Legacy System Support

Control System Downtime

If you can’t replace your old IT system, you need reliable legacy system support to avoid problems with security, performance, ongoing costs and much more. As a valuable asset to your business, we will ensure your end-of-life system performs consistently.

Bridge Skills Gap

Could you to replace your legacy developer quickly, or would your business be exposed? We train multiple developers through our online academy, so there will always be someone on hand when you need help.

Keep Your Business Safe

You must keep your business systems safe. Unsupported software is highly vulnerable to a cyber-attack. Our experienced team will reduce the likelihood and impact of a security compromise.

Software Modernisation

Upgrading your legacy system is more affordable and achievable than you might think. We can speed up the performance of your software, give it a modern look, move it to the latest technology and integrate third-party applications to increase its functionality. Click here to find out more about legacy system modernisation.

Some of the Legacy Systems We've Supported

CRM Systems

PSP’s technical team will keep your legacy CRM running reliably to avoid disruption. Our dedicated support teams are always on-hand to provide friendly, hands-on assistance to ensure your issues are diagnosed and repaired straight away.

ERP Systems

Does your business rely on an outdated enterprise resource planning (ERP) system? Our legacy experts have more than 30 years of experience managing and maintaining ERP systems used for large-scale business operations.

Membership systems

For more than a decade, we've provided third-party legacy system support for two large chartered institutes with 100,00 members combined for their membership and exam management systems.

Data Warehouse

A legacy database can be susceptible to data breaches and it's also difficult to extract data quickly in an easy-to-read format. We can develop your legacy data warehouse so it can provide you with instant and accurate data in the format you need it.

Finance Systems

When it comes to finance, sometimes it appears easier to stick to the tried and tested methods. Our support ensures regulatory compliance and strong security within your legacy finance system.

Visual Basic 6

Our experience in VB 6 includes an integrated management workspace management system (IWMS) for a company that operates 174 sites across Europe. We support their system through technical support and error diagnosis.


Our development team has experience in supporting and developing e-commerce sites and back-end systems built using both supported and EOL PHP releases.


PSP has extensive knowledge across the .NET platform; developing new systems on the latest releases, and supporting web and desktop applications on unsupported versions.

SharePoint Intranet

SharePoint is the most commonly used document management system in the world. As well as supporting older versions of the platform, we have also developed new SharePoint sites and migrated all data across.

Why Organisations Choose PSP

Specialist Knowledge

Instant Availability

SLA-Driven Approach

Future-Proof Legacy System

"We can't fault the quality"

"Excellent service, great communication at all times and PSP makes you feel like a valued customer. PSP has developed our bespoke ERP system, we can't fault the quality of their work. It's been a great experience doing business with the team at PSP."

Ben Southall, Operations Director, Furncare

Our Work
Energy Broker CRM

Energy broker CRM that compared energy prices and automated a significant chunk of administration workload....

Infrastructure and IT review saves client £300k in cost

Our outsourced IT Management service substantially reduced a global awarding body's yearly IT costs....

NEBOSH Online Marking Software

Automated web-based assessment marking software that automatically allocates papers and tracks the status of every asessment that’s out for marking....

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Where to find us

We'd love to welcome you into our office! We're only 20 miles north of Peterborough, conveniently just off the A16.

Carver House
Apex Court, Elsoms Way
PE11 3UL