Dandelaion

HMT · beta pilot

Policy Engine UK

"PolicyEngine UK is an open-source microsimulation model of the UK tax and benefit system. The model estimates tax liabilities and benefit entitlement in the Family Resources Survey dataset from given policy parameters and structures. HMT does not currently use PolicyEngine."

Publicly known

  • Owner: HMT
  • Vendor: PolicyEngine (supplier of the open-source tool)

Undisclosed

  • Model architecture
  • Model performance benchmarks
  • Training data provenance

Who is actually being paid

PolicyEngine (supplier of the open-source tool)

15023806

Role

PolicyEngine provides the open source code for the model. No contract was procured as such, but PolicyEngine had developed the majority of the code and representatives from the organisation were consulted on its use a number of times.

Procurement procedure

N/A

Data access terms

N/A

Verified at Companies House · checked 4 November 2026

Registered as POLICYENGINE LTD · Active · incorporated 2023

View on the register

Source: ATRS record · last updated Tue Dec 17 2024