---
title: "CASTLE Support and Development"
ocid: "ocds-h6vhtk-02d75c"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-02d75c"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-02d75c.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-02d75c.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "UK HYDROGRAPHIC OFFICE"
published: "2021-08-20"
---

# CASTLE Support and Development

Buyer: UK HYDROGRAPHIC OFFICE  
Current stage: Tender  
OCID: ocds-h6vhtk-02d75c

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-02d75c.json)

## Summary

The UK Hydrographic Office is seeking tenders for the project titled "CASTLE Support and Development," aimed at providing industry-specific software development services. The procurement is currently active, using an open procedure, with a total contract value of £1,000,000. This contract will support the existing bespoke application CASTLE for a duration of 5 years, including additional development and enhancement work. The tender period is set to end on 29th September 2021, and the service will be delivered in Somerset, UKK23 region. Interested parties should note that submissions must be written and submitted in English.

This opportunity presents significant potential for small or medium enterprises (SMEs) specialising in software development and support services. Businesses with expertise in bespoke applications, particularly in sectors related to defence or national agency operations, will find this tender aligned with their service offerings. Competing for this contract could enhance visibility and open doors for further projects, contributing positively to the growth of capable firms in the industry.

## Notice

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

### Lot Information

Lot 1

Support for bespoke and specialist application CASTLE used within the UKHO. The contract will also include additional development and enhancement work.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/020461-2021 |
| Notice type | Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | Not specified |
| 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 | Not specified |
| Recurrence | Not specified |

## Values

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

## Status

| Field | Value |
| --- | --- |
| Tender status | Active |
| Lots status | Active |
| 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 | TLK23 Somerset CC |

## 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 11:15 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/020461-2021

## Notice URLs

- http://www.gov.uk/ukho
- https://ukho.delta-esourcing.com/respond/CH6NG5JU9A
- https://ukho.delta-esourcing.com/tenders/UK-UK-Taunton:-Industry-specific-software-development-services./CH6NG5JU9A
- https://www.delta-esourcing.com/tenders/UK-UK-Taunton:-Industry-specific-software-development-services./CH6NG5JU9A

## 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-h6vhtk-02d75c. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-02d75c.json.