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Daniel Thierstein 

Biel/Bienne · Since 1989

The core activity of Thierstein Antiquariat is the trade in antique books and other collector's items.

DAPONA AG 

Biel/Bienne · Since 2019

The company develops and offers an open standard web service that enables customers to create digital solutions without programming and investment. The web service is freely configurable, easy to use and immediately available. The company specializes in the digitization of business processes and offers a web-based solution that can be applied to various industries and areas of application. The company's core activity is the development and distribution of standard software for the digitization of business processes.

DECIPERF Sàrl 

Biel/Bienne · Since 2010

DeciPerf is a consulting firm specializing in the fields of controlling and corporate management. The company's core activity is to support small and medium-sized enterprises in improving their decision-making competence and performance. To this end, DeciPerf offers consulting services in the areas of controlling, corporate governance, and Corporate Performance Management (CPM). The company assists its clients in implementing solutions for corporate governance and supports them in selecting and implementing suitable tools and systems.

De Gregorio SA 

Biel/Bienne · Since 1999

The core activity of DE GREGORIO AG/SA is the provision of services in the field of painting and plastering, including design and other services related to these activities.

Dejex SA 

Biel/Bienne · Since 1979

The core activity of DEJEX SA is the manufacture of various types of springs (ressorts), including micro-springs, compression springs, traction springs and torsion springs, as well as standard springs. Additionally, the company also offers laser cutting services.

Delta Management AG 

Biel/Bienne · Since 1991

The core activity of Delta Management AG is fiduciary services and corporate consulting.

Delta Personal Service AG 

Biel/Bienne · Since 1997

Delta Personal Service AG provides staffing and HR services, including temporary placements, permanent recruitment, Try&Hire, payrolling and outsourcing. Its services cover roles in construction, industrial, technical and commercial sectors.

Dental Clinic Dr.med.dent. Basir Hakimi GmbH 

Biel/Bienne · Since 2013

The core activity of Dental Clinic Dr.med.dent. Basir Hakimi GmbH is the provision of dental medical services, including oral surgery, dental treatments, dental hygiene, dental implants, dental prosthetics, and anesthesia treatments. The company offers a wide range of dental services to promote the health and well-being of its patients.

Dentissima AG 

Biel/Bienne · Since 2023

The core activity of DENTISSIMA AG is the provision of dental medical services, including the treatment of dental accidents, tooth extractions, acupuncture, low laser therapy and general dentistry. The company operates a dental practice in Biel/Bienne and offers various treatment options to promote the health and well-being of its patients.

dermatologie hübscher ag 

Biel/Bienne · Since 2022

The company's core activity is dermatology, including allergology, dermatosurgery, laser treatments and aesthetic dermatology. The company provides medical treatments and services in the field of skin and venereal diseases.

Despont SA 

Biel/Bienne · Since 1993

Despont SA is a company specialising in sanitary installations, sheet-metal work and flat roofing. It provides installation, repair and maintenance services for water, gas and heating systems, including boilers, water heaters, decalcification equipment and pipe unblocking.

Devia AG 

Biel/Bienne · Since 2020

The core activity of BLZ-Company SA is the production and distribution of spirits, particularly the basil-based spirit DEVIA.

Dialog Umwelt GmbH 

Biel/Bienne · Since 2007

The core activity of dialog:umwelt is the provision of services in the fields of environment, communication and corporate consulting.

Diametal Invest AG 

Biel/Bienne · Since 2001

Diametal Invest AG manufactures precision cutting tools and superabrasive grinding wheels and provides engineering services for customised grinding and cutting applications. The company offers diamond and CBN tools, application engineering and an Application Center for process development and testing; sectors served include automotive, watchmaking, medical technology, aerospace and micromechanics.

Diametal AG 

Biel/Bienne · Since 1936

Diametal provides tailored engineering services and solutions for micro-machining, grinding and high-performance cutting. They develop and manufacture cutting tools, superabrasive wheels and offer personalized services to support their customers' success in various industries.

Digitalmacher GmbH 

Biel/Bienne · Since 2022

The core activity of Digitalmacher GmbH is to offer services in the field of employer branding, personnel recruitment and recruiting for Swiss SMEs (Small and Medium-sized Enterprises). This includes in particular: Developing and communicating an emotional employer brand, conducting marketing campaigns for employer branding, organizing photo shoots and digital application processes, conducting workshops for employees and management, supporting the creation of a strong employer brand, and providing suitable personnel for SMEs. The company supports SMEs in presenting their unique brand and culture, reducing personnel recruitment costs, and winning the perfect candidate for their team.

Dihawag AG 

Biel/Bienne · Since 1980

The company specializes in the development, manufacture and distribution of tools and technologies for machining and processing materials, particularly in the field of precision turned parts and medical technology. It also offers services such as engineering, service and coating.

Diyar.2 GmbH 

Biel/Bienne · Since 2024

Diyar.2 GmbH provides moving, transport and cleaning services. Offerings include private and commercial moves with packing and transport, as well as end-of-tenancy, office and household cleaning.

DIZI IMMO AG 

Biel/Bienne · Since 2023

DIZI IMMO AG provides real estate services including property management, technical building maintenance and accounting. The website lists services such as purchase and sale support, rental marketing and lease administration, maintenance and renovation planning, and rent and charges accounting.

dna-Plasturgie Sàrl 

Biel/Bienne · Since 2011

dna-Plasturgie Sàrl is a company specialized in plastic injection moulding. It provides turnkey project services — feasibility studies, material and mold selection, tool manufacture and adjustment, and production — and collaborates with partners for bi‑material injection and gear/worm‑screw components.