Source: https://tendernation.io/opportunities/01a13be0-1359-7291-a1ae-0f2555b4c5ed/715862521-hydraulics-supply-and-support-hss-uk2 pending GB open procedure Suitable for SMEs # 715862521 - Hydraulics Supply and Support (HSS) - UK2 [Submarine Delivery Agency](https://tendernation.io/buyers/submarine-delivery-agency) Estimated value £45,833,333 Published 29 Jul 2026 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender The HSS requirement supports hydraulic equipment fitted across Royal Navy submarine and surface ship platforms. These systems perform mission-critical and safety-critical functions supporting platform availability, operational effectiveness and Continuous At Sea Deterrence (CASD). The requirement includes support to: - Hydraulic system Valves, Accumulators and Filters. - Hydraulic system mechanical support services e.g. Mib Winch. - Hydraulic system miscellaneous mechanical spares e.g. gaskets, O-rings. Support is required for both general hydraulic equipment and designated first-level hydraulic equipment across the in-service fleet. Interested parties are to note: - This Preliminary Market Engagement Notice is invite suppliers to take part in market engagement for this potential future requirement and is not a formal request for Expressions of Interest (EOI) nor a commitment to run a procurement exercise. - The publication date of the UK 4 Tender Notice, Contract start date and Contract end date are an estimate and is still subject to change. ## CPV classification Submarines Strategic submarine nuclear fuelled Attack submarine nuclear fuelled Hydraulic valve actuators Hydraulic equipment Source Find a Tender (UK) · Notice ocds-h6vhtk-06aa9a-2026-07-29T15:57:54+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-06aa9a-2026-07-29T15:57:54+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Submarine Delivery Agency: past awards and live tenders](https://tendernation.io/buyers/submarine-delivery-agency) [Sector More Security, fire & defence equipment tenders](https://tendernation.io/sectors/security-fire-defence-equipment) ## More tenders like this [Protective and safety clothing – Suministro de 540 trajes especiales de intervención en incendios para el departamento de bomberos, prevención, intervención en emergencias y protección civil. · Junta de Gobierno del Ajuntament de València · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a156a9-63bd-724d-bc08-59133ce7ac31/spain-protective-and-safety-clothing-suministro-de-540-trajes-especiales-de) [Individual equipment – ΔΙΑΚΗΡΥΞΗ ΕΠΑΝΑΛΗΠΤΙΚΟΥ ΔΙΕΘΝΟΥΣ ΑΝΟΙΧΤΟΥ ΔΙΑΓΩΝΙΣΜΟΥ · ΓΕΝΙΚΗ ΓΡΑΜΜΑΤΕΙΑ ΑΝΤΕΓΚΛΗΜΑΤΙΚΗΣ ΠΟΛΙΤΙΚΗΣ · 16 days left · 4 Nov 2026](https://tendernation.io/opportunities/01a156a9-6dc9-73e3-bd1a-4a9f0d3f0fae/greece-individual-equipment-diakhryksh-epanalhptiku-diethnus-anixtu-diagon) [Surveillance and security systems and devices – NABAVA I UGRADNJA SUSTAVA ZA ELEKTRONSKU EVIDENCIJU PRAŽNJENJA SPREMNIKA · Grad Zagreb · 11 days left · 30 Oct 2026](https://tendernation.io/opportunities/01a156a9-92a5-7389-9970-6f4a2ce802fc/croatia-surveillance-and-security-systems-and-devices-nabava-i-ugradnja-sust) [Safety vests – Suministro de chalecos de intervención e interiores DGP · Departament d'Interior i Seguretat Pública · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a156a9-61b4-724e-ab4e-ff02089e9be9/spain-safety-vests-suministro-de-chalecos-de-intervencion-e-interiores-dgp) [Protective and safety clothing – Feuerwehrschutzkleidung (PSA Leasing + Wäsche) für die Feuerwehren der Samtgemeinde Elm-Asse · Landkreis Wolfenbüttel für die Samtgemeinde Elm-Asse · 36 days left · 24 Nov 2026](https://tendernation.io/opportunities/01a156a9-66fb-729f-9dd3-f1985c19c1f5/germany-protective-and-safety-clothing-feuerwehrschutzkleidung-psa-leasing) [Security cameras – Vytvorenie centrálnej dátovej platformy a trvalý monitoring kvality ovzdušia, analýzy dopravy, parkovania a bezpečnosti · Mesto Banská Štiavnica · 39 days left · 27 Nov 2026](https://tendernation.io/opportunities/01a156a9-6f8f-712d-aeb5-2edd67d6a870/slovakia-security-cameras-vytvorenie-centralnej-datovej-platformy-a-trvaly-m)