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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsKreuzlingenArchitekturbüro Plan-A GmbH
Architekturbüro Plan-A GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of the company "plan-a gmbh" is the provision of architectural services, in particular the planning and realization of construction projects, including renovation, conversion, new construction, interior design and modular construction, as well as the evaluation of real estate.

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Products & services

Industry:Architecture Firms
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3.9/5

Architekturbüro Plan-A GmbH

✓ Offered
5
Architectural services
Feasibility studies, preliminary studies and drafts, planning up to the permit-ready project, tendering, implementation with construction management, cost control, construction schedule and rectification of defects.
Real estate valuation
Real estate valuations for private individuals and business clients, including an on-site inspection, review of the documents and preparation of a valuation report for purchase or sale.
Real estate consulting
Analysis of properties with statements on possible re-use, requirements for renovation and investment, and decision-making fundamentals.
Cost estimates
Cost estimates for conversions and new builds, and on request offers for large-scale projects, portfolio analyses and special properties.
Drafting assignments
Drafting assignments for clients, including plan preparation and measurement surveys, if documents for the real estate valuation are missing.
Trust & reputation

ranQ Trust Score of Architekturbüro Plan-A GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 96% · As of October 2026

Architekturbüro Plan-A GmbH scores 56.5 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.68.224%
  • 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.17.610%
  • 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%
Architekturbüro Plan-A GmbH scores 79.8 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.92.512%
  • 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%
Architekturbüro Plan-A GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Architekturbüro Plan-A GmbH scores 0.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Architekturbüro Plan-A GmbH 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 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Bodanstrasse 11
8280 Kreuzlingen
Opening hours
Mon
08:30 - 12:30, 13:30 - 17:30
Tue
08:30 - 12:30, 13:30 - 17:30
Wed
08:30 - 12:30, 13:30 - 17:30
Thu
08:30 - 12:30, 13:30 - 17:30
Fri
08:30 - 12:30, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-266.447.290
Founded
2014 · 12 years
Last commercial register change
June 24, 2026
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.
88.0
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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