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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,089 companies indexed · Last updated: today
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2'477 companies found

Nieren- und Hochdruckzentrum Schaffhausen AG Logo

Nieren- und Hochdruckzentrum Schaffhausen AG 

Schaffhausen · Since 2023

Nieren- und Hochdruckzentrum Schaffhausen AG provides specialist cardiology and nephrology services, offering diagnostic work-up and clinical management for heart, kidney and blood-pressure conditions. Services include dialysis and renal replacement therapies (hemodialysis, peritoneal dialysis, home hemodialysis, holiday dialysis), cardiological diagnostics (echocardiography, resting/exercise and long-term ECG) and hypertensiology assessments with interdisciplinary coordination.

Cardiology ClinicsOther Specialist Clinics
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Novel Uhren AG Logo

Novel Uhren AG 

Schaffhausen · Since 2022

The core activity of NOVEL Uhren is the manufacture and distribution of mechanical watches, particularly the traditional, artisanal production and refinement of watches in Schaffhausen, Switzerland.

Watch Industry
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OBT AG Logo

OBT AG 

Schaffhausen · Since 1990

OBT AG provides fiduciary, audit and advisory services for SMEs, public-law bodies, foundations and associations, and offers tax and legal advice, HR services and IT solutions (e.g. Abacus, OBT Swiss Cloud).

Management Consulting
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Occlutech AG Logo

Occlutech AG 

Schaffhausen · Since 2023

Holding Companies
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Occlutech Holding AG Logo

Occlutech Holding AG 

Schaffhausen · Since 2000

The company develops and manufactures medical devices and products for the treatment of cardiovascular diseases, particularly for interventions in congenital heart defects and heart failure. The core activities include the production of products such as occlusion devices (e.g. PFO, ASD, PDA), atrial flow regulators and other accessories, as well as the provision of services such as clinical studies, live cases and patient support.

Medical Technology Industry
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Oechsli + Partner Architekturbüro AG Logo

Oechsli + Partner Architekturbüro AG 

Schaffhausen · Since 1982

The core activity of Oechsli + Partner Architekten is the provision of architectural services.

Architecture Firms
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OekoCool AG Logo

OekoCool AG 

Schaffhausen · Since 2007

The core activity of OekoCool AG is the provision of services in the field of building technology, particularly in the areas of heating, ventilation and air conditioning. This includes consulting, planning and owner representation for renovations, new constructions and the operational optimization of building and energy technology systems.

Specialized Construction Installations
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Onkologie-Schaffhausen AG Logo

Onkologie-Schaffhausen AG 

Schaffhausen · Since 2021

The company's core activity is the medical care of patients with cancer diseases, particularly in the fields of oncology and hematology. The company offers diagnosis, treatment and follow-up care based on the latest medical and scientific findings and places the personal, individual care of patients at the center of its work.

Other Specialist Clinics
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Osak Immobilien & Haustechnik AG Logo

Osak Immobilien & Haustechnik AG 

Schaffhausen · Since 2018

Osak Immobilien & Haustechnik AG specialises in heating, sanitary and ventilation systems as well as the purchase, sale and rental of real estate. The company provides building-services planning, installation, renovation and maintenance, and supports property transactions.

General ContractorsReal Estate BrokerageReal Estate Project Development
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Ost-West Anlagenmontage GmbH Logo

Ost-West Anlagenmontage GmbH 

Schaffhausen · Since 2022

Ost-West Anlagenmontage GmbH provides industrial assembly services, including pre-assembly and installation of piping systems, structures, tanks and valve blocks, as well as assembly and dismantling of individual machines and technological units.

Specialized Construction Installations
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Otte & Partner Management Consulting GmbH Logo

Otte & Partner Management Consulting GmbH 

Schaffhausen · Since 2000

The core activity of OMC is the consulting, implementation and outsourcing of SAP solutions, particularly in the areas of Human Capital Management (HCM), Business Warehouse (BW) and Business Intelligence (BI). This also includes the provision of support and helpdesk services, as well as the assumption of payroll and salary accounting tasks.

IT Consulting & Services
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OUI-E Communications, Yolanda Pantli Logo

OUI-E Communications, Yolanda Pantli 

Schaffhausen · Since 2019

The core activity of OUÏ-E Communications is the provision of communication services, particularly in the areas of: Editorial Services (text creation for various media), Public Relations (PR events, media releases, journalist relations), Social Media (channel maintenance, content creation, advertising), Blogger and Influencer Marketing (cooperations with bloggers and influencers), Illustrations and Infographics (creation of visual content), and Event Organisation (notably the Small Beauty Business Award). The company focuses on sustainable lifestyle products and small businesses, especially in the beauty industry.

Public Relations Consulting
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PARALLELS International GmbH Logo

PARALLELS International GmbH 

Schaffhausen · Since 2007

The core activity of Parallels International GmbH is the development and provision of software solutions for virtualization, remote desktop and application management, particularly for Mac and Windows operating systems. The solutions enable users to run multiple operating systems on a single computer, manage applications and desktops, and securely access SaaS solutions and corporate web applications.

Software Development
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Park Consulting AG Logo

Park Consulting AG 

Schaffhausen · Since 1992

Park Consulting AG is a fiduciary and business consulting firm offering audit, tax advisory, accounting and VAT services. Its services also include financial statement review, corporate consulting (formation, restructuring, succession), HR outsourcing, pension advice and estate/succession-related counsel.

Fiduciary Offices
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PAT CNC-Bearbeitung AG Logo

PAT CNC-Bearbeitung AG 

Schaffhausen · Since 2010

PAT CNC-Bearbeitung AG manufactures turned and turn-milled parts from bar stock in single-piece and series production, processing titanium, stainless steels, plastics and non-ferrous metals. Services include design and development consulting, quotations, subcontracted post-processing (heat and surface treatments), packaging and quality documentation with in-process measurement; the company is ISO 9001 certified.

Mechanical Engineering Industry
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P. Bührer GmbH, Architekturbüro Logo

P. Bührer GmbH, Architekturbüro 

Schaffhausen · Since 1995

Architecture Firms
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Peakteq GmbH Logo

Peakteq GmbH 

Schaffhausen · Since 2010

Peakteq GmbH is a consulting firm that helps organisations operationalise strategies and develops business and sales processes, runs change programmes, provides interim management and executive search, and works on ICT and digitalisation projects.

IT Consulting & Services
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Pegel Pegel GmbH Logo

Pegel Pegel GmbH 

Schaffhausen · Since 2022

Pegel Pegel GmbH is a record label and the homebase of Stereo Luchs. It operates an online shop offering releases (vinyl, CD, tape) and merchandise, and provides contact addresses for label and booking inquiries.

Licensing & Marketing of Intellectual PropertyRecording Studios & Audio Production
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Pem Consulting Logo

Pem Consulting 

Schaffhausen · Since 2010

The core activity of PEM-CONSULTING is to advise and support companies in the home and community catering sector in the implementation of quality management systems, hygiene concepts and company-specific training programs.

Management Consulting
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Peter Kwasny International AG Logo

Peter Kwasny International AG 

Schaffhausen · Since 2004

Peter Kwasny International AG is listed as a subsidiary of Peter Kwasny GmbH and is part of the group that develops and manufactures aerosol paint systems, spray paints, touch‑up pens and surface‑preparation products. The group’s portfolio includes brands such as Auto‑K, SprayMax and belton and offers private‑label services as well as sustainability initiatives.

Wholesale - Chemical & Plastic Products
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Frequently asked questions

Searching the directory

How the search works, what each filter means, and how the results come together.

What can I search for in the directory?
The search field matches company names, industries and places. Beyond that you can filter by Industry (18 categories based on the NOGA classification), Size (number of employees), Region (canton, language region or postal code) and Special (keywords and entry date). Filters combine freely; the active ones appear as chips below the filter bar and can be removed there individually.
How do keywords work?
Keywords search the description and stated purpose of each company — the text that goes beyond the company name. Multiple keywords are combined with OR: every additional keyword widens the set of matches rather than narrowing it.
What belongs in the postal code field?
A single postal code (e.g. 8000) or a range (e.g. 1000-1010). The field accepts postal codes only — for place names, use Canton or Language region.
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How is organisation size determined?
Size reflects the number of employees and is calculated from publicly available information by a model developed in-house. It is a best-possible estimate, not an official figure.
What does the Verified label mean?
Verified means the entry is tied to a UID (Swiss business identification number) and therefore links back to the official Swiss business register. The label speaks to the company's identity — it is not a rating of its performance.

Source: Federal Statistical Office, UID register

How do I sort the results?
Use the dropdown above the list: Relevance, Name (A–Z), Best rating, Most reviews or Longest established. You can also switch between list and map view and set how many results appear per page.