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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsBrittnauB+S Architektur & Baumanagement GmbH
B+S Architektur & Baumanagement GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of B+S Architektur & Baumanagement GmbH is the provision of services in the field of architecture and construction management, including: Architecture: Development of individual and visionary architectural solutions; Construction Management: Project management and budgeting for construction projects, including budgeting and scheduling; Client Representation: Representation of the interests of clients and management of construction projects; Engineering: Technical planning, design and supervision of construction projects. The company also offers specialized services, such as the development of tiny houses and space-saving living solutions through its subsidiary Space.

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Products & services

Industry:General Contractors
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3.8/5

B+S Architektur & Baumanagement GmbH

✓ Offered5
Architecture
Architectural services, renovations and refurbishments, interior design and creative spatial planning, from initial planning to project completion.
Construction management
Quotations, project management and site management for construction projects, including cost control, budget monitoring, quality assurance and professional construction acceptance.
Client representation
Client representation with contract reviews, contract and procurement negotiations, cost control, budget monitoring, quality assurance and project closeout.
Civil engineering services
Technical planning, design and supervision, structural consulting as well as engineering services in above-ground and underground construction.
Quotations and costing for civil engineering works
Quotations, calculations, lump-sum offers, quantity checks, measurement take-offs, time-and-material billing and change-order management for earthworks and civil engineering works.
Trust & reputation

ranQ Trust Score of B+S Architektur & Baumanagement GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

B+S Architektur & Baumanagement GmbH scores 62.0 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.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.78.08%
B+S Architektur & Baumanagement GmbH scores 61.5 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.50.012%
  • 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%
B+S Architektur & Baumanagement 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%
B+S Architektur & Baumanagement GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

B+S Architektur & Baumanagement GmbH reaches a ranQ Trust Score of 3.8 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.

Knowledge

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Location

Mühlackerweg 3
4805 Brittnau
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-349.883.087
Founded
2023 · 3 years
Last commercial register change
July 20, 2023
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.88.06%
  • 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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