SMS appoints Sean West as Chief Financial Officer

London, UK – 06 October 2025 SMS is pleased to announce the appointment of Sean West as Chief Financial Officer, bringing more than two decades of senior financial leadership across the infrastructure, real estate, and investment sectors.

Sean joins SMS following a distinguished career that has incorporated corporate finance, organisational transformation, and strategic financial management. Most recently, he served as Chief Financial Officer at Arqiva, where he led the company’s strategy, finance, and procurement functions and oversaw a period of organisational transformation, the group’s disposal of its mobile towers business, and the sale of the majority ownership of the group. Prior to Arqiva, Sean held senior financial roles at a number of organisations, including ICG and Landsec. He has also served for nearly a decade as Non-Executive Director and Chair of the Audit & Risk Committee at the Sovereign Network Group, contributing to governance and financial oversight at Board level.

Sean’s appointment follows the recent acquisition of SMS by global investment firm KKR, alongside the subsequent combination of SMS with Horizon Energy Infrastructure UK, Horizon Energy Infrastructure DE, Horizon Water Infrastructure, Smart Meter Assets, and related entities. As CFO, Sean will play a key role in the next phase of strategic delivery and operational integration across the group.

On the appointment, Tim Mortlock, Chief Executive Officer at SMS, said:

Sean’s appointment comes at an important time for SMS as we continue to build on our strong foundations and deliver against our long-term strategy. His extensive experience in financial leadership, capital markets, and infrastructure investment will be invaluable in ensuring SMS is well positioned for the future and able to play a leading role in supporting the UK’s net zero transition.

Sean West, Chief Financial Officer of SMS, added:

With the support of KKR, the Group is well-positioned to build on these strong foundations and pursue its next phase of growth. I am pleased to be joining as Chief Financial Officer and look forward to contributing to the continued development and success of the business.

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About SMS

SMS is a leading provider of smart energy solutions, delivering infrastructure and services that support the transition to net zero across the UK and Europe. Through its portfolio of companies, SMS works across metering, energy data, carbon reduction, and energy infrastructure investment.