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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsThunLanzrein + Partner Consulting AG
Lanzrein + Partner Consulting AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Lanzrein + Partner Consulting AG is an architecture firm that provides consulting, site assessments, feasibility studies, concept development, planning and project delivery. Its main areas include conversions, renovations, heritage conservation, residential buildings, public buildings, and solar and sustainable architecture.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered9
Advisory, planning and delivery
Advisory, site assessment and feasibility studies; concept, project, planning and delivery; construction management as well as construction and cost management.
Alterations and renovations
Alterations, renovations, refurbishments and extensions of residential buildings, residential and office buildings, and smaller existing structures.
Heritage conservation
Renovations, alterations and partial renovations of listed residential, commercial and public buildings.
Residential buildings
New-build, alterations, extensions, refurbishment and renovation of detached houses, residential buildings and settlements.
Public buildings
New-build, alterations and extensions of school complexes, primary schools, medical practices, halls and other public buildings.
Construction and cost management
Construction management as well as construction and cost management for projects from planning through to delivery.
Site assessment and feasibility studies
Site assessment and feasibility studies as preliminary clarification for construction projects, concepts and project development.
Small-scale buildings
Planning small construction projects such as carports, as well as car and bicycle carports.
Architecture competition projects
Participation in architecture competitions for schools, community houses, church parish houses, indoor swimming pools and other public assignments.
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4.1/5

Lanzrein + Partner Consulting AG

Trust & reputation

ranQ Trust Score of Lanzrein + Partner Consulting AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Lanzrein + Partner Consulting AG scores 63.5 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.73.124%
  • 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.35.310%
  • 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.70.08%
Lanzrein + Partner Consulting 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%
Lanzrein + Partner Consulting AG 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%
Lanzrein + Partner Consulting AG scores 71.4 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 35.71.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lanzrein + Partner Consulting AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Seestrasse 57
3604 Thun
Opening hours
Mon
07:30 - 12:15, 13:30 - 17:15
Tue
07:30 - 12:15, 13:30 - 17:15
Wed
07:30 - 12:15, 13:30 - 17:15
Thu
07:30 - 12:15, 13:30 - 17:15
Fri
07:30 - 12:15, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.134.075
Founded
1979 · 47 years
Last commercial register change
June 4, 2015
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.100.06%
  • 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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