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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,378 companies indexed · Last updated: today
DirectoryIT & Communication

IT & Communication

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47'263 companies found

alius consulting GmbH Logo

alius consulting GmbH 

Zurich · Since 2012

The core activity of Alius Consulting is consulting and planning in the field of rail transport and systems. The company offers services such as timetable planning, analysis of operational processes, performance modeling, evaluation of timetable robustness and network design. It uses innovative methods and state-of-the-art tools to analyze the dynamics of rail transport and develop efficient solutions for high-performance rail services.

Software Development
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Alix Sàrl Logo

Alix Sàrl 

Geneva · Since 2021

Software Development
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Alkev GmbH Logo

Alkev GmbH 

Freienbach · Since 2009

Alkev GmbH operates under the trading name Soaflow and provides digital transformation and advisory services, including blockchain advisory, project management, business analysis, software development, web design and cyber security.

IT Consulting & Services
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all4cloud Schweiz AG Logo

all4cloud Schweiz AG 

Cham · Since 2019

The company all4cloud offers services and solutions in the field of cloud technology, particularly in the implementation and use of SAP systems for businesses. The core activity of the company is to support customers in their digital transformation and optimization of their business processes by providing practical and effective solutions for the implementation of cloud-based ERP systems (Enterprise Resource Planning).

IT Consulting & Services
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all4data Dumont Logo

all4data Dumont 

Teufenthal Ag · Since 2011

The core activity of ALL4DATA is to advise and support companies in the implementation and operation of Product Information Management Systems (PIM). This includes in particular: project management for PIM projects, data migration and management, implementation of PIM applications (STEP and cmi24), ensuring the operation of PIM systems, and PMO support and project controlling. The company supports customers in centralizing and managing product data and helps with the digitization of business processes.

IT Consulting & Services
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All4Education GmbH Logo

All4Education GmbH 

Cham · Since 2022

The company All4Education develops and implements software solutions for the education sector, particularly for schools and further education institutions. The core activities include: Development of administrative software for schools and education companies, Implementation of digital solutions for education, such as learning management and school administration software, Project management and consulting for educational institutions in the digitalization of their processes, Research and development of innovative technologies such as blockchain, machine learning and artificial intelligence for education, Development of chatbots and other digital tools to support educational institutions. The core activity of the company is therefore the development and implementation of digital solutions for the education sector, with the aim of optimizing and digitizing the administration and teaching of educational institutions.

Software Development
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all4net GmbH Logo

all4net GmbH 

Basel · Since 2016

The all4net GmbH company offers services in the field of physical IT infrastructure, particularly: planning, installation, maintenance and management of copper and fiber optic infrastructure; life cycle management for IT infrastructure; consulting and support in various industries, especially in the field of building technology and IT security. The company's core activity is therefore the planning, implementation and maintenance of IT infrastructure solutions for companies and organizations.

IT Infrastructure & Cloud
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all4time AG Logo

all4time AG 

Effretikon · Since 2005

IT Consulting & Services
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Allagi GmbH Logo

Allagi GmbH 

Wilen B. Wollerau · Since 2020

Allagi GmbH provides business consulting, networking and technology consultancy focused on cross-border collaboration. Services include business networking, cross-cultural coaching, software engineering resourcing and technology advice on AI, blockchain and cybersecurity.

Management ConsultingIT Consulting & Services
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AllCall Harry Kopf Logo

AllCall Harry Kopf 

Bülach · Since 2010

The core activity of AllCall is the provision of services in the field of Information and Communication Technology (ICT) and Network Consulting. This includes in particular: Consulting in the areas of ICT, IT, telecommunications, internetworking, building automation and network; Coaching for companies in the implementation of projects; Project management for complex projects or phases thereof, including sub-projects and overall project management; Support in planning, implementation and budgeting of projects; Communication at all levels with various stakeholders, from end-users to CxO. The company positions itself as a neutral and independent partner, supporting companies in overcoming challenges in the ICT and network area.

IT Consulting & ServicesTelecommunications
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allcom-ing GmbH Logo

allcom-ing GmbH 

Muttenz · Since 2002

allcom-ing GmbH provides communications engineering and IT services, offering consulting, customer-specific concepts and turnkey implementations; services include advice on computers and networks, support for process control systems (SPS), document management systems (DMS) and user training.

Technical Consulting & EngineeringIT Consulting & Services
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Alldis & Partner GmbH Logo

Alldis & Partner GmbH 

Fehraltorf · Since 2021

The core activity of Alldis & Partner GmbH is the provision of services as a Digital Marketing Agency.

Advertising Agencies
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Allegion International AG Logo

Allegion International AG 

Baden · Since 1989

The core activity of Interflex is the development and provision of workforce management and access control solutions, including its own hardware and software as well as related services such as installation, maintenance and support.

Manufacture of IT HardwareSoftware Development
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allenfalls gmbh Logo

allenfalls gmbh 

Bern · Since 2018

The core activity of the company "allenfalls" is the publishing and distribution of books, notebooks and other printed materials, particularly in the fields of literature and art.

Publishing
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allerlei hoch zwei GmbH Logo

allerlei hoch zwei GmbH 

Zurich · Since 2016

allerlei hoch zwei GmbH publishes and sells educational materials and operates a webshop offering workbooks and accompanying teacher resources. The company provides a password-protected learning platform for pupils and a downloads area with supplementary materials. It also produces design and layout for digital and printed media.

Information & News Services
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Alles gesagt, Andrea Machura Logo

Alles gesagt, Andrea Machura 

Basel · Since 2017

The core activity of the company 'Alles gesagt' is the creation and communication of corporate content, particularly the development of stories and visions for products and services. The company offers services in the field of corporate communications, such as creating engaging content to uniquely position companies and their products.

Public Relations Consulting
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AllesHealth GmbH Logo

AllesHealth GmbH 

Muttenz · Since 2023

The core activity of AllesHealth is the development and provision of digital solutions for healthcare, particularly for patients, caregivers, hospitals, and clinics. The company focuses on creating a patient-centered healthcare system that enables cost-effective and personalized care. AllesHealth's products and services include, among others, the Aeonix platform, which allows patients and healthcare providers to manage and share health data, as well as programs such as SUNITA, which focus on the prevention and treatment of cervical cancer.

Software DevelopmentSoftware Trade
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Allfinanz online AG Logo

Allfinanz online AG 

Zurich · Since 2009

Allfinanz online AG provides advisory services to businesses and private clients, covering consulting, project implementation and online marketing. The company also offers broker services for real estate, investments, insurance, credit and leasing, as well as office support for SMEs including secretarial tasks, invoicing and bookkeeping.

Insurance Brokerage & ConsultingAdvertising Agencies
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Allgemeine Plakatgesellschaft AG Logo

Allgemeine Plakatgesellschaft AG 

Aarau · Since 2013

Allgemeine Plakatgesellschaft AG is the concessionaire within the APG|SGA group and markets analog and digital out-of-home advertising spaces. The company procures, installs and maintains advertising sites and urban furniture and provides services including campaign planning and booking, rental and performance measurement, mobile targeting and promotional activations.

Advertising Agencies
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Allianz Digitale Sicherheit Schweiz ADSS Logo

Allianz Digitale Sicherheit Schweiz ADSS 

Zug · Since 2021

The company's core activity is to promote digital security for small and medium-sized enterprises (SMEs) in Switzerland. To this end, the company offers various services, including: The awarding of the CyberSeal quality seal, which certifies IT service providers that they take appropriate measures to ensure their customers have adequate protection against cyber risks. Conducting audits and orientation workshops for IT service providers to support them in implementing security standards and instruments. Providing information and training for SMEs and their IT service providers to support them in strengthening their cyber resilience. The company thus focuses on improving the cyber security of SMEs in Switzerland and offers various services and instruments to this end.

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

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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.