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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureOwner's RepresentativeWeier Im EmmentalProBAS Bau GmbH
ProBAS Bau GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of ProBAS GmbH is the provision of services in the field of construction and infrastructure projects, particularly in Switzerland. The activities include, among others: project execution management, owner representation, facility management, access to rail infrastructure, construction site safety in and around rail infrastructure, switching and earthing of rail power systems, and security services, such as safety delegates and safety officers for rail infrastructure facilities. The company also offers rental products and GFK products and has a nationwide network in Switzerland.

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Products & services

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ProBAS Bau GmbH

✓ Offered8
Client representation
Client representation for construction and renovation projects in the rail sector, including project and construction management, safety delegation, procurement and acceptance inspections.
Maintenance and upkeep work
Maintenance, upkeep work and technical special support in the rail sector, including installations, dismantling, protective structures and ongoing project support.
GRP products and structures
GRP platforms, GRP stairs, service, escape and rescue routes, as well as boarding and exit platforms for railway facilities and other safe access.
Screw foundations
Screw foundations for rail areas and other installations, with fast installation, minimal intervention in the subsoil and immediate load capacity.
Barriers, fencing and track closures
Rail-bound barriers, safety and event fencing, site barricades, as well as rental, delivery and installation of barrier systems.
Profiling and installations in the rail sector
Profiling of cabinets, buildings and antennas in the rail sector, including setting-out, installations, safety functions and overhead line switching.
Logistics, relocations and special transports
Logistics services, technical relocations and special transports, including moving in and positioning equipment, warehousing and on-time delivery.
Safety and maintenance support
Support for safe work at height and maintenance using aerial work platforms, scaffolding, safety personnel and technical equipment.
Trust & reputation

ranQ Trust Score of ProBAS Bau GmbH: 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.

ProBAS Bau GmbH 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%
ProBAS Bau GmbH scores 80.9 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.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.70.07%
ProBAS Bau 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%
ProBAS Bau GmbH scores 9.7 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 35.9.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ProBAS Bau GmbH 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.

Knowledge

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Location

Huttwilstrasse 3
3462 Weier Im Emmental
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-417.299.720
Founded
2016 · 10 years
Last commercial register change
May 16, 2024
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.
88.0
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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