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
TileBar Has Been Acquired by AEA Investors
William Blair acted as the exclusive financial advisor to TileBar, a founder-led business co-owned by the founder and LongueVue Capital, in connection with its sale to AEA Investors LP.
Read moreNew Federal Funding, Electric Vehicle Growth Put the Highway Safety Services Industry in Strong Position
America’s roads and highways—in disrepair for years—are set for major improvements after an infusion of federal money and upgrades necessitated by the growing popularity of electric vehicles.
Read moreWhat Companies Should Know About Divestitures
A divestiture—the sale of a business segment or operational asset—is more than a way to generate liquidity. It’s also an opportunity to refocus a company’s strategic direction.
Read moreGraham Partners Has Acquired Taoglas
William Blair acted as the exclusive advisor to Graham Partners and arranged debt financing to support its acquisition of Taoglas.
Read moreEvaluating Financial and Strategic Alternatives to Maximize Value
When it comes to major value-creation events, business owners and their advisors likely know the options fall under two categories—strategic and financial. But to find the best path forward, it’s crucial to dig deeper.
Read moreInflexion Private Equity Has Agreed to Acquire Nomentia
William Blair acted as the exclusive financial advisor to Inflexion Private Equity in connection with its pending acquisition of a majority stake in Nomentia, from PSG Equity and Verdane.
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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We provide guidance and execution in today’s dynamic global markets. By focusing on the long-term success of your organization, we deliver the right financing and capital solutions for your growth objectives. Our public equity, debt, and private-equity financing expertise and distribution capabilities allow you to enter the market using the right security at the optimal time with confidence and assurance.
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Equity Capital Markets
Delivering compelling results to growth-oriented issuers of IPOs, follow-on offerings, and private placements via access to a global network of stable, high-quality, long-term investors.
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Leveraged Finance
Advisory and arrangement services for companies seeking debt capital. We specialize in leveraged finance and debt capital markets.
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Private Equity
Advisory and placement services for growth companies seeking private equity or late stage venture 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.

billion in M&A transactions

of transactions involve repeat clients

countries represented by our clients and counterparties
January 2018 - December 2022
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