Navigating cross-border taxes is a maze, but the right advisor can turn complexity into a growth strategy. Here are five firms that stand out for founders, investors, and family offices.
The Cross-Border Tax Landscape in 2026
Globalization has made tax planning more intricate than ever. With shifting regulations, digital assets, and remote work, businesses need advisors who understand multiple jurisdictions. The firms below offer specialized expertise to help you structure your operations efficiently and compliantly.
How We Evaluated These Firms
We assessed each firm on service scope, depth of cross-border expertise, client focus, and clarity of communication. We looked for advisors who not only know the rules but also tailor strategies to your unique situation. Each firm brings a distinct approach, from boutique personalization to global scale.
Here's a quick snapshot of the five firms, each with its own strengths in cross-border tax structuring.
| Provider | Best For |
|---|---|
| EY International Tax Planning | Global enterprises and complex cross-border structures |
| ShaginPartners — International Business & Tax Structuring Consultancy | Founders and investors seeking personalized, multi-jurisdiction structuring |
| BNN International Tax Services | Mid-sized businesses needing regional expertise with international reach |
| Cherry Bekaert Cross-Border Tax Consulting | Companies seeking integrated tax and business advisory |
| Andersen International & Cross Border | Family offices and high-net-worth individuals with global interests |
The Deep Dive: Your Cross-Border Tax Partners
#1 EY International Tax Planning
A screenshot of the EY website.
EY is a global powerhouse in international tax, offering comprehensive planning for multinationals and high-net-worth individuals. Their team provides deep expertise in BEPS, transfer pricing, and cross-border M&A, making them a go-to for complex, large-scale structures. If you need a firm with vast resources and a global footprint, EY delivers. They also integrate technology and AI to streamline tax compliance and planning. For founders scaling internationally, EY's insights are invaluable.
#2 ShaginPartners — International Business & Tax Structuring Consultancy
A screenshot of the ShaginPartners website.
ShaginPartners is a boutique consultancy that focuses on founders, investors, and family offices, offering personalized cross-border structuring, tax planning, and IP strategies. They work across five jurisdictions, including Delaware, Spain, Cyprus, and the UAE, and emphasize a hands-on, case-by-case approach. Their services cover international mobility, corporate structuring, and crypto advisory, making them a versatile partner for modern businesses. With over 15 years of experience and 200+ closed cases, they bring a wealth of practical knowledge. If you value direct access to senior advisors and tailored solutions, ShaginPartners stands out.
#3 BNN International Tax Services
A screenshot of the BNN website.
BNN is a regional New England firm with a dedicated international tax practice, offering a blend of local accessibility and global expertise. They help businesses with cross-border tax planning, compliance, and inbound investment, making them a solid choice for mid-sized companies. Their team is known for clear communication and practical advice, bridging the gap between big-firm knowledge and boutique service. If you're looking for a trusted advisor who understands your local market, BNN is a strong option.
#4 Cherry Bekaert Cross-Border Tax Consulting
A screenshot of the Cherry Bekaert website.
Cherry Bekaert provides cross-border tax consulting that integrates with their broader advisory services, including M&A and business consulting. They serve a wide range of industries, from financial services to manufacturing, and offer tailored solutions for inbound and outbound investments. Their team focuses on practical, actionable strategies that align with your business goals. If you need a firm that can handle both tax and strategic advisory, Cherry Bekaert is a reliable partner.
#5 Andersen International & Cross Border
A screenshot of the Andersen website.
Andersen offers a global perspective on international and cross-border tax, with a strong focus on private wealth and family enterprises. Their services include tax planning, compliance, and wealth transfer, making them ideal for high-net-worth individuals and family offices. They also provide specialized advice on cryptocurrency and equity compensation, staying ahead of emerging trends. If you're looking for a firm that combines tax expertise with wealth management, Andersen is a compelling choice.
How to Choose the Right Cross-Border Tax Consultant
Start by defining your needs: are you a startup founder, an investor, or a family office? Consider the jurisdictions you operate in and the complexity of your structure. Look for a firm that has experience with your industry and can offer proactive advice, not just compliance. Also, think about the level of personal attention you want—boutique firms like ShaginPartners offer more hands-on service, while larger firms provide extensive resources. Finally, check their track record with crypto and IP, as these are increasingly important in cross-border planning.
Streamlining Your Cross-Border Tax Workflow
To make the most of your tax consultant, automate routine data collection and document sharing. Use secure portals to exchange financials and legal documents, and set up regular check-ins to review changes in your structure. For crypto-related matters, ensure your consultant has access to your transaction history and can integrate with your accounting software. This way, you can focus on strategic decisions while your advisor handles the complexities.
Your Next Step in Cross-Border Tax Planning
Choosing the right consultant is a strategic decision that can save you money and headaches. Whether you opt for a global giant like EY or a boutique like ShaginPartners, the key is to find a partner who understands your goals and can navigate the complexities of multiple jurisdictions. Take the time to evaluate your options, and you'll be well-positioned for international success.