Firm History

Armstrong Teasdale has a rich history with more than 115 years of experience counseling clients through their most complex legal challenges. Over the past century, the firm has grown tremendously and now boasts more than 560 attorneys and staff members in offices across the country.

1901

Business lawyers Thomas Harper Cobbs (pictured) and John E. Bishop form a law partnership, Bishop and Cobbs, in St. Louis on January 1, 1901.

1920s-1930s

New partners are added regularly in the early years. In 1927, William Armstrong joins as an associate. He becomes a partner in 1931 and Armstrong is added to the firm name in 1939.

1948

Kenneth Teasdale, a good friend of William Armstrong and well-known St. Louis-based trial lawyer, joins the firm and in 1949 Teasdale is added to the firm name.

1950

William H. Webster joins the firm. After leaving in 1970, he goes on to serve as a judge for the U.S. District Court for the Eastern District of Missouri, the U.S. Court of Appeals for the Eighth Circuit, and is to date the only person to have served as director of both the FBI and the CIA.

1964

Kenneth Teasdale’s son, Kenneth S.F. Teasdale, joins the firm after a distinguished career in Washington, D.C. with the U.S. Department of Justice.

1986

The firm reorganizes, creating the positions of Managing Partner and Chairman, and Executive and Compensation committees. Thomas Remington (pictured) is designated the first chairman and Kenneth S. F. Teasdale as managing partner of the firm.

1987-1988

The firm merges with the St. Louis firm Schlafly, Griesedieck, Toft & Virtel, becoming Armstrong, Teasdale, Kramer, Vaughan & Schlafly. The firm grows to 83 lawyers. By end of the following year, Armstrong Teasdale is the third-largest law firm in the St. Louis area based on the number of attorneys.

1989

The firm becomes the first law firm tenant of the Metropolitan Square building in downtown St. Louis, which was built on the same site as the firm’s first office in 1901.

1989

The firm merges with Kansas City firm Dietrich, Davis, Dicus, Rowlands, Schmitt & Gorman, with the new firm name being Armstrong, Teasdale, Schlafly, Davis & Dicus.

1993

Edwin Noel (pictured) is elected managing partner. Kenneth S.F. Teasdale is elected chairman.

1998

The Jefferson City, Missouri, office opens.

1998

The firm’s Professional Advancement of Women program is established; today called the Women’s Inclusion Network. The program is one of the first of its type at a private firm in the St. Louis region.

1998

Richard Scherrer is elected managing partner.

2004

The firm establishes the Michael C. Tramble Memorial Scholarship Fund at the University of Missouri School of Law, in memory of a promising young African-American associate at the firm who tragically lost his life.

2005

Las Vegas office opens.

2007

Michael Chivell is elected managing partner.

2010

The St. Louis office moves into new, state-of-the-art space in Centene Plaza, a LEED-certified Gold building located in the business suburb of Clayton, Missouri. Centene Corporation is a client of the firm.

2010

The firm is named to the Am Law 200, a list of the 200 largest law firms in the U.S. as ranked by The American Lawyer magazine.

2014

Denver office opens, with the acquisition of Denver-based Steese Evans & Frankel P.C.

2016

John Beulick (pictured) is elected to the role of managing partner. After almost a decade as managing partner, Michael Chivell is elected chairman.

2018

Armstrong Teasdale expands to the East Coast with the opening of its Philadelphia office.

2019

David Braswell is elected managing partner of the firm.

2019

New York office opens with one of the largest real estate practices focusing on cooperative/condominium law in the city. Since 2019, the office has grown to include prominent attorneys in the corporate, white-collar criminal defense, commercial finance and bankruptcy, and intellectual property areas, among others.

2020

Offices open in Boston, Salt Lake City (pictured), and Edwardsville, Illinois.

2020

The firm boasts more than 560 attorneys and staff members across 11 offices in the U.S.

Contact Us
  • Worldwide
  • Boston, MA
  • Denver, CO
  • Edwardsville, IL
  • Jefferson City, MO
  • Kansas City, MO
  • Las Vegas, NV
  • New York, NY
  • Philadelphia, PA
  • Princeton, NJ
  • Salt Lake City, UT
  • St. Louis, MO
Worldwide
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Boston, MA
225 Franklin Street
26th Floor
Boston, MA 02110
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Boston, Massachusetts
Denver, CO
4643 S. Ulster St.
Suite 800
Denver, CO 80237
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Denver, Colorado
Edwardsville, IL
115 N. Second St.
Edwardsville, IL 62025
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Edwardsville, Illinois
Jefferson City, MO
3405 W. Truman Boulevard
Suite 210
Jefferson City, MO 65109
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Jefferson City, Missouri
Kansas City, MO
2345 Grand Blvd.
Suite 1500
Kansas City, MO 64108
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Kansas City, Missouri
Las Vegas, NV
3770 Howard Hughes Parkway
Suite 200
Las Vegas, NV 89169
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Las Vegas, Nevada
New York, NY
919 Third Ave., 37th Floor
New York, NY 10022
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New York City
Philadelphia, PA
2005 Market Street
29th Floor, One Commerce Square
Philadelphia, PA 19103
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Philadelphia, Pennsylvania
Princeton, NJ
100 Overlook Center
Second Floor
Princeton, NJ 08540
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Princeton, New Jersey
Salt Lake City, UT
257 East 200 South
Suite 350
Salt Lake City, UT 84111
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Salt Lake City, Utah
St. Louis, MO
7700 Forsyth Blvd.
Suite 1800
St. Louis, MO 63105
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St. Louis, Missouri