Atty. Mark A. Costa

Atty. Mark A. Costa

Mark A. Costa focuses his practice on a variety of general corporate and commercial legal matters, including business entity formation, business organization and structure, business operations, commercial contracts, real estate transactions, mergers and acquisitions, joint ventures, tax planning, secured and unsecured financing, and corporate finance matters.

Chicago Chicago 44 J. Erfahrung 44 year
Call (412) 397-7278 Email Book Appointment

Profile Summary

About Mark A. Costa at a glance

Mark A. Costa is a Partner based in Chicago, Illinois, practforg at Leech Tishman. They have 44+ years of legal experience, licensed to practice since 1982. Their practice focuses on business and tax. Admitted to practice in Illinois (1982) and Wisconsin (1990). Educated at University of Illinois (J.D., 1982) and Georgetown University (B.S., 1979). Active member of Illinois State Bar Association State Bar of Wisconsin. Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • Mark A. Costa focuses his practice on a variety of general corporate and commercial legal matters, including business entity formation, business organization and structure, business operations, commercial contracts, real estate transactions, mergers and acquisitions, joint ventures, tax planning, secured and unsecured financing, and corporate finance matters
  • Mark also provides outside general counsel services to middle-market clients in both day-to-day legal matters and strategic transactions
  • He provides counsel on a full range of complex business issues
  • Mark has extensive experience advising domestic and international business entities, financial institutions, and individuals regarding complex corporate transactions, focusing on strategies that minimize tax obligations

Practice Areas Explained

Mark A. Costa's Areas of Practice

Each practice area below reflects the types of cases Mark A. Costa handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark A. Costa is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Mark A. Costa is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

Practforg law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Mark A. Costa

Where is Mark A. Costa's law office located?
Mark A. Costa's law practice is located in Chicago, Illinois. The firm is Leech Tishman. You can contact the office directly through this profile page.
What practice areas does Mark A. Costa handle?
Mark A. Costa focuses on business, tax. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Mark A. Costa practiced law?
Mark A. Costa has 44+ years of legal experience and has been licensed since 1982.
Where did Mark A. Costa go to law school?
Mark A. Costa earned their education at (J.D., 1982); (B.S., 1979).
How can I contact Mark A. Costa for a consultation?
You can contact Mark A. Costa directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
University of Illinois
- 1982
B.S.
Georgetown University
- 1979

Bar Admissions

Illinois
Admitted: 1982
Wisconsin
Admitted: 1990

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