# Technical Reslience CAS NAS

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

## Key facts

- Public buyer: [H M REVENUE &amp; CUSTOMS](/buyers/h-m-revenue-customs/contract-awards)
- Contract winner: [Posterity Milestone Consortium Limited](/contract-winners/posterity-milestone-consortium/public-sector-contract-awards)
- Award value: £383,200
- Tender value: £383,200
- Award date: 1 November 2025
- Published: 26 November 2025
- Contract start: 1 November 2025
- Contract end: 31 March 2026
- Stage: awarded
- Procurement category: services
- Notice ID: 818abc41-0617-48e0-aea7-f816e6f0390e-873682
- OCID: ocds-b5fd17-d60c8f86-4619-45fb-8f3b-dd7800630d39

## Description

HMRC require the services of a supplier to provide subject matter expertise and key deliverables to help set up and maintain cloud software and hosting services through project/programme management, detailed planning, dependency/stakeholder management and knowledge share/sharing of best practice\.

## Related contract awards

- [Qualitative and Quantitative Research Services for Making Tax Digital Under a Defined Term Agreement](/contracts/ocds-b5fd17-b99da6b8-e1b9-4c6d-82ff-ca2fe33a9e62): H M REVENUE &amp; CUSTOMS
- [NPS Clean Room and Hackathon Cloud Delivery and Technical Assurance](/contracts/ocds-b5fd17-52da6cca-2003-4123-9198-c2daf677a4b6): H M REVENUE &amp; CUSTOMS
- [Queensway House, East Kilbride - Multi Works Project - Main Works Contract](/contracts/ocds-b5fd17-702c4123-723f-4b50-ba2b-9f1b4ed85ca4): H M REVENUE &amp; CUSTOMS
- [CAS Proxy Migration](/contracts/ocds-b5fd17-282a2ad6-cc59-4b4d-b746-de4e7e4da8e9): H M REVENUE &amp; 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/818abc41-0617-48e0-aea7-f816e6f0390e-873682)
