Fortress Secure helps organisations establish an OFFICIAL-SENSITIVE secure digital environment quickly, giving teams access to UK sovereign cloud infrastructure. This enables you to bring your own applications or select from our pre-approved applications and collaboration tools from the outset.

Designed for high-assurance programme delivery, Fortress Secure supports specialist workloads including BIM, PLM, CAD, CAFM, PMO, secure DevSecOps, software development, digital twins, augmented reality and extended reality. It enables engineering teams, software developers, programme managers and delivery partners to begin productive critical work.
Remove Mobilisation Barriers Before They Delay Delivery
Winning a contract is only the beginning. Before delivery can start, organisations often need to establish secure infrastructure, deploy specialist applications, onboard users, provide partner access and complete assurance activity. Each step can add time, increase programme risk and put critical milestones under pressure.
Fortress Secure reduces that friction by providing an established UK sovereign secure cloud environment designed for secure application hosting, secure DevSecOps, collaboration and programme delivery from the start.
What Fortress Secure Enables
Accelerate Secure Programme Start-Up
Establish a secure delivery environment sooner through a productised platform that reduces mobilisation delay, simplifies onboarding and removes unnecessary infrastructure complexity.
Deliver Secure Application Hosting
Provide teams with controlled access to more than 200 approved engineering, digital engineering and business applications, supporting design, modelling, programme management and delivery activities within a governed cloud environment.
Support Secure DevSecOps
Enable secure software development, testing and deployment through a controlled DevSecOps environment that supports continuous delivery while maintaining governance, assurance and operational control.
Strengthen Supply Chain Collaboration
Bring customers, Government departments, Defence organisations, SMEs and delivery partners into a common assured environment, improving collaboration without requiring every organisation to build and maintain its own secure infrastructure.
Protect Sovereign Information
Protect Protectively Marked information, programme data, approved applications and intellectual property through UK-owned and UK-operated sovereign cloud infrastructure that keeps services under UK jurisdiction.
What Customers Achieve from Fortress Secure
Faster mobilisation
Reduce the time between contract award and productive delivery by using an established OFFICIAL-SENSITIVE secure digital environment.
Lower delivery risk
Avoid delays caused by building secure cloud infrastructure, deploying specialist applications and onboarding users from scratch.
Controlled application access
Support BIM, PLM, CAD, CAFM, PMO, secure DevSecOps, software development, digital twins, augmented reality and extended reality through approved applications.
Secure collaboration
Give internal teams, customers, suppliers and delivery partners access to a common assured environment.
Sovereign assurance
Keep programme data, applications, intellectual property and services under UK jurisdiction.
Why Prolinx
Programme Mobilisation by Design
Fortress Secure is shaped around the realities of establishing secure delivery environments quickly, helping organisations reduce mobilisation delay without compromising governance, usability or assurance.
Productised for Rapid Deployment
Repeatable deployment models, fully managed services and access to approved applications reduce implementation time, simplify onboarding and help organisations begin secure delivery sooner.
UK Sovereign by Design
As a UK-owned and UK-operated provider, Prolinx protects programme data, approved applications, secure DevSecOps environments, engineering workloads and intellectual property under UK jurisdiction while providing the assurance required for secure programme delivery.
Engineering Excellence
Our security-cleared engineers combine technical expertise with practical operational understanding, helping organisations overcome complex application hosting, cloud, collaboration and delivery challenges while maintaining control across secure environments.
Ready to Establish Your OFFICIAL-SENSITIVE Programme Environment?
Whether you need to mobilise a new programme, modernise existing services or provide secure access to specialist applications, Fortress Secure gives you the trusted UK sovereign cloud foundation to begin delivery with confidence.
