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Tax & AccountingBookkeeping Services in Rancho Cucamonga, CA

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

Accounting Services

Tax Services

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

Business Services

Business services to include incorporation, accounting, bookkeepingbookkeeping & payroll.

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Hear Why Our Clients Love Us

  • Cricket Ellis
    I was having crazy anxiety about my taxes and Andrew really helped with his calmness to help me get through my tax issues. Thank you so much! 😊
  • Art Jimenez
    Chris and his team have always made stressful tax season as less stressful as possible. I’ve been a client since 2013 and have filed many types of taxes with the Group and have they have been beyond helpful and professional. I would recommend anyone to use their services.
  • Silverpelican
    Andrew and Mike were amazing. Very professional. I can not say enough to convey how knowledgeable and thorough Andrew is. Almost line by line, he explained my return. I was worried I was going to owe the IRS but ended up getting a refund. Andrew listened to my situation and asked questions to get me every credit possible. He gave me great tax advice for the upcoming tax year as well. Truly a great experience and, without hesitation, I recommend Paramount and Andrew for all your tax and accounting needs. Thanks
  • Gwen Hill
    This was my second year having my taxes prepared at Paramount Tax & Accounting. I can happily say that I would definitely recommend them. Excellent service, professionalism and honesty wins with me always!
  • Ian Jenkins
    Organized, friendly and great customer service. The staff at Paramount Tax & Accounting were very professional and my only regret is not having utilized their services sooner. A+!!
  • Lillian Sek
    They are the best of the best. Professional and very helpful. Answered all of my questions and got me a refund for the first time in years. Thank God for that!! I highly recommend going to them for all your tax needs.
  • iggs2k
    I’ve been a client for 17yrs and enjoy the service and dedication I receive from Chris. From day one he’s treated me like family not just a business transaction. Thank you Chris and look forward to another decade plus.
  • Dottie Gallivan
    As always, Chris and all of the staff at Paramount do a great job each and every time! So nice to work with professionals who care enough to do their best. Thank you!! Dottie G
  • David Ordaz
    Expertise and excellent tax accounting the staff is kind and intelligent 👌
  • bryanna r.
    Marlenne C did my taxes for the first time but this will definitely NOT be my last!! Not only is she super kind but she was able to answer all of my questions and explain further more. She also provided some tips for the next years taxes that were very helpful. Love her!!
  • Janae Rivera
    Everyone at the company is amazing and so helpful!
  • Gitesh Bhaga
    Been working with Chris for many years. He is very knowledgeable and helpful. Have recommended him to family and friends.
  • Troy Fiawoo
    Mike was knowledgeable, personable, and welcoming for our appointment! You can tell he really cares about helping his clients succeed financially, outside of just taxes. He was thorough in breaking things down and gave great future recommendations.
  • Miguel Perez
    I had a wonderful experience with Paramount. Everyone was extremely kind and helpful, and all my questions were answered. Andrew helped prepare my taxes and made my tax season this year stress free. On top of that, he was very kind, professional but also easy to talk to. I highly recommend anyone to come here for tax advice and services.
  • Carmen Garcia
    Outstanding customer service! Everyone is so nice
  • Rob Ashton
    Honesty and integrity is the heart of the office. Appreciate their work & care and my only regret is that we didn’t find them sooner! Thank you Chris!
  • Scott Sandusky
    Excellent.
  • maggie miller
    Chris is always so helpful and informative. I had lots of questions and he was very patient. He made me feel that I could take all the time I needed to understand our tax situation. Paramount Tax also offers more than just tax preparation. I highly recommend this company if you're looking for a professional and caring tax preparer.
  • Leo Mongelli Realty
    I have been a longtime client Paramount Tax & Accounting for over 10 years with nothing but great complements for the Team. I have referred my family and friends and they have also been very satisfied with the services received. I will continue to use and refer Paramount Tac & Accounting. A big Thank you to the Team Leo Mongelli
  • Andres Giles
    Mr. Collins has great expertise in the field and gives great advice.