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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding companyWidnauS + L Holding AG
S + L Holding AG Logo
Verified· 3 sourcesTrust Score4.3/5

S + L Holding AG

Summary

About the company

S + L Holding AG is a company group focused on architecture, project development, construction management, and general and total contracting. It also provides real estate brokerage services and develops residential, commercial, industrial, and public building projects.

AI-generated
Presence

Service area

Active in 1 of 26 cantons · 1 municipality

  • SGWidnau
Offering

Products & services

Industry:Holding company
✓ Offered6
Architecture & Planning
Architecture, project development down to the details, functional and sustainable planning, individual integration of client needs, concepts for single-family homes, multi-family homes, commercial, industrial and public buildings.
Project Development & Construction Management
Project and site developments, sustainable development of construction projects, solutions for social, ecological and economic issues, value enhancement or conversion of land plots.
Construction Site Supervision
Tendering, award and construction monitoring, coordination with specialist planners, engineers and contractors, scheduling and cost control during implementation.
General & Total Contracting
Turnkey construction of buildings, complete handling of contractor agreements, coordination of specialist planners, budget and schedule certainty for the client.
Land & Real Estate Brokerage
Advisory services for the sale of building land, assessment of a possible exchange of sold properties, discreet and fast processing.
Land Acquisition & Real Estate Consulting
Land acquisition, site comparisons with classification, condition assessment of building sites, subdivision and access concepts, usage concepts, Minergie energy concepts, building-law clarifications.
Trust & reputation

ranQ Trust Score of S + L Holding AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

S + L Holding AG scores 78.3 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValue
Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from across all connected sources

Comparisons

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Location

Poststrasse 5
9443 Widnau
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-139.553.612
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Weight
  • 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.76.724%
  • 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.68.910%
  • 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.95.08%
S + L Holding 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%
  • 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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
S + L Holding 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%
S + L Holding AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

S + L Holding AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 14 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. Full methodology

14 reviews
Sources
GGoogle4.714
★TrustpilotSoon
PProvenExpertSoon

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

Founded
2011 · 15 years
Last commercial register change
December 21, 2011
Employees
1 to 10

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