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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryOberriet SgKolb Protech AG
Kolb Protech AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Kolb Protech AG combines mechanical engineering, metal fabrication, electric motor rewinding, electrical control systems and kandelaber (lighting pole) manufacturing, providing CNC machining, sheet‑metal work, assembly and engineering services. Offerings include motor repairs and overhauls, PLC programming and retrofit, supply of components and a 24‑hour emergency service for electric motors.

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Products & services

Industry:Mechanical Engineering Industry
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4.3/5

Kolb Protech AG

✓ Offered
9
Mechanical engineering
Customer-specific solutions for individual parts, small series, prototypes, assemblies, complete machines and plants; including CNC machining, precision mechanics, assembly and overhaul.
Metal fabrication
Sheet metal processing, stamping, bending, welding and assembly for one-off custom builds, special builds and small series; also cutting to size, surface treatments and baked-on painting.
Electric motors & winding
Consulting, prototype construction, service, assembly and commissioning for electric motors; rewinding, repairs, overhauls, 24h on-call service and sales of motors and components.
Electrical control & programming
Electrical control systems, programming and control engineering for plants and projects; referenced internally as a dedicated department.
Candelabra and mast construction
Manufacturing of candelabras, standing and whip candelabras, design candelabras and poles for sports ground lighting; including galvanizing, painting and delivery.
Special candelabra construction
Consulting, planning and manufacturing of project-specific candelabras, brackets and designer candelabras for special requirements.
CNC machining
Manufacturing of CNC turned parts and milled parts from steel, stainless steel, aluminium and plastics; for individual parts, series and customer-specific assemblies.
Precision mechanics
Manufacturing of smaller components with high precision, including turning, hard turning, milling, honing, grinding, drilling, polishing and assembly.
Assembly & overhaul
Assembly of complete assemblies, machines and plants, as well as partial and complete overhauls of existing machines and plants.
Trust & reputation

ranQ Trust Score of Kolb Protech AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

Kolb Protech AG scores 82.3 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.83.024%
  • 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.70.510%
  • 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.95.08%
Kolb Protech AG scores 92.3 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.82.07%
Kolb Protech 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%
Kolb Protech AG scores 11.9 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 35.17.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.6.74%
Qualifications+0.00

Kolb Protech AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 15 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.915
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

January 12, 2023Media
Geschäftsführerwechsel in der Kolb Protech AG
rheintal24.ch

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Location

Eichaustrasse 8
9463 Oberriet Sg
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:00
Tue
07:00 - 12:00, 13:15 - 17:00
Wed
07:00 - 12:00, 13:15 - 17:00
Thu
07:00 - 12:00, 13:15 - 17:00
Fri
07:00 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.514.606
Founded
1995 · 31 years
Last commercial register change
November 5, 2025
Employees
21 to 50
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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