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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesWolfwilAlex Ackermann AG
Alex Ackermann AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Alex Ackermann AG is an installation company that plans, installs and services heating, ventilation and sanitary systems. The company also provides core drilling and concrete milling, water softening systems, energy consulting and project planning.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered8
Sanitary plumbing
Planning and construction of sanitary installations for new builds and conversions, water lines from the main connection to the tap, bathroom conversions and advice.
Service for heating and sanitary installations
Repairs, maintenance, replacement of system parts, descaling of boilers, service for water softening systems and heat pumps, bathroom conversions and energy optimizations.
Heating systems
Installation, planning, project design and consulting for heating systems for homes and industry, including heat pumps and underfloor heating.
Comfort ventilation
Planning, project design, consulting and installation of comfort ventilation systems for homes and industry.
Core drilling and concrete milling
Drilling and milling through walls and floors for renovation and installation work.
Water softening
Installation of water softening systems and service for Grünbeck water softening systems.
Energy consulting
Energy and impulse consulting to assess energy-saving potential and optimize systems.
Planning
Planning, project design and consulting for heating, ventilation and sanitary installations.
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4.1/5

Alex Ackermann AG

Trust & reputation

ranQ Trust Score of Alex Ackermann AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

Alex Ackermann AG scores 65.7 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.44.024%
  • 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.100.010%
  • 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%
Alex Ackermann AG scores 92.3 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.82.07%
Alex Ackermann AG scores 86.7 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).86.722%
Alex Ackermann AG scores 8.2 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 35.9.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.6.74%
Qualifications+0.00

Alex Ackermann AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 52 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
3.8
of 5

Aggregated from 52 reviews across all connected sources

Sources
GGoogle3.852
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

September 28, 2021Media
FC Härkingen verlängert Sponsorenvereinbarung mit Alex Ackermann AG
nau.ch

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Comparisons

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Location

Schulstrasse 35
4628 Wolfwil
Opening hours
Mon
07:30 - 11:45, 13:00 - 17:00
Tue
07:30 - 11:45, 13:00 - 17:00
Wed
07:30 - 11:45, 13:00 - 17:00
Thu
07:30 - 11:45, 13:00 - 17:00
Fri
07:30 - 11:45, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.241.502
Founded
1991 · 35 years
Last commercial register change
February 12, 2024
Employees
21 to 50
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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