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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringVolketswilAirtag Engineering AG
Airtag Engineering AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Airtag Engineering AG is the planning, execution, assembly and maintenance of compressed air systems, compressor systems, nitrogen systems and process gas systems, as well as the treatment and filtration of compressed air and process gases. The company also offers services such as maintenance, repair and maintenance of compressors and other systems.

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Products & services

Industry:Technical Consulting & Engineering
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4.2/5

Airtag Engineering AG

✓ Offered10
Engineering and planning
Plant analysis, design and sizing of compressed air, compressor, nitrogen and process gas systems, and integration into existing systems.
Service and customer support
Maintenance, repairs and servicing of compressors, compressed-air systems and nitrogen generators, with spare-parts warehousing and rental units.
Consulting & sales
Consulting for the right compressed-air solution, selection of suitable products, and sales of compressors, treatment components and gas generators.
Custom plants
Turnkey special plants for compressed-air, compressor and process gas systems, including execution and installation.
Oil-lubricated screw compressors
Variable-speed and direct-driven screw compressors, single- or two-stage, air- or water-cooled, for various compressed-air applications.
Oil-free compressors
Oil-free compressor concepts with scroll, dry-running and water-injected designs, as well as oil-free reciprocating compressors and PET compressors.
Reciprocating and high-pressure air compressors
Reciprocating compressors, boosters and complete systems for low-, medium- and high-pressure applications in compressed air, also air- or water-cooled.
High-pressure compressors for process gases
Reciprocating compressors and systems for nitrogen, helium, argon, natural gas, hydrogen, CO2 and other process gases, partly as boosters or recovery solutions.
Treatment of compressed air and process gases
Filters, dryers, compressed-air and process gas vessels, oil-water separators, and sterile filters and medical dryers for compressed air, medical air, nitrogen and hydrogen.
Gas generators
Nitrogen, hydrogen and zero-air generators for industry and laboratory, as well as turnkey systems for decentralized gas production.
Trust & reputation

ranQ Trust Score of Airtag Engineering AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Airtag Engineering AG scores 68.0 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.76.724%
  • 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.45.610%
  • 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%
Airtag Engineering AG scores 89.3 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.70.07%
Airtag Engineering 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%
Airtag Engineering 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

Airtag Engineering AG 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 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hölzliwisenstrasse 5 a
8604 Volketswil
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:30
Tue
07:00 - 12:00, 13:00 - 17:30
Wed
07:00 - 12:00, 13:00 - 17:30
Thu
07:00 - 12:00, 13:00 - 17:30
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.884.193
Founded
1987 · 39 years
Last commercial register change
September 12, 2025
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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