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Dallas Criminal Law Firm

Don't Let One Mistake Cost You Everything

We understand this can be a stressful time. That’s why we’ve waived our consultation fee—for a limited time—to help you explore your options at no cost.

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Experienced. Honest. Dedicated.

I’m attorney Mark A. Perez, and with over 35 years of experience in immigration and criminal defense, I know how to protect your rights and get results. At the Law Office of Mark A. Perez, every case is handled with precision, urgency, and a hands-on approach that ensures no detail is missed.

Whether you’re facing a misdemeanor, felony, or immigration issue, my team and I prepare each case as if it’s going to trial—strategically and aggressively. We’re here to guide you through tough legal challenges with the experience and dedication you deserve.

I Am Here to Defend You Against Any Charge

I am ready to apply the comprehensive knowledge I have honed in over 35 years of criminal defense practice to help you arrive at an ideal resolution. As a Dallas criminal defense attorney, I have helped countless clients defend against a wide variety of criminal charges. Contact my law office today if you are accused of any of the following:

Drug crimes, including serious drug charges such as manufacturing, delivery and possession with intent or federal drug conspiracies.
Sex crimes, including Internet sex crimes and sex crimes involving children.
White collar crimes such as mortgage, bank and wire fraud, or health care fraud.
Violent crimes such as assault and aggravated assault.
Theft from small-scale shoplifting to large-scale embezzlement
DUI/DWI, including repeat offenses

I also help individuals facing probation revocation, and I provide representation at parole hearings. If you are struggling to put your past behind you and get a clean start, we can discuss whether you qualify for an expungement or can file a petition for nondisclosure.

My Approach to Criminal Defense

As a criminal defense attorney, it is always my goal to analyze the case and explain how the process will work, from arrest to jury trial or negotiation. I always make it a point to empower clients to make an informed and comfortable decision based on the available facts at hand.

I understand the gravity of these situations if you have been charged. I strongly encourage you to reach out as soon as possible to begin protecting your rights.

Many of my clients who are facing criminal charges also have immigration concerns. Individuals with a green card or work visa may find their status in jeopardy after being charged with a criminal offense. I know how to help.

I have also helped many other individuals in the Dallas/Fort Worth areas with their immigration issues. Whether you need help with a work visa or adjustment of status, or assistance bringing your family to this country, I can help.

Free Consultation

Get real answers to your criminal case from an attorney with over 30 years of experience. Book your free consultation today.

Your Future is on the line. you deserve a lawyer who gets that.

When you’re facing criminal charges, honesty and clarity aren’t optional—they’re essential. My clients trust me because I tell them the truth, not what they want to hear. I don’t make promises I can’t keep, and I don’t waste time. I focus on protecting your rights and getting results.

If your freedom, reputation, or livelihood is at stake, you need someone who knows how to fight smart and fight hard. That’s what I do.

I offer a free consultation so you know exactly what to expect and how I can help. Call my Dallas office at (214) 752-0505 or use the contact form below to get started. Don’t wait.

What Our Clients Are Saying

Mark A. Perez, Attorney at Law

Based on 97 reviews

Norma Morales

Mark Perez has been a remarkable and professional attorney the staff was very respected and responsive all the time.

Response from the owner:It was a pleasure to work with you, Norma! Knowing that Mark and our team made a positive impact on your experience means a lot to us. We value the trust you placed in us and are glad we could be there to support you every step of the way!

Danae Aguilar

The best lawyer there is. My boyfriend has been fighting a federal case for 4 years now and we were preparing for the worst. Not only was Mark great we were all so shocked as to how great he was at fighting his cases. Instead of serving time he was able to get probation not expecting that at all. So thank you Mark for everything!

Response from the owner:Danae, thank you for sharing your experience! We know how stressful your situation was and it means a lot to hear that Mark’s work made such a difference. We appreciate your kind words and are grateful that we could help you both reach such a positive outcome!

Justice Michelle

The absolute best. I got a fast response, even after hours. I was struggling with a bond payment and the assistant Adrianna was an absolute angel! I would definitely recommend them over and over. Patient, and kind and understanding of the circumstances.

Claudia Romero

Adrian Dunn, helped me through a case I dreamed of. 10000/10 so happy we chose the right lawyer & staff to help my family and I!
Will definitely recommend!

Brenda Tavares

Everything was perfect i always felt comfortable and understood everything step by step with the help of Adrian. She is exceptional, friendly and professional.

Valeria Jasso

Agradecidos como parte mía y de mi esposo por todo la ayuda que nos han brindado y muy profesionales tanto la abogada Adrian Dunn como el abogado Mark E Pérez , no tenemos ninguna queja al contrario han estado ahí para cualquier pregunta o duda como abogados son muy profesionales y como personas son muy amables, personas en las que se puede confiar para cualquier caso.!! 🙏🏻

Karen Schoen

I've had an exceptional experience with this law firm, thanks to the incredible guidance and support from Gabriela Narvaez. She is truly phenomenal—extremely knowledgeable, experienced, and detail-oriented. But what has impressed me most is her deep sense of humanity and empathy.

Gabriela has consistently gone above and beyond, putting herself in our shoes and providing clear, thorough information about the legal processes we’re navigating. She’s always available, kind, and approachable, which makes such a difference during stressful times. On one occasion, the lawyer called us on a weekend just to address our concerns.

If you're looking for a law firm that combines professionalism with genuine care, I highly recommend their services. Gabriela is a rare gem.

Serafin Cabello

Our family reaced out to Mark Perez for obtaining a greencard for my mom. We were treated very well thoughout the process. We were añways kept current on every step of the process. They were very profesional and the whole process took about 5 1/2 months which was the best part. I highly recommend their services to anyone looking for a great immigration lawyer.

Caesar

Mark and his staff help me with my case before the holidays they did an amazing job thank you guys

Jacky Ortega

Los recomiendo, estuvieron conmigo durante todo el proceso. Me ayudaron a conseguir mi ciudadanía. Siempre estuvieron dispuestos a responder todas mis preguntas y dudas. Muchísimas Gracias !!!

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Get real answers to your immigration case from an attorney with over 30 years of experience. Book your free consultation today.

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