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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementZürichGMS Partner AG
GMS Partner AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of GMS Partner AG is construction management and construction supervision, including services such as project planning, scheduling and cost calculation. The company supports customers in the realization of construction projects and offers comprehensive solutions for the implementation of building projects.

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Offering

Products & services

Industry:Construction & Project Management
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4.2/5

GMS Partner AG

✓ Offered
5
Overall project management
Overall project management for construction projects, execution phases and commissioning; support for projects from A to Z together with planning partners.
Schedule planning
Schedule planning for project monitoring, based on networked structures of network planning techniques; also for preliminary design, construction design and execution.
Expertise
Review of external cost estimates and construction accounts, condition analyses of buildings, and specialist control functions.
Document preparation
Preparation of financial reports, bills of quantities, construction accounting, EKG and e-BKP-H cost analyses, as well as TU/GU submissions.
Project management for construction projects
Project-related services from preliminary design to the completion phase, including needs analysis, project organisation, cost estimate, tendering, construction management and final accounting.
Trust & reputation

ranQ Trust Score of GMS Partner AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

GMS Partner AG scores 65.9 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.75.024%
  • 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.40.910%
  • 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%
GMS Partner 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%
GMS Partner 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%
GMS Partner AG scores 65.7 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 35.65.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GMS Partner AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 4 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Hier entsteht die Karte
Kloten
8058 Zürich

At a glance

Legal form
Corporation
UID
CHE-106.107.973
Founded
1994 · 32 years
Last commercial register change
January 14, 2026
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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