Harbourdale Capital
Family officeLondon · Seed–Growth
Also known as D'Arcy International Limited · Horizon Holdings 1984 Limited
Investment thesis
Harbourdale Capital is a single family office with a diversified investment strategy spanning real estate, debt, and both public and private equity. Its primary focus is strategic investment in start-up and growth-stage companies across the UK and USA. The firm draws on decades of operational experience building and leading teams across industries, and traces its roots to a 30-year legacy that included the award-winning Tanglewood Care Home Group, acquired by Elevation Advisors in 2019. Harbourdale emphasizes collaboration and views people and culture as central to business success, positioning itself as an optimistic, long-term partner to the next generation of businesses.
Source: firm website, verified Aug 3, 2026.
Principals & officers · per Companies House
what is this? ⓘSecretary & Director · British
Director · British · since 2024
Tracy Ann Shelbourn — 75–100% of shares, 75–100% of voting rights, right to appoint and remove directors
Frequently asked questions
- What stage does Harbourdale Capital invest at?
- Harbourdale Capital invests at the Seed, Series A, Series B, Series C, Growth stages.
- What sectors does Harbourdale Capital focus on?
- Harbourdale Capital focuses on Sector Agnostic.
- Where is Harbourdale Capital located?
- Harbourdale Capital is headquartered in London, GB.
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