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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsWinterthurLerch & Partner Generalunternehmung AG
Lerch & Partner Generalunternehmung AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Lerch Promotionen AG is the project development, management, marketing and sale of real estate, in particular single-family homes, commercial buildings, condominiums and rental properties, as well as conversions and renovations.

AI-generated
Offering

Products & services

Industry:General Contractors
✓ Offered4
Planning
Land-use planning, design planning, project planning, execution planning and cost planning according to the customer’s specifications, developed together with architects.
Project management
Construction and financial support of building sites with project management, site management, cost planning and cost control, scheduling, tender submissions as well as final accounts and rectification of defects.
General contractor
Overall management of a planned project as a general contractor with a guarantee for price, quality and deadlines, as well as organisation of the construction intentions.
Total contractor
Overall management of project ideas as a total contractor up to the operational readiness of the building, including complete organisation of construction execution.
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4.1/5

Lerch & Partner Generalunternehmung AG

Trust & reputation

ranQ Trust Score of Lerch & Partner Generalunternehmung 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.

Lerch & Partner Generalunternehmung 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%
Lerch & Partner Generalunternehmung AG scores 92.3 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.82.07%
Lerch & Partner Generalunternehmung AG scores 83.3 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).83.322%
Lerch & Partner Generalunternehmung AG scores 74.3 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 35.74.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lerch & Partner Generalunternehmung 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

Zürcherstrasse 124
8406 Winterthur

At a glance

Legal form
Corporation
UID
CHE-109.554.877
Founded
2002 · 24 years
Last commercial register change
February 9, 2024
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.100.06%
  • 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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