ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryIT & CommunicationPR agencyZurichGromann Marketing
Gromann Marketing Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Gromann Marketing is a communications agency serving authorities, municipalities, cities, cantons and public administrations. It provides strategy and concept development, operational communication support and services such as websites, social media content, campaigns, branding, plain-language texts and training.

AI-generated
Offering

Products & services

Industry:PR agency
✓ Offered8
Communications Consulting
Communication strategies and concepts for authorities, municipalities, cities, cantons and public administrations; including strategic and operational consulting as well as referendum and crisis communication.
Operational Communications Support
Operational support for communication tasks in administration and public authorities; from implementation and ongoing support to communication across digital and analogue channels.
Websites for Public Institutions
Planning and production of websites for authorities, municipalities, cities, cantons and public administrations; tailored to public-sector communication requirements.
Campaign Communication
Multichannel campaigns and communication concepts for public topics; including analysis, concept development and implementation in digital and analogue channels.
Social Media Communication
Social media content, strategies and templates for authorities and municipalities; including presence building and communication on Facebook, Instagram and LinkedIn.
Branding and Visual Communication
Branding, concept development and creative execution for the public sector; for a consistent presentation of communication materials and messages.
Plain Language
Plain-language texts for public communication; to improve the clarity of information, websites and notices for different target groups.
Communication Training
Training courses for communication work in authorities and municipalities; focused on strategic, operational and digital communication.
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
4.1/5

Gromann Marketing

Trust & reputation

ranQ Trust Score of Gromann Marketing: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Gromann Marketing has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Gromann Marketing scores 82.2 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.70.07%
Gromann Marketing scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Gromann Marketing scores 6.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gromann Marketing reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

No knowledge articles yet

Once Gromann Marketing has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Gromann Marketing in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Gromann Marketing by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Gromann Marketing to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Herbstweg 14
8050 Zurich
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-109.918.181
Founded
2002 · 24 years
Last commercial register change
July 31, 2002
Employees
11 to 20
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
67.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    SM
    Stöhlker Master Trade
    Zollikon
    RK
    Rod Kommunikation AG
    Zurich
    SA
    Stöhlker AG
    Zollikon
    HG
    Heartwork GmbH
    Zurich
    SL
    Schreibklara Lisa Rigendinger Zimmermann
    Zurich
    ED
    Esskalation die Agentur GmbH
    Buchs Zh
    BA
    Brand Affairs AG
    Zurich
    KC
    Kilroy Communications GmbH
    Zurich