Tools and partners

The taxes cross-border sellers face, worked out by you first

We turned the tax questions clients ask us most into free tools. Fill in a few fields to see the result, no sign-up needed. Below you'll also find the marketplaces we serve and the banks we work with, so you can judge whether we fit your business.

Free tax calculators

All free, no sign-up. If you want a plan tailored to your situation afterwards, every page lets you leave your contact details.

Hong Kong Profits Tax calculatorTwo-tiered 8.25%/16.5% rates in one click, plus whether you can claim an offshore exemption. US corporate tax calculatorFederal 21% plus state taxes, with sales-factor apportionment for multi-state businesses. US sales tax nexus checkWhich states you need to register in and how far marketplace collection covers you. EU & UK VAT registration checkStock, OSS and IOSS thresholds: find out whether you need to register. Export VAT refund calculatorEstimate your refund and whether your current export method qualifies. Tax residency checkerMainland China, US, Hong Kong, Canada and Singapore: day counts and ties decide whether you are taxed on worldwide income. CRS exposure checkWhether your offshore account data will be exchanged back home, and how exposed you are. Permanent establishment (PE) risk checkWhether staff or premises abroad could make you liable for local corporate income tax. Offshore structure health checkTen questions to score your structure: ODI, economic substance, transfer pricing, CRS. Cross-border structure selectorVIE, ODI or offshore: a suggested direction based on your business and fund flows.

Service providers and institutions: let's work together

We work with platforms, banks and service firms across the cross-border sector. If your business connects with the tax and accounting needs of cross-border sellers, whether through cross-promotion, client referrals or content, get in touch.

Talk to us about partnering

Marketplaces we cover

We serve sellers on all of these platforms. Each has its own report formats, fee structures and filing requirements, so the bookkeeping and filing are handled differently for each.

AmazonWe are an Amazon SPN certified service provider. TikTok ShopWe are a TikTok Shop Partner (TSP). WalmartA major US marketplace. eBayA long-established cross-border marketplace. TEMUOne of the fastest-growing cross-border platforms in recent years. SHEINCross-border fast-fashion platform. AliExpressAlibaba's platform for consumers worldwide. Alibaba.comCross-border B2B wholesale platform. ShopeeLeading platform in Southeast Asia and Latin America. LazadaSoutheast Asian e-commerce platform. ShopifyStore-building platform; your payment-receiving entity and tax structure need to fit together. WishCross-border platform focused on Europe and North America.

Partner banks

We have experience working with the banks below on offshore company accounts, repatriating funds and account compliance. Account opening is subject to the bank's approval; what we provide is process guidance and document preparation.

HSBCWidely used for Hong Kong and international business. Bank of ChinaOnshore-offshore coordination and cross-border settlement. CITIC BankCross-border corporate accounts and settlement. SPD BankCross-border e-commerce collection and FX settlement. Bank of NingboDedicated services for cross-border e-commerce. Ping AnIntegrated financial services.
Note: Names and trademarks of the platforms and financial institutions listed here belong to their respective owners. They are listed only to show the scope of our services and our working experience, and do not imply any recommendation or endorsement of our firm. Bank account opening is subject to the bank's approval, and we do not guarantee that an account will be opened. The tax calculators on this page are for general reference only and are not tax, legal or accounting advice; actual tax liabilities and compliance requirements are determined by the competent tax authority and current law.