Official UK procurement notice
A-Class Platform Complex Systems - Batch 1 PMS and ICS
Authority: Submarine Delivery Agency (Central government)
What is being bought
Published requirement descriptionThe Platform Equipment Delivery Team (PEDT), part of the UK Ministry of Defence (the “Authority”), intends to enter into a contract (the “Contract”) with L3Harris MAPPS Ltd (the “Contractor”) to take effect on and from 1st March 2026 for a period of 7 years for the provision of in-service support of the Internal Communication Systems (ICS) and Astute Class Platform Complex Systems Batch 1 Platform Management System (PMS) and equipment, providing technical support, waterfront support and Post Design Services ensuring that availability is maintained and obsolescence and reliability issues are addressed, including the provision of ICS Spares and Repairs. The systems provide critical safety and operational functions in support of the Authority’s Submarine Delivery Agency (SDA) capabilities. The Contract has a value (ex VAT) of approx. £51,000,000 (Fifty-One million pounds sterling).
It is considered that the Contract can be entered into using Direct Award pursuant to Schedule 5 of the Procurement Act 2023 on the basis that the Contract may be awarded only to the Contractor for 7(a) the contracting authority receiving goods, services or works that are different from or incompatible with , the existing goods, services or works, and (b) the difference or incompatibility would result in disproportionate technical difficulties in operational maintenance.
The Contractor is the Original Equipment Manufacturer (OEM) and Design Authority (DA) for, and holder of all relevant proprietary information in the ICS and A-Class Platform Complex Systems Batch 1 PMS. The Contractor holds and maintains deployed software source codes and original technical documentation specific to the Astute Class Boats 1 to 7 ICS and any changes or modifications to the software can only be undertaken exclusively by the Contractor. As the OEM and DA, only the Contractor has the ability to make amendments to the Batch 1 PMS as in order to make amendments to the Batch 1 PMS, access to the Contractor’s proprietary toolset, MAPPS, is required. This is necessary for the performance of the requirement.
The Authority does not have sufficient knowledge or experience of using the MAPPS toolset and the Authority does not have any proprietary rights in the MAPPS proprietary toolset used for actual coding and is therefore unable to pass this on to any third party. The Contractor, as the only manufacturer and supplier of the ICS and A-Class Platform Complex systems Batch 1 PMS, is the only economic operator with the specific technical knowledge and experience of the ICS and A-Class PMS system to be able to support and update such equipment, avoiding safety and availability risk issues.
CPV: Technical support services
The lotProcurement structure
single lot · no lot value publishedLot #1Awarded
Procedure terms & legal framework
From the official record- Procedure method
- Direct award
- Legal basis
- UKPGA · 2023/54 Procurement Act 2023
- Procurement category
- Services
- Notice status
- Awarded without competition
- Procurement threshold
- Above threshold (FTS publication)
- Regulatory regime
- Defence & security
- Commercial structure
- Stand-alone contract (no framework)
- Competition type
- Direct award (no call for competition)
- GPA / WTO covered
- Unspecified in notice
- Recurring procurement
- Unspecified in notice
- First published
- 12 May 2025, 10:39 BST
- Last source update
- 9 Mar 2026, 14:19 GMT
- Authority reference
714412450- FTS notice number
2026/S 000-020942- Latest notice
- Transparency notice (UK5)
- Classification (CPV)
- Delivery area
- Official registry OCID
ocds-h6vhtk-051088Find a Tender
- Why no open competition
- Single Suppliers Technical Reasons; Defence Security Qualifying New Award; Defence Security Operational
- Published justification
The Platform Equipment Delivery Team (PEDT), part of the UK Ministry of Defence (the “Authority”), intends to enter into a contract (the “Contract”) with L3Harris MAPPS Ltd (the “Contractor”) to take effect on and from 1st March 2026 for a period of 7 years for the provision of in-service support of the Internal Communication Systems (ICS) and Astute Class Platform Complex Systems Batch 1 Platform Management System (PMS) and equipment, providing technical support, waterfront support and Post Design Services ensuring that availability is maintained and obsolescence and reliability issues are addressed, including the provision of ICS Spares and Repairs. The systems provide critical safety and operational functions in support of the Authority’s Submarine Delivery Agency (SDA) capabilities. The Contract has a value (ex VAT) of approx. £51,000,000 (Fifty-One million pounds sterling).
It is considered that the Contract can be entered into using Direct Award pursuant to Schedule 5 of the Procurement Act 2023 on the basis that the Contract may be awarded only to the Contractor for 7(a) the contracting authority receiving goods, services or works that are different from or incompatible with , the existing goods, services or works, and (b) the difference or incompatibility would result in disproportionate technical difficulties in operational maintenance.
The Contractor is the Original Equipment Manufacturer (OEM) and Design Authority (DA) for, and holder of all relevant proprietary information in the ICS and A-Class Platform Complex Systems Batch 1 PMS. The Contractor holds and maintains deployed software source codes and original technical documentation specific to the Astute Class Boats 1 to 7 ICS and any changes or modifications to the software can only be undertaken exclusively by the Contractor. As the OEM and DA, only the Contractor has the ability to make amendments to the Batch 1 PMS as in order to make amendments to the Batch 1 PMS, access to the Contractor’s proprietary toolset, MAPPS, is required. This is necessary for the performance of the requirement.
The Authority does not have sufficient knowledge or experience of using the MAPPS toolset and the Authority does not have any proprietary rights in the MAPPS proprietary toolset used for actual coding and is therefore unable to pass this on to any third party. The Contractor, as the only manufacturer and supplier of the ICS and A-Class Platform Complex systems Batch 1 PMS, is the only economic operator with the specific technical knowledge and experience of the ICS and A-Class PMS system to be able to support and update such equipment, avoiding safety and availability risk issues.
- Risks
Spares & Repairs, Post Design Services & Operational Support to the A-Class Boats
How it was run
Official notice- Submission deadline
- —
Timeline
12 May 2025 → 9 Mar 2026 · 4 dates- Planning notice published12 May 2025, 10:39 BST
- Next notice expected12 May 2025, 23:59 BST
- Contract starts240 days ago1 Mar 2026
- Latest notice published231 days ago9 Mar 2026, 14:19 GMT
Notice history
5 events · 2 releases on Find a Tender · since 12 May 2025- Pipeline notice published12 May 2025, 10:39 BSTUK1
- Transparency notice published9 Mar 2026, 14:19 GMTUK5
- Status changed to complete9 Mar 2026, 14:19 GMT
- Procurement method changed9 Mar 2026, 14:19 GMT
- Contract signature expected19 Oct 2026, 23:59 BSTscheduled
Commercial outcome & contract awards
Published awards, contracts and bid statistics, not a forecast| Awarded to | Value | Date | Status |
|---|---|---|---|
| L3HARRIS MAPPS LIMITED714412450 - A-Class PCSP Batch 1 and ICS Support1 Dec 2026 – 30 Nov 2033 | £80,000,000 | — | Standstill |
Contracting authority & participating public bodies
Bidders & participating suppliers
1 commercial party on the notice- L3Harris Mapps LimitedAwarded supplier
Official documents & specifications (2)
Official links; attachments are not copiedNotices published for this procedure
- Transparency notice Transparency notice on Find a Tender
- Pipeline notice Pipeline notice on Find a Tender