Margaret O. Costello

Margaret O. Costello

recognized lawyers icon Recognized in Ones to Watch since 2023
Awarded Practice Areas
Corporate Law Mergers and Acquisitions Law
Margaret O. Costello
Margaret O. Costello
Atlanta, GA
Works at
Arnall Golden Gregory LLP

81 Best Lawyers awards

Arnall Golden Gregory LLP logo

Biography

Margaret O. Costello is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Mergers and Acquisitions Law.

Margaret O., who practices law in Atlanta, Georgia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret O. is held by other top lawyers in the same geographic and legal practice area.

Works at
Arnall Golden Gregory LLP

81 Best Lawyers awards

Arnall Golden Gregory LLP logo

Locations

Education

  • Tulane University, J.D., graduated 2020

Client Testimonials

Awards & Focus

Recognized in Best Lawyers: Ones to Watch® in America 2026 for work in:
  • Corporate Law
  • Mergers and Acquisitions Law

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