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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryEttingenTestrella AG
Testrella AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Testrella AG is a manufacturer of glass-lined equipment for chemical processing, producing apparatus such as storage and feed tanks, separators and pressure filters. The company also supplies glass-lined columns, glass-lined piping, accessories and offers reglassing services for glass-lined items.

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Products & services

Industry:Mechanical Engineering Industry
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3.7/5

Testrella AG

✓ Offered4
Glass-lined steel apparatus
Design and manufacture of columns, feed tanks, storage tanks, agitator components, separators, pressure filters and special designs up to 30,000 litres.
Glass-lined columns
Custom glass-lined columns with sections up to 80” diameter and 178” total length, including complete column assemblies, planning, installation and maintenance support.
Glass-lined steel piping
Pipes and fittings including spacers, elbows, tees, crosses, reducers, reducing flanges, sightflow indicators and instrument tees, with optional jacketing.
Re-emajoration / reglassing
Repair and reglassing of glass-lined items with feasibility analysis, replacement of damaged shell parts or nozzles, and approval handling for vessel codes.
Trust & reputation

ranQ Trust Score of Testrella AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Testrella AG scores 55.3 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.59.424%
  • 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.49.510%
  • 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.50.08%
Testrella AG scores 63.4 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.39.612%
  • 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%
Testrella AG 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%
Testrella AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Testrella AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 4.0 out of 5 stars from 6 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
4
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle46
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Brühlmattweg 20
4107 Ettingen
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 15:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-275.237.159
Founded
2024 · 2 years
Last commercial register change
April 29, 2026
Employees
11 to 20
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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