The Probation Service · production

Effective Proposal Framework

"The Effective Proposal Framework (EPF) is a digital tool used by Probation Practitioners at pre-sentence stage and as part of pre-release planning. It is used to identify requirements, licence conditions and interventions for individuals based on their risk and need profile."

Publicly known

  • Owner: The Probation Service
  • Vendor: Ctrl O

Undisclosed

  • Model architecture
  • Model performance benchmarks
  • Training data provenance

Who is actually being paid

Ctrl O

08826252

Role

The supplier (Ctrl O) developed LinkSpace as a customer configurable data management tool. The design of the algorithms and decision-making logic is defined by the customer (The Effective Targeting Team). As with any changes made to the Tool e.g, the algorithm or the way interventions are shortlisted are based on the legislation and policy and Ctrl O support the Effective Targeting Team to configure LinkSpace to meet that requirement. That is, Ctrl O’s role is to take the Effective Targeting Team’s lead and direction in terms of configuration and development. Ctrl O developed the platform LinkSpace, which hosts the EPF tool as a customer configurable data management tool. This means that whilst Ctrl O, an external provider, hosts the platform, it is the Probation Service who decides how the tool should work in terms of the logic that guides the algorithm. For example, it is the Probation Service who decides under what circumstances an accredited programme requirement shortlists as an eligible option. The Probation Service decides what the eligibility criteria is for the intervention and then Ctrl O’s role is to configure the EPF tool accordingly.

Procurement procedure

EPF was procured competitively as a ‘call-off from a framework’ – CCS G-Cloud.

Data access terms

This is set out in the contract and supplier staff with access to data hold Security Check Clearance. The supplier has access to all data contained within the system which is required as part of the hosting and maintenance arrangements.

Verified at Companies House · checked 4 November 2026

Registered as CTRL O LTD · Active · incorporated 2013

View on the register

Source: ATRS record · last updated Mon Feb 10 2025