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Mike Custar

Mike Custar

Managing Director, Private Capital Advisory

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About Mike

Mike Custar is a managing director for William Blair based in the firm’s New York office. He joined William Blair's investment banking team in 2022. Prior to William Blair, he worked for M2O Private Fund Advisors, Credit Suisse, and PricewaterhouseCoopers.

Community Involvement

Athletic Advisory Council for Greenwich Country Day School

Notable Transactions

Not Disclosed

LP Stake Sale with a Stapled
Fund Commitment

Not Disclosed

Single-Asset Continuation
Fund for

Not Disclosed

Single-Asset Continuation Fund for

Not Disclosed

has made a minority equity
investment in existing
portfolio company

Rigorous pursuit of your success. Every transaction. Every time.

Our investment bankers are 100 percent committed to your organization’s sustained success. By drawing on our deep industry and product experience as well as our dedicated global resources, we provide advisory and financing services that allow you to capitalize on today’s opportunities and anticipate tomorrow’s challenges.

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Private Capital Advisory

William Blair has extensive experience providing private equity firms with leading advice and execution across M&A, capital raising, and other strategic transactions. Our team of experts provides financial sponsors and their investors with holistic, bespoke solutions across all stages of the private equity lifecycle. Our Private Capital Advisory team works closely with our industry bankers, M&A Advisory group, and capital markets professionals to provide thoughtful insights and creative solutions designed to optimize client outcomes.

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Financial Sponsors

William Blair's Financial Sponsors Group is focused on developing and institutionalizing relationships with leading private equity firms around the world. Many of these relationships have been developed for over two decades providing us with senior-level access and credibility with the key decision-makers at each private equity firm. With over 295 successful sales to financial sponsors since 2015, we have proprietary insights into each financial sponsor's unique investment criteria, approach, and behavior. Our team's highly-relevant experience with and relevance to the private equity community uniquely positions William Blair to deliver exceptional results for our M&A sell-side clients.

More about our financial sponsors expertise
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About William Blair

William Blair is a premier global boutique with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs. As an independent and employee-owned firm, together with our strategic partners, we operate in more than 20 offices worldwide.*

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Year William Blair was founded

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Employees worldwide

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142 billion+

Client assets

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89 Years

Independent and employee-owned

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Offices worldwide

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Companies under coverage

As of March 31, 2024
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.

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This content is for informational and educational purposes only and not intended as investment advice or a recommendation to buy or sell any security. Investment advice and recommendations can be provided only after careful consideration of an investor's objectives, guidelines, and restrictions.

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