Iain Macmillan

Deloitte
Partner

Biography

Iain Macmillan, a well-known and highly respected M&A executive, has specialized in “end to end” services across the full M&A lifecycle for more than 25 years. He currently serves as Deloitte’s Global Leader and Executive sponsor for all M&A Services as well as being the Global leader for Deloitte’s Growth and Competitive Advantage client program. In addition, Macmillan is a partner in the U.K. firm, where he is responsible for Deloitte North South Europe’s M&A proposition. Across these roles, he leverages his extensive experience in complex U.K. and multinational transactions. Macmillan, who has been with Deloitte since July 2002, previously served as the firm’s Global Lead Client Service Partner on a number of major corporate and Private Equity clients.

Earlier in his career, he spent 14 years at Arthur Andersen, where he also served as a partner. In addition to being a qualified accountant, Macmillan holds an MBA from Manchester Business School, and a Bachelor of Science in Economics from The University of Bristol.

Firm Overview

Deloitte provides industry-leading audit, consulting, tax, and advisory services to many of the world’s leading brands, including nearly 90% of the Fortune 500® and more than 8,500 US-based private companies. It serves clients across various industries, including financial services, technology, healthcare, consumer, energy, and government, and provides consulting services in strategy, operations, technology, human capital, and digital transformation, among others. Deloitte is known for its industry expertise, innovative solutions, and commitment to delivering value to its clients.

Deloitte is also involved in thought leadership and research, producing reports and studies on topics ranging from emerging trends in business to economic outlooks and regulatory developments. Additionally, the firm is actively engaged in corporate social responsibility initiatives, focusing on areas such as education, sustainability, and community development. Deloitte brings over 175 years of service to its clients, with a network of member firms spanning more than 150 countries and territories.

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