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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsBiel/BienneRitter Bauunternehmung AG
Ritter Bauunternehmung AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Ritter Bauunternehmung AG is a construction company that delivers new-build, conversion and renovation projects and operates as a general contractor and in project development. Its services include façade construction, timber construction/carpentry, insulation, plastering, joinery, pitched roofing and photovoltaic installations, as well as natural stone and stonemason work. The company executes construction projects for investors, public clients, state-affiliated enterprises and private building owners.

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Offering

Products & services

Industry:General Contractors
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Ritter Bauunternehmung AG

✓ Offered10
New construction
New construction of above- and below-ground structures for investors, public authorities, public-sector-related companies and private clients; execution of construction projects from planning through to completion.
Building conversion
Building conversion of existing structures for investors, public authorities, public-sector-related companies and private clients; support of construction projects from planning through to completion.
Building refurbishment
Refurbishment of buildings for investors, public authorities, public-sector-related companies and private clients; implementation of construction projects according to requirements and on schedule.
Project development
Project development for construction projects, from initial planning to implementation; focus on the preparation and management of building projects.
General contractor
General contractor for construction projects; coordination and execution of projects for investors, public authorities, public-sector-related companies and private clients.
Façade construction
Façade construction within the building competencies, in conjunction with other fit-out and building-envelope services.
Timber construction / carpentry
Timber construction and carpentry as part of the building competencies, supplemented by further work on the building envelope and fit-out.
Insulation
Insulation for buildings in connection with façade construction, rendering and other fit-out works.
Rendering
Rendering works as part of façade and fit-out services for new-build, conversion and refurbishment projects.
Natural stone and stone carving works
Natural stone and stone carving works for construction projects, as a specialized scope alongside general construction work.
Trust & reputation

ranQ Trust Score of Ritter Bauunternehmung AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Ritter Bauunternehmung 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%
Ritter Bauunternehmung AG scores 85.5 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.55.07%
Ritter Bauunternehmung AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Ritter Bauunternehmung AG scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ritter Bauunternehmung 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 October 2026.

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

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Location

Sonnenstrasse 40
2504 Biel/Bienne

At a glance

Legal form
Corporation
UID
CHE-114.733.776
Founded
2009 · 17 years
Last commercial register change
December 4, 2025
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.
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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