US & UK Tax Advice for People and Businesses Across Borders

Bates Baker provides strategic US and UK cross-border tax advice to individuals, founders, families and businesses navigating the complexities of operating, investing and living across borders.

From international relocation and equity compensation to business expansion and cross-border structuring, we help clients understand how the US and UK tax systems interact — and plan before problems arise.

Evening view of the Tower Bridge over the River Thames in London with boats near the bridge and city skyline in the background under a cloudy sky.

Fifteen years at EY and KPMG. US Certified Public Accountant. Based in London.

Bates Baker was founded by Sally Hawkins, a US Certified Public Accountant with more than 15 years of Big Four experience advising multinational businesses, founders and internationally mobile individuals — across international tax, financial services, fintech and digital assets.

The difficult questions often arise where the rules intersect.

Cross-Border Tax Requires More Than Understanding Two Sets of Rules

A structure that works well in the US may create unexpected consequences in the UK — and vice versa. Income can be taxed at different times, investments can be characterized differently, and equity compensation — from founder shares to RSUs and stock options — can create very different tax outcomes across the two countries. An international move or business expansion can also create tax obligations long before they are obvious.

Bates Baker focuses on identifying these interactions early and helping clients develop a practical strategy across both systems.

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Planning Something Across the US and UK?

Whether you're moving countries, approaching a liquidity event, managing investments across jurisdictions or expanding a business internationally, the best time to understand the tax consequences is usually before the decision is made.