---
title: "CASTLE Support and Development"
ocid: "ocds-b5fd17-ea5d2177-e74b-4a95-ab10-7a6d394e10f9"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-ea5d2177-e74b-4a95-ab10-7a6d394e10f9"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-ea5d2177-e74b-4a95-ab10-7a6d394e10f9.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-ea5d2177-e74b-4a95-ab10-7a6d394e10f9.json"
source: "Contracts Finder"
current_stage: "Tender"
buyer: "UK HYDROGRAPHIC OFFICE"
published: "2021-08-20"
---

# CASTLE Support and Development

Buyer: UK HYDROGRAPHIC OFFICE  
Current stage: Tender  
OCID: ocds-b5fd17-ea5d2177-e74b-4a95-ab10-7a6d394e10f9

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-ea5d2177-e74b-4a95-ab10-7a6d394e10f9)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-ea5d2177-e74b-4a95-ab10-7a6d394e10f9.json)

## Summary

The UK Hydrographic Office is currently seeking tenders for the project titled "CASTLE Support and Development," which involves providing support for the bespoke CASTLE application over a five-year period, along with additional development and enhancement work. This tender falls under the industry's software development services category and has a total contract value of £1,000,000. The procurement method is an open procedure, with the tender submission deadline set for 29 September 2021. The services are to be delivered in the South West region of the United Kingdom, with the contract expected to commence on 25 October 2021 and conclude on 25 October 2026.

This tender presents a significant opportunity for businesses specialising in software development services, particularly Small and Medium-sized Enterprises (SMEs), to engage in a lucrative long-term project. Companies proficient in bespoke software solutions and application support would be particularly well-suited to compete for this contract. Additionally, businesses that can demonstrate a track record of working on similar projects and possess the capability for ongoing development and enhancement are encouraged to participate in the tender process, potentially leading to substantial business growth in the public sector.

## Notice

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

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/fc8ecfe4-2a1c-4e4c-8c06-8db4a4626f49 |
| Notice type | Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 20 Aug 2021 |
| Submission deadline | 29 Sep 2021 |
| Future notice date | Not specified |
| Award date | Not specified |
| Contract period | 24 Oct 2021 - 25 Oct 2026 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £1,000,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Active |
| Lots status | Not specified |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UK HYDROGRAPHIC OFFICE |
| Locality | TAUNTON |
| Post town | Taunton |
| Postcode | TA1 2DN |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK6 North Somerset, Somerset and Dorset |
| ITL 3 | TLK62 Somerset |
| Local authority | Somerset |
| Electoral ward | Taunton East |
| Westminster constituency | Taunton and Wellington |
| Delivery location | TLK South West (England) |

## CPV Codes

### Divisions

- 72 - IT services: consulting, software development, Internet and support

### Codes

- 72212100 - Industry specific software development services

## Release History

- 20 Aug 2021 at 09:20 - Tender - Tender Notice - https://www.contractsfinder.service.gov.uk/Notice/fc8ecfe4-2a1c-4e4c-8c06-8db4a4626f49

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/fc8ecfe4-2a1c-4e4c-8c06-8db4a4626f49
  20th August 2021 - Opportunity notice on Contracts Finder
- https://www.delta-esourcing.com/tenders/UK-UK-Taunton:-Industry-specific-software-development-services./CH6NG5JU9A
  Please follow this link to view the notice.

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-ea5d2177-e74b-4a95-ab10-7a6d394e10f9. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-ea5d2177-e74b-4a95-ab10-7a6d394e10f9.json.