International Tax Attorneys

Committed to Sophisticated Cross Border Tax Planning

Castro & Co. provides seasoned international tax planning legal guidance to corporations, family companies, individuals, trusts, and estates around world. With offices located in Washington D.C., Miami, Dallas, and Orlando and upcoming offices in New York, London, and Sydney as well as partner firms in over 130 countries around the world, we take pride in our ability to serve any client in any part of the world. Every international tax planning lawyer at Castro & Co. provides each case with the individualized representation and undivided attention deserved. Trust and believe that we’re prepared to deliver our top-notch services for your benefit. Our number one priority is guiding you through the tax planning process as smoothly and seamlessly as possible.

Our team knows how demanding of a process international tax planning may appear. That’s why we go above and beyond to develop highly customized plans to achieve your goals promptly and proficiently. More importantly, we never charge for the initial consultation and case review. We only engage our clients on a flat-fee basis after a thorough proposal has been presented clearly outlining the tax savings to be realized by engaging our firm. We do this so that clients can clearly see the cost-benefit ratio of engaging our firm and understand that our fees are an investment with an immediate return. More often than not, the fees paid to our firm will be the highest performing asset in your portfolio when viewed as an investment.

Entrust our experienced international tax attorneys to provide your case with the legal guidance and custom-tailored solutions it needs. Call (888) 595-5088 to schedule a free consultation.

Prev Next

Our Videos

Castro & Co. is one of the most highly respected international tax planning law firms in the world. We exclusive practice international tax planning with a mastery of treaty-based tax planning. We are the law firm that other law firms call when they’re faced with a complex international tax matter. Our skilled team of attorneys are committed to delivering the most effective solutions tailored to your unique needs. We prioritize relieving you of your tax and estate planning burdens over anything. Learn more about our top-notch legal services by watching this clip.



  • They Can Certainly Deliver

    - North American Society of Tax Advisors

  • Castro & Co Have Helped Many Of Our Clients

    - Israeli Chamber of Commerce in Shanghai

  • Highly Recommend Castro & Co

    - Chinese Manufacturers Association

The Castro & Co. Difference

  • We Offer Free Consultations
  • We Provide High Quality Legal Counsel
  • We Are Experienced & Successful In Our Field
  • We Provide Sophisticated International Tax Planning

Contact Our Firm Today

Let's discuss your tax or estate planning legal matters in detail.

  • Please enter your name.
  • Please enter your phone number.
  • This isn't a valid email address.
    Please enter your email address.
  • Please make a selection.
  • Please enter a message.


  • Washington DC

    The Bethesda Office Building 1701 Pennsylvania Ave NW, Suite 300 Washington DC, 20006

  • Miami

    The Bank of America Tower 701 Brickell Ave, Suite 1550 Miami FL, 33131

  • Dallas

    The North Galleria Tower 13155 Noel Road, Suite 900 Dallas TX, 75240

  • Orlando

    The North Plaza Tower 121 South Orange Ave, Suite 1500 Orlando, Florida 32801