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

About the company

The core activity of Mettauer AG is the planning, consulting and realization of technical installations and systems for buildings, particularly in the areas of energy consulting, heating, ventilation, refrigeration and air conditioning, as well as sanitary facilities. The company offers comprehensive services, from planning and consulting to execution and commissioning of installations, with the goal of improving the energy efficiency and comfort of buildings.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered5
Energy consulting
Energy consulting for new-build and existing properties, including feasibility and variant studies, cost-effectiveness calculations, renovation strategies, energy analyses, and operational optimisation.
Heating system design
Heating system design for new buildings, renovations and the replacement of heat generators, including energy concepts, planning of different energy sources, and metering concepts.
Ventilation planning
Ventilation planning for all building types and operating phases, including new builds, replacement of air-handling units, as well as supply and exhaust air systems with heat recovery.
Refrigeration and air conditioning planning
Refrigeration and air conditioning planning for rooms and production processes, using natural refrigerants, refrigeration generation, cooling systems, air-conditioning systems, and commissioning support.
Sanitary plumbing design
Sanitary plumbing design for residential, commercial and public construction projects, including sanitary concepts, detailed design, wastewater and sewerage planning, and technical calculations.
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4.1/5

Mettauer AG

Trust & reputation

ranQ Trust Score of Mettauer AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Mettauer AG scores 62.3 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.65.024%
  • 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.49.510%
  • 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%
Mettauer 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%
Mettauer AG scores 83.3 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).83.322%
Mettauer AG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Mettauer AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Birrfeldstrasse 3
5507 Mellingen
Opening hours
Mon
08:00 - 11:30, 13:30 - 17:00
Tue
08:00 - 11:30, 13:30 - 17:00
Wed
08:00 - 11:30, 13:30 - 17:00
Thu
08:00 - 11:30, 13:30 - 17:00
Fri
08:00 - 11:30, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.361.244
Founded
1991 · 35 years
Last commercial register change
October 19, 2017
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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