$1 Million Tax Audit Protection 

Tax & AccountingBookkeeping Services in Port St. Lucie, FL

We are a full suite accountingbookkeeping firm in Port St. Lucie offering tax preparation / tax planning as well as individual and business services.

Tax Services

Personal and business taxes, IRS problem resolution, amended tax returns, tax planning & more.


Individual Services

Experts for wealth management, estate planning, elderly care & investment tax services.


Hear Why Our Clients Love Us

  • Ethan Creel
    I am so happy to have found Paramount and met William! I was so uneducated on my taxes before coming here, I will always file with them going forward. Highly recommend!!!
  • Duarte Handyman Services LLC. Duarte
    Had another tax shop do my business corp tax and they made a mess and couldn't explain many things, contacted Paramount and made an appointment, they were able to explain everything. Thank you
  • shawn brothers
    What an upgrade. I’ve been using a different accountant for several years and finally made the leap to somebody new and it was such an improvement. Fast, competent, and able to show me where I could improve in my filing. I’m very happy to have chosen Paramount this year and will be using them moving forward.
  • Jamie Briggs
    I can’t recommend Cassie enough! She is an exceptional accountant who goes above and beyond to ensure every detail is handled with care. Cassie is incredibly knowledgeable, responsive, and thorough, making the often stressful process of managing finances and taxes feel seamless and straightforward. She takes the time to explain everything clearly and always provides valuable advice tailored to my situation. Working with her has been an absolute pleasure, and I trust her completely with all my accounting needs. If you’re looking for someone reliable, professional, and friendly, Cassie is the one to call!
  • Isias Berrios
    William provided excellent service, and I am extremely satisfied. He was very organized and knowledgeable, helping me with my first year of documenting my business taxes. I highly recommend Paramount Tax & Accounting.
  • Christine P
    Excellent and fast service, very professional, William and his staff were amazing!
  • Talia Parise
    Highly recommend! I decided to try Paramount this year for my taxes after having a not so great experience with another accounting firm last year. I couldn’t be happier with my decision! It was so refreshing to be treated like a person and not just a name on a file. They were very patient and thorough, and I appreciate the individual attention my filing was given. The whole team at Paramount was a pleasure to work with, I especially recommend asking for Cassie!
  • Andrea Blackburn
    I can't thank Cassie enough for all the help she gave me. I came in very stressed out and unsure of what to do. Cassie settled all my fears and explained everything in depth. When I left, I felt happy and very much at ease with everything. I would highly recommend Cassie and Paramount Tax & Accounting PSL to anyone!!
  • Pamela Lane (Pam)
    I was very impressed with Will's expertise in tax advice. A great deal of questions were answered. I feel confident and they will be my tax consultants going forward
  • Francine
    Very knowledgeable they are friendly at the office. They office was clean and they eventookmein before my appointment time.
  • Piper Walsh
    Very professional and fast, my anxiety was quickly calmed. I would recommend this business completely to anyone. Thank you!
  • Renita DiTomas
    Very knowledgeable and good information 👌
  • steph lado
    William and his staff were great to work with. The receptionist and everyone is very friendly and efficient. William was very knowledgeable and took the time to explain things and guide us. We will definitely be using him in the future for our taxes.
  • steph lado
    I had been looking for a tax preparer since I am new to the area. William and his staff at paramount tax are great !!! They are very warm, welcoming, and knowledgeable. They take the time to get to know you so they can explain everything and advise you. Me and my family Will definitely be returning to them to help us with all of our tax questions and preparations.
  • Geoffrey Beaucage
    William was great to work with. I had a life changing experience and needed a consultation. He went over my situation and knew exactly what to do. Will definitely stay with this company.
  • Tim Saccomanno
    Very knowledgable, well run, easy to work with. On top of any potential changes in the laws, capable of handling complex customer requirements.
  • Vinny Incorvaia
    William took very good care of my business and personal tax issues from previous years, everything was a mess but he got it done with ease, and really impressed me how easy he made it all seem. Thank you again paramount tax!
  • Kelly Bowser
    “I was in need of a tax specialist and a reliable accountant for my new business. As this is my first venture, I wanted expert advice and guidance to ensure everything was done correctly. I came across Paramount Tax and Accounting, and after reading about them, I decided to schedule an appointment. From the moment I connected with them, I was met with kindness, professionalism, and an incredible depth of knowledge—exactly what I was looking for. William Baxter made the entire process of dealing with the IRS stress-free and far easier than I could have imagined. If you’re looking for an exceptional accountant who will truly make your life easier, I highly recommend reaching out to William at Paramount Tax and Accounting. You’ll be glad you did!”
  • Timothy Bowser
    I’m so happy my wife and I choose Paramount. He is very knowledgeable and made us feel welcomed. I highly recommend anyone who needs to solve their tax issues to use Paramount.
  • margaret oreilly
    Right from the beginning, the staff were warm and professional. They worked on my bookkeeping with knowledge and care. I am do so happy with the whole team. Thank you so much. I am excited about moving forward to another year of great professional service. A special thank you to Cassie for going above and beyond.