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TC Holding AG 

Weinfelden · Since 2008

The core activity of TC Holding AG is the provision of financial services, particularly in the areas of private equity investments, asset management, and financial consulting. The company offers a range of services, including: Private equity investments in various industries and markets; Asset management for institutional and private investors; Financial consulting for companies, banks, hedge funds, pension funds, and governments; Real estate investments and management; and Corporate consulting and strategy development. The company positions itself as a globally active financial services provider with a strong focus on innovative solutions and sustainable value creation for its customers and partners.

Testa Media GmbH 

Weinfelden · Since 2023

Testa Media GmbH is the publisher of the Weinfelder Anzeiger and is responsible for the newspaper's layout and editorial publication as well as the associated website. It handles advertising sales and offers regional advertising placements in the print and online editions.

Text und Konzept-Werkstatt Urs Tiefenauer 

Weinfelden · Since 2003

Text und Konzept-Werkstatt Urs Tiefenauer develops communication concepts, plans PR campaigns and provides communications consulting including naming and branding work for companies and non-profit organizations. The practice also produces professional texts for print and online (editorial pieces, press releases, advertising copy, newsletters) and offers corporate publishing services.

TH-Conservations GmbH 

Weinfelden · Since 2012

The core activity of the company "TH Conservations" is the conservation, restoration and reproduction of art and cultural assets, in particular architectural surfaces, monuments, wall paintings, stone sculptures and small objects.

Thomas Spleiss AG 

Weinfelden · Since 2009

The core activity of Thomas Spleiss AG is the creation of CAD drawings and technical visualizations for the window construction industry, particularly in 2D and 3D, including animations and realistic visualizations for marketing purposes.

Thurgauer Kantonalbank 

Weinfelden

TKB-Jubiläums-Stiftung 

Weinfelden · Since 2003

TKB-Jubiläums-Stiftung provides grants for cultural, artistic, scientific and charitable events and projects, including association anniversaries, new instrumentation/uniforms and renovations of conservation-worthy buildings. Funding is awarded only to projects in the Canton of Thurgau or to applicants with a clear connection to Thurgau; CD and film productions, projects of religious groups (except state churches), political events and sports events are excluded.

Troja Management AG 

Weinfelden · Since 2005

Troja Management AG performs certified welding, pipe assembly and district heating projects. The company also provides tank fabrication, prefabrication and project support including consulting, technical planning and site coordination for energy, industrial and municipal clients.

U.M.P. Unternehmer- & Management-Partner AG Schweiz 

Weinfelden · Since 2024

The core activity of U·M·P AG Switzerland is advising and supporting companies in Mergers & Acquisitions (M&A) transactions, particularly in searching for and acquiring companies (acquisitions) as well as in the sale of companies (disposals).

Unical AG 

Weinfelden · Since 1989

Unical AG manufactures heating boilers for various energy sources and supplies associated system components such as storage tanks, boilers and control systems. The company provides consulting on heat demand and distribution, preparation of hydraulic and electrical schematics, prefabrication of boiler control panels, commissioning with functional and safety checks, operator instruction, and service and repair of boilers and controls.

uPUNKTconsulting gmbh 

Weinfelden · Since 2021

The core activity of uPUNKTconsulting gmbh is the consulting and support of companies in the areas of strategy, risk, compliance, finance and law. The focus is on accompanying companies in the development and implementation of strategies, identifying and managing risks, complying with compliance requirements and optimizing financial processes.

UWITA GmbH 

Weinfelden · Since 2020

The core activity of UWITA GmbH is to advise and support companies in their digital transformation, particularly in the development of strategies and plans for the successful implementation of digitization projects. The focus is on accompanying company management and CIOs in overcoming barriers and creating the prerequisites for a successful digital transformation.

Verein phoenix 

Weinfelden · Since 2020

The phœnix company is a social service provider specializing in the care and support of young people. The company's core activity is to create living spaces where young people can experience community, belonging, and orientation. This includes providing housing, promoting self-efficacy, and laying the groundwork for individual development steps. The company also offers on-site support and organizes events and activities for young people.

Wälli AG Ingenieure 

Weinfelden · Since 2000

Wälli AG Ingenieure is an engineering firm providing services in structural engineering, civil engineering and geoinformatics. Its work includes structural design and load-bearing concepts, infrastructure planning and execution, and geodata preparation and related services such as leak detection and geodata ordering.

Wan-Jet AG 

Weinfelden · Since 1988

Wan-Jet AG provides building protection services including waterproofing, injections, concrete repair, structural reinforcement and coatings. The company also performs high‑pressure water jetting for surface preparation, concrete removal and industrial cleaning.

Wanzenried Fassaden AG 

Weinfelden · Since 2001

The core activity of the Wanzenried Group encompasses real estate construction, building protection, water jetting, facade construction and panel construction. The company offers a wide range of services in the construction sector, including planning, execution and maintenance of construction projects.

WEGA-Messe AG 

Weinfelden · Since 2005

The core activity of WEGA-Messe AG is the organization and implementation of trade fairs and events, in particular the annual WEGA fair in Weinfelden, which serves as a marketing instrument for the region and generates an economic benefit of around CHF 6.5 million.

Weideli Treuhand & Beratung 

Weinfelden · Since 2014

Weideli Treuhand & Beratung provides bookkeeping, year‑end closing, VAT filings and tax return preparation, and manages payroll administration. The practice also offers business consulting (analyses, budgeting, business plans), company valuation and M&A support, group accounting according to IFRS, and ERP setup and training, operating in German and English.

Werner Keller Architekturbüro AG 

Weinfelden · Since 1991

The company's core activity is the provision of architectural services.

Wittwer Fispo GmbH 

Weinfelden · Since 2005

WITTWER finanzen-vorsorge.ch offers consulting services in the areas of financing, insurance, pension planning, capital investments, estate planning and will execution. The core activity includes creating individual solutions and plans for private individuals and companies, including financial and pension planning, risk management, insurance and pension funds.

WITTWER financial planning 

Weinfelden · Since 2006

WITTWER financial planning provides financial and pension planning as well as estate and succession planning and performs pension/benefit analyses. Additional services include insurance and pension fund solutions, risk management, portfolio analysis, fiduciary services and will execution.

alinea gmbh, Agentur für Kommunikation 

Weinfelden · Since 1996

The core activity of wmp senn gmbh is the provision of services in the fields of advertising, marketing and public relations (PR). Specifically, this includes the development of concepts and strategies for companies, the creation of designs and branding measures, the creation of texts and content, the planning and implementation of advertising measures in print and digital media, as well as the consulting and support of companies in their communication with their target groups.

zitlose Verlag KLG 

Weinfelden · Since 2023

zitlose Verlag KLG is a book publisher that issues literary romance novels and provides editorial services and proofreading. The publisher presents works by Bruno Thomann and offers excerpts, book purchasing information and audio samples related to its titles.

greencom gmbh 

Weinfelden · Since 2025

Steffi Jung GmbH 

Weinfelden · Since 2025

Steffi Jung GmbH provides global mobility and international HR services for SMEs, focusing on the planning, organising and support of cross-border employee assignments. Services include tax and social-security advice, immigration and visa support, relocation management, contract and compensation advice, repatriation support, mobility outsourcing and training.

Moldy Tech GmbH 

Weinfelden · Since 2025

Moldy Tech GmbH designs and installs smart‑home automation systems using KNX and Loxone, with integration options for protocols such as BACnet, Modbus and DALI. Services include lighting, shading, heating/cooling and ventilation control, zonal audio, access control and renovation work including marble and granite.

Sakutshang 14 GmbH 

Weinfelden · Since 2025

Madörin Früchte und Genüsse GmbH 

Weinfelden · Since 2025

Madörin Früchte und Genüsse GmbH is a retail shop offering fresh fruits and vegetables from regional producers, a selection of organic products, homemade pasta and regional specialties. The business also operates a café-bistro serving soups, a salad buffet, take-away meals and homemade desserts, prepares gift baskets and rents its premises for events.

Bollhalder Industrielogistik AG 

Weinfelden · Since 2025

Jube Healthcare Management Jung 

Weinfelden · Since 2004

Jube Healthcare Management Jung provides quality management and regulatory compliance consulting, focusing on ISO 13485, ISO 9001, MDD, FDA 510(k), CMDCAS and CE regulations.

AAS Consulting GmbH 

Weinfelden · Since 2020

The core activity of AAS Consulting GmbH is the provision of services in the areas of accounting, tax consulting, legal consulting and business consulting.

ADUR Werbung AG 

Weinfelden · Since 1999

The company's core activity is the development and provision of a digital financial planner designed to support customers in making demanding financial decisions.

Akmon AG 

Weinfelden · Since 2009

The core activity of AKMON AG is the sale of dietary supplements and health products, in particular vitamin C products such as acerola and noni fruit products, through an online shop.

Artfugen & Baudicht GmbH 

Weinfelden · Since 2017

The core activity of Artfugen & Baudicht GmbH is the execution of joint sealings in all types, including connection joints, expansion joints, special joints and more, as well as providing services in the areas of renovation, new buildings and fire protection.

AW-Pure.ch AG 

Weinfelden · Since 2020

beiron gmbh 

Weinfelden · Since 2024

beiron gmbh is a software development company that designs and builds custom web and mobile applications, enterprise software, e‑commerce platforms and ML/AI solutions. Its services include dedicated development teams, UI/UX design, testing and QA, business intelligence, and cloud/DevOps support.

Bernadette Wirth-Granwehr, Restaurant, Gartenschüür 

Weinfelden · Since 2015

The core activity of the company Gartenschüür is the provision of services in the field of horticulture and landscape gardening.

Bodenmann 

Weinfelden · Since 1993

ETB Sensortechnik GmbH 

Weinfelden · Since 1998

Experiment für eine humane Erde, Stiftung für Kultur und Forschung 

Weinfelden · Since 1986

Freiwillige Schweineassekuranz-Genossenschaft des Kantons Thurgau 

Weinfelden · Since 1908

The company's core activity is to insure pigs against risks such as diseases, accidents or death through a voluntary insurance scheme for pig farmers in the canton of Thurgau.

Genossenschaft Messen Weinfelden 

Weinfelden · Since 1965

The core activity of the company 'Messen Weinfelden' is the organization and implementation of trade fairs and events, particularly in the areas of leisure, travel, knowledge, prevention and well-being, living, house and garden, as well as professional trade fairs and apprentice days. The company also offers trade fair marketing, event organization and congress center services.

Greminger Treuhand GmbH 

Weinfelden · Since 2005

HFO Holding AG 

Weinfelden · Since 2003

Horto Heckenpflanzen GmbH 

Weinfelden · Since 2015

HTTP 418 GmbH 

Weinfelden · Since 2022

isofutura gmbh 

Weinfelden · Since 2009

The core activity of Isofutura GmbH is the implementation of energetic renovations, conversions, extensions and new constructions of real estate, where a holistic concept for the property is developed before the renovation begins.

Krebsliga Thurgau 

Weinfelden · Since 1960

Kumschick Rechtsanwälte AG 

Weinfelden · Since 2024

Kumschick Rechtsanwälte AG is a law firm providing legal advice and representation. The team includes lawyers and specialists who act as public certifiers, mediators, and an employment law specialist.

LVI Leadership (in) Validation & Innovation AG 

Weinfelden · Since 2019

The company provides professional services in the field of IT infrastructure, including: operation of operating systems (Solaris, Linux, Windows); operation of database systems (DB2, MySQL, MSSQL, Oracle); operation of web middleware (Tomcat/Apache/Websphere, IIS); security services (firewalls, data protection); data center operation; and IT sourcing and consulting. The company supports customers in planning, implementing, and operating their IT infrastructure, offering customized solutions for small and medium-sized enterprises.