# YYX Capital

YYX Capital is a Multi Family Office based in London, United Kingdom.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** London, United Kingdom
- **Region:** Europe
- **Address:** 43-44 New Bond Street, Mayfair, London W1S 2SA, United Kingdom
- **Founded:** 2015
- **Assets under management:** Undisclosed
- **Website:** yyxcapital.com
- **LinkedIn:** https://www.linkedin.com/company/yyx-capital/

## Regulatory record

- **Reports private funds:** No

## About

YYX Capital was founded in 2015 by Michael Jackson, former chairman of Sage and PartyGaming, and James Cox, founder of Simba Sleep. Their wealth stems from technology and consumer-goods ventures. The firm operates from its headquarters at 43-44 New Bond Street in Mayfair. YYX Capital focuses on early-stage through late-stage investments in technology, e-commerce and consumer sectors. It uses direct equity, co-investments and SPVs. Confirmed positions include holdings linked to Mahabis. The firm maintains activity across Europe, North America and Asia. Stonebridge, also headed by James Cox, frequently co-invests alongside YYX Capital. The firm lists no disclosed AUM figure or headcount. It maintains ties to The Garage Soho through Sir John Hegarty. YYX Capital also connects to the Optimal Health Foundation. No operational events from the last 24 months appear in available records. The structure centers on two founding principals who combine operating experience in technology and consumer businesses with direct investment activity. This setup shapes sourcing through personal networks rather than broad fund commitments.

## Sectors

- ClimateTech
- FinTech
- Luxury
- PropTech
- Digital Health
- HRTech
- Distressed & Turnaround
- Sports & Wellness

## People

- Michael Jackson — Chairman
- James Cox — Managing Partner
- Sir John Hegarty — Business Partner

## Questions

### Who runs investment decisions at YYX Capital?

Michael Jackson serves as Chairman and James Cox as Managing Partner. Sir John Hegarty participates as a business partner. Decisions draw from their operating backgrounds in technology and consumer sectors.

### How does YYX Capital source proprietary deal flow?

Sourcing occurs through the principals' networks from prior roles at Sage, PartyGaming and Simba Sleep. The firm also draws on connections to 24Haymarket and The Garage Soho.

### Does YYX Capital participate in fund commitments or only direct deals?

The firm uses direct equity investments, co-investments and SPVs. It does not appear structured around external fund commitments.

### What investment stages does YYX Capital typically target?

YYX Capital covers early stage through late stage, including seed and Series A rounds. It also engages in growth and distressed situations.

### Does YYX Capital maintain philanthropic structures?

The firm links to the Optimal Health Foundation. Details on separation or governance remain undisclosed in available records.

## Related profiles

- [Yukti Securities](https://altss.com/profile/yukti-securities)
- [Zak Capital](https://altss.com/profile/zak-capital)

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Last updated: 2026-06-03T20:00:00.000Z

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