Insights

Global Legal Footprint Simpson Thacher & Bartlett LLP’s extensive international presence with offices in key financial and legal hubs such as New York, London, Hong Kong, and Tokyo presents opportunities to offer advanced legal technology solutions and legal process outsourcing services tailored to multinational law firms.

Strong Financial Position With revenues between one and ten billion dollars and a workforce exceeding a thousand legal professionals, the firm demonstrates substantial financial stability, making it a prime candidate for premium legal management software, security services, and enterprise technology investments.

Focus on Regulatory and Tax Expertise Their emphasis on regulatory and tax law, evidenced by recent personnel moves and high-profile mergers, suggests potential for tailored compliance tools, regulatory reporting solutions, and specialized legal analytics platforms to enhance service delivery.

Active Industry Collaboration Partnerships like those with Volsprobono indicate a commitment to community engagement and social responsibility, opening opportunities for technology solutions that support pro bono initiatives, legal outreach programs, or client social impact projects.

Tech Stack Advancements The adoption of advanced tools including GDPR, CCPA compliance, cloud platforms like Azure SQL, and legal management systems such as iManage Work signals an openness to integrating innovative legal tech solutions, creating potential for vendors specializing in cloud security, compliance automation, and legal analytics.

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

Simpson Thacher & Bartlett LLP's Email Address Formats

Simpson Thacher & Bartlett LLP uses at least 2 format(s):
Simpson Thacher & Bartlett LLP Email FormatsExamplePercentage
First.Last@stblaw.comJohn.Doe@stblaw.com
53%
FLast@stblaw.comJDoe@stblaw.com
39%
F_Last@stblaw.comJ_Doe@stblaw.com
3%
Last@stblaw.comDoe@stblaw.com
1%
F.Last@stblaw.comJ.Doe@stblaw.com
1%
LFirst@stblaw.comDJohn@stblaw.com
1%
First.MiddleLast@stblaw.comJohn.MichaelDoe@stblaw.com
1%
First.Last@stblaw.comJohn.Doe@stblaw.com
1%
First.Last@simpsonthacher.comJohn.Doe@simpsonthacher.com
78%
First_Last@simpsonthacher.comJohn_Doe@simpsonthacher.com
11%
First@simpsonthacher.comJohn@simpsonthacher.com
6%
FLast@simpsonthacher.comJDoe@simpsonthacher.com
5%

Frequently Asked Questions

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

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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?

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You can contact Simpson Thacher & Bartlett 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 Simpson Thacher & Bartlett LLP's official website and social media links?

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

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

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Simpson Thacher & Bartlett LLP's SIC code is 8641 - Civic, Social, and Fraternal Associations NAICS code is 54111 - Offices of Lawyers.

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

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As of March 2026, Simpson Thacher & Bartlett LLP has approximately 3.5K 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?

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

What technology does Simpson Thacher & Bartlett LLP use?

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

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

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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?

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Simpson Thacher & Bartlett LLP was founded in 1884.

Simpson Thacher & Bartlett LLP

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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Section iconCompany Overview

Headquarters
425 Lexington Avenue New York, New York 10017 United States
Phone number
SIC Code
8641 - Civic, Social, and Fraternal Associations
NAICS Code
54111 - Offices of Lawyers
Founded
1884
Employees
1001-5000

Section iconFunding & Financials

  • $1B$10B

    Simpson Thacher & Bartlett LLP's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    Simpson Thacher & Bartlett LLP's revenue is estimated to be in the range of $1B$10B

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