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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding contractorNiederwil AgHuwiler & Portmann AG
Huwiler & Portmann AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Huwiler & Portmann AG is a construction company carrying out building and civil engineering projects, renovations and refurbishments. Its services include residential, industrial and commercial buildings, excavation, sewerage and utility lines, and façade renovation.

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Service area

Offering

Products & services

Industry:Building contractorCivil works
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4.4/5

Huwiler & Portmann AG

Renovation
✓ Offered3
Building construction
Building construction for extensions, single-family houses, multi-family houses, industrial and commercial buildings, school facilities, agricultural buildings and banks; from consulting and planning to on-time execution.
Civil engineering
Civil engineering for smaller construction projects in connection with building construction and conversions, in particular excavation work, retaining walls, sewer systems, utility lines, maintenance work as well as front and garden areas.
Conversions & renovations
Conversions and renovations for existing properties, including additions and alterations of all kinds, masonry work, facade renovations, thermal insulation and concrete repairs; if required also as a general contractor.
Trust & reputation

ranQ Trust Score of Huwiler & Portmann AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of November 2026

Huwiler & Portmann AG scores 76.9 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.78.524%
  • 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.78.610%
  • 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.70.08%
Huwiler & Portmann AG scores 97.0 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.90.07%
Huwiler & Portmann AG scores 88.3 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).88.322%
Huwiler & Portmann AG scores 48.6 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 35.77.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.20.04%
Qualifications+0.00

Huwiler & Portmann AG 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 21 customer reviews. As of November 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 21 reviews across all connected sources

Sources
GGoogle4.721
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 28, 2025Media
Vom Maurer zum Bauführer – Aufstiegschancen im Bau
bremgarterbezirksanzeiger.ch
September 27, 2024Media
Das sind die Gewerbetreibenden, die in der Niederwiler Geere bauen werden
aargauerzeitung.ch
September 30, 2013Media
Das Bauunternehmen Huwiler und Portmann AG übernimmt A. Stenz AG
aargauerzeitung.ch

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Location

Buchgrindel 4
5524 Niederwil Ag
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-105.854.932
Founded
1981 · 45 years
Last commercial register change
July 4, 2023
Employees
51 to 100

Active in 1 of 26 cantons

  • AGAargau
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.95.03%
    • Full methodology

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