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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceRebsteinGraf - Baukonzepte GmbH
Graf - Baukonzepte GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Graf Baukonzepte GmbH is the planning, conception and implementation of construction projects, including new construction, renovation, refurbishment and expansion. The company offers comprehensive services, including project management, coordination of craftsmen and suppliers, cost control and support for self-performed work. It focuses on creating individual solutions for customer requests and offers a network of regional partners and specialists.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered
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3.9/5

Graf - Baukonzepte GmbH

3
Concept + planning
Structural concept and planning for new builds, conversions, renovations and extensions; clarifications from the building submission through to the start of construction, as well as support in case of damage.
Project management + support
Management and support of building projects, coordination of regional tradespeople, specialists and suppliers, on-site checks and cost monitoring.
Renovations and refurbishments
Renovations and refurbishments with accompanying services such as support for self-performed work, material deliveries, installation of insect screens, Schreiner Express-Service and glass-break repair.
Trust & reputation

ranQ Trust Score of Graf - Baukonzepte GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Graf - Baukonzepte GmbH scores 63.9 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.70.824%
  • 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.27.910%
  • 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.88.08%
Graf - Baukonzepte 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: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.70.212%
  • 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%
Graf - Baukonzepte GmbH 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%
Graf - Baukonzepte GmbH scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Graf - Baukonzepte GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bergstrasse 42
9445 Rebstein
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:30
Wed
07:30 - 17:30
Thu
07:30 - 17:30
Fri
07:30 - 17:30
Sat
08:00 - 11:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-374.662.431
Founded
2020 · 6 years
Last commercial register change
May 11, 2020
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.
88.0
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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