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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsEnnendaAtelier Lando Rossmaier AG
Atelier Lando Rossmaier AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Atelier Lando Rossmaier is the provision of architectural services, in particular the planning and realization of construction projects such as new buildings, conversions and renovations of residential buildings, public buildings, bridges and other structures.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered8
Architectural planning
Architecture for residential buildings, public buildings, hospitality and commercial buildings; new builds, conversions, renovations and competition projects.
Competition projects
Participation in architectural competitions for residential homes, kindergartens, municipal buildings, commercial buildings and public facilities; often with rankings and awards.
Renovation and refurbishment
Conversions, partial refurbishments and adaptations of existing buildings, such as a mill, Haus Frohsinn, a crematorium or Bergstrasse.
Residential buildings
Residential houses and residential complexes, including a home for young people, Wohnheim Rothenbrunnen, and buildings with apartments above commercial or hospitality spaces.
Public buildings
Municipal buildings, kindergartens, museums, crematoria, footbridges and other public buildings or facilities for municipalities and institutions.
Hospitality and catering buildings
Country inns, restaurants and associated outdoor areas with function rooms, beer garden, terrace, kitchen and apartments.
Teaching and texts
Teaching activities, essays, lectures and architecture-theory texts on tectonics, design, repertoire and understanding of architecture.
Advisory services and participation in design matters
Participation as a design advisory board member and providing advisory input on urban-planning developments and village centres.
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3.9/5

Atelier Lando Rossmaier AG

Trust & reputation

ranQ Trust Score of Atelier Lando Rossmaier AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

Atelier Lando Rossmaier AG scores 56.6 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.70.824%
  • 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.27.910%
  • 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.50.08%
Atelier Lando Rossmaier 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%
Atelier Lando Rossmaier 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%
Atelier Lando Rossmaier AG scores 35.2 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 35.37.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.33.34%
Qualifications+0.00

Atelier Lando Rossmaier AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 26, 2026Media
Verrucano im Holzgefieder
hochparterre.ch
May 29, 2019Media
Zurück zur Idylle
hochparterre.ch

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Location

Schulhausstrasse 1
8755 Ennenda
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-179.950.907
Founded
2011 · 15 years
Last commercial register change
November 2, 2022
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.70.03%
    • Full methodology

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