BAMBRIDGE | ACCOUNTANTS

Two Decades of International Tax Experience

For over 20 years, we’ve helped individuals, families and businesses navigate US, UK and international tax. Our approach is personal, considered and built around understanding the full picture, so you can make confident decisions wherever your affairs take you.

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US + UK SPECIALISTS / CLIENTS WORLDWIDE / ESTABLISHED 2010 / AUTHORISED US E-FILING

Proven over time.

Bambridge was founded to serve clients whose lives and businesses span the US, the UK and beyond.

Our growth has followed our clients built on specialist knowledge, careful hiring and lasting relationships.

  • 2010 London

    Founded in London to advise on US–UK cross-border tax matters.

  • 2015 New York

    Opened our New York office to better serve US clients and their advisers.

  • 2018 California

    Established West Coast presence to support clients across the US.

  • 2021 US e-filing authorisation

    Authorised by the IRS to file US individual returns electronically.

  • Today Clients worldwide

    Advising individuals, families and businesses across the world.

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Regulated expertise

Our team includes chartered, licensed and certified accountants with deep experience of IRS and HMRC practice. We work to the highest professional and ethical standards.

US filing authority

Authorised by the IRS to file US individual returns electronically. We stay ahead of filing requirements and technology so clients remain compliant and protected.

Award recognition

Recognised in Spear's Wealth Management Index. Named by the Financial Times as one of the UK's fastest growing professional services firms.

Technical education

Continuous investment in US and UK tax training, legislative updates and treaty knowledge. We translate complexity into clear, practical advice.

OUR CREDENTIALS AND CLAIMS ARE VERIFIABLE. REFERENCES AVAILABLE ON REQUEST.

Expertise across the whole picture.

  • International personal tax
  • Business and sole trader tax
  • Residency and domicile
  • Dual citizens and expatriates
  • Foreign income and investments
  • Property and capital gains
  • Trusts, estates and family wealth
  • Reliefs, treaties and foreign tax credits
  • Filing, catch-up and disclosures
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$71M+

matters reviewed

Complex cross-border tax matters analysed and resolved for our clients.

82,780+

returns and filings

US, UK and international returns prepared and filed with care.

830+

businesses supported

Founders, entrepreneurs and established businesses advised.

AS FEATURED IN

  • CNN
  • FINANCIAL TIMES
  • THE GUARDIAN
  • THE INDEPENDENT
  • FORBES
  • THE WASHINGTON POST

EXPERIENCE ACROSS LEADING ORGANISATIONS

  • PWC
  • APPLE
  • NETFLIX
  • BBC
  • GOOGLE
  • J.P. MORGAN
  • NATIONAL GEOGRAPHIC
  • META

Our Team.

Senior oversight remains visible throughout your work with us.

  • Alistair Bambridge

    Lead Partner
    US + UK International Tax Planning & Advisory

  • Callie Stewart

    US Tax Partner

  • Anna Heery

    Growth & Technology Partner

  • Jessica Welhenage

    Executive Assistant

“Bambridge understands the complete US and UK picture. They anticipate issues before they arise and make complex tax matters feel seamless. We trust their judgement implicitly.”

PRIVATE CLIENT, ENTREPRENEUR

Clear guidance and exceptional service across our US and UK affairs.

US + UK TAXATION

Practical, commercial advice that keeps our global business moving.

INTERNATIONAL BUSINESS TAX

They made our residency and day counting straightforward and stress-free.

RESIDENCY PLANNING

How our expertise is maintained.

Ongoing professional education and technical research keep our advice current and precise.

01

Monitor

We monitor legislative and authority updates in the US, UK and key jurisdictions.

02

Interpret

We analyse treaties and jurisdictional interaction to understand the real world impact.

03

Review

Our technical conclusions are peer and senior reviewed for quality and accuracy.

04

Explain

We translate complexity into plain-language advice you can act on with confidence.

Tax Intelligence

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Small choices now. Better outcomes later.