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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesAarauHälg & Co. AG, Zweigniederlassung Aarau
Hälg & Co. AG, Zweigniederlassung Aarau Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Hälg & Co. AG, Zweigniederlassung Aarau is a branch of the Hälg Group providing building services engineering and service work. The branch offers planning, installation, maintenance and renovation of heating, cooling, ventilation and sanitary systems, as well as related service and industrial solutions.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered7
Plant engineering / service
Building services engineering projects for new builds and renovations, from consultation and planning through installation to maintenance and service; also individual trades or complete processes.
Heating/cooling
Advice, planning and installation of heating and cooling systems for various buildings, for both new builds and renovations.
Ventilation/air conditioning
Advice, planning and installation of ventilation and air-conditioning systems for commercial premises, apartments, service companies, institutions, industry, hospitals and research.
Plumbing
Advice, planning, installation and maintenance of sanitary systems for a long-term, reliable execution.
Heating system replacement
Complete heating system renovation with replacement of oil or gas heating systems and conversion to heat pumps.
Industry
Heat generation systems for industrial operations in the fields of hot water, thermo-oil, steam and district heating.
Service
Maintenance of building services installations to prevent wear, deposits, pressure loss, faults and breakdowns.
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4.1/5

Hälg & Co. AG, Zweigniederlassung Aarau

Trust & reputation

ranQ Trust Score of Hälg & Co. AG, Zweigniederlassung Aarau: 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.

Hälg & Co. AG, Zweigniederlassung Aarau 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%
Hälg & Co. AG, Zweigniederlassung Aarau scores 90.6 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.96.07%
Hälg & Co. AG, Zweigniederlassung Aarau 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%
Hälg & Co. AG, Zweigniederlassung Aarau scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hälg & Co. AG, Zweigniederlassung Aarau 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

Neumattstrasse 24
5000 Aarau

At a glance

Legal form
Branch
UID
CHE-356.694.083
Founded
2009 · 17 years
Last commercial register change
November 28, 2022
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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