
For Today's Toughest Tax Problems
Our number one priority is guiding you through the tax planning process as smoothly and seamlessly as possible.
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Individuals
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Businesses

International Tax Lawyers
Providing Tax and Estate Planning Services to Clients Worldwide
The international tax planning attorneys at Castro & Co. provide seasoned legal guidance in tax planning for private individual clients and family companies as well as domestic and foreign trusts and estates around the world.
With offices located in:
And upcoming offices in:
- New York
- London
- Sydney
- As well as partner firms in more than 130 countries around the world
Our international tax lawyers take pride in our ability to serve any client in any part of the world. Each attorney at Castro & Co. provides each case with individualized representation and undivided attention.
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.
Why Work With Our International Tax Attorneys?
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 contingent-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. (833) 227-8761 to schedule a consultation.


Featured Tax Solutions
We are proud of what we do and committed to helping our clients solve any taxation issues in the best manner possible with the greatest attention to detail.-
Annual Tax Compliance
We always deliver experienced tax planning services based on our cutting-edge knowledge of complex tax laws. Our clients enjoy significantly lower effective federal, state, and local income tax rates on their incomes
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U.S. Tax Treatment of Superannuation
There is an opportunity to lawfully avoid U.S. taxation on Australian Superannuation Funds. This legal position has even been referenced by the Sydney Morning Herald and the SMSF Tax Advisor magazine.
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Tax-Free Extraction of U.S. Retirement Plans
As long as you're not a U.S. citizen, our firm can get your effective income tax rate down to 0% on your withdrawal in both the U.S. and your country of residence.
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Areas of Expertise
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AMT Tax Planning
Our tax attorneys will help reduce the odds that you'll owe the AMT through proper tax planning.
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Estate Planning
Domestic & International trusts, assistance with life planning documents and services for businesses, which include customized retirement plans.
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Inheritance Tax Planning
Received an inheritance? Our tax attorneys will help structure a tax efficient strategy that works for you.
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Pre-Residency Tax Planning
Before moving to the U.S. make sure that you have all your financial affairs in order. We can help with this process as well.
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Exit Tax Planning
Before departing the U.S. it is important to know how you will be taxed upon leaving. Exit tax planning is crucial.
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Offshore Tax Compliance
Tax planning for individuals with offshore accounts in other countries. (FATCA).

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What People Say About Us
Client Testimonials-
“Their team provided excellent service, they were professional, very knowledgeable, attentive and provided clear advice/support for my specific situation.”
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“The Castro team was great to work with. Very responsive and quick. Second year working with them and would recommend them to everyone.”
- Luis H. -
“Great team. Handled issues professionally and gives options. They go above and beyond to help, no matter what your situation may be. Highly recommend!”
- Elvis C. -
“It only took one time for me to have Castro & Co. do my taxes and I have NEVER looked back. Castro & Co. are professional, courteous and very good at what they do. If you want to have a company that ...”
- Dominic M. -
“Professional and easily accessible, Castro & Co was an absolute pleasure to work with. They offered up timely, insightful counsel to our agency and were extremely responsive. The firm truly defines ex ...”
- Skyler P.
