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 · Imprint746,563 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceLaupen ZhALPHA SANIERUNG GmbH
ALPHA SANIERUNG GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

ALPHA SANIERUNG GmbH carries out building renovations and remodeling projects. Its services include structural waterproofing, bathroom and wet-room renovations, and coordination of the trades involved in construction projects.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Building Maintenance
✓ Offered4
Building Renovation and Remodeling
Remodeling and renewal of apartments and buildings, including work on living areas, hallways and kitchens; projects are planned and carried through to completion.
Structural Waterproofing
Waterproofing work to protect foundations, cellars and exterior areas from moisture and water ingress; documented work also includes balcony waterproofing and installation of floor slabs.
Bathroom and Wet-Room Renovation
Strip-out and reconstruction of bathrooms; renovation concepts for wet rooms and laundry rooms to help prevent mould and moisture are also listed.
Construction Site Coordination
Coordination of trades and project interfaces, preparation of a schedule and action plan, and management of the project process from planning through completion.
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
No score yet

ALPHA SANIERUNG GmbH

Trust & reputation

ranQ Trust Score of ALPHA SANIERUNG GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Establishment, Media authority

Data basis 42% · As of October 2026

ALPHA SANIERUNG 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%
ALPHA SANIERUNG GmbH scores 70.2 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: No data point — the criterion is taken out of the weighting and does not lower the score.—12%
  • 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%
ALPHA SANIERUNG GmbH 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%
ALPHA SANIERUNG GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 42%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Establishment, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

No knowledge articles yet

Once ALPHA SANIERUNG GmbH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

ALPHA SANIERUNG GmbH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank ALPHA SANIERUNG GmbH by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Winkelstrasse 11
8637 Laupen Zh

At a glance

Legal form
Limited Liability Company
UID
CHE-386.988.626
Last commercial register change
October 22, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHWald (ZH)
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.88.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    DB
    Duffy Bau GmbH
    Zurich
    BP
    BAU PARTNER 88 AG
    Dietikon
    HH
    HT Haustechnik AG
    Dübendorf
    WW
    WBW Wir Bewegen Wasser GmbH
    Dübendorf
    SB
    Strebel Baukeramik GmbH
    Mettmenstetten
    GA
    gs allround service, Inh. Giedrius Sausys
    Regensdorf
    RG
    REIS-BAU GmbH
    Zollikon
    GB
    Garantie Bau GmbH
    Winterthur