Environment Agency · pre deployment

Regulatory Guidance Assistant

"An AI Assisted search and retrieval tool for regulatory guidance documents."

Publicly known

  • Owner: Environment Agency
  • Vendor: Hitachi Solutions Europe Ltd

Undisclosed

  • Model architecture
  • Model performance benchmarks
  • Training data provenance

Who is actually being paid

Hitachi Solutions Europe Ltd

04924233

Role

Hitachi Solutions: Discovery, development and testing of solution plus 50/50 split in delivery management DDTS: Delivery management

Procurement procedure

The solution uses incumbent technologies available within Defra, primarily based on Azure cloud and MS Power Platform infrastructure, aligned with Defra CCoE best practice. Programme-level commercial arrangements with Hitachi, under the broader SERP contract, provide industry expertise in roles such as cloud architecture, data engineering, UR, UX, UI, content design, software development expertise and test capabilities, which is leveraged via specific outcomes-based Statements of Work for deploying the RSP Compliant project capabilities specifically.

Data access terms

All individuals involved in the build work held the appropriate Security Check (SC) clearance. The data sources used—limited to approved SharePoint locations and Content Cloud repositories—were authorised by the responsible Deputy Director prior to use. All material ingested or processed was at Official‑Sensitive (OS) or lower classification and already publicly available. At no stage were third‑party developers given access to personal data, sensitive information, or any form of Personally Identifiable Information (PII/PIII).

Verified at Companies House · checked 4 November 2026

Registered as HITACHI SOLUTIONS EUROPE LTD · Active · incorporated 2003

View on the register

Source: ATRS record · last updated Thu Sep 03 2026