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

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10'546 companies found

Heidi Keller iText Logo

Heidi Keller iText 

Uerkheim · Since 2001

The core activity of the company "heidi keller itext" is the creation and editing of texts for various media and formats, including websites, brochures, flyers, newsletters, and final papers. The specific services include writing, proofreading, editing, and SEO optimization of content.

Advertising Agencies
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heidoo Sàrl Logo

heidoo Sàrl 

Préverenges · Since 2019

The core activity of Heidoo sàrl is the manufacture and distribution of advertising items and event accessories, particularly badges, as well as other customizable products such as keychains, mugs, bags, stationery and writing materials. The company positions itself as a specialist in event communication and the dissemination of advertising messages through personalized items.

Advertising Agencies
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Heiner Fierz Cartoon 41 Logo

Heiner Fierz Cartoon 41 

Zurich · Since 1991

The company's core activity is the presentation and marketing of artworks, in particular those of Heiner Fierz, a Zurich-based artist.

ArtistsAdvertising Agencies
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Heinz Wild Design Projects Logo

Heinz Wild Design Projects 

Zurich · Since 2001

The core activity of Heinz Wild Design is the conception and implementation of design projects, particularly in the field of visual communication and event design. The company creates designs for various occasions and events, such as Formula 1 races, art exhibitions (Art Basel), dinner events, and ski world championships. It also offers services in the field of object design, media implementation, and the creation of specialties and give-aways.

Advertising Agencies
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Heise RegioConcept GmbH Logo

Heise RegioConcept GmbH 

Zurich · Since 2018

The company offers a wide range of services in the field of online marketing and digital presence for businesses. The core activities include: creation of websites and online shops, search engine optimization (SEO), Google Ads and search engine advertising, development of smartphone apps, social media services (Facebook business pages), Google Street View 360° photography and video production, data protection packages and consulting, and digital offensive for medium-sized businesses (heise prime). The company supports businesses in developing and optimizing their online presence and offers a broad range of services to improve their visibility, reach and accessibility on the internet.

Advertising Agencies
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Hej AG Logo

Hej AG 

Zurich · Since 2014

The company Hej offers services in the field of integrated communication, particularly in the areas of creation, design, conception and consulting. The core activity includes the development of communication strategies, design and implementation of projects for clients from various industries.

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Hélène Bouillaguet - Ligne(s) de désir Logo

Hélène Bouillaguet - Ligne(s) de désir 

La Tour-De-Peilz · Since 2010

The company "Lignes de désir" specializes in creative services, particularly in the field of visual communication and design. The core activity involves the development of projects in the field of visual identity, possibly also in the areas of advertising, marketing and communication.

Advertising Agencies
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Helga Farkas Artistic Logo

Helga Farkas Artistic 

Aarau · Since 2009

The core activity of Helga Farkas ARTistic is the creation of artistic works, particularly murals and canvas paintings, as well as the production of artisanal items such as design cups, decorative cushions, and gift items. The company also offers creative services to support customers in designing and decorating their living and working spaces.

Advertising Agencies
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helgethelen.com Helge Thelen Logo

helgethelen.com Helge Thelen 

Zurich · Since 1999

helgethelen.com Helge Thelen develops Internet, intranet and multimedia solutions and provides web and multimedia services for corporations, agencies, cultural institutions and public administration. Activities include projects such as EmeraldScreen (video and animation SlowArt‑clips for large full‑HD displays) and the virtual Design‑Museum (Design‑Museum.net).

Advertising AgenciesPublic Relations Consulting
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Hella Studio GmbH Logo

Hella Studio GmbH 

Bern · Since 2018

The core activity of HELLA STUDIO is the provision of full-service creative services, particularly in the areas of concept development, visual implementation, communication design, graphic design, photography, and project management. The company positions itself as a creative agency that develops and implements sustainable concepts to create authentic communication that has an impact.

Advertising Agencies
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Heller Design, Grafik & Werbung Logo

Heller Design, Grafik & Werbung 

Embrach · Since 1992

The core activity of Heller Design Grafik & Werbung is the creation of graphic and advertising materials, including design services.

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Hello Jrene GmbH Logo

Hello Jrene GmbH 

Bern · Since 2019

The company's core activity is the development of Customer Experience (CX) and the creation of texts for digital and analog media, particularly in the field of UX Writing. The company supports organizations in strengthening their relationships with customers and employees by developing and implementing targeted measures to improve the customer experience. This also includes creating texts that people understand and motivate to act, as well as developing content strategies and conducting UX research.

JournalismAdvertising AgenciesPublic Relations Consulting
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Hello There GmbH Logo

Hello There GmbH 

Rickenbach B. Wil · Since 2023

Hello There GmbH designs and develops websites with a focus on WordPress solutions such as one-pagers, landing pages, microsites and online shops. The company also provides content creation, maintenance, hosting, backups, reporting and WordPress training.

Advertising AgenciesSoftware Development
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Helveticom Agency SA Logo

Helveticom Agency SA 

Geneva · Since 2015

The core activity of Helveticom Agency is the provision of digital marketing services, including: website design and development, search engine optimization (SEO), social media management, paid online advertising, and email marketing. The company supports customers in developing and implementing digital marketing strategies to strengthen their online presence and achieve their goals.

Advertising Agencies
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Henner & Partner Consultants GmbH Logo

Henner & Partner Consultants GmbH 

Zug · Since 2000

The core activity of HENNER Consulting GmbH is the creation of websites and the provision of marketing services to support companies in their online presence and appearance. The company offers services such as website design, website development and marketing strategies to help companies grow and increase their visibility on the internet.

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Henry's Lodge GmbH Logo

Henry's Lodge GmbH 

Zurich · Since 2012

The core activity of Henry's Lodge is the creation of visual communication, particularly the design of logos, corporate designs, brochures, websites and book covers for small and large companies, with the aim of inspiring their customers.

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Heritage Global SA Logo

Heritage Global SA 

Lugano · Since 2012

Heritage Global SA is a creative production company that develops and produces cross‑media content and videos for brands. It provides concept development, storytelling and production services, selects filmmakers, talent and influencers, and connects branding and direct‑response activities across channels using data.

Advertising AgenciesPublic Relations Consulting
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HerrMannKomm GmbH Logo

HerrMannKomm GmbH 

Muri B. Bern · Since 2020

The company provides services in the field of integrated marketing communication. The core activities include: Online Public Relations, Corporate Communications, Social Media Content Management, HR Communication, Translations into plain language, Editing and Proofreading. The company supports customers in the development and implementation of communication strategies and offers a wide range of services to improve communication between companies and their target groups.

Advertising Agencies
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Herzog Consulting GmbH Logo

Herzog Consulting GmbH 

Eglisau · Since 2024

Herzog Consulting GmbH is a consultancy focused on marketing, employer branding and communication, providing holistic brand, marketing and campaign management as well as internal and external communication services. The firm also offers corporate and specialist consulting from strategy to C‑level sparring, interim management and senior project advisory with established implementation partners.

Management ConsultingAdvertising Agencies
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Herzog Neue Medien & Marketing Logo

Herzog Neue Medien & Marketing 

Baden · Since 2016

The core activity of Herzog Neue Medien & Marketing is the provision of marketing services, in particular the strategic planning and operational implementation of marketing measures for small and medium-sized enterprises (SMEs). This includes, among other things, the development of marketing concepts, target group analyses, sales funnel optimization, pricing strategies, content creation, design and branding, as well as the implementation of performance marketing measures such as search engine optimization.

Advertising Agencies
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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.
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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.
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