Global Tax Consulting is a UK tax advisory firm for expats, digital nomads, non-resident landlords and internationally mobile professionals. It was founded and is led by Emma McDermott, ATT, a member of the Association of Taxation Technicians since 2020 and a published author in Tax Adviser magazine. We advise on UK tax residency and the Statutory Residence Test, split-year treatment, the FIG regime, UK tax returns for non-residents, capital gains on UK property and HMRC disclosures. All work is delivered online at a fixed fee agreed upfront, for clients in 50+ countries.
Served areas
- Worldwide
Business details
- Year established: 2023
- Licensed
- Insured
Highlights and features
- Specialist UK tax advice for expats and digital nomads worldwide
- Expert residency planning, split-year treatment and non-resident tax advice
- Fixed-fee UK tax returns and personalised international tax planning
- Recover overpaid PAYE and reduce unnecessary UK tax deductions
- Comprehensive UK property rental income and capital gains tax support
- Founder-led expertise with every submission reviewed by Emma McDermott, ATT
Associations and certifications
- Association of Tax Technicians
Payment methods
- Debit cards, Credit cards, Mobile payments, Bank transfers
Services
UK tax returns for expats worldwide, including the SA109 pages HMRC's own service won't file. Fixed fees, fully online, any timezone.
Not sure if you're UK tax resident? We review your days, ties and split-year position under the Statutory Residence Test and confirm it in writing. Fixed fees.
Fixed-fee international tax advice for individuals moving to or from the UK. Residence, double tax treaties and exit and entry planning.
Undeclared rental income? We prepare and submit your Let Property Campaign disclosure to HMRC from start to finish, including for landlords abroad. Fixed fee.
Offshore income, gains or accounts undeclared? We handle the full Worldwide Disclosure Facility process end to end, at a fixed fee agreed before we start.
Selling UK property while living abroad? Get your capital gains calculation, relief review and 60-day return handled by a specialist UK tax adviser.
People
Emma McDermott
Founder
Emma McDermott founded Global Tax Consulting in 2023 to give expats and digital nomads straight answers on UK tax. She has been a member of the Association of Taxation Technicians since 2020, has seven years experience in UK and international tax, and is published in Tax Adviser magazine on the UK/US Double Taxation Agreement.
Reviews (17)
Charlotte Howlings
Sep 04, 2026
Emma has been incredibly helpful in guiding me through the accounting requirements and rules around running my business abroad. She is highly knowledgeable, always quick to respond to queries, and explains everything clearly. Her advice and support have been invaluable, and I cannot recommend her highly enough.
Sunny Yu
Jun 01, 2026
Emma provided exceptional advice on my international tax position as a UK expat. She navigated complex areas including UK tax law and international treaties with clarity and precision. Her analysis was thorough, methodical and gave me exactly the strategic clarity I needed to make important decisions. Highly recommend GTC for anyone navigating expat tax planning.
Ned Merrick
Jan 21, 2026
Andy Whitaker
Nov 07, 2025
This was our first year utilizing Emma McDermott at Global Tax Consulting for our UK returns - and it will not be our last as we believe we have finally (after several years of seeking), found a UK tax preparer that we can trust, and that we can work with indefinitely.
We have a fairly complicated tax situation as we have to file in the UK and USA. We are also exploring potential residency in another country (still TBD).
Emma provided comprehensive advice and guidance in completing our UK returns and also liaised with our USA-based tax accountants to ensure that our returns were filed appropriately in both jurisdictions this year.
Emma was an absolute pleasure to work with on our returns. She is warm and friendly, incredibly responsive, and also endlessly patient when answering our many questions.
Emma is reassuringly knowledgeable on the intricacies of international tax reporting and has that very rare skill of being able to break complex tax regulations into easily digestible `bite-sized’ pieces. This was a much-needed skill when dealing with tax dummies like us.
We hope to be working with Emma for many years to come, and we wholeheartedly recommend her to anyone looking for UK tax preparation services, and/or for consulting services that will de-mystify the intricacies of your specific international tax obligations.
We have a fairly complicated tax situation as we have to file in the UK and USA. We are also exploring potential residency in another country (still TBD).
Emma provided comprehensive advice and guidance in completing our UK returns and also liaised with our USA-based tax accountants to ensure that our returns were filed appropriately in both jurisdictions this year.
Emma was an absolute pleasure to work with on our returns. She is warm and friendly, incredibly responsive, and also endlessly patient when answering our many questions.
Emma is reassuringly knowledgeable on the intricacies of international tax reporting and has that very rare skill of being able to break complex tax regulations into easily digestible `bite-sized’ pieces. This was a much-needed skill when dealing with tax dummies like us.
We hope to be working with Emma for many years to come, and we wholeheartedly recommend her to anyone looking for UK tax preparation services, and/or for consulting services that will de-mystify the intricacies of your specific international tax obligations.
Natasha C.
Jul 03, 2025
GTC and Emma are exceptional. Incredibly knowledgeable and experts in the field. Their client service and responsiveness are off-the-charts fantastic.
Some context - having been relocated for work, I was a Swiss expat for several years before returning home to the UK, resulting in fairly complex international tax and expat-tax matters. I can unequivocally and honestly say that I do not know where I’d be without Emma’s guidance and assistance. To say she removed a huge chunk of my stress is an understatement.
Emma is professional, extremely efficient, responsive and has the ability to patiently guide one through the myriad of tax issues and nuances with the utmost care, detail and consideration. She does this while ensuring that the outcomes are optimal and fully compliant.
I have taken complex international tax matters to Emma and she has not only guided me through the UK requirements, but also my advisors and colleagues in Switzerland, sometimes taking the time to speak to them directly to assist their understanding.
I wholeheartedly (and highly!) recommend Emma and GTC to anyone needing UK tax assistance or advice.
Some context - having been relocated for work, I was a Swiss expat for several years before returning home to the UK, resulting in fairly complex international tax and expat-tax matters. I can unequivocally and honestly say that I do not know where I’d be without Emma’s guidance and assistance. To say she removed a huge chunk of my stress is an understatement.
Emma is professional, extremely efficient, responsive and has the ability to patiently guide one through the myriad of tax issues and nuances with the utmost care, detail and consideration. She does this while ensuring that the outcomes are optimal and fully compliant.
I have taken complex international tax matters to Emma and she has not only guided me through the UK requirements, but also my advisors and colleagues in Switzerland, sometimes taking the time to speak to them directly to assist their understanding.
I wholeheartedly (and highly!) recommend Emma and GTC to anyone needing UK tax assistance or advice.
Lian Owen
Jun 17, 2025
Tssiuttd
Feb 19, 2025
Hasan Parvez
Sep 03, 2024
Jasmine Castro
Aug 30, 2024
I recently had the pleasure of working with Emma at Global Tax Consulting, and I must say she is truly amazing. From the moment I reached out to her for assistance, Emma exhibited a high level of expertise and professionalism.
Emma took the time to thoroughly understand my situation, addressing all my concerns with clarity and precision. What sets Emma apart from the other tax consultants I have worked with is her extremely friendly and personable approach and her communication. She made me feel at ease from the start and explained things in a way that was easy for me to understand and ensured that I was well-informed throughout the entire process.
Working with Emma has been a game-changer for me, and I genuinely wish I had found her sooner. I highly recommend Emma and Global Tax Consulting to anyone in need of expert guidance and a seamless tax consulting experience.
Emma took the time to thoroughly understand my situation, addressing all my concerns with clarity and precision. What sets Emma apart from the other tax consultants I have worked with is her extremely friendly and personable approach and her communication. She made me feel at ease from the start and explained things in a way that was easy for me to understand and ensured that I was well-informed throughout the entire process.
Working with Emma has been a game-changer for me, and I genuinely wish I had found her sooner. I highly recommend Emma and Global Tax Consulting to anyone in need of expert guidance and a seamless tax consulting experience.
Jamie Hall
Jul 26, 2024
Alex Burgess
Jul 14, 2024
I have had the pleasure of working with Emma from Global Tax Consulting for a while now, especially to navigate through a complex tax situation. Emma has been an invaluable asset in understanding and managing my tax affairs both in the UK and abroad. Her professionalism is unmatched, consistently demonstrating a quick response time to my queries and providing clear, concise advice. Her expertise and dedication have been instrumental in resolving my tax issues, making a potentially stressful process much smoother. I'm very pleased with the service provided and would recommend her to those looking for reliable tax consulting services.
Gemma Wood
Jun 04, 2024
I had a great experience with Emma and Global Tax Consulting. I have transitioned to freelance consultancy work as a digital nomad, as a British person working overseas. I received the expert advice I needed on my residency and tax status. The service is good value for money, efficient and clear - highly recommended!
Carlo Corsaro
May 07, 2024
I contacted Global Tax Consulting for an assessment of my international tax situation and got very useful and competent advice. They provided a written memo followed by a video call where they clarified any outstanding doubt. They have been very responsive and helpful throughout the process and definitely recommend them for anyone who's looking for advice on international tax issues.
Lisa
Apr 06, 2024
I enlisted Emma to prepare and submit my tax return for 2022 and 2023. She demonstrated exceptional expertise and professionalism. Despite my limited understanding of the UK tax system, Emma provided thorough explanations and promptly addressed my queries. I value her impressive turnaround time and plan to continue working with her in the future. I highly recommend her services.
David Vidal
Feb 23, 2024
I am very satisfied with the excellent service provided by Emma. She not only effectively resolved my expat tax issues but also demonstrated a strong commitment to her clients. Emma's timely responses to my emails and her deep understanding of international tax regulations greatly facilitated a complex process. Her dedication to optimizing my tax situation while ensuring full compliance was truly impressive. I am sincerely grateful for her professionalism and wholeheartedly recommend her to anyone seeking expert assistance with international tax matters. I am genuinely pleased with the service she provided.
Sam
Sep 11, 2023
Emma is an incredibly knowledgable advisor on multiple areas of tax, within multiple jurisdictions around the world. I've found the service to be extremely helpful when looking at relocating and assessing options around the globe. If you're looking for someone to advise you on tax matters, look no further!
George
Jul 14, 2023
I was a digital nomad this year and had decided I wanted to leave the UK and become a non-tax resident, I was overwhelmed with all the requirements and didn't fully understand it all. After working with Emma I now have list of requirements I need to meet based on my personal situation which I fully understand. She also helped with my P85 to get a NT (non tax) code which HMRC approved. Would happily work with again.