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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction managerSteinhausenLONTANO AG
LONTANO AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

LONTANO AG is a general contractor for new builds, conversions and renovations, providing planning, construction management and coordination of the trades. Its services also include cleaning, building maintenance, landscaping and garden care, and winter services.

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Presence

Service area

Offering

Products & services

Industry:Construction managerGeneral contractor
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3.5/5

LONTANO AG

Renovation
✓ Offered6
Planning and Construction Management
Site survey, concept and quotation, tendering and awarding of trades, site supervision, plus schedule and cost control through handover.
New Building Construction
Planning, execution and coordination of new-build projects across all trades, including handover ready for occupancy and final cleaning.
Renovation and Refurbishment
Bathroom, kitchen and apartment renovations, wall openings, dry construction and layout changes, painting and flooring work, also in occupied properties.
Property Maintenance
Regular inspections, minor repairs and maintenance of building services and the property, including laundry room, waste disposal and outdoor areas.
Cleaning Services
Routine cleaning, office and commercial cleaning, final construction cleaning and move-out cleans, plus facade, window and glass cleaning.
Landscaping and Grounds Maintenance, Winter Service
New landscaping and redesign of outdoor areas, lawn care, hedge cutting and planting, leaf removal, plus snow clearing and ice control.
Trust & reputation

ranQ Trust Score of LONTANO AG: 3.5 out of 5.0

Trust Score3.5/ 5.0

Solid

x

Data basis 54% · As of November 2026

LONTANO 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.
x
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%
LONTANO AG scores 41.3 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.0.012%
  • 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.70.07%
LONTANO 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%
LONTANO AG scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

LONTANO AG reaches a ranQ Trust Score of 3.5 out of 5.0 — rated «Solid». 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Goldermattenstrasse 39
6312 Steinhausen

At a glance

Legal form
Branch
UID
CHE-488.147.489
Founded
2026 · 0 years
Last commercial register change
September 25, 2026
Employees
11 to 20

Active in 1 of 26 cantons

  • ZGZug
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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