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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsMärwilRietmann Raum- und Projektentwicklung
Rietmann Raum- und Projektentwicklung Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is space and project development, particularly in the field of construction and planning law. The company offers services such as feasibility studies, expert opinions, consulting during planning processes and building permit procedures, quality, time and cost controls, as well as moderation of workshops and participation in juries.

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Offering

Products & services

Industry:Architecture FirmsReal Estate Project Development
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Rietmann Raum- und Projektentwicklung

✓ Offered6
Local & special land-use planning
Municipal guidelines and land-use plans, building regulations, protection ordinances, special-use plans and sectoral plans; expert preparation, support of planning procedures and advisory services for the awarding of planning contracts.
Planning and construction advisory
Advisory services for authorities, administrations, clients, investors and developers regarding spatial development, site and area evaluations, feasibility studies, expert reports, building and planning law as well as quality, schedule and cost monitoring.
Competition procedures
Advisory services for the preparation and conduct of architecture and planning competitions as well as competitive procedures, moderation of workshops and test planning processes, participation in juries and work as prize juror.
Spatial development concepts
Development of spatial development concepts and land-use strategies for municipalities and sites; definition of development objectives and planning foundations for the future spatial development.
Site development
Advisory services and support for site developments, including site evaluations, feasibility studies, development studies and planning of the planning foundations for construction projects.
Design plans and building concepts
Development of design plans, building development concepts and project studies for complex construction projects, often on the basis of competition or study projects.
Trust & reputation

ranQ Trust Score of Rietmann Raum- und Projektentwicklung: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Rietmann Raum- und Projektentwicklung 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.
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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%
Rietmann Raum- und Projektentwicklung scores 75.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Rietmann Raum- und Projektentwicklung scores 83.3 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).83.322%
Rietmann Raum- und Projektentwicklung scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rietmann Raum- und Projektentwicklung 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.

Knowledge

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Location

Sitegässli 8
9562 Märwil

At a glance

Legal form
Sole proprietorship
UID
CHE-251.600.795
Founded
2014 · 12 years
Last commercial register change
August 11, 2021
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.67.06%
  • 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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