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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
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3'289 companies found

Odd Fellow-Haus, Genossenschaft Logo

Odd Fellow-Haus, Genossenschaft 

Basel · Since 1930

Real Estate Brokerage
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Oettli Consulting Logo

Oettli Consulting 

Basel · Since 2022

Oettli Consulting provides IT services focused on information security, auditing and consulting. Services include ISO lead auditing, business process consulting and training workshops in information security.

IT Consulting & Services
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Oettinger Davidoff AG Logo

Oettinger Davidoff AG 

Basel · Since 1959

The core activity of Oettinger Davidoff is the manufacture and distribution of handmade premium cigars and luxurious cigar accessories.

General Goods ProductionWholesale - Food & Luxury Items
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Offbeat Concert GmbH Logo

Offbeat Concert GmbH 

Basel · Since 2012

The company Offbeat Concert GmbH is primarily active in the organization and implementation of jazz concerts and festivals. It provides a platform for national and international jazz musicians to present their music to a wide audience. The company's core activity includes planning, organizing and implementing concerts, festivals and other musical events, as well as managing subscriptions, ticket sales and sponsorship partnerships.

Cultural & Educational Organizations
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onmedia AG Logo

onmedia AG 

Basel · Since 2021

onmedia AG plans, deploys and operates broadband networks with a focus on satellite systems, supporting customers in securing connectivity for special applications, temporary networks and high-reliability environments. The company also acts as an international aggregator, facilitator and distributor of electronic rights, managing acquisition, marketing and technical fulfilment for audiovisual content and video games.

TelecommunicationsWeb Portals & Platform Companies
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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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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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oriented.net GmbH Logo

oriented.net GmbH 

Basel · Since 2004

The core activity of oriented.net GmbH is the provision of services in the field of information technology, particularly in the areas of: * Managed Open-Source Software * Linux servers * Web hosting * Network security * Virtual private servers (VPS) * Dedicated servers * Server housing * Cloud storage * Encrypted e-mail. The company also offers complementary services such as web development, graphic and corporate design, web authoring, and hardware sales.

IT Consulting & ServicesIT Infrastructure & CloudSoftware Development
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Oswald Dillier, Modelle und Objekte Logo

Oswald Dillier, Modelle und Objekte 

Basel · Since 2002

The company's core activity is the creation of architectural models, construction models and exhibition models for architects, general contractors, museums and artists. The company also provides specialized consulting and problem-solving services in the field of model making.

Model Building
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OTP Holding AG Logo

OTP Holding AG 

Basel · Since 1996

OTP Holding AG provides HR consulting services for corporate and private clients, including outplacement/newplacement, assessments, executive and business coaching, as well as training and HR development. The company also supports restructurings and staff reductions, career management and change management, and serves as the Swiss representative of Career Partners International.

Holding Companies
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LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
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.
Per page
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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.