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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsOltenrewo reto wollschlegel
rewo reto wollschlegel Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of rewo is the planning and implementation of conversions, renovations and furnishing consultations for residential buildings, particularly single-family homes. The company offers a comprehensive service that ranges from the initial sketch to the finished building, bringing the connection between old and new into harmony.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered5
Conversions and renovations
Design, planning and realisation of new builds, conversions and renovations; support for the client throughout the entire construction process, from the first sketch to the completed building.
Residential consulting and interior furnishing
Residential consulting and interior furnishing focused on new living spaces, Scandinavian design and the combination of old and new.
Design and planning
Design and planning for conversions, living space extensions and new rooms; creative development in line with the existing fabric.
Planning and realisation of living space extensions
Planning and realisation of living space extensions; support from concept through to implementation within the existing building.
Site supervision under a freelance mandate
Freelance support in the area of site supervision for construction projects, in addition to design, planning and realisation.
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3.7/5

rewo reto wollschlegel

Trust & reputation

ranQ Trust Score of rewo reto wollschlegel: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

rewo reto wollschlegel scores 56.5 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.68.224%
  • 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.17.610%
  • 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.70.08%
rewo reto wollschlegel scores 67.8 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.75.012%
  • 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%
rewo reto wollschlegel 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%
rewo reto wollschlegel 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%
Qualifications+0.00

rewo reto wollschlegel reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Friedaustrasse 4
4600 Olten

At a glance

Legal form
Sole proprietorship
UID
CHE-139.739.341
Founded
2019 · 7 years
Last commercial register change
November 7, 2019
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.
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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