SAES

SAES

Sociedad Anónima de Electrónica Submarina, S.M.E.

San Fernando, Spain

Naval SystemsRadar & SensorsWeaponsC4ISRDual-use
Subsystem ManufacturerSupplies Naval Forces, Air Forces, Defense Industry
Profile last updated: August 15, 2026

About

SAES is a defense subsystem manufacturer based in San Fernando, Spain working in naval systems, radar & sensors, weapons +2 more.

SAES is a Spanish state trading company specialised in underwater acoustics and multi-influence (magnetic, electrical, acoustic, seismic and pressure) technology for naval defence and security. Its activities cover sonar systems, ASW sonobuoy processing, signature measurement and management, naval mines, underwater signature simulation, and underwater protection of critical infrastructure such as ports, power plants and offshore wind farms. The company states it supplies naval customers in more than 20 countries and works closely with the Spanish Ministry of Defence. It is majority-owned by SAES Capital, S.A., S.M.E., which is controlled by Navantia and forms part of the SEPI group. SAES also develops dual-use technologies for civil and defence markets, including environmental monitoring and maritime safety, and runs R&D projects with universities, technology centres and companies. It holds ISO 9001:2015, EN 9100:2018 and AQAP/PECAL 2110 Edition 4 quality frameworks.

Location

San Fernando, Spain

Company type

State-owned enterprise

Legal name

Sociedad Anónima de Electrónica Submarina, S.M.E.

VAT number

ES198919901

Focus areas

underwater acousticssonarmulti-influencenaval minesASWsignature managementdual-usecritical infrastructure protection

Languages

ESEN

Products & capabilities

Defense domains

Naval SystemsRadar & SensorsWeaponsC4ISRSimulation & Training

Supply-chain role

Subsystem Manufacturer

What they offer

HardwareSoftwareMaintenance & RepairTrainingEngineering Services

Markets

Also sells to civilian markets

Products

SPAS

Sonobuoy acoustic processor

ASW sonobuoy acoustic processor for detecting, classifying and locating hostile submarines.

DDS

Diver detection sonar

High-frequency active sonar protecting ports, anchored vessels and maritime infrastructure from underwater threats, with location, classification and automatic tracking.

TAS / TAHS

Towed sonar

Digital towed sonar for underwater surveillance, detection and classification, with a launch and retrieval system for automatic deployment.

Combat mines

Naval mine

Seabed-deployed underwater weapons that detect and damage intruding ships and submarines, with target discrimination capability.

Special Operations Limpet Mines

Underwater munition

Compact underwater munitions for combat divers that attach to underwater structures and are remotely detonated.

MIRS

Signature measurement system

Simultaneously measures magnetic, electrical, acoustic, seismic and pressure influences on ships and submarines to assess detectability and performance.

ONMS

Ship noise monitoring system

Monitors and manages ship-based noise, identifies noise sources and estimates acoustic signatures to improve stealth.

Mission Support System

Maritime operations planning platform

Platform for planning, executing and evaluating maritime operations, improving situational awareness and collaboration.

Multi-influence signature emulation

Simulation system

Simulates magnetic, electrical, acoustic, seismic and pressure signatures of ships and submarines for detection testing, operator training and research.

Smart buoys

Marine sensor buoy

Solar-powered buoys with integrated sensors that transmit real-time marine environmental and maritime safety data.

Comprehensive Underwater Protection System

Underwater infrastructure protection system

Integrated system to detect, classify and neutralise underwater threats to critical infrastructure.

End users

Naval ForcesAir ForcesDefense Industry

Standards, platforms & customers

Defense standards

AQAP/PECAL 2110 Edition 4EN-9100:2018

Platforms & programmes

F100 FrigateF110 FrigateP3 AircraftC295 AircraftVisby CorvetteS80 SubmarineS81 Isaac Peral SubmarineSegura Class MinehunterASW Helicopter Programme

Named customers

Spanish Ministry of DefenseSpanish NavySpanish Air ForceSwedish NavyNavantia

Credentials & affiliations

Certifications

ISO 9001:2015

Issued by: Not stated

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