What departments does Armstrong Teasdale have?

Armstrong Teasdale has employees across 7 departments including Finance, Legal, Entrepreneurship, Marketing, Healthcare Services.

What is the largest department at Armstrong Teasdale?

The largest department at Armstrong Teasdale is Legal with 5 employees.

Where are Armstrong Teasdale employees located globally?

Armstrong Teasdale has employees across 3 continents and 5 countries including India, China, United Kingdom Of Great Britain And Northern Ireland, Ireland, United States Of America.

How has Armstrong Teasdale's team size changed over time?

Armstrong Teasdale's team has decreased from approximately 1K to 521 employees based on available data.

Learn more at LeadIQ.com

Armstrong Teasdale Employee Directory

Law PracticeMissouri, United States501-1000 Employees

Armstrong Teasdale LLP is a law practice headquartered in St. Louis, Missouri, serving clients around the globe. Founded in 1901, the firm has grown to be one of the 200 largest law firms in the United States. With a 125-year history, it has developed long-term relationships with a diverse client base.

The firm operates within the law practice industry and serves both large and small clients across a broad range of matters. In January 2025, Armstrong Teasdale was recognized with an Equality 100 award in the Human Rights Campaign Foundation's Corporate Equality Index.

Armstrong Teasdale Global Highlights

North America
791

United States Of America
791

Europe
9

United Kingdom Of Great Britain And Northern Ireland
8
Ireland
1

Asia
3

China
2
India
1

Armstrong Teasdale's Leadership

A. D. S.
Chief Financial Officer - Cpa
Mobile Phone
Email
C. D.
Chief Growth Officer
Mobile Phone
Email
M. G.
Partner
Mobile Phone
Email
J. E. T.
Partner
Mobile Phone
Email
C. G.
Partner
Mobile Phone
Email
A. T.
Partner
Mobile Phone
Email
B. J.
Real Estate Attorney Partner
Mobile Phone
Email
B. P.
Owner
Mobile Phone
Email

Armstrong Teasdale Employee Metrics

100%

50%

2026

2025

Legal
Administrative
Human Resources
Finance
Support
Other
Accounting
Community & Social Services
Information Technology

Contact profiles from Armstrong Teasdale

Name

Title

Contact Info

Location

Last Update

M. G.
Partner
Mobile Phone
Email
Jul 16, 2026
J. E. T.
Partner
Mobile Phone
Email
Jun 19, 2026
C. G.
Partner
Mobile Phone
Email
Jun 01, 2026
A. D. S.
Chief Financial Officer - Cpa
Mobile Phone
Email
Oct 17, 2024
A. T.
Partner
Mobile Phone
Email
Oct 21, 2024
B. J.
Real Estate Attorney Partner
Mobile Phone
Email
Oct 17, 2024
B. P.
Owner
Mobile Phone
Email
Oct 23, 2024
B. W.
Partner
Mobile Phone
Email
Jul 01, 2024
B. R.
Owner
Mobile Phone
Email
Oct 22, 2024
C. B.
Partner
Mobile Phone
Email
Apr 25, 2025

Frequently Asked Questions

What is Armstrong Teasdale known for?

Armstrong Teasdale was founded in 1901 operates in the Law Practice industry; you can contact the main corporate office by phone at

+1-314-621-****

. Explore Armstrong Teasdale's company overview page for more information.

What is Armstrong Teasdale's most common email format?

Armstrong Teasdale employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Armstrong Teasdale email formats with LeadIQ.

How many employees does Armstrong Teasdale have currently?

Armstrong Teasdale has approximately 609 employees as of July 2026. These team members are located across 3 continents, including North AmericaEuropeAsia.

Who are Armstrong Teasdale's key employees and leadership?

As of July 2026, Armstrong Teasdale's key employees include:

Chief Financial Officer - Cpa: A. D. S.
Chief Growth Officer: C. D.
Partner: M. G.
Partner: J. E. T.
Partner: C. G.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

Armstrong Teasdale Employee Directory

Find Armstrong Teasdale employees' phone numbers or email addresses

Name search is limited — try advanced search instead