ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsUster4-Trust Bauleitungen GmbH
4-Trust Bauleitungen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of 4-Trust Bauleitungen GmbH is the provision of services in the field of construction management and project management, including: construction management and project management, construction cost estimation, project control, scheduling, construction accounting, safety consulting on construction sites, structural engineering and consulting for planners, local construction management and construction journal, acceptance procedures, quality management, occupational safety, and organization of construction projects. The company offers these services to building owners, investors, authorities, general contractors, and architects.

AI-generated
Offering

Products & services

Industry:General Contractors
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
3.9/5

4-Trust Bauleitungen GmbH

✓ Offered9
Construction Site Management
Construction site management for new builds and renovations, on-site supervision, cost control, scheduling, tendering, contract award, commissioning and final project billing.
Project Management & Steering
Project management and project steering in the construction process, including project monitoring, scheduling, coordination, cost control and completion of the construction project.
Construction Cost Estimation
Construction cost estimation with construction brief, rough cost estimate, cost estimate according to BKP/EKG/e-BKP-H, budget estimate and fee calculations.
Tendering and Contract Award
Tendering and contract award with bills of quantities, cost estimates based on NPK or functional specifications, bid comparison and award application.
Renovation & Retrofit Project Management
Renovation and retrofit projects for apartments, multi-family houses, commercial buildings, medical practices, sports halls and other properties.
New Build Project Management
New build projects for single-family homes, multi-family houses and replacement new builds, including demolition, scheduling, cost control and on-site construction management.
Contracts & Quality Control
Works contracts under SIA 118, consultant and planner agreements, quality checks, safety audits and mediation in contract matters.
Project Development & Advisory
Project development, advice to planners, construction principles and site safety consulting with documentation.
Real Estate Valuation
Valuation of existing properties during commissioning and project close-out.
Trust & reputation

ranQ Trust Score of 4-Trust Bauleitungen GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

4-Trust Bauleitungen GmbH scores 58.5 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.60.024%
  • 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.45.610%
  • 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.70.08%
4-Trust Bauleitungen GmbH scores 77.2 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.86.512%
  • 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%
4-Trust Bauleitungen 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%
4-Trust Bauleitungen GmbH scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

4-Trust Bauleitungen GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 5 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
4
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle45
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Knowledge

No knowledge articles yet

Once 4-Trust Bauleitungen GmbH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

4-Trust Bauleitungen GmbH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank 4-Trust Bauleitungen GmbH by reviews, experience and specialisations.

Is this your company?

Claim the company profile of 4-Trust Bauleitungen GmbH to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Jungholzstrasse 19b
8610 Uster
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-282.794.011
Founded
2016 · 10 years
Last commercial register change
September 18, 2020
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.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    GG
    GLVDR Generalplaner AG
    Zurich
    BA
    Bauteam AG
    Zurich
    FA
    Freimannbau AG
    Mettmenstetten
    EG
    Eggenberger Generalunternehmung AG
    Volketswil
    SG
    Swiss General AG
    Zurich
    HA
    Halter AG
    Schlieren
    3G
    3 Grad Architekten AG
    Stäfa
    PS
    PLAN SICHT LUXURY CONCEPT AG
    Bubikon