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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,219 companies indexed · Last updated: today
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16'697 companies found

Onvest AG Logo

Onvest AG 

Basel · Since 1995

The core activity of Onvest AG is asset management and structuring of financial products via the Smart Alpha platform. The company offers services such as product structuring, risk reduction and return enhancement. It collaborates with renowned market participants to offer innovative financial products and supports customers in launching and managing their products.

External Asset ManagementFunds & Investment Companies
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Open House Basel - Architektur für alle Logo

Open House Basel - Architektur für alle 

Basel · Since 2016

The company "Unternehmen Mitte" is an organizer of architecture events, particularly the Open House Basel, and offers guided tours and building visits. It is also active in corporate communications and event management.

Trade Fair & Event Organizers
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Open Interactive GmbH Logo

Open Interactive GmbH 

Basel · Since 2008

The core activity of Open Interactive is the development and maintenance of web projects, particularly with the content management systems Craft CMS and Magnolia DXP. The company offers in-depth expertise for the tailored design and meticulous maintenance of web projects, including system customization, integration with other systems, and ensuring a high level of security.

Software Development
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OpenIRIS Association Logo

OpenIRIS Association 

Basel · Since 2023

The company provides a platform for managing resources, access rights, and services. The core activity includes the development and provision of software solutions for managing complex organizational relationships, defining pricing models, managing appointments and resources, as well as supporting service requests and error tracking.

Software Development
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Open Tide GmbH Logo

Open Tide GmbH 

Basel · Since 2023

Open Tide GmbH is a consulting and engineering firm that helps organizations optimize software engineering practices and assess the use of AI. It provides strategic software consulting, technology selection, process improvement, technological business transformation, and AI integration, with emphasis on software quality, reliability and developer experience. The firm serves sectors including cybersecurity, energy, aerospace, life sciences and insurance, and offers services in English, French and German.

Software Development
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OPTIMA machinery Switzerland AG Logo

OPTIMA machinery Switzerland AG 

Basel · Since 2024

OPTIMA machinery Switzerland AG designs and supplies packaging machines, filling machines and turnkey production systems for precise dosing, filling and packaging of liquid and solid products. The company also provides services including spare parts, maintenance, retrofit, installation, digital products and lifecycle support.

Mechanical Engineering IndustryPackaging Industry
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OPTIMAPHARM CRO Schweiz AG Logo

OPTIMAPHARM CRO Schweiz AG 

Basel · Since 2013

The core activity of Optimapharm is the conduct of clinical trials and the provision of services as a Contract Research Organization (CRO) for the pharmaceutical industry, particularly for pharmaceutical and biotechnology companies.

Holding Companies
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Opus Holzbau GmbH Logo

Opus Holzbau GmbH 

Basel · Since 2021

The core activity of Opus Holzbau GmbH is timber construction, specifically the planning and execution of construction projects using wood as the primary building material.

Timber Construction & Carpentry
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orange & teal GmbH Logo

orange & teal GmbH 

Basel · Since 2020

orange & teal GmbH is a team of development professionals that provides project and programme design, technical advice, and evaluations for international development work. Their core expertise includes skills development, private sector development, entrepreneurship, social inclusion, gender equality, migration, rule of law, and governance.

Management ConsultingMarket Research Institutes
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Oren Kirschenbaum Logo

Oren Kirschenbaum 

Basel · Since 2021

The company's core activity is the production of music videos, concert recordings, live streams and image films for artists and cultural institutions.

Film & TV Production
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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.