United Infrastructure's Connected business has been awarded a major national framework by Cornerstone, the UK's leading digital infrastructure service provider, to deliver maintenance across more than 16,000 telecoms sites.

The contract, which begins in May 2026, covers planned preventative maintenance and reactive repairs across the UK, including Northern Ireland and the Scottish Highlands and Islands.

The telecoms estate under this agreement supports mobile connectivity for millions of people, businesses, and essential public services in urban, rural, and hard-to-reach areas.

Andy Train, Chief Network Officer at Cornerstone, said: "Safety, resilience, quality and assurance were central to our decision-making. United Infrastructure demonstrated clear alignment with our safety-first culture and the operational discipline required to maintain the UK's largest passive infrastructure network, enable 5G rollout and enhance future connectivity ambitions.

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"This framework cements a foundational part of our strategy to maintain and enhance the UK’s critical national infrastructure and is central to how we protect our people, our customers, our partners, our landlords and the communities our sites serve, every day."

Under the framework, United Infrastructure will collaborate with Cornerstone to improve operational efficiency, streamline reporting, refine milestone tracking, and maintain the company’s high standards for health, safety, and secure site access. The company has also pledged to create new apprenticeship roles across both field and office-based functions, supporting talent development in the telecoms sector.

Scott MacGregor, Managing Director of Connected at United Infrastructure, said: "We are extremely proud to have been selected by Cornerstone as their sole partner for this UK-wide maintenance programme. This framework reflects the strength of our business and our shared commitment to ensuring the reliability, resilience and future-readiness of the nation's digital infrastructure.

"We look forward to working collaboratively with Cornerstone to enhance their network through smarter reporting, streamlined delivery and a focus on sustainable, long-term asset performance."