Award

In-Service Support of Platform Data Management Systems

  • Defence Equipment and Support

UK5: Transparency notice - Procurement Act 2023 - view information about notice types

Notice identifier: 2025/S 000-073931

Procurement identifier (OCID): ocds-h6vhtk-05d355 (view related notices)

Published 14 November 2025, 12:09pm



Scope

Reference

715655450

Description

The Authority intends to renew contract CSA/3049 from 1 July 2027 with Ultra Electronics Command and Sonar Systems for in-service support of PDM systems. Equipment managed includes PDM/INA outfits fitted to Type 23 Frigates (PDM2), Single Role Minehunter (PDM3), Vanguard Class Submarines (PDM4) and Fort Victoria (RFA) (PDM5). The PDM system receives inputs from platform navigation sensors and outputs data to navigation and weapon systems. The planned duration is 8.5 years (July 2027 to Dec 2035) with two 1-year options. Estimated value £20M inc VAT. Only the supplier can deliver this requirement within the timeframe without risk to RN operations.


Contract 1. In-Service Support of Platform Data Management Systems

Supplier

Contract value

  • £16,666,666.67 excluding VAT
  • £20,000,000 including VAT

Above the relevant threshold

Earliest date the contract will be signed

2 March 2027

Contract dates (estimated)

  • 1 July 2027 to 31 December 2035
  • 8 years, 6 months

Main procurement category

Services

Options

The right to additional purchases while the contract is valid.

Two additional 1-year options are available.

CPV classifications

  • 71356000 - Technical services
  • 34933000 - Navigation equipment
  • 50200000 - Repair, maintenance and associated services related to aircraft, railways, roads and marine equipment

Contract locations

  • UK - United Kingdom

Other information

Conflicts assessment prepared/revised

Yes


Procedure

Procedure type

Direct award

Direct award justification

  • Single supplier - intellectual property or exclusive rights
  • Single supplier - technical reasons
  • Defence and security - necessary to enhance or maintain operational capability, effectiveness, readiness for action, safety or security of the armed forces

The contract will be awarded under Section 41 and Schedule 5 of the Procurement Act 2023. Ultra Electronics Command and Sonar Systems is the Design Authority for PDM systems and holds exclusive intellectual property rights for the design, software and test infrastructure. The supplier alone has the specialist knowledge and equipment to maintain and update these systems. For interoperability and safety reasons, only this specific PDM equipment can be supported, and only the supplier can deliver changes in line with Navy Command requirements. This contract is necessary to maintain operational capability and readiness of RN and RFA vessels.


Supplier

Ultra Sonar Systems Ltd

  • Companies House: 14355663

Knaves Beech Business Centre , Loudwater

High Wycombe, Buckinghamshire

HP10 9UT

United Kingdom

Region: UKJ13 - Buckinghamshire CC

Small or medium-sized enterprise (SME): Yes

Voluntary, community or social enterprise (VCSE): No

Contract 1. In-Service Support of Platform Data Management Systems


Contracting authority

Defence Equipment and Support

  • Public Procurement Organisation Number: PVRL-5831-GLMM

MOD Abbey Wood

Bristol

BS34 8JH

United Kingdom

Region: UKK12 - Bath and North East Somerset, North Somerset and South Gloucestershire

Organisation type: Public authority - central government