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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryIT & CommunicationAdvertising AgenciesZurichWerbeagentur Peter Wirz AG
Werbeagentur Peter Wirz AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Werbeagentur Peter Wirz AG is an advertising agency offering communication consulting, campaign development and live‑communication and event services. The agency's activities have been integrated into invents.ch AG and are continued under that umbrella.

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Products & services

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Werbeagentur Peter Wirz AG

Communication Consulting
Consulting on advertising and communication, clarifying wishes, contexts, intentions and goals; deriving actionable concepts and successful campaigns.
Live Communication
Concept and delivery of events, experiences and communication formats; linked to projects such as Obstacle Run, Genuss-Marathon and GIGATHLON.
Event Marketing
Planning and implementation of events in a communications context, including event organisation, participant experiences as well as involvement of sponsors and partners.
Trust & reputation

ranQ Trust Score of Werbeagentur Peter Wirz AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Werbeagentur Peter Wirz AG 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%
Werbeagentur Peter Wirz AG scores 85.5 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.55.07%
Werbeagentur Peter Wirz AG scores 86.7 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).86.722%
Werbeagentur Peter Wirz AG scores 53.6 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 35.77.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Werbeagentur Peter Wirz AG 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 58%, so the score is backed by part of the criteria. As of October 2026.

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

Press

Media

December 23, 2022Media
Zürcher Werbeagentur provoziert die Deutschen
blick.ch
October 12, 2017Media
«Wirz ist ein grosser Rummelplatz!»
persoenlich.com
May 22, 2000Media
Hans Tanner ist designierter Nachfolger von Hans Ulrich Schweizer
persoenlich.com

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Location

Bolleystrasse 27
8006 Zurich
Opening hours
Mon
08:15 - 17:15
Tue
08:15 - 17:15
Wed
08:15 - 17:15
Thu
08:15 - 17:15
Fri
08:15 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.305.257
Founded
1972 · 54 years
Last commercial register change
October 4, 2023
Employees
1 to 10
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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