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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceKreuzlingenKunzBau AG Kreuzlingen
KunzBau AG Kreuzlingen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

KunzBau AG Kreuzlingen is a construction company carrying out new builds, renovations and refurbishments and providing specialist services such as core drilling, concrete milling and façade insulation/repair. The company also performs tiling and stove construction, offers construction consultancy and expertise, and manages real estate including rental and sales of apartments, offices, storage units and parking spaces.

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Offering

Products & services

Industry:Building Maintenance
✓ Offered8
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4.4/5

KunzBau AG Kreuzlingen

Masonry and concrete works
Building contractor works for new builds, conversions and renovations; client works, façade insulation and renovation, concrete milling, core drilling in concrete, as well as slab work.
New builds
New builds of residential and building projects, managed via the high-rise and new-builds department; part of the stated services.
Conversions / renovation
Conversions and renovations for existing buildings; client works and repair works in the building stock.
Façade insulation / façade renovation
Façade insulation and façade renovation for existing buildings; includes energy-related and structural upgrades to the building envelope.
Client works
Client works in the context of construction and conversions, complemented by smaller structural execution and special works.
Construction consulting / expert reports
Construction consulting and expert reports for building projects, condition assessments and professional evaluations.
Stove construction
Stove construction as a complementary construction and execution service for buildings and interior fit-out.
Real estate · rental · sale
Real estate rental and real estate sales with a focus on living, working and storage; tenant application support as a service for interested parties.
Trust & reputation

ranQ Trust Score of KunzBau AG Kreuzlingen: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

KunzBau AG Kreuzlingen scores 82.4 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.78.924%
  • 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.80.810%
  • 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%
KunzBau AG Kreuzlingen scores 83.5 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.95.212%
  • 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.55.07%
KunzBau AG Kreuzlingen 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%
KunzBau AG Kreuzlingen scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

KunzBau AG Kreuzlingen reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 23 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
4.7
of 5

Aggregated from 23 reviews across all connected sources

Sources
GGoogle4.723
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Konstanzerstrasse 3
8280 Kreuzlingen
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-340.104.618
Founded
2013 · 13 years
Last commercial register change
July 4, 2025
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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