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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,173 companies indexed · Last updated: today
DirectoryIT & Communication

IT & Communication

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47'425 companies found

Decentralized Security AG Logo

Decentralized Security AG 

Zurich · Since 2021

The core activity of Decentralized Security AG is the conduct of security audits and the development of solutions in the field of blockchain security. The company provides specialized services to ensure the security of blockchain transactions and applications.

IT Consulting & ServicesIT Security
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Deicher Kopp GmbH Logo

Deicher Kopp GmbH 

Buchrain · Since 2014

The core activity of Deicher | Kopp Kommunikation is communication consulting, including the development of communication concepts, crisis communication, media work, personnel selection, media and appearance training, as well as moderation. The company supports customers in strategic and operational communication issues and offers individual solutions for their communication needs.

Public Relations Consulting
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Delphine Burtin Logo

Delphine Burtin 

Pully · Since 2001

The company's core activity is photography, particularly artistic photography, as well as participating in exhibitions and publishing photography books.

Advertising Agencies
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Delta Office AG Logo

Delta Office AG 

Volketswil · Since 1998

Delta Office AG develops and provides industry-specific ERP and business software for architecture and engineering firms, including the preconfigured Delta Project Control on an Abacus platform. The company performs business process analysis and ERP standardization, manages implementation projects, and delivers training and ongoing support. Its services also cover digital workplace solutions, resource management and invoicing functionality.

IT Consulting & Services
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Delta Services AG Logo

Delta Services AG 

Volketswil · Since 2005

Delta Services AG provides business software and ERP solutions for engineering and architecture firms, including the Delta Project Control system for process standardization and project control, as well as a digital workplace and support services.

IT Consulting & Services
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Designalltag Rinderer GmbH Logo

Designalltag Rinderer GmbH 

Winterthur · Since 2008

The company is a design and communication agency specializing in the design and positioning of brands, products, and spaces. Its core activities include: development of visual identities and appearances, creation of advertising concepts and campaigns, design of digital solutions and media, creation of emotional experiences and brand experiences, positioning of companies and brands in the market, and development of corporate cultures and identities. The agency offers its services in various areas, including signage, branding, advertising, digital, and communication design.

Advertising Agencies
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DESIGNKRAFT GmbH Logo

DESIGNKRAFT GmbH 

Zurich · Since 2014

The core activity of Designkraft GmbH is the creation of graphic design and web development for companies across various industries, including design agency services such as branding, corporate design, visual communication, and web design.

Advertising Agencies
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deva tech gmbh Logo

deva tech gmbh 

Rothenburg · Since 2020

The core activity of deva tech gmbh is the planning, installation and maintenance of fiber optic networks, including FTTH (Fiber to the Home) installations, LWL (optical fiber) installations and OTDR (Optical Time-Domain Reflectometry) measurements, as well as the provision of products and services in the fiber optic sector.

Telecommunications
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Devisio AG Logo

Devisio AG 

Lenzburg · Since 2021

The core activity of Devisio is to digitalize and simplify the tendering processes of architectural firms and construction companies in the Swiss construction industry. Specifically, Devisio offers a platform that reduces administrative effort in tendering and obtaining offers by automating the process and using intelligent processes.

Web Portals & Platform Companies
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Dexion Services AG Logo

Dexion Services AG 

Basel · Since 2009

The core activity of Dexion Services AG is the provision of IT services, particularly in the areas of: network environments and system solutions, IT support and service, project planning and implementation, managed services, security and outsourcing, cloud services, telephony and internet access, mobile working and time tracking. The company offers its customers a wide range of IT solutions and services to support and optimize their IT infrastructure.

IT Consulting & ServicesIT Infrastructure & CloudSoftware Development
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d-factos SA Logo

d-factos SA 

La Chaux-De-Fonds · Since 2012

The core activity of d-factos SA is to provide services and solutions in the field of information technology (IT), particularly in the areas of: * Development and implementation of ERP systems (Cortex ERP Solutions) * Telecommunications services (Téléphonie) * IT security and support * Financial and budget planning tools The company offers its customers a comprehensive range of IT services, with the aim of improving their information management and communication processes and increasing their performance.

IT Consulting & Services
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DHCS Data & Hardware Care Solutions GmbH Logo

DHCS Data & Hardware Care Solutions GmbH 

Winterthur · Since 2019

The core activity of DHCS Data & Hardware Care Solutions GmbH is the comprehensive management of used IT equipment, including: purchasing and selling used IT hardware such as computers and servers; secure and certified data erasure and destruction on various storage media; sustainable and resource-efficient utilization of IT equipment; and developing customized solutions for the reuse and sale of IT equipment. The company aims to create added value for all parties involved, including the environment, by promoting sustainable and responsible use of resources.

IT Infrastructure & Cloud
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dialogika Markus Ahmadi Logo

dialogika Markus Ahmadi 

Basel · Since 2014

The core activity of dialogika is the creation of communication solutions for companies, particularly in the areas of concept development, text creation, design and production of marketing materials such as customer magazines, image brochures, websites and social media content. The company also offers consulting services in the areas of branding, communication strategy and content creation.

Public Relations Consulting
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dia solutions GmbH Logo

dia solutions GmbH 

Basel · Since 2017

The core activity of DIA Solutions GmbH is the development and provision of software solutions for efficient data management, particularly for energy suppliers, plant operators and SMEs. The solutions include, among other things, digital plant management, mobile data collection, indexing and full-text search, as well as the integration of IoT and Office 365 interfaces. The goal is to make work processes more efficient and transparent.

Software Development
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diewerbeartikel gmbh Logo

diewerbeartikel gmbh 

Schwyz · Since 2005

The company's core activity is the conception, consulting and delivery of advertising materials for businesses to support their marketing and communication strategy. The company offers a wide range of advertising materials, including 3D cards, puzzles, special productions and other innovative solutions to convince and delight customers. Additionally, the company provides seminars and workshops to support customers in the successful use of advertising materials.

Advertising AgenciesWholesale - General Specialty Trade
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Digiboo GmbH Logo

Digiboo GmbH 

Küsnacht Zh · Since 2009

The core activity of Digiboo Verlag is the publication of books, particularly in the fields of art, culture, current topics, philosophy, and history. The publishing house supports publications from the idea to marketing and offers books in both printed and e-book formats.

Publishing
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Digi-Lith Sàrl Logo

Digi-Lith Sàrl 

Biel/Bienne · Since 2020

The core activity of Digi-Lith Sàrl is to provide services in the field of photography and image processing, specifically: Studio photography with high-end equipment, creation of 360° photographs, photo retouching including chromatic correction, photomontage, removal of objects or backgrounds and adaptation to various media, and proofing, i.e. creation of print-ready templates, certified according to ISO standards. The company offers these services primarily to the watchmaking sector, but also to other industries.

Advertising Agencies
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digital nalu GmbH Logo

digital nalu GmbH 

Walchwil · Since 2019

The core activity of digital nalu is the consulting and implementation of data-driven marketing for companies, including data analysis, campaign implementation, tracking and knowledge transfer. The company supports its customers in their digital transformation and helps them optimize their marketing strategies to achieve measurable success.

Advertising Agencies
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Digital VisionAIR Frei Logo

Digital VisionAIR Frei 

Wilen (Sarnen) · Since 2021

The core activity of Digital VisionAIR is the provision of services in the field of Digital Marketing, particularly: Search Engine Optimization (SEO), Graphic Design, Web Design, Google Ads, Social Media Marketing, Display Marketing, and Newsletter Marketing. The company supports customers in improving their online presence and performance to achieve their goals and increase their online revenue.

Software Development
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digratec GmbH Logo

digratec GmbH 

Mühlau · Since 2004

The core activity of digratec GmbH was the management of IT infrastructure and network technology for small and medium-sized enterprises (SMEs) in Switzerland.

IT Consulting & ServicesIT Infrastructure & Cloud
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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.