A team of international tax specialists who combine deep expertise with a hands-on, entrepreneurial mindset.
Blue Turtle Tax was founded with a clear mission: to make international tax practical, accessible, and genuinely useful for businesses expanding across borders.
Based in The Hague, Netherlands, we serve clients across Europe and North America. Our team combines decades of Big Four experience with the agility and responsiveness of a boutique firm.
We believe tax advice should lead to action — not just reports. Every engagement is designed to deliver workable solutions that fit your business, your people, and your timeline.
We think internationally from day one, connecting local regulations with global strategy.
No theoretical exercises — every recommendation is built to be implemented.
Your success defines ours. We go above and beyond to deliver real value.
We invest in our people, our knowledge, and our technology every single day.
Duy founded Blue Turtle Tax with a mission to make international tax accessible and practical. With extensive experience across European and North American tax jurisdictions, he leads the firm's strategic direction and client relationships.
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Helmar brings deep expertise in Corporate Income Tax and international tax structuring. He advises multinational clients on cross-border transactions, transfer pricing, and tax-efficient corporate structures.
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Jan specializes in VAT compliance and advisory across multiple European jurisdictions. He helps clients navigate complex VAT regulations, import/export duties, and cross-border supply chain tax issues.
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John focuses on the intersection of supply chain operations and tax optimization. He advises on customs duties, transfer pricing, and VAT recovery strategies for international logistics operations.
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Lilly drives operational excellence at Blue Turtle Tax, managing client onboarding, process integration, and technology implementation to ensure seamless service delivery.
LinkedInWe are always looking for talented people who share our passion for international tax.
