Insights

Independent expertise William Blair is an employee-owned, independent firm with a global footprint and partnerships, highlighting a stable, client-first culture that can be leveraged to position high-trust advisory and bespoke solutions to mid-market and cross-border clients.

Integrated services The firm spans investment banking, investment management, private wealth, institutional sales and trading, and equity research, presenting cross-sell opportunities to clients who may require coordinated advisory, asset management, and capital markets services.

Global reach With over 20 offices worldwide and strategic partnerships (Allier Capital, BDA Partners, Poalim Capital Markets), there are multiple regional entry points for expansion, co-sell initiatives, and cross-border mandates.

Revenue scale Reported annual revenue in the one to ten billion range places William Blair among mid-to-large cap peers, indicating potential for higher-value, enterprise-level deals in advisory, wealth, and institutional services.

Competitive positioning Comparable firms in the sector show strong revenue and larger workforce; William Blair can differentiate on independence, private ownership, and tailored client service to win mid-market clients seeking boutique-like attention with global capabilities.

William Blair's Email Address Formats

William Blair uses at least 3 format(s):
William Blair Email FormatsExamplePercentage
FLast@williamblair.comJDoe@williamblair.com
92%
First.Last@williamblair.comJohn.Doe@williamblair.com
6%
FirstLast@williamblair.comJohnDoe@williamblair.com
1%
LFirst@williamblair.comDJohn@williamblair.com
1%
FLast@wmblair.comJDoe@wmblair.com
58%
FL@wmblair.comJD@wmblair.com
36%
Last@wmblair.comDoe@wmblair.com
4%
First@wmblair.comJohn@wmblair.com
2%

Frequently Asked Questions

What is William Blair's phone number?

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You can contact William Blair's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is William Blair's official website and social media links?

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William Blair's official website is w-blair.com and has social profiles on LinkedIn.

How much revenue does William Blair generate?

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As of July 2026, William Blair's annual revenue is estimated to be $1B - $10B.

What is William Blair's NAICS code?

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William Blair's NAICS code is 52 - Finance and Insurance.

How many employees does William Blair have currently?

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As of July 2026, William Blair has approximately 2.6K employees across 6 continents, including North AmericaEuropeAsia. Key team members include Ceo Singapore & Head Of Asian Distribution: L. T.Ceo: E. P.Chief Executive Officer: M. P.. Explore William Blair's employee directory with LeadIQ.

What industry does William Blair belong to?

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William Blair operates in the Financial Services industry.

What is William Blair's email format?

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William Blair's email format typically follows the pattern of FLast@williamblair.com. Find more William Blair email formats with LeadIQ.

When was William Blair founded?

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William Blair was founded in 1935.
William Blair logo

William Blair

Financial ServicesIllinois, United States1001-5000 Employees

William Blair is a financial services firm headquartered in Chicago, Illinois, at 150 North Riverside Plaza, 60606 United States. It is an independent, employee-owned firm with more than 20 offices worldwide. The company maintains strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets. William Blair provides advisory services and operates with expertise across investment banking, investment management, private wealth management, institutional sales and trading, and equity research. The firm employs between 1,001 and 5,000 people and reports annual revenue in the range of $1B to $10B. The organization maintains a web presence at https://w-blair.com.

Section iconCompany Overview

Phone number
NAICS Code
52 - Finance and Insurance
Founded
1935
Employees
1001-5000

Section iconFunding & Financials

  • $1B - $10B

    William Blair's revenue is estimated to be in the range of $1B - $10B

Section iconFunding & Financials

  • $1B - $10B

    William Blair's revenue is estimated to be in the range of $1B - $10B

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