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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerSurseeBF berger + frank ag
BF berger + frank ag Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Operation of an architectural office and provision of all related services; participations; acquisition, management, exploitation and sale of intellectual property rights, real estate and securities.

Commercial register, canton of LU·As of August 28, 2026View on Zefix
Presence

Service area

Offering

Products & services

Industry:Engineer
✓ Offered3
Architectural and planning services
Creative architectural and planning services for residential and working spaces, including densification, conversion of use and intergenerational living, as well as other forms of housing.
Construction management and project support
Support from the first consultation through to completion, including construction management, scheduling, coordination of all parties involved and ongoing quality control.
Design of residential and workspaces
Planning and implementation of unique residential and working spaces based on the clients' ideas, wishes and goals.
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4.1/5

BF berger + frank ag

Trust & reputation

ranQ Trust Score of BF berger + frank ag: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

BF berger + frank 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%
BF berger + frank ag scores 85.5 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.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.55.07%
BF berger + frank ag 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%
BF berger + frank ag scores 82.9 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 35.82.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BF berger + frank 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Comparisons

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Location

Schlottermilch 18
6210 Sursee

At a glance

Legal form
Corporation
UID
CHE-110.350.844
Founded
2003 · 23 years
Last commercial register change
August 28, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • LUSursee
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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