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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding contractorAarauREGA BAU Regazzoni
REGA BAU Regazzoni Logo
Verified· 2 sourcesTrust Score
Summary

About the company

REGA BAU Regazzoni is an owner-operated construction company working in building and civil engineering. Its services include conversions, renovations, refurbishments and masonry, as well as repairs and maintenance, core drilling, tiling, gardening and painting.

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Service area

Offering

Products & services

Industry:Building contractorRenovationMason
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3.4/5

REGA BAU Regazzoni

✓ Offered8
Conversions
Conversions for residential and commercial buildings from planning to handover, including modernisation, space reconfiguration and energy-related refurbishment.
Refurbishments
Refurbishments from bathroom and kitchen renovations to complete building renewal, carried out professionally.
Masonry work
Masonry work and customer masonry services for private and business clients.
Repair and maintenance work
Small repairs and maintenance work carried out professionally.
Core drilling
Core drilling as a standalone construction service.
Tiling work
Tiling work for floors and walls in construction and interior finishing.
Garden work
Garden work around buildings and surrounding areas.
Painting work
Painting work for interior and exterior areas.
Trust & reputation

ranQ Trust Score of REGA BAU Regazzoni: 3.4 out of 5.0

Trust Score3.4/ 5.0

Solid

x

Data basis 54% · As of November 2026

REGA BAU Regazzoni 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%
REGA BAU Regazzoni scores 35.6 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.0.012%
  • 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%
REGA BAU Regazzoni scores 85.0 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).85.022%
REGA BAU Regazzoni 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

REGA BAU Regazzoni reaches a ranQ Trust Score of 3.4 out of 5.0 — rated «Solid». 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

Weihermattstrasse 67
5000 Aarau

At a glance

Legal form
Sole proprietorship
UID
CHE-382.617.183
Founded
2026 · 0 years
Last commercial register change
June 30, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 12 municipalities

  • Bezirk Aarau
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.
67.0
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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