About Our Firm

Archer & Lassa, L.L.C., situated in St. Louis County, Missouri, focuses exclusively on defending Missouri Workers’ Compensation cases. Our law firm is dedicated to defending employers and insurance companies in these matters. With over 25 years of experience, Archer & Lassa, L.L.C. possesses a deep understanding and skillset in advocating for our clients.

Our lawyers work tirelessly to protect our clients’ interests throughout the entirety of the Workers’ Compensation case. Our legal team has represented a diverse array of employers and insurers, such as:


  • Alberici Construction
  • Builder’s Block Construction
  • City of Kirkwood, MO
  • City of O’Fallon, MO
  • Express Scripts
  • Four Seasons
  • McBride and Sons
  • Mercy Health
  • Monarch Fire Protection District
  • Pinnacle Entertainment
  • Sachs Electric
  • St. Louis Metropolitan Sewer District
  • Tropicana Entertainment
  • Witte Brothers Exchange


  • Applied Underwriters
  • Brentwood Services
  • Cannon Cochran Management Services
  • Cottingham & Butler
  • Gallagher Bassett
  • PMA Group
  • Sedgwick CMS


  • Acuity
  • Amerisure
  • Auto-Owners 
  • Bitco
  • Missouri Employers’ Mutual
  • Safety National
  • Secura 
  • Sentry 
  • Travelers
  • Zurich North American

Contact Archer & Lassa


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