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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsKaiseraugstTOP-HAUS AG
TOP-HAUS AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Top-Haus AG is the planning and execution of construction projects, particularly in the area of single-family homes and commercial buildings, with a focus on energy-efficient and ecological construction methods. The company offers services such as consulting, planning, organization and execution of construction projects and positions itself as a general contractor, taking care of all details.

AI-generated
Offering

Products & services

Industry:General Contractors
✓ Offered6
General contractor
Planning, construction management and execution of building projects; advice on home building and financing, coordination of construction phases and subcontractors, on-time delivery with cost transparency.
Single-family homes
Turnkey single-family homes in system or solid construction, with a fixed-price guarantee, individual design options and an eco energy-saving construction approach.
Multi-family homes
Planning and realization of multi-family homes with energy efficiency, high living comfort, value preservation, fixed-price guarantee and a short construction time.
Commercial buildings
Planning and realization of commercial buildings with a functional working environment, attractive architecture, a subcontractor network, productivity, safety and energy efficiency.
Renovation and conversion
Conversion, renovation and modernization of living spaces; optimized planning, implementation of change requests and professional, on-time execution with cost transparency.
Custom home design
Homes that can be designed individually, with freely selectable roof, façade cladding, wall layout and material choices down to the last detail, supported by customer and model homes.
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4.0/5

TOP-HAUS AG

Trust & reputation

ranQ Trust Score of TOP-HAUS AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

TOP-HAUS AG scores 61.9 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.63.324%
  • 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.45.610%
  • 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%
TOP-HAUS AG scores 85.5 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.55.07%
TOP-HAUS AG scores 83.3 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).83.322%
TOP-HAUS AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TOP-HAUS AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.2 out of 5 stars from 5 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
4.2
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.25
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Falkenweg 14
4303 Kaiseraugst
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-104.686.164
Founded
1998 · 28 years
Last commercial register change
November 21, 2023
Employees
1 to 10
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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