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Success Story

Delivering institutional quality investment solutions to individuals

By Ellie Lloyd Jones | January 13, 2026

WTW powers the investment engine behind atomos’ client portfolios — providing institutional quality investment capabilities for c8,000 clients in the UK wealth sector.
Investments
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atomos is a UK wealth management company that provides financial planning and portfolio management services to individuals and organisations.

Working with atomos, we're making breakthroughs that matter to individuals by offering investment solutions that are usually only available to large institutional investors. Such as access to broader investment opportunities and robust risk management. These benefits have historically led to better performance than peers in our portfolios.[1]

The challenge

Usually, people can't get the wide range of investment options that institutional investors have at a good price. High fees, narrow product sets and inconsistent outcomes can make it difficult to achieve long term financial goals. Historically, they haven't had access to WTW's institutional quality multi-asset investment solutions.

Wealth institutions are also facing ever-increasing regulatory requirements and scrutiny over whether they are providing consistent outcomes at a price point representing good value for the end investor.

The solution

We brought our experience and capabilities, built over many decades in occupational pensions, to atomos' individual clients. WTW leveraged its scale as a $175bn[2] investor to design an institutional quality investment solution, which is available to individuals through atomos' Model Portfolio Service (MPS) or pooled Multi-Asset Fund (MAF) implementation routes. This means individual investors can benefit from the depth and breadth of our global research engine. They can also access some strategies not normally available to individual investors as well as benefit from our scale to get the best value for money from underlying manager fees.

The impact

We're here to help atomos generate the savings outcomes their clients need whilst improving the planet and society for future generations.”

Mark Calnan | Head of Investments, Europe & International

Our strategic alliance with atomos enhances our ability to shape the needs and aspirations of savers in the UK. This is particularly important as individuals take increased responsibilities for their retirement through defined contribution schemes and personal savings. It also ensures that clients can receive the same high-quality outcomes in their personal savings as they have come to expect from us in occupational pensions for decades.

Specifically, individual investors benefit from better diversification, lower fees and more consistent outcomes, whether saving for retirement or building long-term wealth. It's the same standard of excellence we've delivered to occupational pensions for decades, now available to individuals too.

In 2024, WTW took a strategic minority stake in the atomos business. The two businesses continue to operate independently.

Risk warnings

  • This document is based on information available to Willis Towers Watson at the date of issue, and takes no account of subsequent developments
  • This material is intended for investors with long-term investment time horizons
  • The value of all investments and the income from them can go down as well as up. This means you could get back less than you invested
  • Changes in exchange rates may cause the value of investments to decrease or increase
  • Past performance does not predict future returns

Regulatory Disclaimer

Towers Watson Limited (trading as Willis Towers Watson) (Head Office: Watson House, London Road, Reigate, Surrey, RH2 9PQ) is authorised and regulated in the United Kingdom by the Financial Conduct Authority (FCA Register Firm Reference Number 432886, refer to the FCA register for further details) and incorporated in England and Wales with Company Number 05379716.

This material is based on information available to WTW at the date of this material or other date indicated and takes no account of developments after that date. In preparing this material we have relied upon data supplied to us or our affiliates by third parties. Whilst reasonable care has been taken to gauge the reliability of this data, we provide no guarantee as to the accuracy or completeness of this data and WTW and its affiliates and their respective directors, officers and employees accept no responsibility and will not be liable for any errors, omissions or misrepresentations by any third party in respect of such data.

This material may not be reproduced or distributed to any other party, whether in whole or in part, without WTW's prior written permission, except as may be required by law. In the absence of our express written agreement to the contrary, WTW and its affiliates and their respective directors, officers and employees accept no responsibility and will not be liable.

Footnotes

  1. "Performance of multi-asset model portfolios as at 30 September 2025." Return to article
  2. "Performance of multi-asset model portfolios as at 30 September 2025." Return to article

Contact


Ellie Lloyd Jones
Director, Wealth & Retail
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