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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryIT & CommunicationAdvertising AgenciesZurichQuartz Agency GmbH
Quartz Agency GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Quartz Agency GmbH is a creative agency focused on branding, social media management, paid advertising, videography, and content creation. It also provides services in influencer relations, PR, SEO, photography, event coverage, and consulting.

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Offering

Products & services

Industry:Advertising AgenciesPublic Relations Consulting
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Quartz Agency GmbH

✓ Offered9
Social Media Management
Strategy, content planning, posting and community management for social media channels, including profile optimisation, engagement, reporting and ongoing support.
Paid Advertising and SEO
Campaign setup, A/B testing, audience targeting, remarketing, budget management and performance analysis for conversion-focused advertising and visibility.
Branding and Visual Identity
Brand strategy, positioning, logo, colour and visual identity design, tone of voice, messaging, brand guidelines and rebranding support.
Content Creation and UGC
Scripted and lifestyle content production, creator collaboration, short-form video concepts, copywriting and creative direction for social content.
Influencer and PR Management
Influencer sourcing, brand-fit matching, campaign coordination, negotiation, storytelling strategy and impact analytics for reach and credibility.
Video Production and Photography
Product, lifestyle and event shoots, on-site photography and video, editing, retouching, colour correction and delivery for multiple platforms.
Event Coverage
On-site photo and video coverage, social media storytelling during and after events, and coordination with venues and vendors.
Email Marketing
Campaign strategy, copywriting, design, segmentation, personalised targeting and analytics to improve conversion and retention.
Consulting and Strategy
One-to-one consulting, brand audits, social media deep-dives, action plans and strategic sparring for positioning, scaling and campaign planning.
Trust & reputation

ranQ Trust Score of Quartz Agency GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Quartz Agency GmbH 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%
Quartz Agency GmbH scores 40.1 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.0.012%
  • 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%
Quartz Agency GmbH scores 83.3 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).83.322%
Quartz Agency GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Seefeldstrasse 168
8008 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-326.801.233
Founded
2026 · 0 years
Last commercial register change
September 15, 2026
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.
88.0
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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