UK, US & International Tax
Trusted advice
International expertise
Practical solutions
About Blackstone Tax Advisors
We advise high net worth and ultra-high net worth individuals, internationally mobile financial services professionals, senior business leaders, entrepreneurs, wealthy families, owner-managed businesses as well as media and sports, on complex tax matters with an international dimension.
From compliance to cross-border structuring, residence, property, investments, business interests and succession planning, we provide clear, practical advice tailored to each client’s circumstances.
Our approach is personal, responsive and commercially focused. We take the time to understand the full picture before delivering robust tax advice designed to support both immediate needs and long-term objectives.
UK Tax
Comprehensive UK tax compliance and advisory for businesses and individuals from self-assessment returns to complex HMRC enquiries and offshore reporting.
US Tax
Specialist US tax advice for US citizens, green card holders, expats and cross-border businesses including FBAR, FATCA and IRS compliance.
International Tax
Cross border tax planning, treaty analysis and international compliance for mobile individuals, multinational operations and globally connected families.
Accounting & Compliance
Reliable accounting, statutory reporting and regulatory compliance accurate, timely, and built around the specific needs of your business.
VAT & Payroll
Efficient VAT registration, returns and payroll services keeping your business compliant and running smoothly without the administrative burden.
Private Client Advisory
Bespoke tax and financial planning for high-net-worth individuals and families covering wealth structuring, estate planning and complex international positions.
London
Rooted in the heart of London
Located on Regent Street, we sit at the centre of London’s business and financial community. Our West End presence places us close to the clients we serve and connected to the professional networks that matter.
Whether you are based in London, relocating internationally or managing cross-border affairs from abroad, our Central London base means we are always accessible — in person, by phone, or virtually.
Why clients choose Blackstone
Specialist Expertise
Deep, focused knowledge in UK, US and international tax built over years of advising clients with complex, cross border lives and businesses.
Personal Approach
Direct access to a senior advisor who knows your case. No call centres, no handoffs to juniors just consistent, informed, personal service.
Global Perspective
Advisory built for internationally mobile clients. We understand the full complexity of cross border life residency, domicile, treaties and everything in between.
Frequently Asked Questions
Questions we hear most often.
What types of clients do you work with?
Do you handle both UK and US tax?
How is Blackstone different from a typical accountant?
Is it easy to switch from my current accountant?
How quickly do you respond to client queries?
How do I get started?
Get in Touch
How can we help?
We are here to assist with your tax and accounting needs. Send us an enquiry and one of our advisors will be in touch within one business day.
Office
3rd Floor, 207 Regent Street London, W1B 3HH
PHONE
+44 (0)20 3888 1234
enquiries@blackstonetaxadvisors.co.uk