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Carillion – Full Turnkey Support for FTSE100

Empowering Carillion with a Microsoft-Centric Shared Services Platform

Client Overview

Carillion, once a FTSE 100 powerhouse, was a global leader in construction, infrastructure maintenance, and facilities management. With a portfolio spanning high-profile government contracts and international projects in the Middle East, Canada, and the Caribbean, Carillion was synonymous with scale and complexity. Despite its prominence, the company faced significant financial challenges, leading to its liquidation in 2018.

In the midst of this challenging environment, Carillion needed an IT solution to power its Central Government contracts—a solution that would demonstrate the same ambition and innovation as the company itself.

The Challenge

Carillion set out to create a shared services platform capable of serving over 200,000 users across multiple clients. Their vision required:

  • Uncompromising Security: Aligning to IL3 & IL5 government security standards for sensitive data.
  • Reliability and Resilience: Achieving 99.99% availability across three data centres with real-time replication.
  • Flexible Environments: Supporting development, testing, pre-production, and production operations.
  • Fast Delivery: Meeting aggressive timelines without sacrificing quality or compliance.

Initially partnering with a “Big 5” consultancy, Carillion encountered critical design flaws that threatened project success. They turned to Cased Dimensions for a solution.

The Solution

Cased Dimensions, leveraging Microsoft’s cutting-edge technologies, stepped in to redesign, implement, and deliver a future-proof platform. Through close collaboration with Carillion, they ensured every aspect of the solution met stringent requirements for security, scalability, and operational excellence.

Key Innovations

    1. Robust and Secure Infrastructure:
      • Enhanced existing data centres to exceed IL3 compliance standards.
      • Designed structured LAN and WAN networks with labelled cabling for streamlined management and remote support.
      • Partnered with BT to resolve dark fibre challenges, ensuring seamless inter-data-centre connectivity.
    2. Enterprise-Grade IT Services:
      • Comprehensive server and storage management, including virtualisation, backups, and disaster recovery with bi-annual testing.
      • Managed a 24x7x365 service desk aligned with ITIL best practices, supporting incident, problem, and change management.
      • Provided email and database services with high availability and performance optimisation.
    3. Operational Excellence:
      • Delivered ongoing support for all technologies from network layers to databases, ensuring 24/7 availability.
      • Implemented real-time security monitoring with a third-party PEN tester for continuous compliance.
      • Established service validation and testing to guarantee quality before deployment.
    4. Rapid Time-to-Market:
      • Delivered the platform redesign, procurement, and deployment within eight months, significantly accelerating the project timeline.
    5. Scalable Shared Services Model:
      • Built a future-proof platform to support 200,000+ users, providing economies of scale while ensuring seamless service delivery across multiple government contracts

Microsoft-Centric Themes

    • Security and Compliance: Ensured IL3 compliance using Microsoft’s robust best practices.
    • Collaboration and Integration: Seamlessly integrated Microsoft technologies with third-party services for a unified platform.
    • Scalability and Agility: Designed a scalable infrastructure to support future growth and evolving client needs.
    • Operational Efficiency: Enhanced user satisfaction through a highly efficient Microsoft-aligned service desk.

Results and Impact

Cased Dimensions delivered transformative results for Carillion:

    1. Accelerated Delivery:
      • Delivered the entire solution in just eight months, ensuring rapid time-to-market for government contracts.
    2. Exceptional Availability:
      • Achieved a 99.99% uptime, powered by real-time replication across three data centres.
    3. Enhanced Compliance:
      • Fully aligned the platform to IL3 standards, with additional IL5 compliance achieved for centralised data.
    4. Streamlined Operations:
      • Simplified IT management through structured networks and a resilient service architecture.
    5. Scalable and Secure Platform:
      • Supported over 200,000 users, enabling a flexible shared services model that balanced scalability with security.

The solution’s success prompted Carillion to extend the same model to its Middle East operations, including Dubai.

Client Testimonial

“Cased Dimensions gave us a safe pair of hands to deliver and manage a turnkey environment. Their expertise in Microsoft technologies and commitment to delivering a secure, compliant solution allowed us to meet our contractual obligations quickly and efficiently.”
— CIO, Carillion 

Conclusion

Cased Dimensions’ partnership with Carillion showcased the power of innovation, precision, and collaboration. By delivering a secure, scalable, and highly available IT platform within tight timelines, Cased Dimensions enabled Carillion to focus on what they did best—delivering on ambitious government contracts. 

This success story demonstrates how the right technology and expertise can empower organisations to thrive in even the most challenging circumstances. 

Ready to transform your IT infrastructure? Let Cased Dimensions help you build a solution for the future.