Harrison Swift is a specialist firm dedicated to complex private client US and UK tax matters. We provide expert compliance and advisory services for high-net-worth individuals, cross-border investors, and those with intricate filing requirements, including partnerships, LLCs, trusts, and sophisticated investment structures. We also specialize in complex tax disclosures and resolving historical non-compliance issues. With over 20 years of dual US and UK tax experience, we combine Big Four expertise with an entrepreneurial approach. As a boutique firm, we are intentionally small—ensuring you receive direct, hands-on guidance from a dual-qualified advisor who understands the nuances of your tax needs.

Harrison Swift

Org chart

Teams

Offices