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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementZurichCSTJ WTP GmbH
CSTJ WTP GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

CSTJ WTP GmbH is a construction management and general planning firm providing owner representation, site management, cost planning and tailored project mandates. The company also offers BIM planning and management and supports projects from preliminary design through final accounting.

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Products & services

Industry:Construction & Project Management
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CSTJ WTP GmbH

✓ Offered7
Construction management
Construction management for new builds, conversions and renovations; support from the preliminary project phase to the final billing, with control of quality, costs and deadlines.
Client advisory and client representation
Client advisory and client representation as tailor-made mandates; aligning the scope of services to the client’s needs and representing their interests in the project.
Site construction management
Site construction management with a fully equipped office on the construction site for larger projects; continuous monitoring and support of the execution.
General planning
General planning for construction projects with responsibility on site; coordination of processes and ongoing monitoring during execution.
BIM planning and BIM management
BIM planning and management with cost estimates prepared in-house; on request, strategic and project-related steering of BIM processes up to the 3D model.
Cost estimates
Cost estimates for construction projects, in particular prepared in-house using BIM; basis for project analysis and cost control.
Feasibility studies and contract analyses
Feasibility studies and contract analyses for architectural offices and clients; support already in the competition phase and during project development.
Trust & reputation

ranQ Trust Score of CSTJ WTP GmbH: 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.

CSTJ WTP GmbH 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%
CSTJ WTP GmbH scores 84.7 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.95.212%
  • 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.70.07%
CSTJ WTP GmbH 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%
CSTJ WTP GmbH scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CSTJ WTP GmbH 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.

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Location

Stauffacherstrasse 101
8004 Zurich
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-416.618.774
Founded
2013 · 13 years
Last commercial register change
May 20, 2021
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.
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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