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    • Peter O’Mara
    • Sean O’Callaghan
    • Trevor Orsinger
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Request a Consultation1 (312) 600-5588
Litigation
Business Counseling
Financial Services
Litigation & Arbitration
Employment Matters
White Collar Defense

Our Edge


24

Combined Years as Prosecutors

50+

Combined Jury Trials

500+

Combined Trials

NEWS ● INSIGHTS ● ACCOLADES

Recent Posts

  • OGO proud to announce Sean O’Callaghan named to Chicago Lawyer Magazine’s Prestigious “40 Under 40” list November 1, 2017
  • OGO announces the addition of Trevor Orsinger who joins the firm from the CME’s Market Regulation Department October 1, 2017
  • OGO’s unique approach profiled in Chicago Daily Law Bulletin April 5, 2017
O'Mara O'Callaghan, Attorneys at Law

location_on Address

230 W Monroe, Suite 2620
Chicago, IL 60606

phone Phone

1 (312) 600-5588

email Email

info@o2lawyers.com
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O'Mara O'Callaghan, Attorneys at Law
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