# Rosecastle Capital Family Office

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

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** London, United Kingdom
- **Region:** Europe
- **Address:** London, United Kingdom
- **Founded:** 2004
- **Assets under management:** Undisclosed
- **Website:** rosecastlecapital.co.uk
- **LinkedIn:** https://www.linkedin.com/company/rosecastle-capital-limited/

## Regulatory record

- **Reports private funds:** No

## About

Rosecastle Capital Family Office was established in 2004 by Nicholas Lumsden, who had previously co-founded Dexion Capital. The office operates from London and maintains ties to family assets including Longacre in Dorset and Picton Castle in Pembrokeshire. It deploys across buyout, distressed and growth stages. Asset classes include private equity, real estate, private credit and philanthropic vehicles. Geographic reach covers Europe, Asia and North America. Confirmed sector exposure spans Healthcare Services, Distressed & Turnaround, Cannabis & Psychedelics, Data Analytics and Supply Chain & Logistics. The current leadership includes Director Simon Robert Barclay-Brown and Head of Asian Investments Nicholas Littlewood. Advisor Johnny McClintock covers Middle East markets. Clare Philipps, spouse of the late founder, maintains a family connection through Picton Castle. No dated operational events from the last 24 months appear in available records.

## Sectors

- Healthcare Services
- Distressed & Turnaround
- Cannabis & Psychedelics
- Data Analytics
- Supply Chain & Logistics

## People

- Simon Robert Barclay-Brown — Director
- Nicholas Littlewood — Head of Asian Investments
- Johnny McClintock — Advisor

## Questions

### Who runs investment decisions at Rosecastle Capital Family Office?

Simon Robert Barclay-Brown serves as Director. Nicholas Littlewood heads Asian investments. Johnny McClintock advises on Middle East markets.

### How does Rosecastle Capital Family Office source proprietary deal flow?

The firm draws on prior relationships from Dexion Capital and direct family networks in Europe and Asia.

### Is Rosecastle Capital Family Office structured as a single family office or does it operate more like a venture firm?

It functions as a multi-family office that structures co-investments and provides portfolio oversight for multiple global families.

### Does Rosecastle Capital Family Office participate in fund commitments or only direct deals?

It engages in direct co-investments, SPVs and select fund exposure across private equity and real estate.

## Related profiles

- [Roscap](https://altss.com/profile/roscap)
- [Rosemark Management](https://altss.com/profile/rosemark-management-inc-arthur-g-cohen-family-office)

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Last updated: 2026-08-10T15:54:10.904Z

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