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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsReidenBK GU AG
BK GU AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company provides comprehensive services in the field of construction, including strategic planning, design, tendering, implementation and maintenance of construction projects. As a general contractor, it covers all phases of a construction project, from planning to completion, offering a complete package for builders and clients.

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Offering

Products & services

Industry:General Contractors
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BK GU AG

✓ Offered
8
Total contractor
Total project management for new builds, large-scale developments, refurbishments and renovations; planning, project engineering, tendering, coordination of trades, execution and final billing from a single source.
General contractor
Planning and execution of construction projects from the very beginning; defining requirements and needs, coordinating the parties involved, meeting schedule and budget targets, and handing over the property.
Strategic planning
Development of the fundamentals for the construction project; defining needs, concept of use, budget framework, level of fit-out, energy requirements, space programme and material concept.
Preliminary studies
Preliminary design and clarification of the legal building requirements; collaboration with the architect and client, preparation of the building permit and compilation of the required documents.
Project planning
Execution planning with tendering, early scheduling of the processes and preparation for starting work on site; on request also as a partial service for individual project phases.
Tendering
Neutral tendering and evaluation of offers for new builds and conversions; obtaining different bids and assessing them by price, type of execution, schedule, construction style, level of fit-out and quality.
Execution
Execution phase of the construction work with tight organization, overall supervision as well as cost and schedule monitoring until project completion.
Maintenance
Maintenance concepts for structures and real estate; information on maintenance measures according to the SIA standard together with partner companies to reduce maintenance effort.
Trust & reputation

ranQ Trust Score of BK GU 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.

BK GU 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.
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%
BK GU AG scores 89.3 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.70.07%
BK GU AG 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%
BK GU AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BK GU 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.

Knowledge

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Comparisons

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Location

Hauptstrasse 9
6260 Reiden
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:15
Tue
08:00 - 12:00, 13:30 - 17:15
Wed
08:00 - 12:00, 13:30 - 17:15
Thu
08:00 - 12:00, 13:30 - 17:15
Fri
08:00 - 12:00, 13:30 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.284.859
Founded
1988 · 38 years
Last commercial register change
February 7, 2023
Employees
11 to 20
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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