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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionChurLazzarini AG
Lazzarini AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Lazzarini AG is a construction services company offering planning and execution across building construction, civil engineering, large-scale civil works, timber construction and integrated property services. The firm provides architecture and project development, general contracting, construction management and specialist works including tunnelling and bridge works, and lists ISO 9001, ISO 14001 and ISO 45001 certifications.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered5
Overall planning and construction management
Overall planning, project development, construction project and detailed design planning, site management and construction management for residential, administrative and commercial buildings.
Building construction
Building construction for residential, school, administrative and hotel buildings, as well as renovations, extensions, new builds and conversions in solid construction.
Timber construction
Timber construction with system timber construction, element construction, interior fit-out, exterior façades, structures, additions and conversions, extensions and energy-efficient refurbishments.
Civil engineering
Civil engineering for road adjustments, bridges, tunnels, reservoirs, excavation pits and infrastructure projects in alpine and municipal environments.
Major civil engineering works
Major civil engineering works for tunnels, safety adits, bridges, caverns and larger infrastructure and special deep foundation projects.
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4.2/5

Lazzarini AG

Trust & reputation

ranQ Trust Score of Lazzarini AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Lazzarini AG scores 69.5 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.59.024%
  • 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.70.510%
  • 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%
Lazzarini AG scores 87.1 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%
Lazzarini 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%
Lazzarini AG scores 51.2 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 35.65.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.36.74%
Qualifications+0.00

Lazzarini AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.1 out of 5 stars from 15 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.1
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle4.115
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 1, 2026Media
Baukartell: Nun sind fast alle Rechnungen beglichen
suedostschweiz.ch
May 7, 2018Media
Bündner Ständerat gibt Mandat bei Baufirma ab
nzz.ch

Knowledge

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Comparisons

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Location

Grossbruggerweg 1
7000 Chur
Opening hours
Mon
07:30 - 11:45, 13:30 - 17:00
Tue
07:30 - 11:45, 13:30 - 17:00
Wed
07:30 - 11:45, 13:30 - 17:00
Thu
07:30 - 11:45, 13:30 - 17:00
Fri
07:30 - 11:45, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-434.049.153
Founded
1963 · 63 years
Last commercial register change
May 27, 2009
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.
76.0
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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