International tax services for individuals in the UK

Navigating international tax laws can be complex, particularly for individuals with cross-border interests. At Jermyn & Co, we specialise in international tax planning and compliance, helping you manage your global tax obligations effectively while optimising your financial position.

Whether you’re an expatriate, non-domiciled individual, or have investments and income from overseas, our experienced team provides tailored advice to simplify the process and ensure full compliance with UK and international tax regulations.

Why Jermyn & Co?

Why Choose Jermyn & Co for International Tax Services?

Managing international tax requires a deep understanding of cross-border tax treaties, regulations, and planning opportunities. At Jermyn & Co, we offer:

  • Expert Cross-Border Tax Advice – Simplify complex international tax matters with our tailored guidance.
  • Tax Efficiency – Minimise your global tax liabilities through effective planning and the use of available reliefs.
  • Compliance Across Jurisdictions – Stay compliant with UK and overseas tax requirements, avoiding penalties and double taxation.
  • Personalised Strategies – Align your tax planning with your lifestyle, residency status, and financial goals.

With Jermyn & Co, you’ll have the confidence to manage your international finances with ease.

Global Tax Compliance

Tax Treaty Advice

Foreign Income and Assets

Cross-Border Wealth Planning

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Residency and Domicile Advice

Residency and domicile status significantly impact your tax obligations. We provide advice on:

  • Statutory Residence Test (SRT) – Determine your UK tax residency status and its implications.
  • Non-Domiciled Status – Understand how your domicile status affects your tax obligations and plan accordingly.
  • Remittance Basis Taxation – Explore whether the remittance basis is suitable for your overseas income and gains.
  • Cross-Border Relocation – Plan your move to or from the UK with expert advice on tax implications.

We’ll help you navigate these complex rules and ensure your tax position is optimised.

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What our clients say about their experience with us

Definitely worth 5 stars. Would highly recommend.Extremely helpful with both my personal and business accounts.


Willewhar via Google

I have been a customer for a number of years and am a very small company in terms of turnover. The service and guidance I have received over the years from the staff especially Karl has been fantastic! I am always late getting my books in but they always turn them around in double quick […]


Nicky via Google

I recently needed a remorgage to set up a new business. a friend recommended Karl. He advised my business with the right stucture, helped me with morgage very quickly. reliable service!


Ashley Wang via Google

Karl Jermyn has been my accountant for many years. He has always provided helpful, timely and accurate advice and has been a great support in managing the tax returns for our Trust.


Sarah Stallebrass via Google

Super efficient service, friendly staff and very professional. Highly recommended


Suzy Horth via Google

Carl and his team has been great doing our business accounts and self assessment. Always willing to answer any questions we may have and explain things if necessary. He always thinks about his clients needs and we are very happy for Jermyn & Co to be our accountants.


Linda Thorpe via Google

Great service – always friendly and willing to advise. Goes the extra mile for you which is lovely and much appreciated in this day and age.


Charles Grewcock via Google

Very good and reliable accountants , fast response and always there to help .Been using Karl Jermyn for more than 5 years and not planning to change soon .


Selena Andone via Google

Jermyn &Co are a friendly and helpful firm. Always accessible and willing to help.


Mark Cozens via Google

I have been a customer of Karl for some years now and have always found him and his team approachable, professional and friendly. All my questions and accounting issues are answered and dealt with quickly and he is always happy to help in anyway. I couldn’t recommend them enough.


Sue Hull via Google

Jermyn & Co

Frequently Asked Questions About International Tax

Non-domiciled individuals may have the option to pay UK tax only on UK income and gains, or on foreign income they bring into the UK. We’ll advise on the best approach for your circumstances.

The UK has tax treaties with many countries to avoid double taxation. We’ll help you understand and apply these agreements to reduce your tax liabilities.

The SRT determines your UK residency status for tax purposes based on factors such as time spent in the UK and your ties to the country. We’ll help you navigate this test and understand its impact.

Individuals with overseas income, assets, or dual residency status may require international tax advice to manage their obligations and optimise their tax position.

Our Accountancy Services

We offer a range of services to help you manage your finances and grow your business.

Why Jermyn & Co?

Why Choose Jermyn & Co for Your Accounts?

At Jermyn & Co, we’re more than just accountants – we’re your partners in success. Our accountancy services are designed to help you:

  • Stay Compliant – Ensure your financial records meet HMRC and Companies House requirements.
  • Save Time – Let us handle the numbers while you focus on growing your business.
  • Improve Efficiency – Streamline processes and reduce errors with expert support.
  • Plan for Growth – Use actionable insights to guide your financial decisions and achieve your goals.

With our proactive approach, you’ll gain the confidence and clarity you need to succeed.

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Why Jermyn & Co?

Why Choose Jermyn & Co for Business Tax?

Tax legislation in the UK can be complex and ever-changing, but with Jermyn & Co by your side, you’ll have access to expert advice and practical solutions.

Our services include:

With our expertise, you can focus on running your business while we handle the numbers. We’re committed to helping you stay ahead of deadlines and legislation changes.

Corporation Tax Compliance

VAT Services

R&D Tax Credits

Tax Planning and Advisory

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Why Jermyn & Co?

Why Choose Jermyn & Co for Personal Tax?

At Jermyn & Co, we understand that everyone’s financial situation is unique. Our personal tax services are designed to help you:

  • Optimise Tax Efficiency – Leverage allowances, reliefs, and deductions to minimise your tax liability.
  • Ensure Compliance – Stay on top of filing deadlines and HMRC requirements to avoid penalties.
  • Plan for the Future – Align your tax strategy with your long-term financial goals.
  • Simplify Tax Complexity – Let us handle the details so you can focus on what matters most.

From simple tax returns to complex financial arrangements, we provide expert advice and support tailored to your needs.

Proactive Tax Planning

Expert Guidance

Tailored Solutions

Stress-Free Compliance

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Why Jermyn & Co?

Why Choose Jermyn & Co for Corporate Finance?

At Jermyn & Co, we understand that every business is unique. Our experienced team offers a personalised approach to corporate finance, helping you:

  • Secure Financing – Access the funding you need for expansion, acquisitions, or working capital.
  • Plan for Growth – Develop tailored financial strategies to achieve your business objectives.
  • Manage Mergers & Acquisitions – Navigate complex transactions with confidence, from valuations to negotiations.
  • Optimise Financial Performance – Streamline processes, reduce costs, and maximise profitability.

Whether you’re a start-up seeking investment or an established business exploring new opportunities, we’ll provide the expert guidance you need to succeed.

Business Valuations

Mergers & Acquisitions (M&A)

Fundraising & Investment

Financial Modelling
& Forecasting

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Why Jermyn & Co?

Why Choose Jermyn & Co for HR Services?

At Jermyn & Co, we understand that every business is unique, and so are its HR needs. Our tailored HR services help you:

  • Stay Compliant – Meet the latest UK employment laws and regulations with ease.
  • Save Time and Resources – Let us handle the admin while you focus on growing your business.
  • Engage Your Team – Build a positive, productive workplace with our employee engagement solutions.
  • Grow with Confidence – Ensure your HR strategy aligns with your long-term business objectives.

Whether you need ongoing HR support or help with a specific issue, our experienced team is here to assist.

Payroll Management

HR Compliance

Employee Engagement & Retention

Training & Development

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Jermyn & Co

How We Help Individuals with International Tax

At Jermyn & Co, we provide more than just compliance – we offer strategic advice to help you manage your international finances effectively. Whether you’re relocating, investing overseas, or managing foreign income, our expertise ensures you minimise tax liabilities and stay compliant across jurisdictions.

By taking a proactive approach, we’ll help you avoid surprises, reduce costs, and protect your wealth, so you can focus on your global ventures with confidence.

Ready to Simplify Your International Tax?

Talk To Us

Schedule a free consultation to discuss your international tax needs.

Review and Plan

We’ll assess your global tax obligations and create a tailored strategy.

Achieve Results

Enjoy peace of mind with efficient, compliant, and optimised tax solutions.