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Global Tax & Accounting Experts—35 Years of Financial Solutions. Planning Tomorrow, Together. Because smart tax strategies create lasting success.
At Guillen Pujol CPAs, we do more than balance numbers—we build financial success, empower businesses, and create global opportunities. As trusted advisors in international tax strategy, compliance, and business growth, we help companies and individuals navigate complex financial landscapes, protect wealth, and thrive across borders. Our firm has over 35 years of global expertise, and specializes in international tax & accounting services for startups, mid-sized companies, and large enterprises. We provide strategic international tax planning, high-income tax planning, and tax advisory to help businesses navigate complex regulations while maximizing profitability. Our expertise includes agreed-upon procedure, outsourced bookkeeping and controller services, and comprehensive tax management solutions. Additionally, we assist with Miami Dade Real Estate Taxes, capital gains tax on foreign property, and global compliance strategies tailored for international investors.
Whether you are looking for an international tax CPA, one of the best CPA firms for a small business, or the best outsourced accounting services, our team is equipped to meet your needs. We are trusted international tax accountants and Florida estate tax advisors that ensure businesses stay compliant while optimizing financial growth.
Our approach is hands-on and proactive–offering expert-led, personalized service with strategic insights that drive growth. From wealth preservation to global tax optimization, we provide data-driven strategies that empower you to scale, safeguards assets, and thrive–no matter where you do business.
Nestor Guillen is a recognized authority in international tax strategy, international tax planning, and high-income tax planning. As an International Tax CPA, he has shaped financial strategies for Fortune 500 companies, multinational corporations, and high-net-worth individuals, ensuring compliance while optimizing tax efficiency.
Nestor’s career spans senior leadership roles at Price Waterhouse Venezuela, Grant Thornton Venezuela, and Grant Thornton USA, where he spearheaded complex tax initiatives across Latin America. His deep understanding of international tax regulations has empowered businesses to navigate evolving tax landscapes successfully.
In 2009, driven by a vision for personalized, high-impact financial advisory, he founded Globalbiz Tax & Business Solutions, later evolving into Guillen Pujol CPAs in 2016. Under his leadership, the firm seamlessly blends Big Four expertise with a client-first approach, delivering precision-driven international tax strategies that fuel long-term financial success.
As a proud AICPA member, we uphold the highest financial standards , while our of XLNC affiliation connects us with top global experts. These strategic partnerships give our clients unparalleled financial insights and industry-leading best practices.
From Florida estate tax and Miami Dade real estate taxes to cutting-edge international tax services, we ensure businesses stay ahead of evolving regulations.
Looking for outsourced bookkeeping and controller services? Need expert-led strategies to simplify tax planning and maximize global opportunities? Partner with Guillen Pujol CPAs today—unlock your company’s full potential.
We take pride in being Certified QuickBooks ProAdvisors, a distinction that reflects our vast experience and expertise in utilizing QuickBooks. This certification assures our clients of expert financial management, precise accounting, and optimized bookkeeping solutions that enhance efficiency and ensure regulatory compliance. With a high volume of operations on the platform, we are committed to delivering exceptional, tailored services that meet the specific needs of each client.
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At Guillen Pujol CPAs, we do more than balance numbers—we build financial success. As trusted advisors in international tax strategy, compliance, and business growth, we help companies and individuals navigate complex financial landscapes with ease.
With over 35 years of global expertise, we specialize in international tax planning, corporate accounting, and regulatory compliance, delivering tailored solutions designed for long-term success.
Our approach is hands-on and proactive—offering expert-led, personalized service with strategic insights that drive growth.
From wealth preservation to global tax optimization, we provide data-driven strategies that empower you to scale, safeguard assets, and thrive—no matter where you do business.
Nestor Guillen is a recognized authority in international tax strategy, international tax planning, and high-income tax planning. As an International Tax CPA, he has shaped financial strategies for Fortune 500 companies, multinational corporations, and high-net-worth individuals, ensuring compliance while optimizing tax efficiency.
Nestor’s career spans senior leadership roles at Price Waterhouse Venezuela, Grant Thornton Venezuela, and Grant Thornton USA, where he spearheaded complex tax initiatives across Latin America. His deep understanding of international tax regulations has empowered businesses to navigate evolving tax landscapes successfully.
In 2009, driven by a vision for personalized, high-impact financial advisory, he founded Globalbiz Tax & Business Solutions, later evolving into Guillen Pujol CPAs in 2016. Under his leadership, the firm seamlessly blends Big Four expertise with a client-first approach, delivering precision-driven international tax strategies that fuel long-term financial success.
As a proud AICPA member, we uphold the highest financial standards , while our of XLNC affiliation connects us with top global experts. These strategic partnerships give our clients unparalleled financial insights and industry-leading best practices.
From Florida estate tax and Miami Dade real estate taxes to cutting-edge international tax services, we ensure businesses stay ahead of evolving regulations.
Looking for outsourced bookkeeping and controller services? Need expert-led strategies to simplify tax planning and maximize global opportunities? Partner with Guillen Pujol CPAs today—unlock your company’s full potential.
At Guillen Pujol CPAs, we take pride in being Certified QuickBooks ProAdvisors, a distinction that reflects our vast experience and expertise in utilizing QuickBooks. This certification assures our clients of expert financial management, precise accounting, and optimized bookkeeping solutions that enhance efficiency and ensure regulatory compliance. With a high volume of operations on the platform, we are committed to delivering exceptional, tailored services that meet the specific needs of each client.
Thanks for contacting us!
Someone will reach out to you via email.
Send another form
At Guillen Pujol CPAs, we do more than handle taxes—we empower businesses worldwide to navigate complex financial landscapes with confidence. Our tailored tax, accounting, and advisory solutions are designed to drive growth, ensure compliance, and unlock global opportunities.
With deep expertise in international tax strategy and financial planning, we help companies cut through red tape, minimize risk, and maximize success in an ever-changing global economy.
Built on trust. Driven by precision. Focused on your future.
To be the world’s most trusted financial partner, transforming how businesses manage global tax challenges, seize opportunities, and achieve sustainable success.
We envision a future where international tax and financial strategy aren’t obstacles—but powerful tools that fuel growth, innovation, and prosperity across borders.
Global impact. Smarter solutions. Unmatched expertise
At Guillen Pujol CPAs, we do more than handle taxes—we empower businesses worldwide to navigate complex financial landscapes with confidence. Our tailored tax, accounting, and advisory solutions are designed to drive growth, ensure compliance, and unlock global opportunities.
With deep expertise in international tax strategy and financial planning, we help companies cut through red tape, minimize risk, and maximize success in an ever-changing global economy.
Built on trust. Driven by precision. Focused on your future.
To be the world’s most trusted financial partner, transforming how businesses manage global tax challenges, seize opportunities, and achieve sustainable success.
We envision a future where international tax and financial strategy aren’t obstacles—but powerful tools that fuel growth, innovation, and prosperity across borders.
Global impact. Smarter solutions. Unmatched expertise.
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