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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral contractorRomanshornHafen Architektur AG
Hafen Architektur AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Hafen Architektur AG is an architecture practice providing project development, planning and construction management for new builds and renovations. Its services include feasibility studies, building permit applications, detailed planning, site coordination and 3D visualizations.

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Service area

Offering

Products & services

Industry:General contractor
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Hafen Architektur AG

✓ Offered8
Architecture
Architecture for new builds, renovations and project development, from the first idea through building submission and execution planning to completion.
Site management
Site management on the construction site with cost, schedule and quality leadership, including contractor coordination and documented decisions.
Project development
Project development including assessment of use, potential, permit-related questions and cost framework as a basis for decisions and financing.
Preliminary project / feasibility study
Assessment of use, space program, potential, permit-related questions and rough costs before detailed planning.
Building submission
Preparation of plans and documents, and structured support of the permitting process with clarifications and responsibilities.
Execution planning
Detailed plans, specifications and interfaces for a technically feasible and well-coordinated execution.
Renovation / new build
Planning for renovations and new builds with a focus on use, budget, design and realistic execution.
Visualization / 3D / AI-supported variants
Visualizations, 3D and digital variants for early assessment of rooms, material moods and project decisions.
Trust & reputation

ranQ Trust Score of Hafen Architektur AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of November 2026

Hafen Architektur AG scores 62.3 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.65.024%
  • 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.49.510%
  • 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.70.08%
Hafen Architektur AG scores 67.5 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.58.012%
  • 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%
Hafen Architektur 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%
Hafen Architektur AG scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hafen Architektur AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Mittere Gasse 12
8590 Romanshorn
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-370.218.416
Founded
2022 · 4 years
Last commercial register change
April 6, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • TGRomanshorn
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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