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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSports facility constructionWil SgSENN+CO WIL AG
SENN+CO WIL AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

SENN+CO WIL AG plans and builds swimming pools and renovates and modernizes existing facilities. Its services include pool liners, pool technology and heating solutions, as well as maintenance, cleaning and water care.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Sports facility construction
✓ Offered7
New swimming pool construction
New swimming pool construction from planning to implementation, for garden and indoor swimming pools; individual solutions, design, consulting and subsequent maintenance.
Swimming pool renovation
Swimming pool renovations and upgrades, including liner installation, waterproofing, renewal of outdated technology and adaptation to the current technical standard.
Swimming pool service
Cleaning, maintenance, upkeep and repairs; spring cleaning, spring check, commissioning, winterisation as well as ongoing maintenance and water care.
Planning of swimming pool projects
Consulting and planning in the early project stage, with CAD plans, sections, schematics and technical drawings, as well as coordination with the companies involved.
Swimming pool technology
Filter technology, measuring and control technology, water treatment, filter piping, and systems for operation with chlorine, bromine and salt electrolysis.
Swimming pool linings
Renolit Alkorplan swimming pool linings for new construction and renovation, seamless, tear-resistant, antimicrobial and suitable for both private and public facilities.
Swimming pool covers
Covers for swimming pools to reduce heat loss, for safety and to protect the building structure; operable manually or fully automatically.
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4.4/5

SENN+CO WIL AG

Trust & reputation

ranQ Trust Score of SENN+CO WIL AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

SENN+CO WIL AG scores 83.3 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.80.024%
  • 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.87.310%
  • 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%
SENN+CO WIL 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%
SENN+CO WIL 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%
SENN+CO WIL AG scores 8.9 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 35.8.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SENN+CO WIL 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 30 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. 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 30 reviews across all connected sources

Sources
GGoogle4.730
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hubstrasse 104
9500 Wil Sg
Opening hours
Mon
08:00 - 11:45, 13:30 - 17:00
Tue
08:00 - 11:45, 13:30 - 17:00
Wed
08:00 - 11:45, 13:30 - 17:00
Thu
08:00 - 11:45, 13:30 - 17:00
Fri
08:00 - 11:45, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.795.186
Founded
1977 · 49 years
Last commercial register change
December 2, 2016
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SGWil (SG)
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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