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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsPlaffeienHyko AG
Hyko AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Hyko AG includes consulting, planning and execution of projects in the areas of heating, plumbing, water supply and solar, as well as repair services in these areas.

AI-generated
Offering

Products & services

Industry:Solar & Photovoltaics
✓ Offered6
Heating installations
Heating systems for new builds, conversions and renovations; heat pumps, wood chip heating systems, solar heating and domestic hot-water preparation, district heating technology, oil heating systems.
Heating service and repairs
Service for heating systems, repairs and renovations, planning and permit applications for installations, calculations and flushing of underfloor heating with special equipment.
Plumbing installations
New systems, conversions and renovations in the sanitary sector; plumbing installations for industrial operations, bathroom, WC and shower facilities, shower enclosures.
Plumbing service and repairs
Service for sanitary installations, all repairs, boiler descaling, anti-limescale and filter systems, room ventilation for enclosed wet rooms.
Water supply
Planning and execution of water supply including supply and wastewater as well as rainwater management; in the service overview also listed as a separate area of expertise.
Solar heating and solar hot-water systems
Solar heating and domestic hot-water preparation as well as solar systems for boilers in the heating and sanitary sector.
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3.9/5

Hyko AG

Trust & reputation

ranQ Trust Score of Hyko AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Hyko AG scores 52.3 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.57.924%
  • 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.40.910%
  • 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.50.08%
Hyko 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%
Hyko 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%
Hyko AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hyko AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 4 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
3.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle3.84
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hauptstrasse 25
1716 Plaffeien
Opening hours
Mon
08:00 - 11:30, 13:30 - 16:30
Tue
08:00 - 11:30, 13:30 - 16:30
Wed
08:00 - 11:30, 13:30 - 16:30
Thu
08:00 - 11:30, 13:30 - 16:30
Fri
08:00 - 11:30, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.962.633
Founded
1980 · 46 years
Last commercial register change
July 22, 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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