Established in 1994, SDS designs and writes specialist software applications for the residential housing sector. We are a friendly, creative, problem-solving company that uses our housing expertise and in-depth market knowledge to provide high quality software tools, excellent customer support, accredited training and professional services. We are best known in the UK for SDS ProVal, SDS Sequel and SDS Landval; the leading financial appraisal and project management packages used by over 250 housing associations, local authorities, private developers and consultants. For over twenty years, SDS has been supporting housing developers, both social and private, to help them to deliver more affordable housing. The SDS portfolio of products includes: Viability • Investment appraisal model: SDS ProVal • Residual land appraisal model: SDS Landval Management • Project and cashflow management: SDS Sequel • Online processes and procedures: SDS HDM Benchmarking • Online benchmarking club: SDS Catalyst Sales • Match properties to purchasers: SDS HomeMatch Stock • Strategic asset management: SDS Stock Profiler