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

About the company

AST TURBO AG is an international service provider that supports customers in the hydrocarbon processing industry and the energy sector with technically demanding projects. The company delivers field services for rotating equipment such as process gas compressors and steam turbines, including installation and commissioning, upgrades and modernizations, laser tracker measurement services (AMT), and a training academy.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
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4.3/5

AST TURBO AG

✓ Offered5
Services for Rotating Equipment
Technical support for rotating equipment, turnaround support, project management, engineering and implementation of upgrades, as well as training for customer personnel.
Installation & Commissioning
Project planning, technical field advisory, supervision, mounting, installation, relocation and commissioning of machines, including QA/QC for steam turbines and process gas compressors.
Upgrades & Modernizations
Turbine speed control, overspeed protection, seal, coupling and oil console upgrades, as well as modernisation and standardisation for existing machines and plants.
Laser Tracker Service (AMT)
Virtual assembly, internal alignment, rotor axial setup, 3D tracker services and 3D scanning for reverse engineering for new installations and replacement plants.
Training Academy
Practical and classroom-based training for process compressor and steam turbine technologies, including standard seminars and customer-specific training programs.
Trust & reputation

ranQ Trust Score of AST TURBO AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

AST TURBO AG scores 67.5 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.78.08%
AST TURBO AG scores 94.9 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.97.712%
  • 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.90.07%
AST TURBO 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%
AST TURBO AG scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

AST TURBO AG reaches a ranQ Trust Score of 4.3 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.

Knowledge

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Location

Talstrasse 24
8852 Altendorf
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-485.970.475
Founded
2012 · 14 years
Last commercial register change
June 29, 2026
Employees
51 to 100
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.85.03%
    • Full methodology

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