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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceExternal Asset ManagementBadenMarkstein Advisory AG
Markstein Advisory AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Markstein Advisory AG provides portfolio services for private and institutional investors, including asset and portfolio management. Its services include transaction management, construction trusteeship (Bautreuhand), management of real-estate companies and the marketing of new development projects.

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Products & services

Industry:External Asset Management
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4.2/5

Markstein Advisory AG

✓ Offered
5
Real estate investment products
Investment vehicles for sustainable real estate, residential properties and high-yield development projects; including Vertina Anlagestiftung, Real Fund One and the ImmoVision companies.
Transaction management
Marketing of income-producing properties, new-build projects, building land and operating properties; sale of real estate companies as well as search and valuation of investment properties.
Construction trustee services
Client representation and project development for new builds and renovation; condition analyses, due diligence, feasibility checks as well as monitoring of quality, schedule and costs.
Portfolio management
Management of real estate companies, leadership and analysis of real estate portfolios, asset management, and development of investment and financing strategies.
Marketing of new-build projects
Advisory during the development phase, marketing of newly built properties under condominium ownership, initial letting of new-build projects and support throughout the marketing process.
Trust & reputation

ranQ Trust Score of Markstein Advisory AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Markstein Advisory AG scores 76.5 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.60.624%
  • 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.100.010%
  • 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.95.08%
Markstein Advisory AG scores 74.3 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.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.82.07%
Markstein Advisory AG scores 86.7 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).86.722%
Markstein Advisory AG scores 56.7 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

Markstein Advisory AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 75 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 75 reviews across all connected sources

Sources
GGoogle4.275
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

January 7, 2025Media
Markstein: Advisory-Tochter mit neuem CEO
immobilienbusiness.ch

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Location

Haselstrasse 16
5400 Baden
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:30
Tue
07:30 - 12:00, 13:30 - 17:30
Wed
07:30 - 12:00, 13:30 - 17:30
Thu
07:30 - 12:00, 13:30 - 17:30
Fri
07:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-427.194.028
Founded
2022 · 4 years
Last commercial register change
April 30, 2025
Employees
21 to 50
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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