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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBaselMiller & Maranta AG
Miller & Maranta AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Miller & Maranta is architecture.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered9
Architectural services for building construction, conversion and renovation
Studies, design and execution of residential, office, school, hotel and cultural buildings; new builds, conversions, extensions, renovations and restorations.
General planning and construction management services
General planning, construction management and site management for complex construction projects with specialist planning coordination, cost and execution control.
Test planning, feasibility studies and study mandates
Test planning, feasibility studies, study mandates and design competitions for sites, buildings and urban development projects.
Urban planning and site development
Urban development concepts, zoning/building plans and further development of sites, districts and public spaces.
Housing construction and residential developments
Residential houses, multi-family homes, housing estates and high-rise residential buildings with different apartment typologies and courtyard or park frontage.
Buildings for education and research
School buildings, kindergartens, library and training facilities, as well as extensions, conversions and renovations for educational institutions.
Health and care facilities
Clinics, rehabilitation centers, health centers, nursing homes and senior centers with new builds and conversions as well as additions.
Hotel and catering buildings
Hotels, wellness and spa areas, restaurant conversions, reception and staff rooms, as well as additional guest rooms and ancillary spaces.
Cultural and exhibition buildings
Museums, art halls, exhibition spaces and cultural intervention buildings with conversions, renovations or reorganization of interior spaces.
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4.1/5

Miller & Maranta AG

Trust & reputation

ranQ Trust Score of Miller & Maranta AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Miller & Maranta AG 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%
Miller & Maranta AG scores 89.3 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.70.07%
Miller & Maranta AG 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%
Miller & Maranta AG scores 42.9 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 35.85.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Miller & Maranta AG 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 58%, 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.

Press

Media

January 13, 2011Media
Altes Hospiz St. Gotthard
swiss-architects.com

Knowledge

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Location

Schützenmattstrasse 31
4051 Basel

At a glance

Legal form
Corporation
UID
CHE-106.113.790
Founded
1998 · 28 years
Last commercial register change
November 24, 2016
Employees
11 to 20
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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