Simon Misiewicz

Background

About Simon Misiewicz

Helping Accounting Firms Expand Their Services Without Expanding Their Overheads I partner with UK & US tax accountants and financial advisors (wealth managers) who need specialist US/UK cross-border tax expertise for their clients—without hiring in-house teams. With dual UK (ACCA, ATT) and US (EA, CAA) tax qualifications plus 20+ years’ experience, I provide white-label tax support, CPD-accredited training, and advisory helplines so your firm can: Offer US tax services like ITIN, FIRPTA, and cross-border advisory under your own brand Train your teams with CPD/CE-accredited courses on US–UK tax, inheritance, and international mobility Access on-demand expertise via a white-label advisory helpline for complex client cases Whether you’re a mid-tier firm, Big 4 practice, or boutique private client firm, I help you retain clients, reduce risk, and deliver global tax solutions seamlessly. Let’s connect if you want to: Expand into US/UK tax without hiring costs Train your teams with practical, accredited tax CPD Access cross-border expertise on demand 1⃣ White-Label & Outsourced Support US & UK Tax Services Support your clients with US & UK tax needs under your brand: US & UK Tax Reporting Advisory Services ITIN (US Tax ID) applications FIRPTA withholding guidance Cross-border estate & IHT planning Get on-demand cross-border tax expertise when you need it: 2⃣ CPD/CE-Accredited Training for Accounting Firms Equip your teams with practical, accredited training on US/UK tax treaties, FATCA, IHT planning, and cross-border compliance. Delivered via webinars or in-house sessions CPD/CE accredited for accountants, tax advisers, and solicitors White-label option available for professional bodies and firms