What is Sidley Austin LLP's NAICS code?

Sidley Austin LLP's NAICS code is 54111 (Offices of Lawyers).

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Global Market Presence Sidley Austin operates in over 70 countries across key financial and commercial hubs with a highly multilingual workforce, indicating substantial cross-border legal needs and potential for international legal and consultancy services.

Expanding Practice Capabilities Recent hires in the global finance practice group and headcount growth suggest ongoing expansion and increased demand for complex transactional and finance-related legal services, offering opportunities for tailored financial technology integrations and consultancy.

Innovative Technology Adoption Utilization of advanced analytics and legal tech tools such as Looker, Tableau, and Collibra highlights a forward-thinking approach, creating prospects for legal tech vendors or data-driven legal service platforms.

Recognition and Leadership Sidley’s market leadership in Asia Investment Funds and award-winning lawyers position the firm as a preferred partner for high-profile legal projects, opening doors for premium legal service collaborations and prestige branding partnerships.

Financial Strength With annual revenues between one and ten billion dollars, Sidley Austin demonstrates robust financial health, providing a stable foundation for strategic partnerships, enterprise solutions, and high-value legal outsourcing opportunities.

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

Sidley Austin LLP Email Formats	Example	Percentage
FLast@sidley.com	JDoe@sidley.com	80%
First.Last@sidley.com	John.Doe@sidley.com	16%
Last@sidley.com	Doe@sidley.com	3%
LFirst@sidley.com	DJohn@sidley.com	1%

Sidley Austin LLP Email Formats

Example

Percentage

FLast@sidley.com

JDoe@sidley.com

80%

First.Last@sidley.com

John.Doe@sidley.com

16%

Last@sidley.com

Doe@sidley.com

LFirst@sidley.com

DJohn@sidley.com

Frequently Asked Questions

Where is Sidley Austin LLP's headquarters located?

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?

You can contact Sidley Austin LLP's main corporate office by phone at

+1-312-853-****

. 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?

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?

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?

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?

Sidley Austin LLP operates in the Law Practice industry.

What technology does Sidley Austin LLP use?

Sidley Austin LLP's tech stack includes WordPressOneTrustMicrosoft AccessChatGPTjQueryPHPCloudflare Bot ManagementDynatrace.

What is Sidley Austin LLP's email format?

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?

Sidley Austin LLP was founded in 1866.

Sidley Austin LLP

Q: What is Sidley Austin LLP's official website and social media links?

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

Q: How many employees does Sidley Austin LLP have currently?

Sidley Austin LLP has approximately 5K employees.

Q: What technology does Sidley Austin LLP use?

Sidley Austin LLP's tech stack includes Django, Cypress.io, amCharts, Cisco Meeting Server, Adobe Experience Cloud.

Law PracticeIllinois, United States5001-10000 Employees

Sidley is an elite global law firm. With 2,300 lawyers, annual revenue of US$3.4 billion, and experience that spans 160 years, we have established a reputation using Built to Win® legal strategies in successfully representing clients in more than 70 countries on complex transactional, restructuring, investigation, regulatory, and litigation matters.

With 21 offices strategically situated in key commercial and financial hubs across the world, our perspective and our reach are truly global. Our lawyers and business professionals, fluent in more than 75 languages, possess the cultural awareness and cross-border legal acumen needed to bring clarity to a dynamic business landscape.

Our offices are found in Beijing, Boston, Brussels, Century City, Chicago, Dallas, Geneva, Hong Kong, Houston, London, Los Angeles, Miami, Munich, New York, Palo Alto, San Diego, San Francisco, Singapore, Sydney, Tokyo, and Washington, D.C.

Attorney Advertising. Prior results do not guarantee a similar outcome. Photos may include Sidley alumni or other individuals who are not Sidley lawyers. Photos may be stock photographs.

All service marks herein are registered or used by Sidley Austin Holding LLP worldwide. © 2026 Sidley Austin Holding LLP. All rights reserved.

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