Atty. Mark L. Heleen

Atty. Mark L. Heleen

Mark L. Heleen is a lawyer practicing securities & investment fraud, corporate & incorporation, mergers & acquisitions and 3 other areas of law.

Vienna Vienna 38 yrs experience 38 year
Call (703) 202-7157 Book Appointment

Profile Summary

About Mark L. Heleen at a glance

Mark L. Heleen is a formation, tax, m&a, securities, and consumer attorney based in Vienna, Virginia. They have 38+ years of legal experience, licensed to practice since 1988. Admitted to practice in Pennsylvania (1988), Virginia (2004), and Delaware (2015). Educated at University of Pittsburgh School of Law (J.D., 1988) and Bucknell University (B.A., 1984). Serands clients in Vienna, VA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark L. Heleen is a lawyer practicing securities & investment fraud, corporate & incorporation, mergers & acquisitions and 3 other areas of law
  • Mark received a B.A. degree from Bucknell University in 1984, and has been licensed for 38 years
  • Mark practices in Vienna, VA

Practice Areas Explained

Mark L. Heleen's Areas of Practice

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

Business Formation

Mark L. Heleen is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in Virginia →

Tax Law

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

Mark L. Heleen is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Virginia →

Mergers & Acquisitions

Mark L. Heleen is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Virginia →

Securities Law

Mark L. Heleen is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in Virginia →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

Mark L. Heleen is one of 50,607 consumer attorneys indexed nationally. Browse consumer attorneys in Virginia →

Jurisdictional Context

Why local counsel matters in Virginia

Practicing law in Virginia. Legal matters in Virginia are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Vienna are typically filed in the local municipal court or the appropriate Virginia state district court, depending on subject matter and amount in controversy. An attorney licensed in Virginia 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 Virginia courts without local counsel or pro hac vice admission.

Looking for additional Virginia attorneys? Browse all attorneys in Vienna or all attorneys in Virginia.

Frequently Asked

Common questions about Mark L. Heleen

Where is Mark L. Heleen's law office located?
Mark L. Heleen's law practice is located in Vienna, Virginia. You can contact the office directly through this profile page.
What practice areas does Mark L. Heleen handle?
Mark L. Heleen focuses on formation, tax, m&a, securities, consumer. Each practice area listed reflects experience handling cases of that type in Virginia.
How long has Mark L. Heleen practiced law?
Mark L. Heleen has 38+ years of legal experience and has been licensed since 1988.
Where did Mark L. Heleen go to law school?
Mark L. Heleen earned their education at (J.D., 1988); (B.A., 1984).
How can I contact Mark L. Heleen for a consultation?
You can contact Mark L. Heleen 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 Pittsburgh School of Law
- 1988
B.A.
Bucknell University
- 1984

Bar Admissions

Pennsylvania
Admitted: 1988
Virginia
Admitted: 2004
Delaware
Admitted: 2015

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