# CAS Proxy Migration

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: [H M REVENUE & CUSTOMS](/buyers/h-m-revenue-customs/contract-awards)
- Contract winner: [Posterity Milestone Consortium](/contract-winners/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 \(RM1557\.14\)

## Related contract awards

- [NPS Clean Room and Hackathon Cloud Delivery and Technical Assurance](/contracts/ocds-b5fd17-52da6cca-2003-4123-9198-c2daf677a4b6): H M REVENUE & CUSTOMS
- [Queensway House, East Kilbride - Multi Works Project - Main Works Contract](/contracts/ocds-b5fd17-702c4123-723f-4b50-ba2b-9f1b4ed85ca4): H M REVENUE & CUSTOMS
- [Payments Tracing](/contracts/ocds-b5fd17-0a68b758-e05c-4252-9cde-f8bb31a14c22): H M REVENUE & CUSTOMS
- [Technical Reslience CAS NAS](/contracts/ocds-b5fd17-d60c8f86-4619-45fb-8f3b-dd7800630d39): H M REVENUE & CUSTOMS
- [Professional Services: Client Side Delivery Partner to Support Initial Beta Stage, NDR Reforms Programme](/contracts/ocds-b5fd17-1f4b4d99-9141-4981-bcdb-9ecb05324ac4): Valuation Office Agency
- [Professional Services: Client Side Delivery Partner to Support Alpha-to-Beta and Beta Stages NDR Reforms Programme](/contracts/ocds-b5fd17-20edbc1d-b9ac-4904-8ca7-cc5f32e4ef29): Valuation Office Agency

## Source

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