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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureOwner's RepresentativeZurichSPIESS+PARTNER AG Büro für Baurecht
SPIESS+PARTNER AG Büro für Baurecht Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Spiess+Partner is consulting and litigation in Swiss construction, planning and tendering law. They offer specialized services such as contract drafting and management, negotiations, mediation, dispute resolution, litigation and expert opinions for builders, contractors and planners.

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Products & services

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4.1/5

SPIESS+PARTNER AG Büro für Baurecht

5
Advisory and litigation in construction, planning and public procurement law
Advisory, contract drafting and contract performance, negotiations, mediation, dispute resolution, litigation and expert opinions under Swiss construction, planning and public procurement law.
Advisory and representation for construction clients
Advice and representation in construction-law matters, in particular regarding contracts, permits, construction works, claims disputes, out-of-court dispute resolution and further training.
Advisory and representation for contractors
Advice and representation in construction-law matters before construction begins, during the construction works and after acceptance, including contract award, works contracts, variations and defect claims.
Advisory and representation for design professionals
Advice and representation in construction-law matters relating to contracts, permits, claims disputes, out-of-court dispute resolution and training for design professionals.
Specialist advisory services in construction law
Advice and representation on permit matters, gravel extraction and landfills, purchase of land, neighbour law and expert opinions, including proceedings, contracts and risk analyses.
Trust & reputation

ranQ Trust Score of SPIESS+PARTNER AG Büro für Baurecht: 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.

SPIESS+PARTNER AG Büro für Baurecht 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%
SPIESS+PARTNER AG Büro für Baurecht scores 76.6 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.79.212%
  • 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%
SPIESS+PARTNER AG Büro für Baurecht 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%
SPIESS+PARTNER AG Büro für Baurecht scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SPIESS+PARTNER AG Büro für Baurecht 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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Location

Kirchenweg 5
8008 Zurich
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-300.893.736
Founded
2018 · 8 years
Last commercial register change
August 15, 2025
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.100.06%
  • 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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