Nii Amaa Ollennu

Attorney Profile

Top Rated Criminal Defense Attorney in McKinney, TX

Nii Amaa Ollennu Law Firm, PLLC
 | 6401 Eldorado Pkwy, #317
McKinney, TX 75070
Phone: 469-620-0494
Fax: 469-620-0258
Selected To Rising Stars: 2021
Licensed Since: 2015
Practice Areas:
  • Criminal Defense (70%),
  • Criminal Defense: DUI/DWI (30%)
  • Free Consultation
Attorney Profile

A former public defender, Nii Amaa Ollennu founded the Nii Amaa Ollennu Law Firm, PLLC, to provide high quality legal representation to those who have been accused of committing a crime in McKinney, Texas, or anywhere in Collin County. With a focus on drug charges and DUI, he was selected by for inclusion into the list of Best DUI Lawyers in Plano, Texas in 2016 and 2017, and by the American Institute of Criminal Law Attorneys into the list of 10 Best Attorneys in Texas for Client Satisfaction in 2017.

Mr. Ollennu is admitted to practice in the state of Texas, and before the United States Court of Appeals for the 5th Circuit, the United States District Court for the Northern District of Texas and the United States District Court for the Eastern District of Texas. In 2020, he was named a Texas Opportunity & Justice Incubator.

After graduating from the University of Texas at El Paso with a Bachelor of Arts, he attended St. Mary’s University where he earned his Master of Public Administration. Mr. Ollennu then moved on to law school at the University of Idaho College of Law, where he received his Juris Doctor and was given the Outstanding Student Service Award.

While in law school, he was President of the University of Idaho College of Law Student Bar Association. Mr. Ollennu is a member of the Texas Bar College, the National College of DUI Defense, the DUI Defense Lawyers Association, the Collin County Bar Association and the Collin County Criminal Defense Lawyer’s Association. He is also the Former Lieutenant Governor of Membership and Communication for the 12th Circuit of the American Bar Association Law School Division.

Practice Areas
  • 70%Criminal Defense
  • 30%Criminal Defense: DUI/DWI
Focus Areas

Arrest & Arraignment, Criminal Fraud, Criminal Law, Drug & Alcohol Violations, Expungement, False Accusations, Felony, Misdemeanor, Motor Vehicle Offenses, Probation, DUI/DWI


top-imageSelected to Rising Stars for 1 years

Rising Stars: 2021

Email Me

To: Nii Amaa Ollennu
Super Lawyers: Potential Client Inquiry


The information contained in this web site is intended to convey general information. It should not be construed as legal advice or opinion. It is not an offer to represent you, nor is it intended to create an attorney-client relationship. The use of the internet or this contact form for communication is not necessarily a secure environment. Contacting a lawyer or law firm email through this service will not create an attorney-client relationship, and information will not necessarily be treated as privileged or confidential.

About Nii Ollennu

Admitted: 2015, Texas

Professional Webpage:


  • The Texas Bar College is an honorary society of lawyers who are among the best-trained attorneys in Texas. Members are qualified attorneys who are interested in both high ethical standards and improved training for all Texas attorneys. The College recognizes Texas lawyers who attend at least double the Continuing Legal Education (CLE) required by the State Bar of Texas., Member (since 2016), State Bar of Texas - Texas Bar College, 2020

Bar/Professional Activity:

  • United States Court of Appeals - 5th Circuit, 2017
  • United States District Court - Northern District of Texas , 2017
  • United States District Court - Eastern District of Texas , 2016
  • State Bar of Texas, 2015

Other Outstanding Achievements:

  • Texas Opportunity & Justice Incubator, 2020

Educational Background:

  • University of Idaho College of Law, J.D., 2015
  • TCDLA - Texas Criminal Trial College Participate, 2017
  • DUI Detection & NHTSA SFST Practitioner Course, 2016
  • St. Mary's University, San Antonio, Texas, M.P.A., 2012
Find Me Online
Show More
Office Location for Nii Amaa Ollennu

6401 Eldorado Pkwy
McKinney, TX 75070

Phone: 469-620-0494

Fax: 469-620-0258

Nii Amaa Ollennu:

Last Updated: 11/17/2020

Page Generated: 0.2646918296814 sec