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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionOssingenLandolt + Co AG Totalunternehmung RDN
Landolt + Co AG Totalunternehmung RDN Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the execution of master builder works, including new constructions of all kinds, renovations of old properties and facades, renovation, conversion, drilling and scaffolding works, as well as specialized customer masonry work for the interior of buildings.

AI-generated
Offering

Products & services

Industry:Building ConstructionGeneral Contractors
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Landolt + Co AG Totalunternehmung RDN

Real Estate Brokerage
✓ Offered12
Total contractor
From planning to handover of the keys, including project execution, cost certainty and on-time delivery.
Planning
Planning of construction projects as part of core competencies, from idea to implementation.
Execution
Execution of construction projects as a core competency within the overall service.
Project development
Project development for construction projects, from the first concept to further detailing.
Property management
Property management as part of the service offering.
Property marketing
Property marketing within the scope of the services offered.
Building construction
Building construction for residential, industrial and special structures.
Residential construction
Residential construction for multi-family houses, housing estates, condominiums and detached houses.
Facade construction
Facade construction for new builds and construction projects in the residential and commercial sectors.
Conversion & renovation
Conversion and renovation work for existing buildings and facilities.
Industrial construction
Industrial construction for industrial buildings, logistics centers and other commercial structures.
Infrastructure construction
Infrastructure construction for facilities and structures in the public or technical environment.
Trust & reputation

ranQ Trust Score of Landolt + Co AG Totalunternehmung RDN: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Landolt + Co AG Totalunternehmung RDN scores 69.8 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.67.224%
  • 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.55.910%
  • 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.95.08%
Landolt + Co AG Totalunternehmung RDN scores 94.3 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.90.07%
Landolt + Co AG Totalunternehmung RDN 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%
Landolt + Co AG Totalunternehmung RDN scores 8.6 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 35.8.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Landolt + Co AG Totalunternehmung RDN reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 8 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
4.4
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.48
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Andelfingerstrasse 2
8475 Ossingen
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.778.363
Founded
1991 · 35 years
Last commercial register change
August 18, 2026
Employees
51 to 100
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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