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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceExternal Asset ManagementZurichJ. Stern & Co (Switzerland) AG
J. Stern & Co (Switzerland) AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of J. Stern & Co. is wealth management and advisory services for high net worth individuals, families and institutions. The company offers a broad range of services, including: Investment Management, Private Office Services, Direct Lending, Merchant Banking, and Charities & Endowments. The company focuses on managing wealth and generating returns for its clients, with a strong emphasis on long-term relationships and adherence to strict ethical standards.

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Offering

Products & services

Industry:External Asset Management
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J. Stern & Co (Switzerland) AG

Funds & Investment Companies
Private Equity & Venture Capital
✓ Offered6
Asset management
Actively managed investment strategies for long-term capital growth, with in-house fundamental research, portfolio selection and ongoing support via mandates, funds or separately managed accounts.
Equity strategies
Actively managed global and US equity strategies with concentrated portfolios, quality focus, high conviction and a long-term investment horizon.
Multi-asset strategy
Multi-asset portfolio with global equities, fixed-income investments and, where needed, selected alternative funds, aiming for total return, lower volatility and capital preservation.
Bond strategies
Actively managed corporate and emerging-market debt strategies with a bottom-up approach, currency and duration management, and a focus on risk control and total return.
Mandates and funds for institutional and private investors
Separately managed accounts, UCITS funds or Delaware LPs, depending on investor profile, jurisdiction and preference, with direct access to the investment team and regular reporting.
Investment advisory for wealth managers and advisers
Collaboration with wealth managers, independent advisers and multi-family offices, including access to investment materials, transparency regarding portfolio construction and structured relationship management.
Trust & reputation

ranQ Trust Score of J. Stern & Co (Switzerland) AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

J. Stern & Co (Switzerland) 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%
J. Stern & Co (Switzerland) AG scores 89.1 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.82.07%
J. Stern & Co (Switzerland) 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%
J. Stern & Co (Switzerland) AG scores 80.0 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 35.80.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

J. Stern & Co (Switzerland) 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 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

Gartenstrasse 10
8002 Zurich

At a glance

Legal form
Corporation
UID
CHE-241.383.231
Founded
2014 · 12 years
Last commercial register change
July 10, 2026
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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