmbH

Repair of Machinery & Electronic Devices · Since 2017

Repair of household appliancesSale, installation and replacement of household appliances

View profile5(8)

hochamwind GmbH

Sports & Recreation Instruction · Since 2018

Online Offshore Certificate CourseOffshore Certificate Practice ExamsTraining and Sea-Mile Voyages

View profile5(58)

Heid Management

Fiduciary Offices · Since 2018

Finance & ControllingPersonnel Management & DevelopmentAgile Project Management

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Stormrider Motorcycles Saner

Automotive & Vehicle Trade · Since 2018

MotorbikesWorkshop serviceMotorcycle accessories and spare parts

View profile5(53)

Ochsen Metzgerei Wattinger AG

Retail - Food & Luxury Items · Since 2018

Butcher’s shopCateringEvent hire equipment

View profile5(48)

Kolb Consulting AG

Management Consulting · Since 2018

Relocation advisory for individuals and businesses

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LeelaWolke GmbH

Kindergartens & Nurseries · Since 2019

Childcare

View profile5(5)

Bäckerei Kunz GmbH

Food Processing · Since 2019

Bakery and confectionery productsRestaurant, café and brunchCatering and delivery service

View profile4.7(237)

All4Silver International GmbH

Jewelry & Precious Metal Manufacturing · Since 2019

Sterling silver jewellery wholesaleStainless steel jewellery wholesaleChildren’s jewellery wholesale

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Show 38 more companies

Altnau in figures

198CompaniesCommercial register (Zefix) · as of August 26, 2026

86IndustriesNOGA 2025, FSO classification

2018Median year of registrationCommercial register (Zefix) · as of August 26, 2026

0.9 %of the Canton of ThurgauCommercial register (Zefix) · as of August 26, 2026

Industry index

All 4 industries in Altnau

Industries with fewer than 5 companies in Altnau are not listed.

All industries in Switzerland

Retail & Commerce28

Auto Repair Shops6

Tourism & Hospitality11

Restaurants8

Finance & Insurance11

Holding Companies6

Real Estate11

Property Management6

Show all

Locations

Altnau and surroundings

Point size by number of companies per place.

Source: commercial register (Zefix) · as of August 26, 2026

Largest places

Frauenfeld2,331 Kreuzlingen2,040 Weinfelden1,116 Amriswil956 Arbon859 Romanshorn775 Tägerwilen592 Sirnach522 Aadorf452 Bottighofen450

Companies in
Altnau

50 of 198 companies

All 4 industries in Altnau

Altnau and surroundings

More places in the Canton of Thurgau

Companies in all 26 cantons

Companies inAltnau

50 of 198 companies

All 4 industries in Altnau

Altnau and surroundings

More places in the Canton of Thurgau

Companies in all 26 cantons

Companies in
Altnau