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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsBaarMartin Lenz AG
Martin Lenz AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Martin Lenz AG is a real estate service provider offering project development, project and construction management, and new-build and renovation services. The company develops, realizes and markets living spaces across German-speaking Switzerland and also acts as a general and total contractor while handling land transactions and property sales/rentals.

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Products & services

Industry:General Contractors
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4.4/5

Martin Lenz AG

Real Estate Project Development
✓ Offered7
Real estate project development
Development of real estate projects from finding the building plot to implementation; coordination of user requirements, urban planning requirements, legal framework conditions and cost optimisations.
Project and construction management
Control of construction projects throughout the entire realisation phase; compliance with standards, precise execution, interdisciplinary coordination and point of contact for the client.
New builds
Development and realisation of residential, commercial and industrial buildings; overall project management from planning, through design, to execution, also on an open-book basis.
Conversions and renovations
Modernisation, extension and renovation of existing buildings; energy-efficient and building-biologically sustainable solutions as well as preservation of valuable building fabric.
General contractor services
Realisation of construction projects according to the client’s plans for a lump-sum price; one contracting party for execution, while planning remains with the planners.
Total contractor services
Assumption of planning and execution under one contract; overall responsibility for project handling including all planning services.
Purchase and joint development of land
Purchase of plots of land or properties as well as joint project development with landowners; review of options for sale, partial sale and development.
Trust & reputation

ranQ Trust Score of Martin Lenz AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Martin Lenz AG scores 72.8 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.79.424%
  • 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.52.910%
  • 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.78.08%
Martin Lenz 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%
Martin Lenz 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%
Martin Lenz AG scores 77.1 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 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Martin Lenz AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 7 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Langgasse 47B
6340 Baar
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:30
Tue
08:00 - 12:00, 13:30 - 17:30
Wed
08:00 - 12:00, 13:30 - 17:30
Thu
08:00 - 12:00, 13:30 - 17:30
Fri
08:00 - 12:00, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.176.753
Founded
1999 · 27 years
Last commercial register change
February 5, 2026
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.
100.0
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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