# CAS Proxy Migration

> A sourced UK public sector contract award published by H M REVENUE & CUSTOMS.

## Key facts

- Buyer: [H M REVENUE & CUSTOMS](/buyers/h-m-revenue-customs/contract-awards)
- Supplier: [Posterity Milestone Consortium](/suppliers/posterity-milestone-consortium/public-sector-contract-awards)
- Award value: £3,000,000
- Tender value: £3,000,000
- Award date: 1 April 2026
- Published: 30 April 2026
- Contract start: 1 April 2026
- Contract end: 31 March 2027
- Stage: awarded
- Procurement category: services
- Notice ID: ccb82b52-7f54-4526-b424-a356e303d82d-895529
- OCID: ocds-b5fd17-282a2ad6-cc59-4b4d-b746-de4e7e4da8e9

## Description

This contract is to provide specific and in depth support to HMRC enabling data migration from legacy data infrastructure to the cloud\. This is a call off contract from G-Cloud 14 \(RM1557\.14\)

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/ccb82b52-7f54-4526-b424-a356e303d82d-895529)