---
title: "SCYLLA 2A Interim"
ocid: "ocds-h6vhtk-06bd28"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06bd28"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06bd28.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06bd28.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "SUBMARINE DELIVERY AGENCY"
published: "2026-07-07"
---

# SCYLLA 2A Interim

Buyer: SUBMARINE DELIVERY AGENCY  
Current stage: Award  
OCID: ocds-h6vhtk-06bd28

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## Summary

The Submarine Delivery Agency, a central government authority based in Bristol, UK, is overseeing a procurement process entitled "SCYLLA 2A Interim" in the defence and security industry. The current status of this contract is marked as complete following a direct award to L3Harris MAPPS Ltd. The procurement process aimed to address key issues from previous trials with unmanned underwater vehicles, a critical component of naval operations. The contract period is set from 1st September 2026 to 31st March 2027, and involves works with an allocated gross amount of £4,500,000. The project benefits from strategic collaborations under the AUKUS Pillar II programme and leverages prior work with the US Navy to ensure systems interoperability.

This tender represents a significant opportunity for large-scale defence contractors, particularly those with expertise in naval technology and underwater exploration services. Businesses that can offer innovative solutions within the context of defence technology, particularly those capable of collaborating on international defence projects, would find this contract beneficial for growth. The procurement strategy of direct award reflects a preference for suppliers with pre-existing experience and intellectual property rights related to naval trials, as demonstrated by L3Harris MAPPS Ltd. Companies aiming to enter into or expand within the UK defence sector could view such opportunities as stepping stones for expanding their portfolios and enhancing their credentials in high-profile government partnerships.

## Notice

This contract will cover the activities required to resolve key issues identified during the previous trial carried out by the supplier, and prepare the hardware for any future trials should the authority decide to proceed. This contract is for 6 months to resolve outstanding issues from the previous trials, and expertise from Trials 1A and 1B are required to resolve this. Any work for future trials will include pre-market engagement and if any potential suppliers are identified then a competition will be held.

### Procurement Information

L3Harris have already delivered trials 1A and 1B, and are therefore the only supplier with the ability to resolve the outstanding snagging issues and ensure the US Navy and UK Navy SAFECAP are aligned. This requirement is also required for in year delivery, therefore current SQEP'd personnel are required to be able to deliver this in this short timeframe, with experience of the 1A and 1B trials. Currently this work has already been proven in the US, therefore, this single source award exploits the efforts made by the US Navy in this area. The capability must be interoperable and interchangeable with the US Navy and therefore must use the same AUV, with that in mind we will continue with L3Harris for the following reasons: 1. To continue the journey of development for the main scoping of delivery of the 2A trial, capitalising on lessons learned from L3 Harris from the first set of trials, as subject matter experts to date and their familiarity with Astute class submarines. 2. L3 Harris and Department of Defence (DoD) currently hold the IPR rights to necessary core components of Phase 2 of Scylla. Due to these IPR restrictions sourcing an alternative solution or an alternative supplier would result in loss of compatibility, operational delays and increased costs, adversely impacting the successful delivery of this project. In addition this could also prevent interoperability with the DoD system, where we currently benefit from their efforts on the programme and cohesive relationship under the AUKUS Pillar II programme; which could have a political impact if any IPR restrictions were to be circumvented .

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/063553-2026 |
| Notice type | UK5 - Transparency Notice |
| Procurement type | Standard |
| Procurement category | Works |
| Procurement method | Direct |
| Procurement method details | Direct award |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Planning, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 7 Jul 2026 |
| Submission deadline | Not specified |
| Future notice date | 1 Jul 2026 |
| Award date | 7 Jul 2026 |
| Contract period | 31 Aug 2026 - 31 Mar 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £3,600,000 |
| Lots value | Not specified |
| Awards value | £3,600,000 |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Pending |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | SUBMARINE DELIVERY AGENCY |
| Locality | BRISTOL |
| Post town | Bristol |
| Postcode | BS34 8JH |
| Country | England |
| ITL 1 | TLK South West (England) |
| ITL 2 | TLK5 West of England |
| ITL 3 | TLK52 Bath & North East Somerset and South Gloucestershire |
| Local authority | South Gloucestershire |
| Electoral ward | Stoke Park & Cheswick |
| Westminster constituency | Filton and Bradley Stoke |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | L3HARRIS MAPPS |

## CPV Codes

### Divisions

- 35 - Security, fire-fighting, police and defence equipment
- 45 - Construction work
- 71 - Architectural, construction, engineering and inspection services

### Codes

- 35512400 - Unmanned underwater vehicles
- 45243500 - Sea defences construction work
- 71351924 - Underwater exploration services

## Release History

- 7 Jul 2026 at 10:25 - Award - UK5 - Transparency Notice - https://www.find-tender.service.gov.uk/Notice/063553-2026
- 25 Jun 2026 at 13:07 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/059881-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/063553-2026
  7th July 2026 - Transparency notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/059881-2026
  25th June 2026 - Pipeline notice on Find a Tender

## Notice URLs

- https://www.gov.uk/government/organisations/submarine-delivery-agency
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## 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-06bd28. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06bd28.json.