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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionSt. MoritzNicol. Hartmann & Cie. AG
Nicol. Hartmann & Cie. AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Nicol. Hartmann & Cie. AG is a construction company providing general contracting services, including turnkey building projects and building and civil engineering works. Its services also include specialist deep excavation, renovation, demolition and stabilization, blasting and rock works, concrete repair and sealing, façade and drywall work, workshop services and an on-site concrete plant.

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Products & services

Industry:Building Construction
✓ Offered12
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Nicol. Hartmann & Cie. AG

Turnkey buildings
Turnkey buildings from planning to handover ready for occupancy; complete execution of building projects as a general contractor.
Building construction
Building construction for small jobs and major projects; execution with qualified specialists, experience and modern technology.
Civil engineering works
Civil engineering works including hydraulic engineering, utility line construction, special concrete structures and track works; in compliance with environmental requirements.
Special deep foundation engineering
Special deep foundation engineering for excavation, rock blasting and deep trenches; use of machinery and trained specialists.
Renovation
Renovation and upgrading of existing houses; advice and modifications while preserving the existing character.
Demolition and securing works
Demolition of walls, interior areas or entire houses as well as securing of rock faces and slopes.
Blasting and rock works
Blasting and rock works on slopes; use of specialists for complex geological tasks.
Plastering work
Plastering work for interiors; versatile working techniques for shaping rooms and surfaces.
Facade and dry construction
Facade fronts as desired as well as dry construction with partition walls and low effort.
Waterproofing / bonded reinforcement
Waterproofing of underground garages, wet rooms and installations; protection against water ingress with an expert team.
Floor underlays and flowing screeds
Floor underlays and flowing screeds for rooms with underfloor heating, pipe connections or other connections.
Concrete repairs and restoration works
Renovation and restoration of existing concrete structures in case of flaking or carbonation damage, without total demolition.
Trust & reputation

ranQ Trust Score of Nicol. Hartmann & Cie. 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.

Nicol. Hartmann & Cie. 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%
Nicol. Hartmann & Cie. AG scores 83.1 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.70.212%
  • 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%
Nicol. Hartmann & Cie. 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%
Nicol. Hartmann & Cie. AG scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Nicol. Hartmann & Cie. 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

Via Surpunt 56
7500 St. Moritz

At a glance

Legal form
Corporation
UID
CHE-365.238.413
Founded
2020 · 6 years
Last commercial register change
September 17, 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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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