Insights

Strong Local Presence Foulston Siefkin LLP is the largest law firm based in Kansas with multiple offices in Wichita, Topeka, and Overland Park, indicating a well-established regional footprint that can be leveraged for targeted legal services and regional marketing solutions.

Diverse Practice Areas The firm's extensive practice areas including civil litigation, tax, employment law, healthcare, and business matters suggest opportunities to cross-sell specialized legal services to their broad client base, from large corporations to small businesses.

Digital Engagement Foulston Siefkin maintains a modern web presence and utilizes prominent digital tools, which indicates openness to technology-driven services such as legal SaaS, online client engagement platforms, or marketing automation to enhance their client outreach.

Financial Scale With revenue estimated between 10M and 50M and a sizable employee base, there is potential to introduce financial and practice management solutions, legal technology products, or customized service packages tailored to mid-sized law firms with growing operational needs.

Foulston Siefkin LLP Tech Stack

Foulston Siefkin LLP uses 8 technology products and services including BootstrapCDN, Amazon Simple Email Service, Google Fonts API, and more. Explore Foulston Siefkin LLP's tech stack below.

BootstrapCDN

Content Delivery Network

Amazon Simple Email Service

Google Fonts API

Font Scripts

JSON-LD

Javascript Frameworks

OWL Carousel

Javascript Libraries

Modernizr

Javascript Libraries

PHP

Programming Languages

HSTS

Security

Foulston Siefkin LLP Email Formats	Example	Percentage
FLast@foulston.com	JDoe@foulston.com	48%
Last@foulston.com	Doe@foulston.com	2%
LFirst@foulston.com	DJohn@foulston.com	2%
FLast@foulston.com	JDoe@foulston.com	48%

Foulston Siefkin LLP Email Formats

Example

Percentage

FLast@foulston.com

JDoe@foulston.com

48%

Last@foulston.com

Doe@foulston.com

LFirst@foulston.com

DJohn@foulston.com

FLast@foulston.com

JDoe@foulston.com

48%

Frequently Asked Questions

Where is Foulston Siefkin LLP's headquarters located?

Foulston Siefkin LLP's main headquarters is located at 1551 N. Waterfront Parkway, Suite 100, Wichita, KS 67206-4466, US. The company has employees across 2 continents, including North AmericaEurope.

What is Foulston Siefkin LLP's phone number?

You can contact Foulston Siefkin LLP's main corporate office by phone at

+1-316-267-****

. 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?

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

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

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?

As of October 2025, Foulston Siefkin LLP has approximately 186 employees across 2 continents, including North AmericaEurope. Key team members include Chief Marketing Officer: T. J. A.Chief Administrative Officer (cao): C. H.Partner: J. E.. Explore Foulston Siefkin LLP's employee directory with LeadIQ.

What industry does Foulston Siefkin LLP belong to?

Foulston Siefkin LLP operates in the Law Practice industry.

What technology does Foulston Siefkin LLP use?

Foulston Siefkin LLP's tech stack includes BootstrapCDNAmazon Simple Email ServiceGoogle Fonts APIJSON-LDOWL CarouselModernizrPHPHSTS.

What is Foulston Siefkin LLP's email format?

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?

Foulston Siefkin LLP was founded in 1919.

Foulston Siefkin LLP

Law PracticeUnited States51-200 Employees

As the largest law firm based in Kansas, with offices in Topeka, Kansas City, and Wichita, Foulston Siefkin LLP provides legal services to a broad range of clients — from large national and international corporations to small businesses to individuals. Foulston’s lawyers are consistently recognized as among the leading lawyers in the United States. For more than one hundred years, Foulston’s lawyers have provided counsel in a wide range of practice areas, including civil and complex litigation, tax, business matters, employment and labor, and healthcare. For more information, visit www.foulston.com.

Our offices:

1551 N. Waterfront Parkway, Suite 100
Wichita, KS 67206-4466
316.267.6371 

7500 College Boulevard, Suite 1400
Overland Park, KS 66210-4041
913.498.2100

822 S. Kansas Avenue, Suite 200
Topeka, KS 66612-1203
785.233.3600

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