
Harrison Swift
Expert US And UK Tax Advice
71-75 Shelton St, London, WC2H 9JQ, United Kingdomhttps://harrisonswift.com
Harrison Swift Overview
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Average Hourly Rate
- $20/hr
- Year Founded
- 2023
Led by qualified professionals including a US Enrolled Agent and UK Taxation Technician, Harrison Swift combines technical expertise with a highly personalized approach. The firm assists clients throughout the tax lifecyclefrom proactive planning and return preparation to complex disclosure procedures and communications with tax authorities such as the IRS and HMRC. By delivering tailored guidance and practical solutions, Harrison Swift helps clients minimize risk, maintain compliance, and make informed financial decisions across both jurisdictions.
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Harrison Swift Services
Accounting Expertise
- Financial
- Tax Preparation
Industries
- Finance
- Corporate Services
- Legal
Client Types
- Startups
Harrison Swift Reviews
Reviews from Google Maps are available on this profile.
Gave me great insights and advice. "Simon Watson's Review Sourced from Google
I came to Harrison Swift with a very complex cross-border tax situation, and Tom’s support was exceptional. I was genuinely losing sleep over the complexity, but his combination of deep US/UK tax expertise and the level of personal care he gave throughout made an enormous difference.Tom guided me through every step, brought in the right specialists when needed, and made the entire process feel manageable and well-controlled. Thanks to him, we reached a resolution I didn’t think was possible a few months earlier.If you’re dealing with anything complicated across jurisdictions, Tom is exactly who you want advising you. I couldn’t recommend him or Harrison Swift more highly. "James Howell's Review Sourced from Google
My wife and are I are very happy with the personal service we received with the team at Harrison Swift. We moved from the USA back to our home in the UK and had many complex international tax issues to resolve. Tom and his team at Harrison Swift have in depth experience of US and UK tax law and processes and were a perfect fit for our circumstances. They also have excellent relationships with other US-based professionals and we were connected with them when we needed help. Our tax liabilities and reporting to IRS and HMRC were clearly explained and we were guided through closing out tax returns and submissions and finally payments. The Harrison Swift team handled our engagement and confidential information with sensitivity and security and we recommend their services. "Paul and Val Kenny's Review Sourced from Google
Harrison Swift are excellent at managing complex tax situations in both the UK and the USA. They were amazing at sorting out a very complex mess in which I found myself. They made my horrible situation as painless as possible and happily referred other professionals when needed. I felt treated like family. They are lovely to work with and managed to recover several years of taxes that my past accountant had incorrectly advised me to pay. I highly recommend their services. "Doris King's Review Sourced from Google
Harrison Swift are a firm who know what they are doing, they helped me to navigate a very complex international tax situation professionally and honestly. They are not the cheapest option out there, but for the peace of mind that my taxes were done correctly with specialist expertise, it was worth it. "Rachel Cohen-Jackson's Review Sourced from Google
Harrison Swift Team Bios

Christopher Wills
Senior Manager
Associate Director at Harrison Swift

Courtney Griffiths
Director of Operations
Director of Operations at Harrison Swift - Private Client US/UK Tax Advisory

Samantha Harris
Senior Manager
Senior Manager at Harrison Swift

Paulina Mosiewicz
Assistant Manager
Assistant Manager at Harrison Swift


