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.
Banking & More Attorney · Serving Chicago, IL · 44+ Years Experience
Profile Summary
About Mark A. Costa at a Glance
Mark A. Costa is a Partner based in Chicago, Illinois, practicing 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. Serves clients in Chicago, IL and the surrounding metropolitan area.
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About 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
- 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 Legal Practice
Each practice area below reflects the types of cases Mark A. Costa handles, with a practical overview of what that area of law involves and how it may apply to your situation in Chicago.
Business & Corporate Law in Chicago
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Mark A. Costa is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Illinois →
Tax Law in Chicago
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
Mark A. Costa is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Illinois →
Jurisdictional Context
Why Local Counsel Matters in Chicago
Practicing 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 venue, 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.
Chicago Courts and Legal Process
Choosing a Chicago-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.
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Professional Profile
Why Clients in Chicago Choose Mark A. Costa
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark A. Costa's practice in the field of business and tax.
Decade-Tested Legal Experience
Mark A. Costa brings 44+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Illinois and Wisconsin, Mark A. Costa can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering business and tax, Mark A. Costa can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Chicago
A Chicago-based practice means Mark A. Costa attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Mark A. Costa Handles in Chicago
Below is a representative sample of the types of matters Mark A. Costa has experience with under Illinois law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Mark A. Costa directly to discuss the specifics of your situation.
Search Reference
How People Find Mark A. Costa Online
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Mark A. Costa's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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