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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryIndustryMetal processorDöttingenStellba Surface Technology AG
Stellba Surface Technology AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Stellba Surface Technology AG develops and manufactures coating solutions for industrial applications. Its services include consulting and engineering, coatings, heat treatment, mechanical manufacturing, repairs, quality assurance and assembly; its products include turbine components, valves, and parts for pumps and compressors.

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Service area

Offering

Products & services

Industry:Metal processor
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3.8/5

Stellba Surface Technology AG

✓ Offered11
Coatings
Coating solutions for surfaces to protect against erosion, abrasion, corrosion, oxidation and thermal stress; custom developed and manufactured.
Welding
Welding of components and joints, including customer-specific welding solutions for industrial applications and repair processes.
Laser cladding
Laser cladding for wear- and load-bearing components, also for restoring damaged coatings and for additive metal processing.
Heat treatment
Heat treatment and thermal upgrading of components as part of the treatment and finishing across the entire development and manufacturing process.
Mechanical manufacturing
Mechanical manufacturing of parts and components under one roof, from the problem statement to the finished part.
Advisory and development
Advisory, engineering and development of custom coating solutions and machining concepts for industrial components.
Repairs
Repair of damaged coatings and restoration of industrial components using cost-efficient processes.
Assembly
Assembly of components as part of the integrated development and manufacturing process, including support services such as warehousing and dispatch.
Quality assurance and materials laboratory
Quality assurance and materials laboratory for testing materials, processes and results as a basis for manufacturing.
Application development
Application development for new coating and metal processing methods in the in-house materials laboratory and in collaboration with research partners.
Research collaboration
Research collaboration with universities and research institutes, among other things for developing new coating and processing methods.
Trust & reputation

ranQ Trust Score of Stellba Surface Technology AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of November 2026

Stellba Surface Technology AG scores 57.6 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.72.124%
  • 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.35.08%
Stellba Surface Technology AG scores 67.5 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.58.012%
  • 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%
Stellba Surface Technology 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%
Stellba Surface Technology AG scores 12.0 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 35.12.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stellba Surface Technology AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 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 November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Gewerbestrasse 21
5312 Döttingen
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-362.162.593
Founded
2022 · 4 years
Last commercial register change
July 21, 2022
Employees
1 to 10

Active in 1 of 26 cantons

  • AGAargau
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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