Making your complex world clear. Wherever you are.

As your trusted wealth management partner, we’re transforming the financial journey of US and UK High and Ultra High Net Worth clients worldwide.

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Do you have an investable portfolio
of more than $/£1,000,000?

If so, let's talk.

Thank you for your interest in joining MASECO

Based on your response, our services are not the right fit for you at this time. If your circumstances change, please do get in touch.

Attention

We want to make you aware of recent attempts by fraudsters to impersonate members of our team and our business. Your security is extremely important to us, so please remember that MASECO Private Wealth will never contact you out of the blue, and we will never request payments or sensitive information via WhatsApp or any other social media platform.

 

If you ever receive a message or call that doesn’t feel quite right, we encourage you to reach out to us directly using the contact details found here: https://masecoprivatewealth.com/contact or please report any suspicious activity to: [email protected]

 

 

We develop partnerships, for the long-haul

  • $5.1bn Assets under management* $5.1bn Assets under management*
  • 2008 Partnership founded 2008 Partnership founded
  • 74 Financial awards** 74 Financial awards**
  • 92% Net Promoter Score*** 92% % Net Promoter Score***
City landscape

Guiding your wealth across borders and generations

For US or UK citizens living overseas, we are uniquely positioned to provide tailored services that simplify your unique multi-jurisdictional wealth needs.

  • Unparalleled US/UK wealth management knowledge
  • US/UK tax efficient investment strategies
  • FCA authorised and regulated, and SEC registered
  • US, UK and Offshore custody options
  • Multi-currency investment options ($,€,£)
  • Ability to advise on US products (529 plans, Trusts, UTMAs, IRAs etc.)
  • Ability to advise on UK products (SIPPs, ISAs, Offshore Bonds etc.)
  • Thought leadership in US/UK wealth planning
  • Evidence based, systematically active investment philosophy

Best of All Worlds™

Throughout our journey we have listened to, and worked with, thousands of families to enable them to make choices on how they can live their best life.

We have gathered that data and experience and created a three-part program to help our families live a rich and thriving life.

We call it: Best of All Worlds™.

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How we invest

Our academically driven approach guides us at every point in the investment process. It enables us to focus on financial science to build strategies that emphasise factors of the market that research shows have delivered higher returns over time.

Our investment philosophy

Research

The funds we deploy apply rigorous research, leveraging academic insights and quantitative models to uncover market inefficiencies and identify robust investment opportunities.

Application

Next, we apply these insights by constructing diversified portfolios that are tailored to each clients’ specific goals and risk profiles, ensuring alignment with your long-term financial objectives.

Implementation

Finally, we focus on meticulous implementation, utilising bespoke technology and best practice to execute strategies tax-efficiently and cost-effectively. Through this disciplined and evidence-based approach, we strive to deliver consistent, superior outcomes for you and your family.

Our families

Over the past fifteen years, MASECO has reinvented the relationship between US, UK and global families and their global wealth.

US Families living in the UK

The majority of our clients pay US taxes, so our core focus is building portfolios with your distinct, complex financial needs in mind.

Globally minded US Families

Streamline your world with unparalleled investment strategies and multi-jurisdictional tax intelligence from experienced private wealth and investment managers.

UK Families living in the US

With SEC registration, MASECO stands ready to guide you and your family through the complexities of relocating to the US, with the support of our experienced wealth managers.

Globally minded UK Families

Our global network of product providers, professionals and tax efficient investments connects clients to world renowned resources.

Doing well by doing good

MASECO’s mission is to make a difference. We operate on the guiding principle that the future of wealth management is intrinsically linked to a sustainable future for all. We believe in sustainability’s potential to be a powerful driver of innovation, growth, resilience, and competitive advantage.

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Book an appointment

We believe collaboration begins with a conversation. To book your introductory conversation with a MASECO financial advisor, please click on the button below to select an available time and date using the calendar.

Let's talk

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If you have a portfolio valued at $/£1,000,000 or more and would like a complimentary consultation regarding your personal financial situation, please complete the form below. A member of our team will be in touch with you shortly.
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Other ways to contact us

If you have questions, a specific enquiry, or would like to request more information, please contact our client services team via the web form.

[email protected]

(UK) +44 (0) 207 043 0455
(US) +1-888-MASECO1

The Kodak Building
11 Keeley Street
London WC2B 4BA

* Assets under management as at 31 March 2026.
** The firm participates in industry award programmes relating to the provision of its investment services and in connection therewith the firm may be required to pay an administration fee for the submission of its application. Where such payments are made, they will be nominal in value and will not be in exchange for any form of guarantee or promise that the firm will receive the award for which it has applied. The firm only participates in award programmes where there is an independent panel of judges.
*** Net Promoter Score is a measure used to gauge customer loyalty, satisfaction, and enthusiasm with a firm, calculated by asking customers one question: “On a scale from 0 to 10, how likely are you to recommend MASECO to a friend or colleague?” The NPS score displayed on this page represents the average 12-month score from 1 April 2025 to 31 March 2026.

Experience the Best of All Worlds™

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