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BeWuTech GmbH 

Witterswil · Since 2014

The core activity of M. Jenni GmbH is the sale and repair of entertainment electronics such as TV devices, hi-fi systems and speakers. This also includes services such as the installation and maintenance of home networks, the setup of speaker systems and the professional installation of TV devices. The company also offers its own repair workshop, where defective devices are repaired.

B'SYS GmbH 

Witterswil · Since 2009

The core activity of B'SYS GmbH is to provide services as a Contract Research Organization (CRO) in the field of Ion Channel Discovery for pharmaceutical companies. In particular, the company offers rapid screening services for new substances on ion channel drug targets, including safety services, discovery services, serum shift assays, action potential assays, ion channel trafficking assays, cardiac panel and cardiovascular toxicity tests.

Delta AquaTec GmbH 

Witterswil · Since 2024

Erzer AG 

Witterswil · Since 1993

The core business of Erzer AG encompasses the areas of sanitary, sheet metal work, heating and flat roofing, including general planning for construction and renovation projects.

ESH GmbH 

Witterswil · Since 2020

The core activity of ESH GmbH encompasses the areas of geothermal technology, sanitary and heating. Specifically, the company offers services such as installation, renovation and conversion of sanitary facilities, complete assembly of heating systems, maintenance and repair work, as well as geothermal technology.

Frischknecht-Frühauf AG 

Witterswil · Since 2002

Frischknecht-Frühauf AG is a supplier to the Swiss jewelry industry, manufacturing various components and findings for jewelry production, such as interchangeable clasp systems, cufflink buttons, ring rails, brooch mounts, hollow balls, setting capsules, stainless steel balls, spring wire, and polishing paste.

Hügin Ofenbau GmbH 

Witterswil · Since 2021

Hügin Ofenbau GmbH is a stove-construction company that designs, builds and services residential fire appliances. Its offerings include tiled storage stoves, fireplaces and fireplace renovation, whole-house heating systems, chimney construction, wood-fired kitchen stoves and pellet stoves, and it operates an online shop selling grill rings and pizza ovens.

InShape GmbH 

Witterswil · Since 2021

The core activity of InShape GmbH encompasses two main areas: 1. Event Management: The company provides services for the organization and execution of events, including Major Events, Private Events, Event Services, and Event Consulting. 2. Health and Fitness Services: InShape GmbH offers personal training with and without EMS (Electrical Muscle Stimulation) as well as nutrition counseling.

Institut für angewandte Pflanzenbiologie AG 

Witterswil · Since 2018

The company's core activity is the monitoring and analysis of forest ecosystems and urban trees, including the study of influences such as climate change, air pollutants and soil compaction. This also includes laboratory analysis of plant, soil and water samples, as well as conducting measurements and observations in forest and urban areas.

Jäggin + Schwendner GmbH 

Witterswil · Since 2016

The core activity of Jäggin + Schwendner GmbH is the provision of dental medical services, including dentistry, acupuncture and laser therapy.

KONTCH's E & E GmbH 

Witterswil · Since 2018

The core activity of KONTCH's E&E is the cultivation, processing and sale of coffee. The company practices sustainable agriculture to produce high-quality coffee and also offers special coffee creations developed with biological expertise. Furthermore, the company is committed to social projects, particularly in the areas of education and social well-being of its employees and the surrounding communities.

Lisser Pensionsstall GmbH 

Witterswil · Since 2006

Lisser Pensionsstall GmbH is a family-run horse boarding stable providing individual care and boarding for horses and ponies. The facility includes turnout boxes, a stable aisle, an outdoor riding arena, an indoor hall and pastures, and it hosts riding courses and events while allowing riders to bring their own instructors.

Luwimmo GmbH 

Witterswil · Since 2008

The core activity of luwimmo gmbh is the professional management and brokerage of real estate, including rental properties, condominium ownership, sales, appraisals, construction management and owner representation. The company provides in-depth consulting and tailored solutions for property owners and strives for long-term partnerships.

Oenoservice Hänzi GmbH 

Witterswil · Since 2003

The core activity of Oenoservice Hänzi GmbH is the provision of oenological services and consulting, particularly in the areas of viticulture and winemaking.

Pathology Experts GmbH 

Witterswil · Since 2009

The core activity of Pathology Experts GmbH is to provide expert knowledge and services in the field of toxicological pathology and preclinical research, particularly in the areas of: histopathology expert groups, regulatory support, biotherapeutics, digital pathology, and neuropathology. The company supports the development of artificial intelligence (AI) in pathology and offers services such as annotation and quality control of digital pathology data. It also provides expert knowledge for the evaluation and review of histopathological data and supports the translation of non-clinical histopathological data into relevant information for human safety.

QCW - Quality Consulting Wüthrich GmbH 

Witterswil · Since 2010

QCW - Quality Consulting Wüthrich GmbH provides quality consulting, audit and training services focused on GLP/GxP and ISO compliance, including facility, study and archive audits, CRO and supplier audits, SOP review, inspection-readiness support, and computer system validation. The company also offers document and data audits, mock inspections and full QA support services.

Schönenberger Paul 

Witterswil · Since 1994

Schönenberger Paul provides fiduciary and advisory services to SMEs, municipalities, foundations and non-profit organisations. Core services include tax advice and planning, bookkeeping, preparation of annual financial statements and audit/revision services. The practice also supports company formation, interim management, VAT accounting and financial controlling.

A. Barth & Co. Interstate Tours 

Witterswil · Since 1995

braunimpuls GmbH 

Witterswil · Since 2021

The core activity of the company "braunimpuls GmbH" is the implementation of auditor mentoring and in-house training in the field of quality management, particularly for companies that regularly evaluate their quality management system through audits. The company also offers online mentoring, AI in auditing, and the development of supplier audit concepts.

Eventsystems GmbH 

Witterswil · Since 2003