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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Consulting & ServicesChavannes-Près-RenensAtecsa S.A.
Atecsa S.A. Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Atecsa SA is the development and creation of ecologically sustainable websites with low CO2 emissions, optimized for both mobile and stationary devices. This also includes services such as search engine optimization (SEO), reducing data transfer, and the use of renewable energy. The company positions itself as a specialist in "éco-conception web" and offers solutions for companies that want to make their online presence ecologically sustainable.

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Offering

Products & services

Industry:IT Consulting & Services
✓ Offered4
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Atecsa S.A.

Eco-friendly website creation
Creation of presentation websites and online shops, low-tech eco-design, optimisation for the mobile-first index, organic SEO and reduction of the digital carbon footprint.
Web eco-design
Eco-design of websites and digital services, integrating environmental criteria from the outset, with a Green UX approach and optimisation of resource consumption.
Organic SEO
Organic SEO for websites, optimised for the mobile-first index, long-term visibility on the internet and search engines, alongside lean and high-performing sites.
Website energy audit
Energy audit and recommendations to optimise a website in an eco-friendly way, measuring energy efficiency and reducing CO2 emissions related to browsing.
Trust & reputation

ranQ Trust Score of Atecsa S.A.: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Atecsa S.A. scores 65.9 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.75.024%
  • 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.40.910%
  • 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.70.08%
Atecsa S.A. 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%
Atecsa S.A. 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%
Atecsa S.A. scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Atecsa S.A. reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 4 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue de la Gare 15
1022 Chavannes-Près-Renens

At a glance

Legal form
Corporation
UID
CHE-101.777.669
Founded
1990 · 36 years
Last commercial register change
November 1, 2019
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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