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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryRetail & CommerceWholesale - Machinery & Technical EquipmentGrabsEvac AG
Evac AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of EVAC AG is the development, manufacture and delivery of sealing technologies and vacuum products for various industries such as aerospace, semiconductor manufacturing, research laboratories and nuclear research. The products include precise clamping chains, seals and flanges that ensure stable pressure levels and vacuum integrity in controlled environments.

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Products & services

Industry:Wholesale - Machinery & Technical Equipment
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Evac AG

6
Sealing solutions for vacuum and pressure applications
Sealing solutions for ultra-high vacuum to pressure applications, with a broad temperature range from -271 °C to +450 °C, for various industrial applications.
Clamping bands
Clamping bands made of steel and high-temperature resistant plastic for vacuum and pressure applications, including CeFiX®, KF, ISO Tapered™ and sTeRIc-clamp™ systems.
Flanges
Flanges, blank flanges and viewport flanges made of stainless steel as well as glass (Duran®, Quartz) for vacuum, purity and observation applications.
Seals
Seals made of elastomers, aluminium, copper, nickel and silver-plated versions for various vacuum and pressure applications.
Fittings and adapters
Custom fittings and adapters for flexible design and construction of vacuum and connection systems.
Product configuration
Configuration of components and systems by size, material and type of connection, with 3D visualisation as well as download of the datasheet and STP file.
Trust & reputation

ranQ Trust Score of Evac AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Evac AG scores 54.8 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.69.624%
  • 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.35.310%
  • 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%
Evac 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%
Evac 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%
Evac 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

Evac AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 3 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
4.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.73
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Oberer Wässertenweg 9
9472 Grabs
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.866.261
Founded
1986 · 40 years
Last commercial register change
July 24, 2026
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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