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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,089 companies indexed · Last updated: today
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Citybasel-36
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1'123 companies found

Balsec GmbH Logo

Balsec GmbH 

Basel · Since 2000

Balsec GmbH provides consulting services in ICT infrastructure, focusing on internet connectivity, firewalls, servers and telephony. The website lists Radim Svejda as managing director and consultant.

IT Consulting & Services
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Barty Concepts GmbH Logo

Barty Concepts GmbH 

Basel · Since 2024

Trade Fair & Event Organizers
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Baubüro Rietschi GmbH Logo

Baubüro Rietschi GmbH 

Basel · Since 2015

Baubüro Rietschi GmbH provides planning and construction management services for building projects, coordinating project execution and site supervision.

Architecture Firms
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bau kultur landschaft gmbh Logo

bau kultur landschaft gmbh 

Basel · Since 2015

The core activity of the company 'bau kultur landschaft' under the management of Florian Rauch in Basel and the Black Forest primarily includes services in the fields of architecture, building research, monument preservation and landscape design. Specifically, the company offers the following services: architectural services according to SIA and HOAI, building research, including dendrochronological and fabric-related dating, monument preservation and monument protection, restoration and repair of historic buildings and cultural assets, damage analysis, damage recording and damage mapping, site design and landscape planning. The company specializes in working on historic buildings, cultural assets and landscapes, particularly in the Black Forest and the Basel region.

Architecture Firms
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Bauwert Schweiz GmbH Logo

Bauwert Schweiz GmbH 

Basel · Since 2019

The company's core activity is the strategic planning and consulting of property owners, portfolio managers and planners in the field of real estate. This includes market and location analysis, the development of decision-making bases, the consideration of life cycles of building components and the accompaniment of planning and construction processes.

Real Estate BrokerageReal Estate Project Development
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BC Gallery GmbH Logo

BC Gallery GmbH 

Basel · Since 2020

The core activity of BCGallery is the presentation and sale of contemporary art in a gallery.

Art & Antique Trade
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BDCTec GmbH Logo

BDCTec GmbH 

Basel · Since 2024

BDCTec GmbH provides network infrastructure, alarm and video surveillance, as well as access control and loss-prevention systems. Its services include planning, installation, maintenance and consulting for security and IT infrastructures.

IT Consulting & Services
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Belchengruppe GmbH Logo

Belchengruppe GmbH 

Basel · Since 2013

The core activity of the Belchengruppe company is the development, manufacture and distribution of Swiss watches, particularly mechanical watches with a focus on design and precision.

Industrial & Product Design
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Berrel Berrel Kräutler AG Logo

Berrel Berrel Kräutler AG 

Basel · Since 2009

Berrel Berrel Kräutler AG is an architectural practice providing design and planning services for residential and institutional projects, including renovations, extensions and new construction.

Architecture Firms
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Blaus GmbH Logo

Blaus GmbH 

Basel · Since 2024

Blaus GmbH sells and installs plissé insect protection systems. The company supplies custom-made insect screens and aluminium frames (e.g. 16/18/22/28 mm), offers wholesale and retail solutions, and provides on-site installation and service.

Wholesale - Construction & Raw Materials
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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.