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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsZurichRUBI Group AG
RUBI Group AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

RUBI Group AG provides a range of services in railway engineering, including planning and project engineering, digital infrastructure, client advisory and procurement, as well as traffic planning and technical assessments.

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Offering

Products & services

Industry:Civil Engineering Firms
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RUBI Group AG

✓ Offered7
Planning & Project Design
Planning and project design of rail infrastructure, specialist design for track and earthworks, signalling and safety systems, traction power supply systems, as well as construction phase, cost and schedule planning.
Client Support & Advisory
Support for clients with overall management, construction management, interface coordination, stakeholder management, commissioning and project implementation in the rail infrastructure sector.
Procurement, Sourcing & Submissions
Procurement services for public projects, tenders for planning and construction services, offer analysis, supplier audits, strategic procurement and TCO-oriented consulting.
Traffic Planning & Street-Space Design
Traffic planning, mobility and overall concepts, design concepts for roads and public spaces, parking, site development and traffic calming.
Expert Reports & Assessments
Analyses and expert reports on the planning, execution, operation and safety of rail infrastructure, including expert opinions, approvals, safety expert assessments and training.
Legal Advisory
Legal advisory for construction and procurement law, contract law and company law, including contract drafting, dispute resolution, change-order management and liability matters.
Digital Infrastructure
Digitalisation strategy, maturity assessment, conception and implementation of digital solutions, process optimisation, integration of applications, as well as change management and training.
Trust & reputation

ranQ Trust Score of RUBI Group AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

RUBI Group AG scores 60.5 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.67.124%
  • 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.52.910%
  • 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.50.08%
RUBI Group AG scores 89.8 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.89.612%
  • 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.90.07%
RUBI Group 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%
RUBI Group 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

RUBI Group AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 7 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
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Flüelastrasse 30
8047 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
Corporation
UID
CHE-247.287.028
Founded
2015 · 11 years
Last commercial register change
September 14, 2026
Employees
51 to 100
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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