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

About the company

The core activity of Hertig Ingenieure AG is planning and consulting in the field of building technology, particularly in the areas of building construction and building services. The company provides specialized planning services for buildings and is specialized in sustainable and environmentally friendly solutions, such as Minergie buildings.

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Products & services

Industry:Technical Consulting & Engineering
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3.8/5

Hertig Ingenieure AG

✓ Offered4
Heating System Planning
Concepts for selecting the heat generator, design of the heat distribution and heat delivery, cost estimating, detailed design, specialist construction management, commissioning and as-built plans.
Ventilation and Air-Conditioning Planning
Needs assessment, energy-efficient concepts for comfort, cost estimating, detailed design, specialist construction management, commissioning and as-built plans for ventilation and air-conditioning.
Sanitary Planning
Planning of compressed air, cold and hot water, natural gas installations, foul and rainwater, and special gases in the field of building services.
Energy and Building Services Consulting
Conceptual issues and project assignments in the field of energy and building services, from the idea to commissioning, including documentation of energy measures and GEAK.
Trust & reputation

ranQ Trust Score of Hertig Ingenieure AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Hertig Ingenieure AG scores 49.8 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.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.35.08%
Hertig Ingenieure AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Hertig Ingenieure AG scores 85.0 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).85.022%
Hertig Ingenieure AG scores 3.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.3.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hertig Ingenieure AG 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 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 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

Chasseralstrasse 1
4900 Langenthal

At a glance

Legal form
Corporation
UID
CHE-106.453.151
Founded
1989 · 37 years
Last commercial register change
November 8, 2024
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

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