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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

Our Attorneys (26)

Office Locations

Houston, TX Headquarters

1221 McKinney Street, Suite 2500, Houston, TX 77010

713-655-1101

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Leadership Team

Sandy Howell

Office Administrator

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John Zavitsanos

Managing Partner

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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

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Mary Flood

Consultant

7138576560

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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

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Reviews

4.5 / 5

51 Reviews

S

Sandra Stanton

Jan 31, 2026

A huge weight off my shoulders thanks to the amazing work of Ahmad, Zavitsanos & Mensing

I've already told all my friends and family about Ahmad, Zavitsanos & Mensing. If you need Commercial Litigation law help in undefined, they're the ones to see without any doubt. They are local expert...

K

Kristi Rolfson

Jan 31, 2026

Solid work and professional service from Ahmad, Zavitsanos & Mensing in undefined for undefined residents

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...

D

Della Walsh

Jan 31, 2026

Highly recommend Ahmad, Zavitsanos & Mensing for anyone needing expert Commercial Litigation law help in undefined

I didn't think I'd find such a good lawyer in undefined, but here we are and I am thoroughly impressed. Ahmad, Zavitsanos & Mensing is just awesome and exceeded all my expectations. No complaints at a...

R

Rose Hills

Jan 31, 2026

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

I've already told all my friends and family about Ahmad, Zavitsanos & Mensing. If you need Commercial Litigation law help in undefined, they're the ones to see without any doubt. They are local expert...

A

Alice Streich

Jan 31, 2026

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

Needed help with Commercial Litigation law and Ahmad, Zavitsanos & Mensing delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in undefined lookin...