Investment Banking
William Blair’s investment banking group enables corporations, financial sponsors, and owner/entrepreneurs around the world to achieve their growth, liquidity, and financing objectives.

Latest News & Insights
HqO Raises Series D Funding Led by Koch Real Estate Investments
William Blair acted as financial advisor to HqO, Inc., in connection with its over $50 million Series D funding round, led by Koch Real Estate Investments, a subsidiary of Koch Industries, along with participation from existing investors, including Accomplice, Insight Partners, and Related.
Read moreAviation Services Industry Update
Encouraging business jet activity in recent months and positive Q3 trendlines for U.S. general aviation point to global aviation’s continued recovery.
Read moreWilliam Blair Advises Wilvo Group
William Blair acted as the exclusive financial advisor to Wilvo Group, a portfolio company of Borromin Capital in connection with its pending sale to Rivean Capital.
Read moreEnhancing Results With a Buy-Side Debt Advisor
Buy-side financing has become increasingly complex, with direct lending dominating middle-market leveraged buyouts and acquisitions. New lenders and strategies have emerged, while investment committees have become fickle and are frequently deterred by complex credit stories.
Watch the videoSvanehøj Group Has Agreed to be Acquired by ITT Inc.
William Blair acted as the exclusive financial advisor to Svanehøj Group A/S, a portfolio company of Solix Group AB, in connection with its pending sale to ITT Inc. (NYSE:ITT) for a total enterprise value of approximately $400 million.
Read morePDQ Has Received a Significant Growth Investment From Berkshire Partners
William Blair acted as the exclusive financial advisor to PDQ, a portfolio company of TA Associates, in connection with a significant growth investment from Berkshire Partners.
Read moreHow We Can Help
Drawing on the collective intellectual capital and deep sector expertise of a global team that spans four continents, William Blair brings a rigorous and innovative approach to mergers and acquisitions, corporate board advisory projects, equity and debt financing, and wealth planning for liquidity events.
We are a trusted partner for your organization’s most important decisions. Truly strategic advice and process execution are the result of knowledge and vision. By combining a deep understanding of your objectives, your industry, and today’s global market, we help you navigate the short- and long-term opportunities and challenges facing your organization.
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Mergers & Acquisitions
Comprehensive sell- and buy-side advisory services for publicly traded and privately held companies.
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Corporate Advisory
Trusted, conflict-free advice for corporate boards.
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Private Wealth Planning for your Liquidity Event
Customized advice for liquidity events.
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A Trusted Partner for Founder-Owned Businesses
Guiding owners of closely held businesses and their trusted advisors through monumental decisions.
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Capital Markets
Empowered by a holistic approach, our Capital Markets group provides bespoke solutions to public and private clients seeking to fund organic growth and acquisitions, deleverage, and source liquidity. We combine the expertise of our Public Capital Markets, Private Capital Markets, and Leveraged Finance teams to provide comprehensive financing and liquidity capabilities and to meet the need for customized and creative solutions in all market environments. Since October 2018, we have completed over 600 capital markets transactions representing more than $265 billion in value (as of September 30, 2023). More about our Capital Markets group.
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Public Equity and Equity-Linked Capital Markets
Delivering compelling results to growth-oriented issuers of IPOs, follow-on offerings, convertibles, PIPEs, ATMs, and Registered Directs, via access to a global network of high-quality growth-focused institutional investors.
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Private Capital Markets
Accessing a diverse pool of active and passive investors to finance organic growth, acquisitions, and shareholder liquidity.
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Leveraged Finance
Specializing in advisory and arrangement services for public and private companies seeking debt capital.
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William Blair’s investment banking group enables financial sponsors and owner/entrepreneurs around the world to achieve their growth, liquidity, and financing objectives.
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Financial Sponsors Coverage
Creating value as a trusted partner to the private-equity community.
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Venture Capital Coverage
As a trusted partner to the venture capital community, we work closely with premier venture firms and their portfolio companies to provide unique insight, creative solutions, and optimal execution.
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Private Capital Advisory
Comprehensive solutions for the private equity community.
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As industry specialists, our bankers have extensive knowledge of your sector and the competitive landscape.
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Aerospace, Defense & Government Services
We are a trusted advisor to investors and high-growth companies in the aerospace and defense industries, as well as firms providing services to governments at the federal, state, and local levels.
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Biopharma
We serve clients that operate across a broad range of therapeutic areas, including oncology, immunology, neurology, rare disease, genetic medicines, liver disease, and other specialty pharma areas.
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Consumer & Retail
We serve clients across a host of subsectors, including: consumer products, consumer services, consumer technology and e-commerce, food, beverage and agriculture, consumer driven health and wellness, beauty and personal care, pet, automotive aftermarket, multisite retail, and restaurants.
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Financial Services
We are a trusted advisor to high-growth companies and investors within the financial services sector. We advise across a full spectrum of transaction types, including corporate advisory, M&A, and public and private capital raise situations.
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Healthcare IT
We have extensive experience working with clients across the healthcare continuum, including those in the following subsectors: analytics and machine learning, consumer / patient engagement, hospital and physician solutions, payer and employer solutions, pharma / life sciences IT, pharmacy IT solutions, post-acute care IT, and revenue cycle management.
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Healthcare Services
We serve clients across the healthcare ecosystem, including leading companies in the following subsectors: behavioral health, distribution, laboratory services, multisite – dental, dermatology, animal health, and optical, outsourced medical manufacturing, pharmaceutical services, post-acute / home health, and specialty provider groups.
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Industrial Growth Products
Our clients represent a broad range of industrial growth subsectors, including: building technologies, chemicals, diversified industrials, engineered components, industrial technology (including robotics and automation, machinery and equipment, motion and flow control, sensors and vision and energy and power), packaging and specialty materials.
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Medical Technology
We serve clients across the medical technology spectrum, including diagnostics, therapeutic devices, biopharmaceutical production, outsourced services, and research tools.
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Supply Chain & Commercial Services
We serve clients across the supply chain and commercial services ecosystem, including the following subsectors: environmental services, facility services, industrial services, specialty distribution, transportation and logistics, utility, and infrastructure services.
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Tech Enabled Services
We work with compelling growth stories across a wide array of subsectors, including: education and training; financial services; governance, risk, and compliance (GRC) and legal services; human capital management; information services; insurance and insurtech; marketing services; outsourced and IT services; professional services; and real estate services.
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Technology
We serve clients in a broad range of technology subsectors, including: application / vertical software; benefits and HR technology; digital media and marketing technology; e-commerce / e-retail; education technology; enterprise IT; gaming; human capital management; insurance technology; legal technology; managed services; outsourced / IT solutions providers; payments and payments security; security; and systems and semiconductors.
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Results Driven by Trust and Collaboration
William Blair’s strong results in recent years have been directly tied to our people and our unique culture. That culture is built on trust, collaboration, and creating opportunities for our clients and each other.
Investment Banking Careers
At William Blair, everyone has a seat at the table.
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billion in M&A transactions

of transactions involve repeat clients

countries represented by our clients and counterparties
October 2018 - September 2023
For More Information
Please contact a member of our investment banking team.
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For disclosure information, please visit www.williamblair.com/disclosures