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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsOltenRothpletz, Lienhard + Cie AG
Rothpletz, Lienhard + Cie AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Rothpletz, Lienhard + Cie AG is a construction company and engineering firm that combines project planning, civil and tunnel engineering, and construction execution. Its services include project design and planning, construction execution and project support, pneumatic crane and transport services, and inventory/machinery yard and workshop operations.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered5
Planning
Strategic planning, preliminary studies, design development and tendering for construction projects; individually or as a package, with knowledge transfer between the construction company and the engineering office.
Construction company
Execution of various construction projects, in particular technically demanding projects and tunnel construction; also as general contractor with tailor-made solutions.
Construction management and technical support
Expert reports, advisory services, support and technical assistance in contract execution for private clients and the public sector.
Pneumatic crane and transport service
Crane and transport assignments, heavy haulage, work in confined spaces, and use of a modern fleet with a range of attachments.
Equipment rental, maintenance and overhaul
Rental of construction machinery and vehicles as well as minor repairs, maintenance and complete overhauls for own or rented equipment.
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4.1/5

Rothpletz, Lienhard + Cie AG

Trust & reputation

ranQ Trust Score of Rothpletz, Lienhard + Cie AG: 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.

Rothpletz, Lienhard + Cie AG 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.
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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%
Rothpletz, Lienhard + Cie AG scores 87.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.82.07%
Rothpletz, Lienhard + Cie 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%
Rothpletz, Lienhard + Cie AG scores 91.4 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 35.91.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rothpletz, Lienhard + Cie AG 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

Aarauerstrasse 50
4600 Olten

At a glance

Legal form
Branch
UID
CHE-211.809.998
Founded
1967 · 59 years
Last commercial register change
April 7, 2025
Employees
21 to 50
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.
76.0
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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