Insights

Global footprint Sidley Austin is a large, established global law firm with 21 offices and 2,300 lawyers serving clients in over 70 countries, indicating a broad cross-border service capability and potential for cross-market enterprise contracts, global regulatory support, and multi-jurisdictional engagements.

Digital readiness The tech stack includes WordPress, OneTrust, Microsoft Access, ChatGPT, jQuery, PHP, Cloudflare Bot Management, and Dynatrace, signaling an openness to tech-enabled operations, data privacy/compliance needs, and potential for security, governance, and workflow automation solutions.

Financial scale With annual revenue around 3.4 billion and a headcount of 5,001–10,000, Sidley represents a high-value client with significant procurement opportunities for enterprise software, enterprise services, cybersecurity, and risk management solutions tailored to large professional services firms.

Awards momentum Recent recognitions in Asia-focused securities and capital markets work, plus noted laterals and leadership appointments, suggest ongoing growth, investments in leveraged finance and IPO capabilities, and opportunities to support growth initiatives or competitive differentiation through consulting, training, or tech-enabled compliance platforms.

Targeted opportunities Key personnel and practice leadership (evident from awards and executive committee involvement) alongside a strong Hong Kong IPO track record point to potential sales opportunities in governance, risk, and regulatory tech, client onboarding efficiency, data analytics for deal work, and continuity planning services for high-profile corporate transactions.

Similar companies to Sidley Austin LLP

Sidley Austin LLP Tech Stack

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

  • WordPress
    Content Management System
  • OneTrust
    Cookie Compliance
  • Microsoft Access
    Database Management Software
  • ChatGPT
    Generative Ai
  • jQuery
    Javascript Libraries
  • PHP
    Programming Languages
  • Cloudflare Bot Management
    Security
  • Dynatrace
    System Analytics & Monitoring

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

Where is Sidley Austin LLP's headquarters located?

Minus sign iconPlus sign icon
Sidley Austin LLP's main headquarters is located at Chicago, Illinois 60603 United States. The company has employees across 6 continents, including North AmericaEuropeAsia.

What is Sidley Austin LLP's phone number?

Minus sign iconPlus sign icon
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?

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

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

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
As of June 2026, Sidley Austin LLP has approximately 5K employees across 6 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: G. S.Chief Inclusion Officer: L. R.Chief Marketing Officer: K. V.. Explore Sidley Austin LLP's employee directory with LeadIQ.

What industry does Sidley Austin LLP belong to?

Minus sign iconPlus sign icon
Sidley Austin LLP operates in the Law Practice industry.

What technology does Sidley Austin LLP use?

Minus sign iconPlus sign icon
Sidley Austin LLP's tech stack includes WordPressOneTrustMicrosoft AccessChatGPTjQueryPHPCloudflare Bot ManagementDynatrace.

What is Sidley Austin LLP's email format?

Minus sign iconPlus sign icon
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?

Minus sign iconPlus sign icon
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

Headquarters
Chicago, Illinois 60603 United States
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

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.