# CASTLE Support and Development

> Tender notice from UK public-sector procurement sources.

## Key facts

- Public buyer: [UK Hydrographic Office](/buyers/uk-hydrographic-office/contract-awards)
- Tender value: £1,000,000
- Published: 20 August 2021
- Planned start: 25 October 2021
- Planned end: 25 October 2026
- Stage: open_tender
- Procurement category: services
- Notice ID: fc8ecfe4-2a1c-4e4c-8c06-8db4a4626f49-462208
- OCID: ocds-b5fd17-ea5d2177-e74b-4a95-ab10-7a6d394e10f9

## Description

Support for existing bespoke application CASTLE for a period of 5 years with additional development and enhancement work\.

## Related contract awards

- [End User Computing Hardware](/contracts/ocds-b5fd17-fc95b894-d49a-4eb7-a3cd-b319918866c1): UK HYDROGRAPHIC OFFICE
- [Developer Secure Coding Platform](/contracts/ocds-b5fd17-80a5f6b6-1c12-4c32-9806-c411f30ac901): UK HYDROGRAPHIC OFFICE
- [Security Operations Services](/contracts/ocds-b5fd17-06117621-6632-4889-b009-a22384181ebe): UK HYDROGRAPHIC OFFICE

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/fc8ecfe4-2a1c-4e4c-8c06-8db4a4626f49-462208)