This new collaboration explores next-generation edge cloud solutions to address the UK’s growing need for secure, scalable and sustainable digital infrastructure.
Cornerstone today announced a partnership with Stonesthro, a UK-based edge cloud provider, and Zadara, a global leader in fully managed cloud services, to explore new ways of bringing compute and data closer to where they are created and used.
The partnership aims to provide solutions for national challenges, from improving data sovereignty and security to supporting low-latency AI applications and strengthening the UK’s digital backbone.
By combining Cornerstone’s national infrastructure, Stonesthro’s sovereign edge capability and Zadara’s cloud technology, the partnership will examine how edge computing can unlock new performance, sustainability and resilience benefits across industries.

Solving for the UK’s next phase of digital transformation
As demand for data-intensive and AI-driven services grows, organisations across sectors, including public sector, healthcare, finance and critical national infrastructure, face mounting pressure to balance latency, sovereignty, scalability and sustainability.
This partnership aims to provide solutions that:

A partnership focused on UK innovation
“This partnership brings together three complementary strengths: national infrastructure, digital innovation and artificial intelligence, to explore how the UK can build greater trust and resilience into its digital systems. It’s about finding practical solutions to some of the UK’s most pressing connectivity and compute challenges.”
Pat Coxen, CEO, Cornerstone
“By combining the flexibility of edge with the assurance of UK sovereignty, we have an opportunity to redefine how organisations approach performance, compliance and sustainability in the cloud.”
Ashley Sellar, CEO, Stonesthro
“We are proud to partner with Cornerstone and Stonesthro to expand access to Zadara-powered sovereign AI clouds. Together, we are enabling UK organisations to build scalable and secure IT foundations that unlock the power of AI while ensuring resilience and digital sovereignty.”
Yoram Novick, CEO, Zadara
Driving innovation through collaboration
The collaboration reflects a shared commitment to strengthening the UK’s position as a leader in digital infrastructure, ensuring that the next generation of cloud and AI services are secure, scalable and sustainable by design.
By uniting connectivity, compute and security at the edge, the three organisations will help create the conditions for a smarter, safer and more resilient digital future for the UK.
For media enquiries, please contact media@cornerstone.network.
About Stonesthro
Stonesthro, powered by Cornerstone, is a UK-based sovereign neutral edge cloud provider that enables UK organisations to deploy high-performance compute close to where data is generated. Its micro-edge cloud platform delivers low-latency, distributed and hybrid-ready infrastructure for applications across AI, IoT, telecoms and critical national services.
About Zadara
Zadara is a leading provider of sovereign AI edge clouds offering a revolutionary distributed cloud platform that simplifies operational complexity and enables seamless multi-tenancy through automated end-to-end provisioning of compute, storage, and networking. With over 500 cloud locations worldwide and with the ability to deploy a cloud in any location, Zadara’s clouds are uniquely positioned to meet the unique demands of various cloud-based use cases, including sovereign cloud and AI inference at the edge for service providers and the modern enterprise. Zadara clouds are AWS compatible and feature consumption-based pricing with zero data egress fees. Zadara’s fully-managed clouds are designed to accommodate any workload, anywhere – whether on-premises, hybrid, multi-cloud or at the edge. Zadara operates worldwide with a highly skilled team that provides 24/7 follow-the-sun support and services. Zadara is headquartered in Irvine, California.