Insights

Global Presence Simpson Thacher & Bartlett LLP operates across multiple major financial and legal hubs worldwide, including offices in New York, London, Hong Kong, and Tokyo, indicating extensive international client engagement and potential for technology and service solutions that support global legal operations.

Technology Adoption The firm leverages advanced technology tools such as GDPR compliance, Azure SQL, iManage Work, and ServiceNow, presenting opportunities to offer innovative legal tech solutions, cloud services, cybersecurity, and data management platforms tailored for large law practices.

Financial Strength With revenues ranging from one to ten billion dollars and a workforce exceeding 1,000 legal professionals, Simpson Thacher demonstrates strong financial stability and persistent growth, which could facilitate investment in enterprise-scale legal and operational technology solutions.

Community Engagement Partnerships with organizations like Volsprobono showcase the firm’s commitment to social impact, opening avenues for branding, corporate social responsibility solutions, and platforms that enhance legal aid programs or CSR initiatives.

Leadership & Talent Recent leadership changes and partnerships with top legal professionals suggest ongoing strategic realignment and talent acquisition, providing opportunities to introduce talent management, HR tech, and professional training solutions tailored for large law firms.

Similar companies to Simpson Thacher & Bartlett LLP

Simpson Thacher & Bartlett LLP Tech Stack

Simpson Thacher & Bartlett LLP uses 8 technology products and services including GDPR, CCPA, SAP, and more. Explore Simpson Thacher & Bartlett LLP's tech stack below.

GDPR
Certificates
CCPA
Certificates
SAP
Customer Relationship Management
Azure SQL
Database
iManage Work
Document Management Systems
ServiceNow
Miscellaneous
Python
Programming Languages
Gallagher
Risk And Compliance

Media & News

Simpson Thacher & Bartlett LLP's Email Address Formats

Simpson Thacher & Bartlett LLP uses at least 2 format(s):

Simpson Thacher & Bartlett LLP Email Formats	Example	Percentage
First.Last@stblaw.com	John.Doe@stblaw.com	55%
FLast@stblaw.com	JDoe@stblaw.com	41%
F_Last@stblaw.com	J_Doe@stblaw.com	3%
Last@stblaw.com	Doe@stblaw.com	1%
First.Last@simpsonthacher.com	John.Doe@simpsonthacher.com	78%
First_Last@simpsonthacher.com	John_Doe@simpsonthacher.com	11%
First@simpsonthacher.com	John@simpsonthacher.com	6%
FLast@simpsonthacher.com	JDoe@simpsonthacher.com	5%

Frequently Asked Questions

Where is Simpson Thacher & Bartlett LLP's headquarters located?

Simpson Thacher & Bartlett LLP's main headquarters is located at 425 Lexington Avenue New York, New York 10017 United States. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is Simpson Thacher & Bartlett LLP's phone number?

You can contact Simpson Thacher & Bartlett LLP's main corporate office by phone at

+1-212-455-****

. 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 Simpson Thacher & Bartlett LLP's official website and social media links?

Simpson Thacher & Bartlett LLP's official website is simpsonthacher.com and has social profiles on LinkedIn.

What is Simpson Thacher & Bartlett LLP's NAICS code?

Simpson Thacher & Bartlett LLP's NAICS code is 54111 - Offices of Lawyers.

How many employees does Simpson Thacher & Bartlett LLP have currently?

As of April 2026, Simpson Thacher & Bartlett LLP has approximately 3.6K employees across 5 continents, including North AmericaEuropeAsia. Key team members include Ceo / President: W. S.Chief Operating Officer, Emea: B. J.Chief Information Officer: W. G.. Explore Simpson Thacher & Bartlett LLP's employee directory with LeadIQ.

What industry does Simpson Thacher & Bartlett LLP belong to?

Simpson Thacher & Bartlett LLP operates in the Law Practice industry.

What technology does Simpson Thacher & Bartlett LLP use?

Simpson Thacher & Bartlett LLP's tech stack includes GDPRCCPASAPAzure SQLiManage WorkServiceNowPythonGallagher.

What is Simpson Thacher & Bartlett LLP's email format?

Simpson Thacher & Bartlett LLP's email format typically follows the pattern of First.Last@stblaw.com. Find more Simpson Thacher & Bartlett LLP email formats with LeadIQ.

When was Simpson Thacher & Bartlett LLP founded?

Simpson Thacher & Bartlett LLP was founded in 1884.

Simpson Thacher & Bartlett LLP

Q: What technology does Simpson Thacher & Bartlett LLP use?

Simpson Thacher & Bartlett LLP's tech stack includes Microsoft Azure Data Factory, BeyondTrust, Microsoft Teams, Jupyter, Windows 10.

Q: What is Simpson Thacher & Bartlett LLP's NAICS code?

Simpson Thacher & Bartlett LLP's NAICS code is 54111 (Offices of Lawyers).

Law PracticeNew York, United States1001-5000 Employees

Simpson Thacher & Bartlett LLP is one of the world’s leading international law firms. The Firm was established in 1884 and has approximately 2000 lawyers. Headquartered in New York with offices in Beijing, Boston, Brussels, Hong Kong, Houston, London, Los Angeles, Luxembourg, Palo Alto, San Francisco, São Paulo, Tokyo and Washington, D.C., the Firm provides coordinated legal advice and transactional capability to clients around the globe.




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