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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerSinsBBU Haustechnik AG
BBU Haustechnik AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

BBU Haustechnik AG is an engineering office for energy and building services acting as a specialist planner for the planning and coordination of heating, ventilation, air‑conditioning/cooling and sanitary systems as well as site technical management. The company prepares building energy certificates (GEAK/GEAK PLUS), advises on Minergie standards and energy compliance calculations, and supports funding applications.

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Service area

Offering

Products & services

Industry:Engineer
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4.1/5

BBU Haustechnik AG

✓ Offered7
Building services planning
Planning and coordination of heating, ventilation, air conditioning/chilling and sanitary systems for construction projects; including heat pumps, solar systems, controlled residential ventilation and water installations.
Specialist construction management
Specialist construction management for building services systems; acceptance procedures, raw-structure inspections, support for rectifying defects, as well as organisation and handling of specific acceptances.
GEAK / GEAK PLUS
Preparation of cantonal building energy certificates (GEAK and GEAK PLUS) with initial steps for energy optimisation and building-technology measures.
Minergie consulting
Consulting for architects and developers in the planning of Minergie, Minergie-P, Minergie-A and Minergie-ECO buildings.
Renewable heating impulse consultation
Impulse consultation on replacing heating systems in residential buildings with sustainable and ecological heating systems.
Energy performance certificates
System performance certificates and individual component certificates, as well as consulting and support when selecting the building envelope.
Grant applications
Support with grant applications for energy-effective structural measures such as refurbishment of the building envelope and replacement of fossil heat generation systems.
Trust & reputation

ranQ Trust Score of BBU Haustechnik AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

BBU Haustechnik 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.
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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%
BBU Haustechnik AG scores 76.6 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.79.212%
  • 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%
BBU Haustechnik AG 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%
BBU Haustechnik AG scores 4.6 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 35.4.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BBU Haustechnik 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 54%, 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.

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Location

Industrie Nord 7
5643 Sins

At a glance

Legal form
Corporation
UID
CHE-316.840.409
Founded
2018 · 8 years
Last commercial register change
February 1, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • AGSins
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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