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Bissig Zurfluh AG 

Altdorf Ur · Since 1998

Bissig Zurfluh AG is part of the Abicht Group and provides building services engineering and consulting, with competencies in heating, ventilation, air conditioning, sanitary and electrical systems, building automation, as well as fire protection and safety. The company supports projects across the building lifecycle from development and planning to operation, including energy and sustainability consulting.

Bollinger & Stocker Treuhand AG 

Altdorf Ur · Since 2005

The core activity of Bollinger & Stocker Treuhand AG is the provision of trust services, particularly in the areas of: * Taxes (tax consulting and handling) * Accounting (management and monitoring of accounting systems) * Auditing (examination and monitoring of company figures) * Business consulting (advising companies on entrepreneurial matters) * Real estate management (management and administration of real estate) These services are offered primarily to small and medium-sized enterprises (SMEs) as well as to private individuals.

Brandschutz Bissig GmbH 

Altdorf Ur · Since 2020

The core activity of Brandschutzbissig GmbH primarily encompasses services in the field of fire protection, including consulting, planning, quality assurance, concept development, and documentation. Additionally, the company offers the distribution of fire protection products and operates a service center for fire extinguishers. Another important activity is pest control, particularly the control of wasps, bees, and hornets, including consulting, prevention, and elimination.

BRICKER.CH 

Altdorf Ur · Since 2019

The core activity of BRICKER.CH is the provision of services in the fields of history, communication and media. Specifically, this includes: historical research and publications, archive research and creation of archive plans, texts on historical topics and lectures, media work, texts, (political) campaigns and concepts, public relations and communication, project management and leadership support, and management of digital channels. The company thus offers a combination of historical research, communication services and project management.

BRISTENMED PRAXIS AG 

Altdorf Ur · Since 2015

BRISTENMED PRAXIS AG is a group primary care practice providing general internal medicine and continuous, holistic patient care. Services include digital X‑ray, ECG, 24‑hour blood‑pressure monitoring, lung function testing, ultrasound, minor surgical procedures, travel and vaccination advice, and a Chronic Care Management (MPK) program for patients with chronic conditions.

Carrosserie & Autospritzwerk Geser GmbH 

Altdorf Ur · Since 2005

The company Geser Carrosserie is engaged in the manufacture and repair of vehicle bodies.

Christen Treuhand 

Altdorf Ur · Since 1997

The core activity of Christen Treuhand is the provision of services in the areas of accounting, taxes, auditing, trust and administration, specifically: payroll and financial accounting, tax consulting, auditing, condominium administration, and trust services. The company thus offers comprehensive services for companies and private individuals in the areas of finance, taxes, and administration.

Christine Wolf GmbH 

Altdorf Ur · Since 2023

The company's core activity is the planning and implementation of interior design and construction projects in existing buildings, with a particular focus on creative and identity-building solutions.

CK PRORAIL AG 

Altdorf Ur · Since 2005

CK PRORAIL AG provides consultancy and project management services for the railway sector, including conception, realisation and result checking, temporary external management and dangerous goods consulting.

CONVISA AG 

Altdorf Ur · Since 1973

CONVISA AG provides corporate advisory and fiduciary services for SMEs, supporting business developments and succession planning. Services include tax advisory, audit, legal advice, accounting/bookkeeping, payroll and social insurance administration, and employee pension consulting.