Ahmad, Zavitsanos & Mensing Logo

Ahmad, Zavitsanos & Mensing

Houston, Texas
THE BEST LAWYERS IN AMERICA® AWARDS:: 13 BEST LAWYERS: ONES TO WATCH® IN AMERICA AWARDS:: 13 BEST LAW FIRMS® AWARDS:: 11
26 Attorneys

About Ahmad, Zavitsanos & Mensing

Office Locations

Houston, TX Headquarters

1221 McKinney Street, Suite 2500, Houston, TX 77010

713-655-1101

Get Directions

Leadership Team

Sandy Howell

Office Administrator

View Profile

John Zavitsanos

Managing Partner

View Profile

Awards & Recognition

Featured Awards

THE BEST LAWYERS IN AMERICA® AWARDS: 13

BEST LAWYERS: ONES TO WATCH® IN AMERICA AWARDS: 13

BEST LAW FIRMS® AWARDS: 11

All Awards

  • AZA named among nation's "Most Feared" law firms
  • Benchmark Litigation - Firm and three lawyers rated
  • AZA listed by Law360 among 10 boutiques “Giving BigLaw a Run for its Money”
  • BTI Client Service A-Team 2012 to firm AZA
  • 3 of Texas Top 2011 Verdicts on Both Sides of the Bar - Texas Lawyer
  • Who's Who in Energy named 3 AZA Lawyers - Listed by 7 city business journals
  • Texas Super Lawyers - up to 7 to 13 lawyer on Rising Stars list for Texas
  • Texas Super Lawyers - 3 AZA Lawyers Top 100 Texas, 4 AZA Lawyers Top 100 Houston
  • U.S. News/Best Law Firms- AZA Tier 1 in Commercial Litigation
  • U.S. News/Best Lawyers in America - 9 AZA Best Lawyers
  • BTI Client Service All-Star Team 2013 - John Zavitsanos
  • BTI Consulting Group names AZA "Awesome Opponents"
  • Texas Intellectual Property Law Firm of the Year by firm clients and the publishers of Global Law Experts
  • Texas Super Lawyers - 9 AZA Lawyers named Texas Super Lawyers
  • AZA Earns Selection to Texas Verdicts Hall of Fame - Texas Lawyer
  • Three AZA Attorneys Named to Who's Who in Energy List - Houston Business Journal
  • Chambers USA: America's Leading Lawyers for Business - AZA among Best in Commercial Litigation
  • Chambers USA: America's Leading Lawyers for Business - 3 AZA lawyers rated
  • Houston Law Firm AZA Named Among Largest Energy Practices by Houston Business Journal

Key Contacts

John Zavitsanos

Managing partner

713-655-1101

View Profile

Mary Flood

Consultant

7138576560

View Profile

Notable Clients

Air Liquide America American Automobile Association CITGO Petroleum Corporation Enbridge Inc. Genuine Parts Company Mercedes-Benz USA National Oilwell Varco Plains All American Pipeline, L.P. PSC , LLC Versata Software

Contact Us

Login Required

Please login to contact this law firm

Login to Contact

Reviews

4.5 / 5

51 Reviews

C

Catherine Schmidt

Jan 31, 2026

Excellent legal representation provided by Ahmad, Zavitsanos & Mensing for my Commercial Litigation law case

Really glad I found Ahmad, Zavitsanos & Mensing for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If...

T

Taylor VonRueden

Jan 31, 2026

A very good experience overall with the entire team at Ahmad, Zavitsanos & Mensing's legal practice

I appreciate how Ahmad, Zavitsanos & Mensing handled my case. No fluff, just straight to the point and very effective representation for my Commercial Litigation law matter. They are obviously very ex...

S

Sandra King

Jan 31, 2026

Really helpful and compassionate service from everyone at Ahmad, Zavitsanos & Mensing's firm

I wasn't sure who to call for my Commercial Litigation law problem, but I'm so glad I went with Ahmad, Zavitsanos & Mensing. They really listened to me and understood my situation. It was such a relie...

C

Cecil Moore

Jan 31, 2026

So glad I called Ahmad, Zavitsanos & Mensing to handle my Commercial Litigation law case in undefined

Everyone at Ahmad, Zavitsanos & Mensing's office in undefined was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I ne...

J

Joanne Russel

Jan 31, 2026

The absolute best in undefined for Commercial Litigation law - and I mean that from the bottom of my heart

If you're looking for someone who actually cares and will fight for you, go to Ahmad, Zavitsanos & Mensing. They helped me out big time with my Commercial Litigation law issue and kept me informed at...