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Prior notice United Kingdom Services

Atlas and Immigration Caseworking Market Engagement

Buyer: Home Office

Published
26 June 2026
Estimated value
£280,000,000
Place of performance
UK
Lots
1
Notice number
060518-2026
Reference
ocds-h6vhtk-06b45b
Official source
Official source

CPV codes

Description

Atlas & Immigration Caseworking is the Home Office’s business-critical system used by caseworkers to manage the processing of visa and asylum applications. It also provides operational functionality for Border Force and Immigration Enforcement. The system has a requirement to 24 hours a day, 7 days a week availability, with updates and enhancements continually delivered to enhance functionality and capabilities. It underpins a range of critical national priorities and a significant amount of continuous improvement work driving strategic outcome delivery from the Caseworking Capability. The objective is a re-procurement to replace the following two incumbent contracts: • Atlas Caseworking Asylum • Atlas Caseworking Non-Asylum This new procurement is intended to replace the withdrawn procurement for Atlas Caseworking (Asylum & Non-Asylum) whose market engagement was conducted in March 2025 as itt_81818 under the GCA Technology Services 3 framework. Both those contracted services cover and provide Development and Level 3 Support to the Atlas Caseworking platform, a containerised Open-source Java microservice application deployed into AWS, which orchestrates workflow following Business…

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Frequently asked questions

What is the estimated value of this tender?
The estimated value published by the buyer is £280,000,000.
Who is the buyer of this tender?
The contracting authority is Home Office (United Kingdom).
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Data collected from official public procurement sources. Amounts as published by the buyer.