Windlesham Advisors (Yamani Family Office)
Windlesham Advisors (Yamani Family Office) is a single-family office headquartered in London. Founded in 1986, it oversees the assets of the Yamani family, whose wealth stems from the late Saudi oil minister Ahmed Zaki Yamani’s oil and energy ventures.
Windlesham Advisors (Yamani Family Office)
Windlesham Advisors (Yamani Family Office) is a single-family office headquartered in London. Founded in 1986, it oversees the assets of the Yamani family, whose wealth stems from the late Saudi oil minister Ahmed Zaki Yamani’s oil and energy ventures. The office allocates capital into private equity, venture investments, and real estate while supporting cultural and philanthropic initiatives—managing the Yamani family's global investments and charitable commitments.
General information
Firm type
Single Family Office
Year founded
1986
AUM
—
Location
Region
Europe
Country
—
City
London
Corporate office
10 Orange Street, Haymarket, London, WC2H 7DQ
Frequently asked questions
What is Windlesham Advisors (Yamani Family Office)?
Windlesham Advisors (Yamani Family Office) is a single family office headquartered in London.
When was Windlesham Advisors (Yamani Family Office) founded?
Windlesham Advisors (Yamani Family Office) was founded in 1986.
Where is Windlesham Advisors (Yamani Family Office) headquartered?
Windlesham Advisors (Yamani Family Office) is headquartered in London, in the Europe region.
What does Altss track for Windlesham Advisors (Yamani Family Office)?
Altss maintains an OSINT-verified profile of Windlesham Advisors (Yamani Family Office) covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), assets (real estate, public market positions, private companies, art and cultural holdings, philanthropy and foundations), and network (club memberships, associations, and event participation). Detailed values are available to Altss subscribers.
What type of firm is Windlesham Advisors (Yamani Family Office)?
Windlesham Advisors (Yamani Family Office) is classified by Altss as a Single Family Office within the Europe region.
How does Altss source intelligence on Windlesham Advisors (Yamani Family Office)?
Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.
How fresh is the Altss profile for Windlesham Advisors (Yamani Family Office)?
Windlesham Advisors (Yamani Family Office)'s profile is part of Altss's continuous-refresh dataset, with a full update cycle at least every 30 days and priority changes applied as new information is verified.
Company types
Confirmed
Pipeline
Indicated
Negative
Industry focuses
Confirmed
Pipeline
Indicated
Negative
Regional focuses
Confirmed
Pipeline
Indicated
Negative
Technological focuses
Confirmed
Pipeline
Indicated
Negative
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Get accessInvestment stages
Confirmed
Pipeline
Indicated
Negative
Emerging interests
Hard exclusions
ESG policy
Direct deal program
Emerging manager LP program
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Get accessManager maturity preference
Confirmed
Indicated
Ticket size (USD M, min/max)
Preferred fund size (USD M, min/max)
Investment horizon (years, min/max)
Target IRR (%)
Max leverage
Liquidity terms
Currency preference
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Get accessPhilanthropy-only themes
Political donations
Service Providers & Advisors
| Category | Firm | Years Active | Primary Contact |
|---|---|---|---|
Company Deals
| Date | Company | Type | Sector | Geography | Role | Amount | Deal Lead | Co-investors | Insight |
|---|---|---|---|---|---|---|---|---|---|
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Get accessFund Commitments
| Date | Fund | Strategy | Geography | Role | Fund size | Vintage |
|---|---|---|---|---|---|---|
Club Memberships and Associations & Advisors
| Organization | Role | Since | Notes |
|---|---|---|---|
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Get accessEvent & Conference Participation
| Event | Role | Date | Location |
|---|---|---|---|
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Continuous refresh with full update cycles at least every 30 days.
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