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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
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16'700 companies found

ON3 ARCHITEKTEN GmbH Logo

ON3 ARCHITEKTEN GmbH 

Basel · Since 2004

ON3 ARCHITEKTEN GmbH is an architectural practice that carries out all planning and realisation phases, from study and design through execution planning to construction and site supervision. The firm designs single-family homes, residential and commercial buildings as well as public projects, and undertakes renovations, conversions and interior fit-outs, with a focus on housing. The practice also operates the related company on3 neues wohnen ag as a general contractor and offers an associated interior furnishing activity.

Architecture FirmsGeneral Contractors
View profile3(6)
on3 immobilien ag Logo

on3 immobilien ag 

Basel · Since 2022

Real Estate Brokerage
View profile3(6)
on3 neues wohnen ag Logo

on3 neues wohnen ag 

Basel · Since 2009

on3 neues wohnen ag is a general contractor for residential development that develops and delivers housing projects. The company manages planning, coordination and implementation tasks on behalf of clients.

Architecture FirmsGeneral Contractors
View profile3(6)
PALL (SCHWEIZ) GmbH Logo

PALL (SCHWEIZ) GmbH 

Basel · Since 1997

PALL (SCHWEIZ) GmbH supplies filtration, separation and purification products and related services, including filters, membrane systems and filter elements. It serves applications across industries such as biopharmaceuticals, food and beverage, microelectronics, aerospace, industrial manufacturing and power generation.

Mechanical Engineering Industry
View profile4.3(6)
Proboz GmbH Logo

Proboz GmbH 

Basel · Since 2024

The core activity of Proboz GmbH is the provision of comprehensive marketing services, including online and offline marketing, graphic design, branding, photo and video production, personnel placement and social recruiting. The company acts as an external marketing department for other companies and offers tailored solutions to achieve their marketing goals.

Advertising Agencies
View profile5(6)
Prophima AG Logo

Prophima AG 

Basel · Since 2023

Electrical Industry
View profile4.3(6)
ProviSI GmbH Logo

ProviSI GmbH 

Basel · Since 2024

ProviSI GmbH is a real estate service provider offering property management, commercial and technical administration, and project planning for renovations and conversions. Services include property accounting and tenant administration, scheduling and coordination of contractors, and implementation of ecological solutions such as solar systems, electric vehicle charging and eco-friendly heating.

Property Management
View profile4.3(6)
Raphael Blechschmidt Haute Couture GmbH Logo

Raphael Blechschmidt Haute Couture GmbH 

Basel · Since 2010

Raphael Blechschmidt is a fashion atelier specializing in the production of high-end women's clothing. The company's core activity is the design, manufacture and sale of bespoke women's clothing, particularly Haute Couture, in its own atelier and retail store in Basel.

Textile & Clothing Industry
View profile4.7(6)
Rheintec Solutions AG Logo

Rheintec Solutions AG 

Basel · Since 2020

The core activity of Rheintec Solutions AG is the provision of IT security services, including Managed Security Services (MSS), consulting, audits and engineering. The company offers tailored solutions for businesses to protect their digital assets and improve their IT security.

IT Consulting & ServicesIT Security
View profile4.3(6)
River Advice AG Logo

River Advice AG 

Basel · Since 2015

The core activity of River Advice AG is the provision of white-label services on Europe's waterways.

Management ConsultingTransport Companies
View profile3(6)
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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.