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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringLuganoSPALU SA
SPALU SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

SPALU SA is a construction company providing paving, waterproofing, civil and structural engineering works, metal roofing/flashings and the installation of subfloors and industrial floors. Services include road and industrial asphalt or concrete pavements, waterproof membranes and roof systems, green roof solutions and expansion joint installations.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered3
Road surfacing
Mechanical excavation, grading, and compaction of subbases, hot bituminous road pavements for base and wearing courses, re-laying of existing pavements, paving setts and precast concrete blocks.
Waterproofing
Insulation with bitumen sheets for roofs and terraces, synthetic waterproofing membranes, thermal insulation, walkable roofs, green roofs, waterproofing against groundwater, mastic/ poured asphalt and expansion joints.
Building and civil engineering
Building work, civil engineering structures and reinforced-concrete conservation works.
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4.1/5

SPALU SA

Trust & reputation

ranQ Trust Score of SPALU SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

SPALU SA 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.58.324%
  • 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.55.910%
  • 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.100.08%
SPALU SA scores 88.2 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%
SPALU SA scores 85.0 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).85.022%
SPALU SA scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SPALU SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 8 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
4
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle48
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Via Concordia 12
6900 Lugano

At a glance

Legal form
Corporation
UID
CHE-110.154.705
Founded
2003 · 23 years
Last commercial register change
April 28, 2020
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.95.03%
    • Full methodology

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