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Your central point of access to information and downloads

This page is designed to provide customers with past information, reference points and downloads relating to the following products:

  • Quantum VS ERP
  • Charisma
  • Esprit
  • Merchant
  • Disys The Business Programme
  • ViaDuct
  • UniVision

General Contact and Location Information:

Sheffield Office

Milton Keynes Office

Runcorn Office

Product Support

For product specific Support you will find the appropriate Contact information listed, for the following applications, on one central applications Support page:

  • Quantum VS ERP
  • Charisma
  • Esprit
  • Merchant
  • Disys The Business Programme
  • Hardware & Ossupport
  • Vecta for Quantum VS Customers


UniVision – Client Server Database Technology

Click to view UniVision product information and Key Features.


ViaDuct Fx - Terminal Emulation and Multivalue Connectivity Tool

Click to view product information, Key Features and Q & A’s relating to Viaduct FX.

ViaDuct Fx

Historical Product Document Downloads

Access the most recent VAT notification documents for Merchant, Esprit, Disys The Business Programme and Charisma.

Download past VAT information

EDP Limited rebrands to Kerridge Commercial Systems

Combining our industry knowledge and expertise

Read more.

Pete Clegg, Sales Account Manager said of the rebrand: “We have grown from a business with sixty people to an organisation with more than 850 and are now part of a strong global brand.”