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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesZurichRhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich
Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich provides rail-technology services covering track construction, equipment, and project and maintenance services for rail infrastructure. Offerings include mechanised and conventional track construction, machine maintenance, rental and trade of track machines and materials, and construction site management.

AI-generated
Offering

Products & services

Industry:Specialized Construction Activities
✓ Offered9
Railway engineering project business
Projects, calculations and execution of railway infrastructure projects; design, tender documentation, alternative solutions, cross-discipline coordination and on-time implementation.
Modernisation of railway infrastructure
Renewal and expansion of track routes and digital infrastructure; design of technical alternatives, lifecycle cost analyses, slab track, logistics concepts and general contractor services.
Tunnel refurbishment
Refurbishment, modernisation and safety-related retrofitting of railway tunnels; vault repair, drainage, clearance enlargement, roadway renewal and installation of safety equipment.
Track construction
Commercial and mechanised track construction for new builds and conversions, maintenance, ballasted track, slab track, rail welding, and tamping and grinding technology.
Railway equipment
Planning, delivery, installation and commissioning of railway power supply, overhead line systems, electrotechnical and electromechanical equipment, as well as line, interlocking and communication technology.
Site management / temporary works
Monitoring and communication on major construction sites; ZOKA, access control systems, location and person detection, radio technology, networking technology, alerting, video surveillance and power supply.
Services
Technical consulting, project management, site logistics, track surveying, construction surveying, diagnostics, safety services, inspection and analysis, staff rental and training.
Digital Rail Services
Digitisation along the project life cycle using BIM, asset/as-built model, construction sequencing and logistics simulations, drone surveys, geodata services, visualisation and digital project management.
Mechanised track construction
Tamping technology, ballast-bed cleaning, crane technology, grinding technology, site logistics, laying technology, track maintenance and full renewal of switches and points.
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4.1/5

Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich

Trust & reputation

ranQ Trust Score of Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich: 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.

Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich 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%
Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich scores 87.9 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.96.07%
Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich scores 83.3 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).83.322%
Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rhomberg Sersa Bahntechnik GmbH, Bregenz, Zweigniederlassung Zürich 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

Badenerstrasse 694
8048 Zurich

At a glance

Legal form
Foreign branch
UID
CHE-452.070.949
Founded
2013 · 13 years
Last commercial register change
December 12, 2023
Employees
101 to 500
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.73.06%
  • 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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