Abhishek Nigam

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Abhishek Nigam is a Senior Cross Border Tax Associate with more than a decade of experience advising individuals and families on complex U.S. and Canada–U.S. personal tax matters. He specializes in U.S. personal taxation, cross-border compliance, and international reporting for high-net-worth individuals, expatriates, and dual residents navigating multi-jurisdictional tax obligations.

Abhishek holds a Master of Business Administration (MBA) with a focus on Finance and International Business and is currently pursuing the Enrolled Agent (EA) designation. His work is characterized by strong technical precision, practical problem-solving, and a client-focused approach to tax planning and compliance.

Abhishek began his career in U.S. taxation with a global professional services firm, where he developed deep expertise preparing U.S. individual tax returns for expatriates, non-residents, and internationally mobile professionals. Over the course of his career, he has supported clients with complex international filings and reporting requirements, including foreign asset disclosures and cross-border compliance obligations.

Before joining MCA, Abhishek worked with Canadian accounting firms and as an independent contractor, providing cross-border tax services to clients with U.S. and Canadian tax exposure. In these roles, he led the preparation and review of U.S. and dual U.S.–Canada tax returns, advised on cross-border tax planning strategies, and served as a primary point of contact for clients and tax authorities. He has also played an active role in mentoring junior staff and improving workflow efficiency within tax teams.