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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding companySerneusADAMS AG
ADAMS AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ADAMS AG develops and manufactures valves for hydropower plants, including shut-off and throttle valves, ball sluice valves, cone-jet gates and pressure relief valves. The company also supplies control and instrumentation systems, hydraulic units and provides installation, commissioning, overhaul and maintenance services.

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Offering

Products & services

Industry:Holding company
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ADAMS AG

✓ Offered10
Hydropower plant valves
Valves for hydropower plants, ranging from shut-off devices to pipe-break and turbine protection, up to environmentally responsible water discharge; partly manufactured specifically to customer requirements.
Service, assembly and commissioning
Service, assembly and commissioning for hydropower installations, including project preparation, manufacturing, factory acceptance tests, transport, installation, commissioning and handover to the operator.
Revisions, maintenance and conversions
Revisions, maintenance and conversions of valves, on site or in the works; cleaning, inspection, repair, reconditioning, spare parts, assembly, functional and leak-tightness testing.
Consulting & documentation
Consulting & documentation for complex projects, including drawings, instructions and reports; 3D CAD design and support for planning, modernization and implementation.
Shut-off and throttle valves
Shut-off and throttle valves for hydropower, developed for increased safety and reliability in critical applications.
Ball slide valves
Ball slide valves for hydropower plants, used as safety and shut-off devices for turbines and pumps.
Cone jet slide valves
Cone jet slide valves for environmentally responsible water discharge in hydropower plants, in use for decades.
Pressure relief valve
Pressure relief valves to prevent engine over-speed and excessive pressure surges.
Valves accessories
Valves accessories, flexibly adaptable to different requirements of hydropower plants.
Control and instrumentation
Control and instrumentation with hydraulic power units and controls for operating the plant, including construction and installation.
Trust & reputation

ranQ Trust Score of ADAMS AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of November 2026

Without public customer reviews the score stays capped.

ADAMS AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
ADAMS AG scores 85.5 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.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.55.07%
ADAMS AG scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
ADAMS AG scores 50.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

ADAMS AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, 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.

Press

Media

October 10, 2025Media
ADAMS fertigt mit neuen Maschinen noch grössere Armaturen für Wasserkraft
punkt4.info

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Location

Badstrasse 11
7249 Serneus

At a glance

Legal form
Corporation
UID
CHE-100.021.190
Founded
1979 · 47 years
Last commercial register change
April 8, 2026
Employees
1 to 10
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

    Active in 1 of 26 cantons · 1 municipality

    • GRKlosters

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