Our Practice

Practice Areas

  • Divorce
  • Custody
  • Child Support and Alimony 
  • Post-Judgment Modification Proceedings
  • Enforcement
  • Collaborative Law
  • Family Law Mediation

Our Approach

At Thacker Law Group, P.A., we specialize in bringing the law to your corner. We are dedicated to understanding what results you want and to helping you understand what actions we can take on your behalf. We will work with you every step of the way to make sure that you understand the choices you are making and feel empowered to make them.

Mediation Services

We offer private mediation services in Marital and Family Law cases, serving primarily Pinellas, Pasco and Hillsborough counties. Our mediator, John S. Thacker, B.C.S., is Board Certified in Marital and Family Law since 2018 and is AV peer-review rated Martindale-Hubble since 2013. We understand the value of pursing amicable resolution of family law-related disputes as an alternative to litigation. 

Legacy of Success

The attorneys of Thacker Law Group, P.A. has over 40 years of combined experience and a proven track record of success. We are proud the majority of our clients are referrals from past clients, lawyers and other professionals, and oftentimes the opposing party from a prior case. We use that experience to help you down a path to the results you need. Schedule your consultation with a Marital and Family Law  expert today! 


O. Stephen Thacker, Attorney


Florida Bar Board Certified in Marital and Family Law Martindale-Hubbell AV Rated Member 

  • Practice Areas: Marital and Family Law; General Civil Trial Practice; Probate Litigation and Administration; Commercial Litigation.
  • Admitted: 1975, Florida
  • Law School: Stetson University College of Law, J.D., 1975
  • College: Florida Southern College, B.S., 1970
  • Member: Clearwater Bar Association (Treasurer, 1986; Secretary, 1987; President Elect, 1989; President, 1990-1991); The Florida Bar.
  • Biography: Phi Alpha Delta. Master, Canakaris Inn of Court. Executive Editor, Stetson Intramural Law Review, 1974-1975. Author: "Real Property: Dower - Title Conveyance in Foreign Jurisdiction Without Joinder of Wife," Volume II, Stetson Intramural Law Review, No. l; "Florida's Condominium Act - 1974," Volume V, Stetson Intramural Law Review, No. l. Instructor, Business Law I and II, St. Petersburg Junior College, 1978-. Assistant State Attorney: Sixth Judicial Circuit, Pinellas County, Florida, 1977; Ninth Judicial Circuit, Orange County, Florida, 1975-1977. President, Springtime City Kiwanis, 1989-1990. Member, Salvation Army Advisory Board, 1991. Fellow, Clearwater Bar Foundation. (Board Certified Marital and Family Law Lawyer, Florida Bar Board of Legal Specialization and Education).
  • Military: USNR, 1970-1975
  • Born: Kissimmee, Florida, August 6, 1948
  • ISLN: 903200927

John S. Thacker, Attorney


Florida Bar Board Certified in Marital and Family Law Martindale-Hubbell AV Rated Member

  • Practice Areas: Marital and Family Law; General Civil Trial Practice; Probate Litigation and Administration; Commercial Litigation; Criminal Defense.
  • Admitted: 2005, Florida
  • Law School: Stetson University College of Law, J.D., 2004
  • College: University of Florida, B.S., 2001
  • Member: Clearwater Bar Association; The Florida Bar.
  • Biography: John S. Thacker, Esquire is a Marital and Family Law attorney with Thacker Law Group, P.A. based out of Clearwater, Florida. His practice has been totally devoted to family law since joining the firm in January, 2008. Prior to joining, Mr. Thacker was an Assistant State Attorney in Pinellas County, Florida for 3 years working for the Honorable State Attorney Bernie McCabe. During his time at the State Attorney’s Office, Mr. Thacker was promoted to Lead Trial Attorney, assigned to Child Abuse investigations, and handled multiple jury trials on behalf of the state, including serious felony charges. Mr. Thacker’s approach to family law is focused simply upon identifying and meeting the needs of the client. In doing so, he leverages his many years of experience as an active member of the family law bar, his knowledge of the law, his professional experience with the judiciary, and his relationships with other family law-related professionals. His approach prioritizes professionalism and integrity at all stages, and direct, one-on-one involvement with the client throughout. Mr. Thacker always keeps in mind the “big picture” goal of obtaining a favorable result to any family law matter as expeditiously and cost-effectively as possible, and minimizing any adverse consequences on the members of the family, particularly young children. Frequently, the best approach to resolving a case is to work cooperatively toward an amicable settlement. However, there are times when court action is needed, and Mr. Thacker has years of litigation experience, including high conflict custody litigation and complex financial issues, to protect your interests and those of your family and children. Every case is different, and Mr. Thacker will share his advice and opinions on the appropriate strategy, and the likely result of your case, at the conclusion of the initial consultation, as well as the actions that should be taken by the client at that time to put him or her in the best possible position for success. It is important that you seek the advice of a lawyer immediately as clients often make decisions very early in a family law matter that can have serious long consequences. In addition to his extensive litigation experience, Mr. Thacker is trained in collaborative law, which is an alternative dispute resolution methodology for resolving divorce cases outside of the Court system. He also provides mediation services, both at his office in Clearwater and traveling where necessary. For many years, Mr. Thacker has volunteered at the family law clinic in St. Petersburg, Florida offering pro bono family law legal aid services for those in need. He is a member of the Florida Bar, the Clearwater Bar, and the Canakaris Inn of Court. Simply put, Mr. Thacker has the broad array of expertise and experience to guide you through your family law matter from beginning to conclusion with the utmost in professionalism and competence.

Thacker History

Omer Thacker


O.S. lived through the Great Depression and became a prominent lawyer in Kissimmee. The local paper reported that he represented his clients "with the tenacity of a pit bull." 

He had a sincere empathy for people truly in need offering  them work in exchange for food and shelter among his various properties.  He was afraid of no one and would offer work to local jail inmates as well. 

Clarence Thacker


Clarence Thacker was a WWII bomber pilot and then attorney. Listen to him go before the supreme court on December 6th, 1956 Oral Argument

He piloted  a B17 and flew 65 missions spanning the entire length of WWII.  The Book "The 'Kissy-Me Kowboy'"  shown above tells the life story of this extraordinary heroic man raised in Kissimmee, FL. 

Jess Thacker


Elected in 1960 as Kissimmee’s first female mayor, Jessie Lee Wilder Thacker won by a margin of 822 to 367 votes and served a one-year term.

She became a widow in 1958 with 3 young children. She pressed on as a single mom balancing career and family  during a time of deep cultural change for the country. She practiced law and became the first female mayor of Kissimmee, Florida. She moved to Pinellas county and taught at St. Pete Junior College inspiring attorneys, paralegals and even some now  Judges to pursue a career in the legal profession.