US & UK Tax Articles

  Reduce double taxation, stop PFIC surprises, and align UK pensions and US filings—without losing client control. US CPAs, EAs, and fiduciary advisors want to keep British-origin clients—but UK pensions, ISAs, and rental income create timing and reporting traps that risk penalties and erode trust. UK/US timing mismatches, PFIC filings, and new residence-based IHT rules are easy to misapply. You worry about “missing something UK-specific” that costs clients money. British clients deserve advice that respects both tax systems—without duplication. Optimise Accountants works behind the scenes with US advisors. Led by Simon Misiewicz FCCA ATT EA MBA, we align HMRC and IRS positions so you lead with confidence. Plan / Roadmap Discovery call (your client stays yours). Dual-jurisdiction map: income, timing, and treaty positions. Documentation pack: elections, forms, reconciliations. Quarterly check-ins; annual filing support. Rules & What Changed (2025) Remittance basis...

  Watch the video Summary American clients in the UK face a maze of HMRC/IRS rules. HMRC’s March 2024 update to INTM163160 tightened treatment of pension lump sums for US residents. PFIC rules make ISAs, OEICs and VCTs hazardous. This post outlines practical steps for UK wealth managers to reduce tax drag, avoid penalties, and safeguard client outcomes. Who this applies to UK wealth managers, IFAs, and accountants advising US citizens/green card holders in the UK, UK nationals moving to or investing in the US, and family offices coordinating dual filings. Why this matters now HMRC’s compliance yield rose 22.7% to £4.1bn in 2023–24, and offshore enforcement has recovered £3.2bn+ since 2010. FATCA/CRS data sharing means US/UK authorities already see the accounts—mistakes are rarely invisible. Key cross-border friction points Pensions and INTM163160 (Mar 2024): Clarifies how lump-sum pension benefits can be taxed when the recipient is US-resident. PFIC exposure: Most UK fund...

  Investing in buy-to-let property in the UK can be a great way to generate rental income, but it comes with several tax obligations and considerations. Here’s a breakdown of the key UK tax considerations at each stage of your investment: Purchase Stamp Duty Land Tax (SDLT) : You’ll need to pay an additional 3% surcharge on top of the standard SDLT rates when purchasing a second residential property. Legal and Professional Fees : These costs cannot be deducted immediately but may reduce your capital gains when you sell. Rental Income Income Tax : Rental income is subject to income tax based on your tax bracket (20%, 40%, or 45%). You can deduct certain expenses (e.g., maintenance, insurance, agent fees) to reduce your taxable income. Section 24 Mortgage Interest Cap : This limits how much mortgage interest you can deduct as an expense, phasing it out to only allow a 20% basic rate credit. Higher-rate taxpayers face a significant impact. Sale Capital Gains Tax (CGT) : On the sale of...

Imagine waking up one day to find that a large portion of your wealth has been shaved off due to sudden changes in  UK tax policies .  The  Labour Party  has just introduced reforms that could drastically increase  Capital Gains Tax , raise  corporation tax , and, worst of all, impose a brand-new  wealth tax . You could be hit hard if you’re a high-net-worth individual or an executive with significant assets. Your retirement plans, investments, and business may no longer be as secure as you thought. These new  UK tax changes  could leave you feeling cornered, with limited options to preserve your hard-earned wealth. But what if you knew how to protect yourself before it’s too late? Now, picture a different scenario: You're an executive considering moving from the UK to Spain. Spain’s tax system might seem daunting at first, but compared to the new  UK tax regime , it could be a saving grace. Although Spain has high personal income taxes,...

  Moving to the United Kingdom (UK) from the United States  can be an exciting transition, offering a new cultural experience and career opportunities. However, for Americans considering this move, it’s crucial to understand the tax implications that arise from living and working abroad. Navigating the UK and the US tax systems can be complex, as both countries have distinct tax laws and reporting requirements that need to be managed effectively. One of the key considerations for US citizens is that the United States imposes taxes based on citizenship, not residency. This means that even after relocating to the UK, Americans are required to file annual tax returns with the  Internal Revenue Service (IRS)  and report their worldwide income. However, the  Foreign Earned Income Exclusion (FEIE) ,  Foreign Tax Credit (FTC) , and  tax treaties  between the two countries can help prevent double taxation. These mechanisms allow you to either exclude a po...

  Moving from the UK to the United States is an exciting opportunity for career advancement, lifestyle change, or personal reasons. However, before making the leap, it’s essential to understand the tax implications you’ll face on both sides of the Atlantic. As a British citizen relocating to the US, you’ll have obligations to both the UK’s   HM Revenue & Customs (HMRC)   and the US’s   Internal Revenue Service (IRS) , which can make tax planning more complex than expected. One of the key considerations is  your tax residency status . Once you establish residency in the US, you may still be liable for UK taxes on certain income, particularly if you continue to have assets, investments, or property in the UK. The UK has a  Statutory Residence Test , which helps determine if you are still a UK tax resident after leaving. In addition, even if you are no longer a UK tax resident, income from UK sources like rental properties will still be subject to UK tax. ...

  Over the past few years, a growing number of people in the UK have decided to trade the rain-soaked streets of London, Manchester, and Birmingham for the sun-drenched beaches of Spain. Whether it’s the lure of a better lifestyle, more favourable tax regimes, or a deep-seated frustration with the UK’s political and economic climate, Brits are relocating in droves. But why are so many people leaving the UK for Spain? Let’s explore the main reasons behind this significant trend. I have moved from Nottingham, UK, to Marbella, Spain. All the subjects I am about to write about are important to me and my wife, Louise. In summary, we wanted a country that could provide us with a warm climate, good food and a better way of life. I love to walk my dog and like the fact that I know I can do so in the sun, most of the time. I also love coffee, I know it is not great for my health, but it is an absolute pleasure to sip away on a delightful beverage whilst taking in the sights of the sea lappi...