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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionSurseeKurmann + Balmer AG
Kurmann + Balmer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Kurmann + Balmer AG is the execution of construction work, particularly in the areas of: * Renovations and refurbishments * Building construction (residential buildings, office buildings, commercial buildings, public buildings) * Civil engineering (forecourts, pipeline construction, sewerage, earthworks, paving, surfacing) * Small-scale projects (renovations, bathroom and kitchen refurbishments, thermal insulation, demolition work, environmental work, drywall construction, repairs, sandblasting, drilling work, plastering, reinforcement bonding) The company also offers specialized services such as natural stone walls, earth and environmental work, pipeline construction and facade refurbishments.

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Offering

Products & services

Industry:Building ConstructionBuilding Maintenance
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Kurmann + Balmer AG

Civil Engineering
✓ Offered4
Renovation and refurbishment
Conversions, renovations, restorations, extensions, annexes, additions, concrete restoration, plastering work and facade refurbishments for residential and commercial properties.
Above-ground construction
New builds, residential construction, office buildings, commercial buildings, public buildings and scaffolding in above-ground construction.
Civil engineering
Forecourts, garage driveway entrances, utility line work, sewer systems, earthworks, surfacing work, paving, natural stone walls as well as earth and landscaping works.
Small jobs
Small and very small projects, repairs, bathroom and kitchen renovations, thermal insulation, demolition work, dry construction, plastering work, drilling and structural reinforcements.
Trust & reputation

ranQ Trust Score of Kurmann + Balmer AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Kurmann + Balmer AG scores 67.6 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.70.024%
  • 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.88.08%
Kurmann + Balmer AG scores 89.3 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.70.07%
Kurmann + Balmer 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%
Kurmann + Balmer AG scores 6.9 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 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kurmann + Balmer AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 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
4.6
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.65
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

St. -Urban-Strasse 1
6210 Sursee
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.276.495
Founded
1979 · 47 years
Last commercial register change
June 21, 2011
Employees
11 to 20
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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