Insights

Global footprint Sidley Austin LLP operates a large global platform with offices in major financial and regulatory hubs, presenting opportunities to cross-sell services across jurisdictions and support multinational clients with cross-border transactions, regulatory work, and crisis management.

High-profile growth Active hiring in finance, tax, and global markets signals ongoing expansion and capacity to take on complex, high-value engagements, creating sales opportunities for additional advisory services and long-term retainer work.

Tax and private client prominence Recent Chambers ranking in Tax: Private Client nationally indicates strong capabilities in tax and wealth management, suggesting cross-sell potential to high-net-worth individuals and family offices seeking integrated legal and tax planning.

Technology stack Utilization of modern tools (SharePoint, SQL Server, cloud registries, automation) implies a receptiveness to tech-enabled legal operations, data privacy, e-discovery, and workflow optimization services to enhance efficiency for large clients.

Notable engagements Recent client onboarding, including International Game Technology, illustrates Sidley’s capacity to support complex transactions and regulatory matters for large, regulated industries, offering opportunities to propose end-to-end compliance, risk assessment, and governance solutions.

Similar companies to Sidley Austin LLP

Sidley Austin LLP Tech Stack

Sidley Austin LLP uses 8 technology products and services including Microsoft SharePoint, Integromat, Microsoft SQL Server, and more. Explore Sidley Austin LLP's tech stack below.

  • Microsoft SharePoint
    Content Management System
  • Integromat
    Continuous Integration
  • Microsoft SQL Server
    Database
  • Claude Code
    Generative Ai
  • TweenMax
    Javascript Frameworks
  • Node.js
    Programming Languages
  • Google
    Search Engines
  • Azure Container Registry
    Storage

Media & News

Sidley Austin LLP's Email Address Formats

Sidley Austin LLP uses at least 1 format(s):
Sidley Austin LLP Email FormatsExamplePercentage
FLast@sidley.comJDoe@sidley.com
80%
First.Last@sidley.comJohn.Doe@sidley.com
16%
Last@sidley.comDoe@sidley.com
3%
LFirst@sidley.comDJohn@sidley.com
1%

Frequently Asked Questions

What is Sidley Austin LLP's phone number?

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You can contact Sidley Austin LLP'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 Sidley Austin LLP's official website and social media links?

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Sidley Austin LLP's official website is sidley.com and has social profiles on LinkedIn.

How much revenue does Sidley Austin LLP generate?

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As of July 2026, Sidley Austin LLP's annual revenue is estimated to be $1B - $10B.

What is Sidley Austin LLP's SIC code NAICS code?

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Sidley Austin LLP's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 54111 - Offices of Lawyers.

How many employees does Sidley Austin LLP have currently?

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As of July 2026, Sidley Austin LLP has approximately 5.1K employees across 6 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: G. S.Chief Marketing Officer: K. V.Chief Privacy Officer: D. L.. Explore Sidley Austin LLP's employee directory with LeadIQ.

What industry does Sidley Austin LLP belong to?

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Sidley Austin LLP operates in the Law Practice industry.

What technology does Sidley Austin LLP use?

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Sidley Austin LLP's tech stack includes Microsoft SharePointIntegromatMicrosoft SQL ServerClaude CodeTweenMaxNode.jsGoogleAzure Container Registry.

What is Sidley Austin LLP's email format?

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Sidley Austin LLP's email format typically follows the pattern of FLast@sidley.com. Find more Sidley Austin LLP email formats with LeadIQ.

When was Sidley Austin LLP founded?

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Sidley Austin LLP was founded in 1866.
Sidley Austin LLP logo

Sidley Austin LLP

Law PracticeIllinois, United States5001-10000 Employees

Sidley Austin LLP is a global law firm based in Chicago, Illinois 60603, United States. The firm employs between 5,001 and 10,000 people and has about 2,300 lawyers. With a history spanning 160 years, Sidley serves clients in more than 70 countries on transactional, restructuring, investigation, regulatory, and litigation matters. It operates 21 offices across major commercial and financial hubs worldwide and its professionals speak more than 75 languages. The firm reports annual revenue of US$3.4 billion and maintains a website at sidley.com.

Section iconCompany Overview

Phone number
Website
sidley.com
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
54111 - Offices of Lawyers
Founded
1866
Employees
5001-10000

Section iconFunding & Financials

  • $1B - $10B

    Sidley Austin LLP's revenue is estimated to be in the range of $1B - $10B

Section iconFunding & Financials

  • $1B - $10B

    Sidley Austin LLP's revenue is estimated to be in the range of $1B - $10B

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