United Infrastructure Win Contract to Maintain Cornerstone’s UK Mobile Masts
Mobile infrastructure company Cornerstone (CTIL), which was originally established as part of a UK network sharing agreement between O2 (Virgin Media) and Vodafone (Vantage Towers), has awarded construction company United Infrastructure the contract to maintain their national network of 16,000 telecoms (mast) sites.
The agreement means that United Infrastructure, specifically its ‘Connected’ business, will become the “sole provider” of planned preventative maintenance and reactive repairs across CTIL’s telecoms sites nationwide, including Northern Ireland and the Scottish Highlands and Islands.
As part of the framework, United Infrastructure said they will also work closely with Cornerstone to deliver “greater operational efficiency, enhancing visibility, streamlining reporting and refining milestone tracking” across the network, while not sacrificing any existing standards for health, safety and secure site access across. The company will further aim to create new apprenticeship roles across both field and office-based functions.
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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.
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.”
Scott MacGregor, MD 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.”
The framework for this is currently set to begin in May 2026.
Mark is a professional technology writer, IT consultant and computer engineer from Dorset (England), he also founded ISPreview in 1999 and enjoys analysing the latest telecoms and broadband developments. Find me on X (Twitter), Mastodon, Facebook, BlueSky, Threads.net and Linkedin.
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