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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationAdvertising AgenciesWilen B. WilOMA AG
OMA AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The company's core activity is providing services in the field of online marketing, including: website and online shop creation, content and design development, search engine marketing, online marketing consulting, social media marketing, and training and workshops for internal training. The company positions itself as a full-service agency that supports companies in the development and implementation of their online marketing strategies.

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Offering

Products & services

Industry:Advertising Agencies
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4.3/5

OMA AG

✓ Offered
7
Online Marketing Consulting
Comprehensive consulting for online marketing: situation analysis, audience definition, strategy development, budget planning, as well as implementation and ongoing optimisation of campaigns.
Search Engine Marketing
Search engine advertising and search engine optimisation for greater visibility, leads and sales; including Google Search Ads, Google Shopping, Bing Search Ads, Google My Business, display remarketing and video advertising.
Social Media Marketing
Social media marketing with content planning, feed management, posting and advertising campaigns on META, TikTok, LinkedIn, Pinterest and Snapchat, as well as workshops.
Websites
Creation and maintenance of websites and online shops with web design, UX, SEO, Google Analytics, Google Tag Manager, tracking and upkeep.
Content and Design
Content marketing, graphic and design services for texts, images, advertising banners, logos, corporate identity, proofreading and multilingual content.
AI Solutions
AI-powered marketing solutions for content creation, GEO optimisation, AI-optimised search campaigns and social media ads to improve reach and conversion rates.
Additional Measures
Additional online marketing measures such as email marketing, content marketing, copy, proofreading, display creation, design and reporting.
Trust & reputation

ranQ Trust Score of OMA AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

OMA AG scores 84.4 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.79.424%
  • 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.83.810%
  • 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.100.08%
OMA AG scores 79.8 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.86.512%
  • 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%
OMA 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%
OMA AG scores 36.5 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 35.62.94%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

OMA AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 26 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 26 reviews across all connected sources

Sources
GGoogle4.726
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

August 16, 2021Media
OMA AG stösst als Marketing-Partnerin zu WPO
leaderdigital.ch

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Location

Weidstrasse 4
9535 Wilen B. Wil
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
Corporation
UID
CHE-136.961.713
Founded
2016 · 10 years
Last commercial register change
April 28, 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.
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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