Insights

Global footprint Leverage Simpson Thacher & Bartlett LLP's extensive international presence and diverse offices to position cross-border legal services, cross-sell advisory and transactional capabilities to multinational clients seeking integrated legal support across jurisdictions.

Private sector focus Target large corporate and financial services clients given the firm’s revenue scale and reputation in complex transactions; offer premium consulting on mergers, regulatory matters, and international financings where top-tier law firms command strong advisory influence.

Tech-enabled practice Highlight the firm’s advanced tech stack (Power BI, SAS, AWS, Terraform, SailPoint, etc.) as a selling point for clients seeking efficient, data-driven legal services, compliance tooling, and secure, scalable matter management.

Sustainability & pro bono Emphasize opportunities to collaborate on ESG, regulatory, and pro bono initiatives with the firm’s public-facing commitments and industry leverage to attract clients prioritizing responsible governance and social impact.

Market leadership Position against peers with comparable scale by underscoring the firm’s long history, global reach, and high-profile deal experience to win strategic advisory mandates, panel appointments, and preferred-provider status with corporate law departments.

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Simpson Thacher & Bartlett LLP Tech Stack

Simpson Thacher & Bartlett LLP uses 8 technology products and services including Power BI, SAS, Amazon Web Services, and more. Explore Simpson Thacher & Bartlett LLP's tech stack below.

Simpson Thacher & Bartlett LLP's Email Address Formats

Simpson Thacher & Bartlett LLP uses at least 8 email formats:
Simpson Thacher & Bartlett LLP Email FormatsExamplePercentage
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%
First.Last@stblaw.comJohn.Doe@stblaw.com
56%
FLast@stblaw.comJDoe@stblaw.com
40%
F_Last@stblaw.comJ_Doe@stblaw.com
3%
Last@stblaw.comDoe@stblaw.com
1%

Frequently Asked Questions

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.

How much revenue does Simpson Thacher & Bartlett LLP generate?

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As of October 2026, Simpson Thacher & Bartlett LLP's annual revenue is estimated to be $1B - $10B.

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

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

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

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As of October 2026, Simpson Thacher & Bartlett LLP has approximately 3.8K employees across 5 continents, including North America, Europe and Asia. Key team members include Chief Executive Officer: G. A., Chief Operating Officer, Emea: B. J. and Partner: P. V. D. A. 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 Power BI, SAS, Amazon Web Services, HashiCorp Terraform, Microsoft Dynamics, SailPoint, Cisco and Qualys.

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@simpsonthacher.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 logo

Simpson Thacher & Bartlett LLP

Law PracticeNew York, United States1001-5000 Employees

Simpson Thacher & Bartlett LLP is a law practice established in 1884 and headquartered in New York City. The firm employs between 1,001 and 5,000 people and has approximately 2,000 lawyers. It maintains 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 worldwide. More information about the firm is available on its website at simpsonthacher.com.

Section iconCompany Overview

Phone number
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

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