Mark Funnell, EA, ATT
US/UK Tax Director
Mark specialises in US/UK cross-border tax compliance, planning, and advisory, helping individuals and businesses navigate complex residency, expatriation and streamlined filing, pension, and structuring matters with clarity and confidence.
With experience working alongside leading tax counsel and professionals across wealth management, immigration, insurance, FX, and corporate sectors, he brings a practical, solutions-focused approach to every engagement. At ETP, Mark contributes to technical strategy, client service, and team development, ensuring clients receive thoughtful, forward-looking advice tailored to their global footprint.
Mark is a dual-qualified US/UK tax advisor, holding the Enrolled Agent (EA) designation for US tax purposes and the Association of Taxation Technicians (ATT) qualification in the UK. He began his career at a mid-market boutique firm (later acquired by a Big Four firm) before moving on to a top-10 practice and, more recently, a boutique US/UK specialist firm.
At ETP, the focus is on delivering client-centred compliance, advisory, and planning services, working collaboratively with fellow professionals to ensure taxpayers feel supported, understand their position and the recommended strategy, and remain fully engaged throughout the process.
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