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Tenfell
Awarded contract
Published 14 Nov 2025

In-Service Support of Platform Data Management Systems

Defence Equipment and Support · South West

Key facts

Contract value
£16,666,667
Contract starts
30 Jun 2027
Contract ends
31 Dec 2035
Procedure
Direct award
Buyer type
Central government

Awarded to

SupplierValue
Ultra Sonar Systems Ltd£16,666,667

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.

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