Director, Financial Sponsors Group
Patrick Irwin is a director in William Blair’s Financial Sponsors Group based in the firm’s London office. He joined the investment banking team in 2024. Prior to William Blair, he worked for Clearwater, DNB Markets, and PWC.
a portfolio company of SHLM and LDC
has agreed to receive a strategic
investment from
Pending
William Blair acted as lead financial advisor to Sedex, a portfolio company of Sedex Holdings Limited and LDC, in connection with its pending strategic investment from Apax Funds.
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a portfolio company of Inflexion
has been acquired by
October 2025
Multi-Asset Continuation Fund
May 2025
William Blair acted as a financial advisor to Inflexion Buyout V Investments LP, in connection with the successful close of a £2.3 billion multi-asset continuation fund, the Inflexion Continuation Fund I.
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a portfolio company of August Equity
has been acquired by
November 2025
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More about investment banking at William Blair
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
William Blair is a premier global partnership 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 30 offices worldwide.*
Year William Blair was founded
Employees worldwide
Client assets
Independent and employee-owned
Offices worldwide*
Companies under coverage
As of March 31, 2026
*Includes strategic alliances with Allier Capital, BDA Partners, and Poalim Equity Ltd.
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