Insights

Market leadership Foulston Siefkin LLP is the largest law firm headquartered in Kansas with multiple office locations, signaling strong regional brand presence and potential opportunities to cross-sell services to a broad base of commercial clients, including large national and international corporations.

Diverse practice With expertise spanning civil and complex litigation, tax, business matters, employment and labor, and healthcare, there are multiple adjacent service lines to bundle for current clients and to target industries such as healthcare providers, financial services, and manufacturing.

Talent pipeline Active hiring of summer associates and recent arrivals suggests growth and upcoming associate-level staffing needs, presenting a chance to offer IT, e-discovery, research platforms, and security solutions to support expanding litigation and corporate practice teams.

Awards and credibility Recognition such as the 2026 Robert K. Weart Award enhances credibility with clients and prospects; leverage this prestige in proposals to differentiate from competitors and to win engagements involving sensitive or high-stakes matters.

Tech stack Current usage of secure email gateways, cloud-based communications, and web technologies indicates openness to tech-enabled solutions; position cybersecurity, data protection, and interoperability improvements as value adds for client confidentiality and regulatory compliance.

Foulston Siefkin LLP Tech Stack

Foulston Siefkin LLP uses 8 technology products and services including Open Graph, Apple iCloud Mail, Amazon Simple Email Service, and more. Explore Foulston Siefkin LLP's tech stack below.

  • Open Graph
    Content Management System
  • Apple iCloud Mail
    Email
  • Amazon Simple Email Service
    Email
  • Mimecast Secure Email Gateway
    Email Security
  • Font Awesome
    Font Scripts
  • JSON-LD
    Javascript Frameworks
  • Floating UI
    Javascript Libraries
  • fullPage.js
    Javascript Libraries

Media & News

Foulston Siefkin LLP's Email Address Formats

Foulston Siefkin LLP uses at least 1 format(s):
Foulston Siefkin LLP Email FormatsExamplePercentage
FLast@foulston.comJDoe@foulston.com
91%
Last@foulston.comDoe@foulston.com
5%
LFirst@foulston.comDJohn@foulston.com
4%

Frequently Asked Questions

What is Foulston Siefkin LLP's phone number?

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You can contact Foulston Siefkin 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 Foulston Siefkin LLP's official website and social media links?

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Foulston Siefkin LLP's official website is foulston.com and has social profiles on LinkedIn.

How much revenue does Foulston Siefkin LLP generate?

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As of July 2026, Foulston Siefkin LLP's annual revenue is estimated to be $50M - $100M.

What is Foulston Siefkin LLP's SIC code NAICS code?

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Foulston Siefkin LLP's SIC code is 8111 - Legal Services NAICS code is 54111 - Offices of Lawyers.

How many employees does Foulston Siefkin LLP have currently?

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As of July 2026, Foulston Siefkin LLP has approximately 187 employees across 2 continents, including North AmericaEurope. Key team members include Partner: B. B.Partner: C. S.Partner: D. A.. Explore Foulston Siefkin LLP's employee directory with LeadIQ.

What industry does Foulston Siefkin LLP belong to?

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Foulston Siefkin LLP operates in the Law Practice industry.

What technology does Foulston Siefkin LLP use?

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Foulston Siefkin LLP's tech stack includes Open GraphApple iCloud MailAmazon Simple Email ServiceMimecast Secure Email GatewayFont AwesomeJSON-LDFloating UIfullPage.js.

What is Foulston Siefkin LLP's email format?

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Foulston Siefkin LLP's email format typically follows the pattern of FLast@foulston.com. Find more Foulston Siefkin LLP email formats with LeadIQ.

When was Foulston Siefkin LLP founded?

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Foulston Siefkin LLP was founded in 1919.
Foulston Siefkin LLP logo

Foulston Siefkin LLP

Law PracticeKansas, United States51-200 Employees

Foulston Siefkin LLP is a mid-size law firm based in Wichita, Kansas, and it operates additional offices in Topeka and Overland Park. As the largest law firm headquartered in Kansas, it has served clients for more than a century. The firm provides legal services across civil and complex litigation, tax, business matters, employment and labor, and healthcare. Its client base includes large national and international corporations as well as small businesses and individuals.

Recent activity in May 2026 involved announcing the addition of several 2026 summer associates. The firm's multi-office presence and broad practice areas position it as a long-standing participant in the Kansas legal market.

Section iconCompany Overview

Phone number
SIC Code
8111 - Legal Services
NAICS Code
54111 - Offices of Lawyers
Founded
1919
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

    Foulston Siefkin LLP's revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    Foulston Siefkin LLP's revenue is estimated to be in the range of $50M - $100M

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