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Armstrong Teasdale Employee Directory

Law PracticeMissouri, United States501-1000 Employees

Armstrong Teasdale has about 603 employees across 2 continents, most of them in North America. Legal and Community & Social Services make up over half of the profiles with a known department. Armstrong Teasdale's workforce spans 15 departments. Armstrong Teasdale's workforce fell 16% between July 2025 and July 2026.

Find Armstrong Teasdale employees' phone numbers or email addresses

Armstrong Teasdale Global Highlights

Location
Employees

North America
849

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  • United States Of America
    849

Europe
9

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  • United Kingdom Of Great Britain And Northern Ireland
    8
  • Ireland
    1

Asia
3

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  • China
    2
  • India
    1

Africa
1

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  • Eritrea
    1

North America accounts for 98% of Armstrong Teasdale's workforce, followed by Europe (1%).

Armstrong Teasdale's Leadership

  • Chief Financial Officer - Cpa at Armstrong Teasdale
    A. D. S.
    Chief Financial Officer - Cpa
    Mobile Phone
  • Chief Growth Officer at Armstrong Teasdale
    C. D.
    Chief Growth Officer
    Mobile Phone
  • Partner at Armstrong Teasdale
    J. E. T.
    Partner
    Mobile Phone
  • Partner at Armstrong Teasdale
    C. G.
    Partner
    Mobile Phone
  • Partner at Armstrong Teasdale
    A. T.
    Partner
    Mobile Phone
  • Owner at Armstrong Teasdale
    B. P.
    Owner
    Mobile Phone
  • Partner at Armstrong Teasdale
    B. W.
    Partner
    Mobile Phone
  • Owner at Armstrong Teasdale
    B. R.
    Owner
    Mobile Phone

Armstrong Teasdale Employee Metrics

100%
50%
0%
2026
2025
  • Legal
  • Administrative
  • Human Resources
  • Finance
  • Support
  • Other
  • Accounting
  • Community & Social Services
  • Information Technology

Legal is the largest department at 84% of profiles with a known department, up from 57% in July 2025, followed by Community & Social Services (4%, up from 0%) and Accounting (3%, unchanged).

Contact profiles from Armstrong Teasdale

Name
Title
Contact
Location
Last Update
  • Partner at Armstrong Teasdale
    J. E. T.
    Partner
    Mobile Phone
    Sep 05, 2026
  • Partner at Armstrong Teasdale
    C. G.
    Partner
    Mobile Phone
    Jun 01, 2026
  • Chief Financial Officer - Cpa at Armstrong Teasdale
    A. D. S.
    Chief Financial Officer - Cpa
    Mobile Phone
    Oct 17, 2024
  • Partner at Armstrong Teasdale
    A. T.
    Partner
    Mobile Phone
    Oct 21, 2024
  • Owner at Armstrong Teasdale
    B. P.
    Owner
    Mobile Phone
    Oct 23, 2024
  • Partner at Armstrong Teasdale
    B. W.
    Partner
    Mobile Phone
    Jul 01, 2024
  • Owner at Armstrong Teasdale
    B. R.
    Owner
    Mobile Phone
    Oct 22, 2024
  • Partner at Armstrong Teasdale
    C. B.
    Partner
    Mobile Phone
    Apr 25, 2025
  • Partner at Armstrong Teasdale
    C. O.
    Partner
    Mobile Phone
    Oct 18, 2024
  • Chief Growth Officer at Armstrong Teasdale
    C. D.
    Chief Growth Officer
    Mobile Phone
    Oct 16, 2024

Frequently Asked Questions

What are the largest departments at Armstrong Teasdale?

Minus sign iconPlus sign iconLegal is the largest department at 84% of profiles with a known department, up from 57% in July 2025, followed by Community & Social Services (4%, up from 0%) and Accounting (3%, unchanged). Armstrong Teasdale's workforce spans 15 departments.

Where are Armstrong Teasdale's employees located?

Minus sign iconPlus sign iconArmstrong Teasdale has about 603 employees across 2 continents, most of them in North America. North America accounts for 98% of Armstrong Teasdale's workforce, followed by Europe (1%).

How has Armstrong Teasdale's workforce changed over the past year?

Minus sign iconPlus sign iconArmstrong Teasdale's workforce fell 16% between July 2025 and July 2026. Legal's share of profiles with a known department rose from 57% to 84%.

How many employees does Armstrong Teasdale have currently?

Minus sign iconPlus sign iconArmstrong Teasdale has approximately 603 employees as of October 2026. These team members are located across 4 continents, including North America, Europe and Asia.

Who are Armstrong Teasdale's key employees and leadership?

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

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

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

What is Armstrong Teasdale's most common email format?

Minus sign iconPlus sign iconArmstrong Teasdale employees' email format typically follows the pattern of FLast@atllp.com. Trying to find reliable and up-to-date employee contact data? Find more Armstrong Teasdale email formats with LeadIQ.

What is Armstrong Teasdale known for?

Minus sign iconPlus sign iconArmstrong Teasdale was founded in 1901 and operates in the Law Practice industry. You can contact Armstrong Teasdale's main corporate office by phone at
+1-314-621-****
. Explore Armstrong Teasdale's company overview page for more information.

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