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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBulleaec - architecte, J. Rotzer
aec - architecte, J. Rotzer Logo
Verified· 2 sourcesTrust Score
Summary

About the company

aec - architecte, J. Rotzer provides architectural planning and project services for individual and collective housing, public buildings and renovations. The practice also carries out interior fit-outs, shopfitting and exhibition stand projects and works with ecological construction approaches such as timber systems.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered3
Architecture
Architecture for single-family housing, multi-family housing, public buildings, craft and agriculture; transformations, renovations, extensions and projects with an ecological approach.
Interior fit-out and shopfitting
Space planning, interior fit-outs, decoration, offices, banks, exhibitions, stands, points of sale, sport, leisure and health.
Custom prefabricated timber frame construction
Prefabricated timber frame construction, tailor-made projects with an adapted energy concept, workshop prefabrication, on-site assembly, natural and eco-friendly materials.
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4.1/5

aec - architecte, J. Rotzer

Trust & reputation

ranQ Trust Score of aec - architecte, J. Rotzer: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

aec - architecte, J. Rotzer has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
aec - architecte, J. Rotzer scores 78.5 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%
aec - architecte, J. Rotzer 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%
aec - architecte, J. Rotzer scores 11.1 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 35.11.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

aec - architecte, J. Rotzer reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Route de la Pâla 101
1630 Bulle
Opening hours
Mon
08:00 - 12:00, 14:00 - 17:00
Tue
08:00 - 12:00, 14:00 - 17:00
Wed
08:00 - 12:00, 14:00 - 17:00
Thu
08:00 - 12:00, 14:00 - 17:00
Fri
08:00 - 12:00, 14:00 - 15:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-107.384.067
Founded
1992 · 34 years
Last commercial register change
May 10, 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.
67.0
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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