ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesWillisauHaustechnik-Systembau Alt GmbH
Haustechnik-Systembau Alt GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Haustechnik-Systembau Alt GmbH is the planning, measurement and execution of building technology systems, particularly in the fields of sanitary and heating technology, as well as collaboration with timber construction companies to combine element construction and building technology.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
3.9/5

Haustechnik-Systembau Alt GmbH

✓ Offered4
3D building surveying
Survey of new and renovated buildings using the Leica BLK 360 G2 point-cloud scanner; millimetre-accurate capture, documentation of the as-is condition, and a basis for planning and execution.
Planning
Client contact, consultation and evaluation, survey of existing structure, designs according to requirements, building applications and preliminary clarifications, as well as precise execution plans.
Building services
Replacement of heating generators and new installations, underfloor heating with insulation and underlay boards, ventilation, heat recovery, maintenance, as well as complete water installations and bathroom fittings.
System construction
Renovations and new builds in timber construction for agricultural buildings, steel construction, single- and multi-family homes in element-based construction, waterproofing, sheet-metal works, roofing and modular construction.
Trust & reputation

ranQ Trust Score of Haustechnik-Systembau Alt GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 54% · As of October 2026

Haustechnik-Systembau Alt GmbH 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%
Haustechnik-Systembau Alt GmbH scores 65.0 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.58.012%
  • 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%
Haustechnik-Systembau Alt GmbH 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%
Haustechnik-Systembau Alt GmbH scores 2.0 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 35.2.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Haustechnik-Systembau Alt GmbH reaches a ranQ Trust Score of 3.9 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.

Knowledge

No knowledge articles yet

Once Haustechnik-Systembau Alt GmbH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Haustechnik-Systembau Alt GmbH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Haustechnik-Systembau Alt GmbH by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Haustechnik-Systembau Alt GmbH to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Kalchtaren-Hüsli 1
6130 Willisau

At a glance

Legal form
Limited Liability Company
UID
CHE-173.378.618
Founded
2022 · 4 years
Last commercial register change
November 18, 2022
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.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    W&
    W & P ENGINEERING (Schweiz) AG
    Willisau
    GA
    Gallati AG
    Lucerne
    LG
    Lingg Gebäudetechnik GmbH
    Römerswil Lu
    HT
    HLS Technik GmbH
    Lucerne
    G
    GTP-Suter
    Neuenkirch
    AG
    ANROTEC GmbH
    Ebikon
    GA
    Gut AG
    Ermensee
    GA
    Gut AG
    Reiden