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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesKleinandelfingenLANDOLT GRUPPE Bau + Immobilien Holding AG
LANDOLT GRUPPE Bau + Immobilien Holding AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

LANDOLT GRUPPE Bau + Immobilien Holding AG is the holding company of the Landolt Group for construction and real estate, offering services from planning and project development to realization and property management. Its services include building construction, civil engineering, infrastructure works, exposed-concrete work, demolition and transport, and facade work.

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Offering

Products & services

Industry:Holding Companies
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LANDOLT GRUPPE Bau + Immobilien Holding AG

✓ Offered12
Building construction
Building construction for residential buildings, industrial buildings and public buildings; from new builds and renovations to refurbishments and dismantling.
Civil engineering
Civil engineering for infrastructure, landscaping and water engineering, as well as other civil engineering works as part of new builds, renovations, refurbishments and dismantling.
Conversion & renovation
Conversion and renovation of residential, industrial and public buildings; including refurbishments and dismantling works.
Infrastructure construction
Infrastructure construction for facilities and structures in public and technical settings, complemented by specialised construction execution.
Residential construction
Residential construction for new builds and larger residential buildings, including execution across different project scales.
Industrial construction
Industrial construction for commercial and industrial projects, from execution through to completion.
Project development
Project development from the idea to the handover of keys, as part of the construction and real estate expertise.
Planning
Planning as part of construction preparation and project execution, from the idea to the handover of keys.
Construction realisation
Construction realisation of building projects, from planning through execution to handover.
Property management
Property management of real estate as part of the group’s real estate expertise.
Real estate marketing
Real estate marketing as an additional real estate service within the group.
Demolition & dismantling
Demolition and dismantling works as preparatory or accompanying construction services for conversion, refurbishment and new build.
Trust & reputation

ranQ Trust Score of LANDOLT GRUPPE Bau + Immobilien Holding AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

LANDOLT GRUPPE Bau + Immobilien Holding AG scores 73.3 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.57.024%
  • 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.95.110%
  • 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.95.08%
LANDOLT GRUPPE Bau + Immobilien Holding AG scores 66.4 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.39.612%
  • 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%
LANDOLT GRUPPE Bau + Immobilien Holding 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%
LANDOLT GRUPPE Bau + Immobilien Holding AG scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

LANDOLT GRUPPE Bau + Immobilien Holding AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.1 out of 5 stars from 41 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
4.1
of 5

Aggregated from 41 reviews across all connected sources

Sources
GGoogle4.141
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Schaffhauserstrasse 10
8451 Kleinandelfingen
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-440.416.171
Founded
2024 · 2 years
Last commercial register change
January 24, 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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