/Investor DB

Turnstone

Family office

Douglas · 1 people tracked

Also known as Turn Stone Group Limited

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Investment thesis

Turnstone takes a holistic view of family wealth, treating the family and its business or investments as inseparable and aiming to maintain equilibrium across generations. It helps families crystallise their identity and use it to guide business decisions and governance, while implementing measures that promote communication, transparency and risk management. The firm emphasizes not only wealth preservation but family culture, unity, wellbeing and legacy, providing shared structures that reduce costs and organize family affairs. Its stated vision is to help families succeed in building and maintaining their legacy, approaching challenges entrepreneurially and seeking solutions that make the most of every opportunity.

Source: firm website, verified Oct 3, 2026.

HQ
Douglas, IM
Instruments
Equity
Founded
2005
Net assets · FY2024
$7.5M

Team · 1 people

from the firm's website

Principals & officers · per Companies House

what is this? ⓘ
Justin Anthony James Whitfield

Director · British · since 2008

Ownership & control

Justin Anthony James Whitfield — 75–100% of shares

Frequently asked questions

What sectors does Turnstone focus on?
Turnstone focuses on Sector Agnostic.
Where is Turnstone located?
Turnstone is headquartered in Douglas, IM.

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