About RNTFS
RNTFS is a dedicated professional firm delivering tailored tax and financial solutions to individuals and businesses across borders. We specialise in complex U.S.–UK tax matters, combining deep technical expertise with a practical, client-focused approach.
Our team brings extensive experience from leading global firms, including PwC and Deloitte, and is highly skilled in U.S.–UK cross-border tax compliance for high-net-worth clients, global mobility tax services, and ongoing financial management. We support our clients with clarity, confidence, and precision in an increasingly complex regulatory environment.
Comprehensive Compliance
Detailed tax and regulatory support for individuals and businesses navigating international borders.
U.S. Tax & Compliance
We provide comprehensive U.S. tax compliance and advisory services, including the preparation of complex foreign U.S. tax forms:
- Form 2555 – Foreign Earned Income Exclusion
- Form 1116 – Foreign Tax Credit
- FBAR (FinCEN Form 114) and FATCA (Form 8938)
- Form 5471 – Foreign Corporations Information Returns
- Form 3520 / 3520A – Foreign Trust & Gifts Filing
- Streamlined Filing Compliance Procedures
UK Tax & Compliance
We deliver end-to-end UK tax and accounting services for high net worth individuals and businesses, including:
- UK Self-Assessment tax return preparation
- Tax planning for expatriate individuals
- Business tax return & Corporation Tax
- Accounts preparation, VAT, and Payroll
- Regulatory support (HMRC & FCA registrations)
- Specialist advice on UK remittance rules
Why Choose RNTFS?
We combine global-firm standards with a boutique, personalized approach.
Qualified Experts
Our team includes ACCA-qualified accountants and IRS-enrolled agents with in-depth knowledge of both U.S. and UK tax systems.
Tech-Driven
We work with industry-leading platforms such as Xero, QuickBooks and Sage to deliver accurate and efficient services.
Personalised
We take the time to understand each client's circumstances, tailoring our advice to deliver a smooth experience.
Technology Partners
Certified partners with leading financial platforms to ensure your data is accurate and secure.
