We’re here for you, every step of the way.

Being a US-connected person can make living abroad and running a business challenging. Connect with us today to learn about how we can help you stay ahead of the tax curve.

Schedule a Discovery Call

Why choose us?

Expert guidance, tailored solutions, proactive support, and unwavering dedication to simplifying complexities and ensuring your success.

7+ Years

of experience serving US business owners.

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For 7+ years, Nicolás Castillo has been serving US business owners abroad and in the US. Rook International CPAs & Advisors is registered in Miami, Florida, and Nicolás currently lives in Madrid with his wife. Most meetings are conducted virtually, but if you would like to arrange an in-person meeting in Madrid, simply note that on the submission form

US-registered

Rook International CPAs & Advisors is registered in Miami, Florida.

“ Specializing in business tax services, Rook International CPAs and Advisors is dedicated to providing expert guidance and designing custom tax strategies for US-connected business owners and their families.

Scheduling a First Meeting

Most meetings are conducted virtually, but if you would like to arrange an in-person meeting in Madrid, simply note that on the submission form

Submission

After submitting your information, you will receive an email with a link to schedule a call with Nicolás.

Post-meeting

You will receive your proposal with a summary of the discussion, next steps, and a contract to sign to initiate the collaboration.

Your Solution Starts Here

After our engagement begins, we’ll initiate the intake process, building your virtual filing cabinet with everything necessary to inform your strategy.

Get In Touch

Get in touch with us today!