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Optimise Accountants are International tax specialists helping British and American expats remain compliant with the US Internal Revenue Service (IRS) and UK HMRC

I help US–UK expats avoid double taxation by fixing residency, entity and investment structures.

  • Home
  • Contact Us
    • Book a Sales Call
    • Book a Tax Call
    • About Us
  • US Tax Forms
    • Get an ITIN
    • W-8BEN Form (individuals)
    • W-8BEN-E Form (Companies)
    • 15% FIRPTA Tax Selling US Real Estate Property
    • Form 5471 Foreign CFCs
    • Streamlined Filing Compliance Procedures – File US Back (Late) Taxes
  • UK/US Taxes
    • US vs UK Income Tax
    • US UK Income Tax Treaty – Avoid Double Taxation Cross Border
    • Tax Returns & Refunds when leaving the UK
    • Filing US Taxes When Leaving the United States
    • Taxes for Brits moving to the US
  • Company Formation
    • US Company Formation
    • UK Company Formation
  • Strategic Partners
    • UK Wealth Managers with American Clients
    • U.S. Wealth Managers with British Clients
    • US & UK Tax Accounting Firms
    • Recruitment Agencies & Contractors
    • US Realtors with British Clients
  • About Us
  • Home
  • Contact Us
    • Book a Sales Call
    • Book a Tax Call
    • About Us
  • US Tax Forms
    • Get an ITIN
    • W-8BEN Form (individuals)
    • W-8BEN-E Form (Companies)
    • 15% FIRPTA Tax Selling US Real Estate Property
    • Form 5471 Foreign CFCs
    • Streamlined Filing Compliance Procedures – File US Back (Late) Taxes
  • UK/US Taxes
    • US vs UK Income Tax
    • US UK Income Tax Treaty – Avoid Double Taxation Cross Border
    • Tax Returns & Refunds when leaving the UK
    • Filing US Taxes When Leaving the United States
    • Taxes for Brits moving to the US
  • Company Formation
    • US Company Formation
    • UK Company Formation
  • Strategic Partners
    • UK Wealth Managers with American Clients
    • U.S. Wealth Managers with British Clients
    • US & UK Tax Accounting Firms
    • Recruitment Agencies & Contractors
    • US Realtors with British Clients
  • About Us

Expat Legal Wills in Minutes not Hours



Optimise Accountants are International tax specialists helping British and American expats remain compliant with the US Internal Revenue Service (IRS) and UK HMRC

I help US–UK expats avoid double taxation by fixing residency, entity and investment structures.

  • Moving to Spain
  • International Tax
  • Optimise Accountants
  • UK Property Accountants
  • UK Limited Company

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Specialist US–UK Expat Tax Planning for High-Income Professionals & InvestorsLogo Header Menu
  • Home
  • Contact Us
    • Book a Sales Call
    • Book a Tax Call
    • About Us
  • US Tax Forms
    • Get an ITIN
    • W-8BEN Form (individuals)
    • W-8BEN-E Form (Companies)
    • 15% FIRPTA Tax Selling US Real Estate Property
    • Form 5471 Foreign CFCs
    • Streamlined Filing Compliance Procedures – File US Back (Late) Taxes
  • UK/US Taxes
    • US vs UK Income Tax
    • US UK Income Tax Treaty – Avoid Double Taxation Cross Border
    • Tax Returns & Refunds when leaving the UK
    • Filing US Taxes When Leaving the United States
    • Taxes for Brits moving to the US
  • Company Formation
    • US Company Formation
    • UK Company Formation
  • Strategic Partners
    • UK Wealth Managers with American Clients
    • U.S. Wealth Managers with British Clients
    • US & UK Tax Accounting Firms
    • Recruitment Agencies & Contractors
    • US Realtors with British Clients
  • About Us