Richard Tonge Principal, Global Mobility Services +1 212 542 9750


Richard is a Principal in the Human Capital Services practice for Grant Thornton US. Based in New York, Richard leads the Global Mobility Services team in the Northeast region.  He has significant experience advising clients from start-ups to large privately held and listed multinational companies on US and UK tax and social security issues for businesses with internationally mobile employees. Working across a range of industries, he also provides advice and guidance on assignment, tax and mobility policy, program management, international compensation and benefits and employment taxes issues.

Richard joined Grant Thornton UK LLP’s London office in 2006 on the firm’s graduate recruitment program. In 2016 he joined our New York City practice and was promoted to Principal in 2018. Richard has over 12 years of experience advising clients in different stages of growth and international expansion. He has managed large assignee programs, having designed and redeveloped assignment and tax policies and processes for businesses in industries from financial services, technology to consumer products. He has experience advising on multijurisdictional issues, including assignment structuring, tax and social security planning, payroll and employer obligations such as end of year compensation accumulation and reporting. Richard also supports companies assess global compliance and risks associated with internationally mobile employees.
Working with colleagues across Human Capital Services and Grant Thornton’s global organisation, he advises on international equity, benefits and employment taxes considerations.

Richard has spoken at industry events and authored thought leadership articles, discussing trends in global mobility, global and regional tax trends, including US tax reform and Brexit, and their impact for employers and individuals.

  • Chartered Institute of Taxation, Association of Taxation Technicians and Enrolled Agent.
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