We wouldn’t say business taxes are easy, but we enjoy making sure yours are done right.
Just imagine, for a moment. Your tax needs are handled with precision and care, and your CPA not only knows you, but really gets you. Tax planning is integrated into your business processes in a logical, reliable way that lets you focus on what truly matters: growing your business and savoring your successes.
It doesn’t make us the life of the party, but we honestly love reading double taxation agreements.
We focus on strategies that help you build wealth and achieve long-term financial goals. We are also always pleased to make introductions to other expat service professionals in our network.
Meet the Team
Rook CPAs offers tailored US business tax services, specializing in global tax strategies and planning.
Nicolás Castillo
For over seven years, Nicolás Castillo, CPA, has provided global tax services to ensure his clients’ filings are compliant with the IRS and optimized for cross-border situations. Originally from Miami, Nicolás and his wife, Sam, moved to Madrid in 2021. As a senior expat tax provider running his own digital nomad business from Spain, he sees an ongoing need for proactive cross-border tax planning and advisory services for the international business owner community.
Although his professional background is defined by providing US tax services to business owners, his personal interests are wide-ranging and include history, art, tech, and creative endeavors more broadly. His client roster is filled with individuals he admires, including creators, architects, technology entrepreneurs, and real estate professionals.
Ready to learn more?
Serving US businesses with expat owners abroad and at home.
Learn more about how we work and why we do it.
Innovation
Our adaptable approach ensures that we stay ahead of tax trends while maximizing deductions and maintaining compliance.
Integrity
Trust is the cornerstone of our firm, guiding our commitment to doing what’s best for both our clients and our colleagues.
Expertise
Precision in every decision is achieved by leveraging the collective strengths of our team to provide reliable guidance.
Generosity
As fellow US business owners, we believe in paying it forward by offering support, guidance, and education that fosters a sense of community and shared success.
