Move your system's data with confidence
Data migration is often one of the most complex and high-risk parts of any technology change. Whether you’re replacing legacy systems, moving to the cloud, or consolidating platforms, ensuring your data moves accurately and securely is critical.
PDMS provides a structured, end-to-end Data Migration Service that ensures a seamless transition from legacy systems, on-premise platforms or third-party solutions to your new environment.
Our specialist team manages the entire migration lifecycle from discovery and data mapping through to extraction, transformation, validation and post-migration support. The result is a carefully controlled process that protects data integrity, minimises disruption and ensures compliance with relevant regulations.
With over 30 years of experience delivering complex migrations across public and private sectors, we understand the risks involved and plan for them. Our proven methodologies help avoid common challenges such as data loss, system downtime and compatibility issues, ensuring your new system is operational with accurate, trusted data from day one.
How we help
Our approach combines technical expertise with careful planning and clear communication, ensuring your migration runs smoothly and predictably.
End-to-end migration management
We manage the full process from initial discovery and planning through to post-migration validation
Faster project timelines
Proven tools and processes help accelerate delivery without compromising quality
Minimal business disruption
Phased execution and careful planning reduce operational impact
Future-ready data foundations
A scalable approach that supports ongoing digital transformation and system evolution
Assured data quality
Robust validation and reconciliation checks to ensure data integrity and completeness
Compliance ready
Migration processes align with GDPR and other relevant regulatory requirements
Risk mitigation
Our experienced team anticipates and manages risks such as loss, corruption or unauthorised access
Clear communication
Stakeholders receive transparent reporting, documentation and updates throughout the migration
Our migration approach
Every migration begins with a clear understanding of your systems, data structures and business requirements. We then apply a structured methodology designed to deliver a secure, predictable transition. Our service includes:
Discovery Workshops
To understand your systems, data landscape and migration goals
Data Mapping
Documentation defining how data will be transformed and moved
Detailed Planning
A detailed migration plan outlining scope, timelines and milestones
ETL Processes
Extraction, transformation and loading using secure migration
Data Reporting
Data validation and reconciliation reporting after migration completion
UAT Testing
User acceptance testing support to confirm systems and data are working as expected
Comprehensive Handover
Comprehensive handover to your internal teams
Training and Q&A
Optional training and Q&A sessions to ensure teams are confident using the new system