Atty. Mark H. Onak

Atty. Mark H. Onak

Mr. Mark H.

Houston Houston 49 yrs experience 49 year
Call (346) 299-7429 Book Appointment

Profile Summary

About Mark H. Onak at a glance

Mark H. Onak is a contracts, immigration, business, and government attorney based in Houston, Texas. They have 49+ years of legal experience, licensed to practice since 1977. Admitted to practice in Texas (1977). Educated at University of Texas at Austin (J.D., 1977) and Rice University B.A. (—). Serands clients in Houston, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Mark H. Onak is a lawyer practicing business, commercial, contracts and 3 other areas of law
  • Mark received a B.A. degree from Rice University, and has been licensed for 49 years
  • Mark practices in Houston, TX

Practice Areas Explained

Mark H. Onak's Areas of Practice

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

Contracts

Mark H. Onak is one of 76,762 contracts attorneys indexed nationally. Browse contracts attorneys in Texas →

Immigration Law

Immigration attorneys help with green cards, visas, citizenship, asylum, and deportation defense. Find a verified immigration lawyer for your case.

Mark H. Onak is one of 40,633 immigration attorneys indexed nationally. Browse immigration attorneys in Texas →

Business & Corporate Law

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

Mark H. Onak is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Texas →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Mark H. Onak is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

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

Looking for additional Texas attorneys? Browse all attorneys in Houston or all attorneys in Texas.

Frequently Asked

Common questions about Mark H. Onak

Where is Mark H. Onak's law office located?
Mark H. Onak's law practice is located in Houston, Texas. You can contact the office directly through this profile page.
What practice areas does Mark H. Onak handle?
Mark H. Onak focuses on contracts, immigration, business, government. Each practice area listed reflects experience handling cases of that type in Texas.
How long has Mark H. Onak practiced law?
Mark H. Onak has 49+ years of legal experience and has been licensed since 1977.
Where did Mark H. Onak go to law school?
Mark H. Onak earned their education at (J.D., 1977); (—).
How can I contact Mark H. Onak for a consultation?
You can contact Mark H. Onak 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 Texas at Austin
- 1977
Rice University B.A.
- In Progress

Bar Admissions

Texas
Admitted: 1977

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