Nationwide Building Society, the world’s largest building society with more than 17 million customers, has been a leading force in banking innovation across the UK.
As part of its wider technology strategy, Nationwide sought to modernise its workplace environment ahead of Windows 10 end-of-support timelines, while also improving scalability, security, and operational efficiency through a more cloud-based approach.
With a large and diverse technology estate including over 23K devices, 3,200 Citrix VDI environments, and over 1,000 business-critical applications, Nationwide partnered with TCS to support the planning, migration, deployment, and operational readiness activities required for the transformation.
TCS teams supported the programme across deployment services, technical operations, offshore support, testing coordination, and migration activities, working alongside Nationwide engineering and business teams throughout the programme lifecycle.
The programme involved managing a complex enterprise environment within demanding timelines, requiring close coordination across multiple technology and business functions.
Key challenges included:
Delivering the transformation ahead of Windows 10 end-of-life deadlines.
Nationwide adopted a phased migration approach to transition from legacy Windows 10 devices to a secure, cloud-managed Windows 11 environment using Microsoft Autopilot and Intune.
Working collaboratively with Nationwide engineering teams, TCS supported multiple stages of the programme, including:
The combined approach enabled Nationwide to accelerate rollout activities while maintaining governance, security, and business continuity requirements.
The modern workplace transformation delivered measurable operational and user benefits, including:
The programme also established a scalable foundation to support Nationwide’s continued workplace modernisation strategy and broader digital transformation ambitions.
The success of the programme reflected the strength of the long-standing partnership between Nationwide and TCS, combining Nationwide’s strategic technology vision and engineering leadership with TCS’s delivery and operational support expertise.
Through close collaboration across teams, the transformation was delivered at pace while maintaining a strong focus on customer service continuity, operational resilience, and the employee experience. The programme also established a scalable foundation to support Nationwide’s continued workplace modernisation strategy and broader digital transformation ambitions.
Customer Quote
Nationwide Building Society’s Windows 11 transformation is a strong example of how modern workplace technology can help financial services organisations move at pace while strengthening security, improving operational efficiency and enhancing the employee experience. By adopting a cloud-managed Windows 11 environment using Microsoft Intune and Autopilot, Nationwide has created a more scalable, secure and resilient workplace foundation for its colleagues and customers. The collaboration between Nationwide and TCS has been central to delivering this programme successfully — combining Nationwide’s technology vision with TCS’s delivery and operational expertise to support a smooth migration across a complex enterprise estate, including branch locations, physical devices and virtual desktop environments. We’re proud that Microsoft & TCS are helping underpin Nationwide’s continued workplace modernisation and broader digital transformation ambitions.
Chad Cracknell
Microsoft Client Director – Nationwide Building Society & Virgin Money