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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerWürenlingenvesica GmbH
vesica GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of vesica GmbH is building physics diagnostics and consulting, particularly in the areas of: Air tightness measurements (Blower Door method), Thermography (Infrared Thermography), Energy consulting and analysis (GEAK, GEAK Plus, Energy certificate according to SIA 380/1), Sound protection and building acoustics (Sound protection certificate according to SIA 181, planning, simulation and measurement), and Renovation consulting and damage assessment. The company offers these services for various types of buildings, including standard buildings, clean rooms, biosafety laboratories, and large usage zones such as halls, schools, and hospitals.

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Products & services

Industry:Engineer
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3.8/5

vesica GmbH

✓ Offered10
BlowerDoor standard measurements
Building airtightness measurements according to ISO 9972, SIA 180 and VDI 2083 sheet 19, including leak detection, construction acceptance measurements and documentation for MINERGIE.
BlowerDoor special measurements
Special measurements for very small or very large volume flows, e.g. in high-density rooms, medical research laboratories, cleanrooms and similar test areas.
Infrared thermography
Thermographic investigations for non-destructive detection of weak points in thermal insulation, thermal bridges, concealed construction elements and air leaks.
GEAK / GEAK-Plus®
Preparation of building energy certificates including energy balance, energy label, improvement potential, renovation proposals, variant review and cost-effectiveness analysis.
Sustainability – DGNB / SGNI / BNB / QNG / BiRN
Advisory for sustainable planning and construction with certified quality across the entire life cycle according to DGNB, SGNI, BNB, QNG and BiRN.
Energy statement according to SIA 380/1
Energy concepts and official energy statements for building permit submissions according to SIA 380/1.
Sound insulation evidence according to SIA 181
Sound insulation concepts and official sound insulation evidence for building permit submissions according to SIA 181.
Noise immissions protection
Noise assessment and protective measures for projects with requirements for protection against sound emissions and immissions.
Room acoustics – planning, simulation and measurement
Room-acoustic planning, simulation and measurements for projects with requirements on the acoustic quality of rooms.
Renovation consulting and damage reports
Consulting on renovations as well as damage assessments for new build and existing-building renovations in the field of building physics.
Trust & reputation

ranQ Trust Score of vesica GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of November 2026

vesica GmbH scores 52.7 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.68.224%
  • 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.17.610%
  • 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.50.08%
vesica GmbH scores 79.4 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.83.012%
  • 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%
vesica GmbH 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%
vesica GmbH scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

vesica GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Breitenstrasse 30
5303 Würenlingen
Opening hours
Mon
08:00 - 12:30, 13:30 - 17:00
Tue
08:00 - 12:30, 13:30 - 17:00
Wed
08:00 - 12:30, 13:30 - 17:00
Thu
08:00 - 12:30, 13:30 - 17:00
Fri
08:00 - 12:30, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-113.691.247
Founded
2017 · 9 years
Last commercial register change
December 30, 2019
Employees
11 to 20

Active in 1 of 26 cantons

  • AGAargau
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.
88.0
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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