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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionWabernA. Bill AG
A. Bill AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of A. Bill AG is construction, including investor activities, construction services, planning, execution and turnkey projects in the private, industrial, institutional and public sectors.

AI-generated
Offering

Products & services

Industry:Building ConstructionBuilding Maintenance
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A. Bill AG

Masonry Work
✓ Offered12
Building construction
New builds in residential construction, commercial construction and public buildings, including planning and implementation for larger and smaller housing developments as well as industrial buildings.
Conversions and renovations
Conversions and renovations of residential, commercial and public buildings, with experience in complex large-scale projects and in adapting existing building structures.
Asbestos remediation
Asbestos remediation according to EKAS guideline 6503, from material analysis and a remediation concept through containment, dismantling and measurements to professional disposal.
Concrete cosmetics
Concrete cosmetics for exposed-concrete surfaces, with filling and retouching to address honeycombing, pores, stone pockets, rust streaks, cement haze, efflorescence and soiling.
Exposed concrete
Exposed concrete for new builds and surfaces with design requirements, combined with suitable processing and special services related to concrete surfaces.
Building joinery
Building joinery as a customer service, with work related to construction and conversions on the job site.
Building locksmithing
Building locksmithing as a customer service for work on building projects and existing buildings.
Tiling and flooring works
Tiling and flooring works within the scope of construction, conversions and renovation projects, especially in areas requiring tile and surface covering works.
Core drilling
Core drilling as an additional structural service for openings and penetrations in existing components.
Graffiti protection
Graffiti protection for concrete and façade surfaces as part of building protection.
Concrete protection
Concrete protection for the preservation and maintenance of concrete surfaces in the field of building protection.
Concrete design
Concrete design for decorative surfaces and executions in the concrete sector.
Trust & reputation

ranQ Trust Score of A. Bill AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

A. Bill AG scores 68.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.57.724%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.84.710%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.78.08%
A. Bill AG scores 92.3 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.82.07%
A. Bill 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%
A. Bill AG scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

A. Bill AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.1 out of 5 stars from 27 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.1
of 5

Aggregated from 27 reviews across all connected sources

Sources
GGoogle4.127
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

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Location

Seftigenstrasse 315
3084 Wabern

At a glance

Legal form
Corporation
UID
CHE-107.146.970
Founded
1975 · 51 years
Last commercial register change
March 3, 2026
Employees
21 to 50
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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