DecisionSoft is a small company based in Osney Mead (near Oxford Railway Station) developing XML processing tools. They have provided Compsoc with significant sponsorship and hope to benefit from the association by having a pool of motivated and fast learning students to recruit from. They are especially interested in Compsoc members undertaking vacation work which could lead on to permanent employment.

Many Compsoc members have been employed by Decisionsoft, including at least two Presidents.