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Islandbridge Capital Limited
Multifamily office listing in London, United Kingdom.
- SEC-registered
- Founded 2008
- Regulatory AUM
- $1.6 billion
- Employees
- 16
- Clients
- 26-50
- Founded
- 2008
London-based multi-family office providing investment management and integrated strategic advice to families and successful entrepreneurs worldwide.
Overview
Islandbridge Capital Limited is a multi-family office founded in 2008. Its London team works globally with families and successful entrepreneurs, combining investment management with advice across clients’ wider financial lives.
History
Islandbridge was founded in 2008 and became a certified B Corporation in 2021. The firm says its decisions consider clients, employees, suppliers, the community and the environment.
Leadership
Joseph McCarthy is Islandbridge’s Founder and Chief Investment Officer.
Services
The firm’s family-office work helps clients manage investments and their wider financial lives, including next-generation education and foundation support.
Islandbridge provides investment services across public and private markets. Its private-markets team oversees origination, execution and reporting, tailoring activity to each client’s needs.
What the firm offers
- Investment management
- Philanthropy
- Family governance and education
Client Focus
Islandbridge serves families and successful entrepreneurs, with a London team operating globally.
Approach
Islandbridge describes its model as independent and relationship-led. The firm says it invests alongside clients and builds portfolios around their needs.
Its investment process is research-intensive and long term, supported by a global network that serves clients and investment partners.
The firm backs smaller, high-growth companies and management teams, with investment interests spanning climate change, carbon transition and social inclusion.
Registration
The Financial Conduct Authority lists Islandbridge Capital Ltd as authorised under firm reference number 491377.
By the numbers
| Year | Regulatory AUM | Discretionary | Non-discretionary |
|---|---|---|---|
| 2021 | $737 million | $25 million | $712 million |
| 2022 | $821 million | $25 million | $796 million |
| 2023 | $926 million | $25 million | $901 million |
| 2025 | $1.1 billion | $230 million | $825 million |
| 2026 | $1.6 billion | $503 million | $1.1 billion |
| Year | Average AUM per client |
|---|---|
| 2021 | $46 million |
| 2022 | $51 million |
| 2023 | $54 million |
| 2025 | $41 million |
| 2026 | $74 million |
| Year | Employees |
|---|---|
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 11 |
| 2025 | 13 |
| 2026 | 16 |
FAQs
What type of firm is Islandbridge Capital?
Islandbridge Capital is a London-based multi-family office that provides investment management and integrated strategic advice to families and successful entrepreneurs.
What investment markets does Islandbridge cover?
The firm invests across public and private markets. Its private-markets team oversees origination, execution and reporting tailored to client needs.
Who leads Islandbridge Capital?
Joseph McCarthy is the firm’s Founder and Chief Investment Officer.
Related resources
- LocationMultifamily offices in United Kingdom
This United Kingdom directory helps readers compare firms serving families from a London base. It can provide regional context when assessing investment management, family governance, philanthropy support, and advice for internationally connected families or entrepreneurs.
- GuideMultifamily office services
This services guide helps readers identify which forms of support they may need from a multifamily office. It is useful for connecting investment management with philanthropy, family governance, and education when planning advice for a family or business owner.
- Network siteFamilyOffices.com
FamilyOffices.com offers resources and a community focused on single family offices and wealthy families. Readers can use it to consider questions about governance, education, philanthropy, and working with a London based adviser serving clients across borders.
- GuideHow multifamily offices invest
This guide explains how multifamily offices may approach investing, including portfolio construction, risk, and time horizons. It can help a family or entrepreneur prepare questions about investment management and compare those considerations with broader governance or philanthropic priorities.
- Similar firmsBedrock Group
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MDR MayfairProfiles of Bedrock Group, Beryllus Capital, and MDR Mayfair give readers nearby examples on the same site. Comparing their locations, stated services, and client focus with Islandbridge Capital Limited can help clarify which questions matter for a London based family or successful entrepreneur.
Sources
- Islandbridge Capital
- Islandbridge Family Office
- Islandbridge Private Markets
- Islandbridge Values
- Islandbridge Investments
- Islandbridge B Corp Report
- Islandbridge careers and associate platform
- Financial Conduct Authority published records
This profile is a factual summary written in our own words from public sources. It is for information only. It is not an endorsement, rating, ranking or recommendation, and it is not investment advice. MultiFamilyOffices.com is not affiliated with the SEC or with this firm unless stated. Form ADV figures are self-reported by the firm.
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