Insights

Global Reach Sidley Austin LLP operates 21 offices worldwide with a large, multilingual team, indicating strong cross-border corporate, regulatory, and transactional needs across multiple jurisdictions—an opportunity to pitch multinational service packages and cross-border compliance solutions.

Energy and Infra Growth Recent hires and recognition in the Energy, Transportation and Infrastructure practice suggest ongoing expansion in this sector, signaling potential upsell opportunities in project finance, regulatory advisory, and litigation support for large infrastructure and energy clients.

Tax Leadership Appointment of Deborah Paul as co-head of Tax in New York points to heightened focus on sophisticated tax strategy and controversy work, offering sales angles for transfer pricing, international tax structuring, and tax controversy services.

Top-tier Positioning Band 1 recognition in Energy Transition and elite global law firm credentials position Sidley as a preferred partner for clients navigating complex regulatory, sustainability, and transition-related mandates, enabling tailored ESG, compliance, and risk management offerings.

Tech-Driven Efficiency A diverse technology stack (InVision, Smartsheet, Dynatrace, Workday, etc.) alongside robust security (Palo Alto Firewalls) indicates a sophistication in operations and client-facing platforms—opportunity to offer digital transformation, data analytics, and cybersecurity services to streamline legal workflows and client collaboration.

Similar companies to Sidley Austin LLP

Sidley Austin LLP Tech Stack

Sidley Austin LLP uses 8 technology products and services including InVision, Avaya, WordPress, and more. Explore Sidley Austin LLP's tech stack below.

Media & News

Sidley Austin LLP's Email Address Formats

Sidley Austin LLP uses at least 4 email formats:
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 August 2026, Sidley Austin LLP's annual revenue is estimated to be $1B - $10B.

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

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

How many employees does Sidley Austin LLP have currently?

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As of August 2026, Sidley Austin LLP has approximately 5.1K employees across 6 continents, including North America, Europe and Asia. Key team members include Chief Executive Officer: G. S., Chief Marketing Officer: K. V. and 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 InVision, Avaya, WordPress, Sketch, Workday, Palo Alto Firewalls, Smartsheet and Dynatrace.

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

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