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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberSt. GallenHälg & Co. AG
Hälg & Co. AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Hälg & Co. AG plans, installs and maintains building services systems. Its services include heating, cooling, ventilation and air-conditioning systems, as well as building automation, maintenance, renovations and ventilation cleaning.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Plumber
✓ Offered1
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4.1/5

Hälg & Co. AG

Plant engineering / Service
Planning, implementation, maintenance and refurbishment of building services projects; heating/cooling, ventilation/air conditioning, sanitary, industry, bathroom remodelling and service for new builds and existing buildings.
Trust & reputation

ranQ Trust Score of Hälg & Co. AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of November 2026

Without public customer reviews the score stays capped.

Hälg & Co. AG 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 scores 99.0 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 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%
Hälg & Co. AG scores 96.7 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.93.34%
Qualifications+0.00

Hälg & Co. AG 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 58%, 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.

Press

Media

March 24, 2026Media
Hälg steigert Auftragseingang trotz Umsatzrückgang
leaderdigital.ch
August 26, 2025Media
Hälg Group übernimmt Wintsch Klimatechnik AG
leaderdigital.ch
March 24, 2025Media
Hälg setzt Wachstumskurs fort und erreicht Umsatzrekord
leaderdigital.ch
January 14, 2025Media
Hälg Facility Management AG übernimmt Löwen Bau- und Betriebs AG
stgallen24.ch
November 26, 2024Media
Hälg Facility Management AG eröffnet Niederlassung in St.Gallen
leaderdigital.ch
October 23, 2024Media
Hälg regelt Nachfolge der Niederlassungsleitung St.Gallen
leaderdigital.ch
September 3, 2024Media
Hälg & Co. AG übernimmt Caspar Haustechnik
immobilienbusiness.ch
September 2, 2024Media
Hälg übernimmt Caspar Haustechnik aus Tinizong
leaderdigital.ch
June 30, 2022Media
Hälg & Co. AG gibt Standort in Lüchingen auf
rheintaler.ch

Knowledge

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Location

Lukasstrasse 30
9008 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-105.964.621
Founded
1981 · 45 years
Last commercial register change
September 30, 2026
Employees
101 to 500

Active in 1 of 26 cantons

  • SGSt. Gallen
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.100.03%
    • Full methodology

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