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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringWinterthurPROSE AG
PROSE AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The company PROSE primarily focuses on developing and implementing solutions for the rail industry, particularly in the mobility sector. The core activities include: * Strategy development for rail companies * Design and construction of rail vehicles * Operation and maintenance of rail fleets * Training and empowerment of teams in the rail sector * Development and implementation of innovative solutions for the rail industry The company also provides comprehensive services in the rail sector, including project management, engineering, and consulting.

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4.1/5

PROSE AG

Industry:Technical Consulting & Engineering
✓ Offered12
Advisory and engineering services for rail technology
Expert consulting and engineering in railway technology and rolling stock, from strategy through development, procurement and vehicle authorisation to maintenance and modernisation.
Strategy consulting
Plans for existing fleets, operating plans, investment plans, risk analyses and maintenance strategies for asset management and rolling-stock strategies.
Procurement and tender management
Tender preparation, bid evaluation and negotiation support for rolling-stock procurements; support across the entire procurement process or on individual specialist topics.
Development of rail vehicles and systems
Electrical and mechanical engineering, system analysis and design, integration of subsystems, prototyping, functional tests, documentation and expert opinions for rail-bound vehicles.
Operations, maintenance and ECM advisory
Current situation and gap analysis, concepts for operation and production, customised maintenance optimisation plans and ECM consultancy for efficient servicing and maintenance systems.
Troubleshooting and fault analysis
Root-cause analysis, solution development, implementation supervision, demonstration of fault correction and accident investigations for rolling stock, railway systems and processes.
Modernisation and retrofit
Requirements analysis, documentation, refurbishment engineering, coordination of modernisation and support in vehicle authorisation procedures for existing rail vehicles.
Vehicle authorisation
Authorisation strategy, authorisation concept, authorisation dossier, management of the entire authorisation process and support for ERA processes such as OSS.
Signalling advisory and integration
Signalling advisory, requirement engineering, implementation concepts, procurement and rollout support for ATP, ATO, CBTC and on-board integration of CCS systems.
Cybersecurity for the rail industry
Cybersecurity strategy, requirements, risk analysis, vulnerability management, penetration testing and secure maintenance across the railway lifecycle.
Training and continuing education
Individually tailored training modules, guest lectures, training on brake systems, on-site training for safety-related parts and online basic modules for homologation and ECM topics.
Technical documentation
Technical writing, project management, training material, translations, information analysis, document management consultancy and the PRO(doc) online documentation library.
Trust & reputation

ranQ Trust Score of PROSE AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

PROSE AG scores 57.5 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.70.024%
  • 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.35.08%
PROSE AG scores 95.8 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.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.96.07%
PROSE 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%
PROSE AG scores 50.0 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

PROSE AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 out of 5 stars from 5 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.65
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

December 26, 2020Media
Wechsel in der Geschäftsleitung der Prose AG
bahnonline.ch

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Location

Zürcherstrasse 39
8400 Winterthur
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.886.808
Founded
1997 · 29 years
Last commercial register change
April 29, 2026
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.
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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