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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryIT & CommunicationPR agencyZurichOppenheim & Partner GmbH
Oppenheim & Partner GmbH Logo
Verified· 5 sourcesOwner confirmed
Last updatedSeptember 22, 2026

Contact

Summary

About the company

Oppenheim is a public relations and brand building agency with offices in Zurich and Lausanne. Since its founding in 2009, the agency has advised over 250 companies, with Coca-Cola, Samsung, Tata Consultancy Services, Accor, and White Turf among its long-standing clients. Oppenheim is owner-managed and independent.

AI-generated
Presence

Service area

Offering

Products & services

Industry:PR agency
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Trust Score4.4/5

Oppenheim & Partner GmbH

✓ Offered6
Public Relations
PR, media relations, corporate communications, brand & product PR, crisis communication, public affairs, consulting & coaching as well as media relations & media office.
Branding
Brand Strategy & Positioning, Naming & Tagline Development, Visual Identity & Design Systems, Messaging & Brand Voice, Brand Guidelines & Playbooks, Rebranding & Brand Evolution, Brand Activation & Roll-out.
Content
Content Strategy & Planning, Editorial & Copywriting, Storytelling & Thought Leadership, Video & Multimedia Production, Design & Creative Assets, Content Marketing & Distribution, Blog & Website Management.
Social Media
Social Media Strategy & Planning, channel management, community building, content creation, paid social & performance marketing, analytics & reporting, social listening & trend scouting, campaign concepts & activations.
Influencer Marketing
Influencer Strategy & Matchmaking, relationship management, campaign concepts, content co-creation, brand ambassador programs, paid collaborations & amplification, measurement & performance analytics.
Event
Event Strategy & Concept Development, media events & press conferences, product launches & brand activations, corporate & stakeholder events, sponsorships, experiential formats, project management & execution.
Expertise

Expert

David Oppenheim
David Oppenheim
Managing Partner

David Oppenheim is the founder and managing partner of Oppenheim. Since 2000, he has been advising companies in public relations and public affairs—with strategic foresight and a keen sense for relevant stories.

Qualifications & certifications
M.A. UZH, Publizistik-WS
Trust & reputation

ranQ Trust Score of Oppenheim & Partner GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of November 2026

Oppenheim & Partner GmbH scores 71.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.76.724%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.45.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.88.08%
Oppenheim & Partner GmbH scores 86.7 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%
Oppenheim & Partner GmbH scores 98.3 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).98.322%
Oppenheim & Partner GmbH scores 62.9 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 35.85.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.40.04%
Qualifications+0.04

Oppenheim & Partner GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 5 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Common questions

Answers

What does Oppenheim stand for as an agency?
Oppenheim is a owner-managed and independent full-service agency for public relations and brand building. Founded in 2009, the agency creates authentic connections, makes brands tangible, and advises with strategic foresight as well as a fine sense for stories.
What services does Oppenheim offer?
Oppenheim offers six integrated service areas: PR, branding, content, social media, influencer marketing, and events. These disciplines are not viewed in isolation, but are combined into a suitable overall solution depending on the task.
For which companies does Oppenheim work?
Oppenheim works across industries for local and international companies. The clients include, among others, technology, consumer goods, mobility, hospitality, entertainment, healthcare and real estate. Since its founding, the agency has shaped the communication of more than 250 companies, including Coca-Cola, Samsung, Tata Consultancy Services, Relais & Châteaux and White Turf.
Where is Oppenheim represented?
Oppenheim is represented with offices in Zurich and Lausanne.
Press

Media

December 16, 2025Media
PR-Agentur tritt ohne Partnerzusatz auf
persoenlich.com
April 16, 2025Media
Oppenheim & Partner übernimmt PR-Mandat für Relais & Châteaux
organisator.ch
September 25, 2023Media
Oppenheim & Partner wird neue PR-Agentur von Samsung
markt-kom.com
March 2, 2023Media
Oppenheim & Partner macht PR für Planted
markt-kom.com
January 18, 2023Media
Oppenheim & Partner devient l’agence RP pour le Montreux Jazz Festival en Suisse alémanique
cominmag.ch
November 18, 2022Media
Tina Olivia Seiler ist neu Partnerin bei Oppenheim & Partner
htr.ch
July 18, 2019Media
Oppenheim & Partner wird Lead-Agentur des White Turf St. Moritz
kleinreport.ch
Knowledge

Articles about Oppenheim & Partner GmbH

No articles have been published yet.

Comparisons

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Contact

Location

Stockerstrasse 32
8002 Zurich
Opening hours
Mon
09:00 - 18:00
Tue
09:00 - 18:00
Wed
09:00 - 18:00
Thu
09:00 - 18:00
Fri
09:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-114.738.963
Founded
2009 · 17 years
Last commercial register change
July 9, 2026
Employees
11 to 20

Active throughout Switzerland

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.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology