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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringChurHEFTI. HESS. MARTIGNONI. St. Gallen AG, Niederlassung Chur
HEFTI. HESS. MARTIGNONI. St. Gallen AG, Niederlassung Chur Logo
Verified· 2 sourcesTrust Score
Summary

About the company

HEFTI. HESS. MARTIGNONI. St. Gallen AG, Niederlassung Chur provides building services engineering (HLKSE+) as well as MEP and electrical engineering for building and infrastructure projects. Its services include building automation, energy supply, photovoltaics, e‑mobility, lighting, security/door engineering and fire protection.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered10
Overall Building Services Planning (HLKSE+)
Overall building services planning for building construction and infrastructure projects; tailor-made solutions for projects of every scale, from defining the framework conditions to organisation and the degree of digitalisation.
HLKS Engineering
HLKS engineering for building construction and infrastructure projects; design and technical solutions in the fields of heating, ventilation, air conditioning and sanitary services within building services engineering.
Electrical Engineering
Electrical engineering for building construction and infrastructure projects; design of electrical systems as a core competence within building services solutions.
Building Automation
Building automation as part of building services solutions; planning and integration of automated systems for buildings and technical installations.
Overall Coordination/BIM
Overall coordination/BIM for planning and coordinating projects using digital methods; use of BIM methods to deliver complex construction projects.
Energy Supply
Energy supply for buildings and infrastructure projects; solutions related to supply concepts and technical energy planning.
Photovoltaics
Photovoltaics for building and infrastructure projects; planning of technical solutions in the field of solar systems and energy generation.
E-Mobility
E-mobility as a building services capability; technical planning for charging infrastructure and associated supply solutions.
Lighting Concepts
Lighting concepts for building construction and infrastructure projects; planning of lighting solutions and aspects of light performance within building services.
Fire Protection Planning
Fire protection planning as part of building services solutions; technical planning for the protection of buildings and infrastructure projects.
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4.1/5

HEFTI. HESS. MARTIGNONI. St. Gallen AG, Niederlassung Chur

Trust & reputation

ranQ Trust Score of HEFTI. HESS. MARTIGNONI. St. Gallen AG, Niederlassung Chur: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

HEFTI. HESS. MARTIGNONI. St. Gallen AG, Niederlassung Chur 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%
HEFTI. HESS. MARTIGNONI. St. Gallen AG, Niederlassung Chur scores 69.2 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.50.012%
  • 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.96.07%
HEFTI. HESS. MARTIGNONI. St. Gallen AG, Niederlassung Chur 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%
HEFTI. HESS. MARTIGNONI. St. Gallen AG, Niederlassung Chur scores 94.3 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 35.94.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

HEFTI. HESS. MARTIGNONI. St. Gallen AG, Niederlassung Chur 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 54%, 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.

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Location

Triststrasse 8
7000 Chur
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-418.968.334
Founded
2023 · 3 years
Last commercial register change
November 24, 2023
Employees
101 to 500
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.76.06%
  • 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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