About the author

Matthew Rees

Matthew returned to the NAO in 2021 to lead our Commercial Insights team, having previously overseen our work on the government’s corporate finance activities.

His commercial experience spans Big Four audit and valuations, global investment banking and as a non-executive director and audit and risk committee chair in an energy sector consultancy.

Matthew represents public sector issues as a co-opted member of the Institute of Chartered Accountants in England and Wales (ICAEW) Council. Matthew left the NAO in March 2025.

NAO publications

  1. Regulation post-EU exit: what are the key issues?

    Insight Opinion

    Published on:

    We brought together experts on regulation and Britain’s relationship with Europe to discuss the issues facing regulators following the UK’s exit from the EU.   

  2. Supporting better value in public procurement

    Insight Opinion

    Published on:

    The NAO’s good practice guide for managing the commercial lifecycle The government’s response to the COVID-19 global pandemic has drawn renewed, and possibly unprecedented, attention to public procurement and commercial practice in government. Our aim at the NAO is to provide an independent and evidence-based perspective, on how public authorities can achieve better outcomes and value […]