DEF is a software house, developing packaged and bespoke applications for both the public and private sector.
We offer our Public Sector clients a growing suite of products encompassing the departments of Planning, Building Control and Highways to name but a few. Our reputation in this area is one of the very best in Britain – we are passionate about what we do which is reflected in the year on year growth of our client list alongside the progressive expansion of our product group.
Within the Private Sector markets, DEF delivers across the areas of consultancy, software development, product representation and equity investment. Our experience and brand has brought us many opportunities and we’re always eager to talk.



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