Insights

Expansion Opportunities Sullivan & Cromwell is actively expanding its geographic footprint, including a notable expansion into London and broader Northern Europe. This signals ongoing demand for cross-border regulatory, finance, and restructuring expertise, creating opportunities to service new offices with scalable legal tech, knowledge management, and client onboarding solutions.

Regulatory and Advisory Needs High-profile leadership changes and strategic deals, such as advising on large LNG projects and capital restructuring work, indicate continued demand for complex regulatory, corporate finance, and compliance advisory services. Opportunities exist to offer governance, risk, and data privacy tools to support global transactions.

Technology Risk Despite a strong tech stack, the firm disclosed issues with AI-generated hallucinations affecting filings, highlighting a risk area in document accuracy and AI governance. This opens up sales opportunities for AI risk management, document quality assurance, and secure, auditable AI-assisted workflows.

Talent and Training Strategic hires and departures at the partner and associate levels, including leadership changes, point to ongoing talent planning needs. There is potential to offer recruitment analytics, employee engagement platforms, and scalable training solutions tailored to large law firms.

Client Growth and Large-Scale Deals With revenue in the multi-billion range and recent signings like Commonwealth LNG LLC for a $13 billion project, there is clear appetite for sophisticated deal-management systems, client-facing portals, and industry-specific know-how resources to streamline large-scale transactions and client collaboration.

Sullivan & Cromwell LLP Tech Stack

Sullivan & Cromwell LLP uses 8 technology products and services including S&P Capital IQ, Adobe, CCPA, and more. Explore Sullivan & Cromwell LLP's tech stack below.

  • S&P Capital IQ
    Accounting And Finance
  • Adobe
    Audio, Video, Graphics
  • CCPA
    Certificates
  • Cloudflare
    Content Management System
  • LinkedIn
    Online Community Software
  • Windows Server
    Operating Systems
  • Siteimprove
    Web Analytics
  • Microsoft ASP.NET
    Web Frameworks

Media & News

Sullivan & Cromwell LLP's Email Address Formats

Sullivan & Cromwell LLP uses at least 1 format(s):
Sullivan & Cromwell LLP Email FormatsExamplePercentage
LastF@sullcrom.comDoeJ@sullcrom.com
76%
First.Last@sullcrom.comJohn.Doe@sullcrom.com
10%
FirstL@sullcrom.comJohnD@sullcrom.com
8%
FLast@sullcrom.comJDoe@sullcrom.com
6%

Frequently Asked Questions

Where is Sullivan & Cromwell LLP's headquarters located?

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Sullivan & Cromwell LLP's main headquarters is located at 125 Broad Street New York, New York 10004 United States. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is Sullivan & Cromwell LLP's phone number?

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You can contact Sullivan & Cromwell 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 Sullivan & Cromwell LLP's official website and social media links?

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Sullivan & Cromwell LLP's official website is sullcrom.com and has social profiles on LinkedIn.

What is Sullivan & Cromwell LLP's SIC code NAICS code?

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Sullivan & Cromwell LLP's SIC code is 6732 - Educational, Religious, and Charitable Trusts NAICS code is 54111 - Offices of Lawyers.

How many employees does Sullivan & Cromwell LLP have currently?

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As of June 2026, Sullivan & Cromwell LLP has approximately 2.1K employees across 5 continents, including North AmericaEuropeAsia. Key team members include Chief Talent Officer: M. H.Chief Technology Officer: S. K.Chief Financial Officer: S. S.. Explore Sullivan & Cromwell LLP's employee directory with LeadIQ.

What industry does Sullivan & Cromwell LLP belong to?

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Sullivan & Cromwell LLP operates in the Law Practice industry.

What technology does Sullivan & Cromwell LLP use?

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Sullivan & Cromwell LLP's tech stack includes S&P Capital IQAdobeCCPACloudflareLinkedInWindows ServerSiteimproveMicrosoft ASP.NET.

What is Sullivan & Cromwell LLP's email format?

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Sullivan & Cromwell LLP's email format typically follows the pattern of LastF@sullcrom.com. Find more Sullivan & Cromwell LLP email formats with LeadIQ.

Sullivan & Cromwell LLP

Law PracticeNew York, United States1001-5000 Employees

Founded more than 140 years ago, Sullivan & Cromwell LLP is an international law firm that provides legal advice and representation to clients around the world. The firm has built a long-standing track record across its core practice areas and geographic markets. It comprises roughly 875 lawyers serving from a network of 13 offices and is headquartered in New York.

Its operations span major financial centers in Asia, Australia, Europe and the United States, reflecting a broad international footprint. In June 2026, the firm expanded its presence with new offices in London, United Kingdom, signaling ongoing international growth.

Section iconCompany Overview

Headquarters
125 Broad Street New York, New York 10004 United States
Phone number
SIC Code
6732 - Educational, Religious, and Charitable Trusts
NAICS Code
54111 - Offices of Lawyers
Employees
1001-5000

Section iconFunding & Financials

  • $1B$10B

    Sullivan & Cromwell LLP's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    Sullivan & Cromwell LLP's revenue is estimated to be in the range of $1B$10B

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