What SRT Marine Systems PLC does

SRT Marine Systems PLC is a UK-based maritime technology company founded in 1987 that develops integrated Maritime Domain Awareness (MDA) systems and AIS/VHF transceiver products. The company sells turn-key national surveillance systems — branded SRT-MDA, GeoVS, C5ISR and supported by its proprietary Dynamic-Ai analytics and True-Fusion sensor-integration technology — to sovereign governments including coast guards (Kuwait, Indonesia), fisheries authorities (Philippines BFAR), maritime authorities (Panama Canal), and an undisclosed $261m contract customer signed March 2026. Its technology stack combines AIS, VHF, GPS, radar, satellite (SAT-Trak), and proprietary AI analytics for vessel tracking, anomaly detection, IUU fishing prevention, and C5ISR command-and-control operations.

The company operates two divisions. The MDA Systems division delivers multi-year, project-financed turn-key national surveillance contracts, typically £200m+ in scale, complemented by recurring annual support contracts (£5m one-year support contract disclosed for January–December 2026). The Transceivers division sells AIS Class A and Class B transceivers, receiver modules, AtoN devices, and integrated VHF products through OEM partnerships (e.g., JRC), its em-trak consumer/sub-commercial brand, and a network of 4,000+ global resellers. Revenue increased from £14.8 million to £78 million for the fiscal year ending June 2025, with H1 FY2026 revenue of £51.1 million (+95% year-on-year), driven by execution on the Kuwait Project Vigilant and emerging sovereign contracts.

SRT is publicly listed on the AIM market of the London Stock Exchange (ticker SRT), headquartered in Midsomer Norton near Bath, and counts Ocean Infinity as a strategic investor following a £10.5m December 2023 raise. The order book stood at £350m from five sovereign customers as of March 2026, with a validated sales pipeline of up to £1.8 billion and £500m offering near-term visibility. The company's strategy depends on converting this pipeline into recurring multi-year revenue while scaling delivery capacity.

Name

SRT Marine Systems PLC

Legal name

SRT Marine Systems plc

Website

https://srt-marine.com

Company type

Public

Founded year

1987

Operating status

Operating

Headcount range

101–250 employees

Short description

SRT Marine Systems PLC is a UK-based maritime technology company that delivers turn-key Maritime Domain Awareness (MDA) systems, C5ISR surveillance platforms, and AIS/VHF transceiver products to sovereign governments, coast guards, fisheries authorities, and marine electronics resellers worldwide.

Ownership category

akta.pro rank

Product category

Maritime Surveillance Systems

NAICS

Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing (334511), Support Activities for Water Transportation (4883)

SIC

Search, Detection, Navagation, Guidance, Aeronautical Sys (3812), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Marine Navigation Systems (ECDIS, Radar, GNSS, AIS) (IMAJAJAE)

akta.pro secondary industries

Maritime Unmanned Systems (USV/UUV) & Control Stations (IMABAKAJ), Marine Electrical Installation, Commissioning & Field Services (IMAJAJAL), Navigation & Aids-to-Navigation Works (Beacons, Buoys, Markers) (IMAFAJAH)

Keywords

• Maritime surveillance systems
• AIS transceivers
• Vessel monitoring
• Maritime domain awareness
• Fisheries monitoring systems

Headquarters

HQ city

Bath

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Technology or R&D, Supply Chain, Operations, Infrastructure, Marketing or Sales

Revenue model

1. MDA System Sales: Turn-key Maritime Domain Awareness system sales to sovereign governments including surveillance systems, fisheries monitoring, vessel tracking, and traffic management systems. Systems are designed, implemented and operationalised as complete projects, often with multi-year timelines. Revenue recognised over project duration with project financing options available.
2. System Support Contracts: Annual recurring support contracts covering technical support, data services, and system maintenance. The company reported a £5 million one-year support contract (January-December 2026) with expectation that recurring support contracts will scale as customer MDA footprints expand.
3. Transceiver Products: Sale of AIS transceivers, modules, and aids to navigation products through OEM partnerships, branded solutions, and the em-trak distribution network (4,000+ resellers). Includes Class A, Class B transceivers, AIS receivers, splitters, and AIS AtoN devices.
4. Project Financing: SRT provides project financing options with advantageous terms to enable long-term financing of MDA system implementations by sovereign customers.
5. Training & Operationalisation: Training programs, capacity building, and operational transformation services for customers including professional Intelligence Led Maritime Surveillance Operations training academy.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

SRT Marine Systems PLC designs, develops, manufactures and integrates maritime domain awareness (MDA) systems and Automatic Identification System (AIS) transceivers. Its solutions combine proprietary software, AI analytics and sensor integration to deliver vessel monitoring, fisheries management, vessel traffic services and coastal surveillance for governments, coast guards, navies and marine electronics OEMs.

Product overview

SRT Marine Systems PLC offers a comprehensive maritime technology portfolio organized into two main divisions: MDA (Maritime Domain Awareness) Systems and Transceivers. The MDA Systems division provides turn-key national-scale integrated surveillance and monitoring solutions including the SRT-MDA maritime surveillance system (C5ISR) for coast guards, the Fisheries Monitoring System (VMS) for national fishery management, the NAIS national vessel tracking system, VTS vessel traffic management system, and DAS Digital Aids to Navigation system. The Transceivers division encompasses a full range of AIS (Automatic Identification System) products spanning OEM AIS transceivers (APOLLO Class A, ARTEMIS, IRIS, NEON, IDENTIFIER), AIS receiver products (HERA), AIS transceiver modules for integration (MERCURY, GENESIS, KRYPTON, ARGON, TUNGSTEN, TRIDENT), and AIS AtoN transceivers (CARBON, Chronos, DAS Express series). The company also operates the Em-trak sub-brand for off-the-shelf consumer and commercial marine electronics. Core enabling technologies include Dynamic-Ai AI analytics, True-Fusion data integration, GeoVS MDA platform, SAT-Trak satellite tracking, and C5ISR command and control capabilities. Products are used by sovereign nations for maritime security, fisheries management, and navigation safety, as well as by commercial and leisure vessel operators worldwide.

Differentiator

Problem solved

Functional benefit

Brands

• em-trak: Off-the-shelf AIS and VHF products for leisure and commercial vessels, sold through marine electronics dealers and distributors.
• SRT-MDA
• GeoVS

Products and services

• SRT-MDA Maritime Surveillance System

Quantifiable outcome

• 95% revenue increase to £51 million in H1 2025
• +5 more outcomes

Named customers6 records

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability8 records

Feature8 records

Partnerships

Five partnerships are on record, tiered core and minor.

• HENSOLDT UKcoreStrategic or Co-development Partner · 9 April 2026HENSOLDT UK secured two contracts with SRT Marine System Solutions to supply 50 coastal surveillance radar systems for integrated national coastal surveillance systems. Systems based on HENSOLDT UK's SharpEye solid-state radar technology for maritime situational awareness. Deliveries scheduled for 2026.
• HENSOLDT UKcoreTechnology or Integration · 9 April 2026SRT integrated HENSOLDT UK's SharpEye radar technology into coastal surveillance solutions. The radars are designed for continuous operation in challenging coastal environments with high traffic density and sea clutter. All 50 systems to be delivered in 2026.
• Kuwaiti Coast GuardcoreStrategic or Co-development Partner · 2 July 2025Partnership for national integrated maritime surveillance system (Project Vigilant) including deployment of four NeedleFish USVs. SRT provided GeoVS MDA system and integrated C5iSR command infrastructure. USVs built in UK shipyards and delivered via partnership with Ocean Infinity.
• JRC (Japan Radio Company)minorOEM/ Whitelabel/ Licensing Partner · 2 July 2018AIS OEM Partnership Agreement for integration of SRT AIS technology into JRC marine electronics products.
• Indonesian Coast Guard (Bakamla)coreStrategic or Co-development PartnerSRT's Sovereign Partnership Programme with Indonesia for national surveillance and intelligence system infrastructure. Regional command centre realisation underway with first command centre operational December 2025. Professional Intelligence Led Maritime Surveillance Operations training academy established.

Scale indicators13 records

Recent moves6 records

Expansion highlights6 records

Emerging players

• Indra: Provides maritime traffic and coastal surveillance systems (including its Seametra product) to ports and coast guards, making it a thematic peer for SRT's VTS and MDA offerings though more regionally focused.

Broad incumbents

• Thales: Global defense and aerospace prime with maritime surveillance, coastal security, and vessel traffic solutions across navies and coast guards, competing with SRT for sovereign MDA contracts at much larger scale.
• Elbit Systems: Defense electronics company with maritime surveillance, C4ISR, and coastal security offerings aimed at sovereign customers, competing for the same MDA contracts as SRT at larger enterprise scale.
• L3Harris Technologies: Provides maritime domain awareness, coastal surveillance, and integrated C5ISR solutions to navies and homeland security agencies globally, contesting sovereign MDA opportunities alongside SRT.
• Garmin: Major marine electronics brand offering AIS-enabled chartplotters, VHF radios, and navigation systems through global retail and OEM channels, overlapping with SRT's em-trak consumer and OEM transceiver portfolio.
• Kongsberg: Provides integrated maritime domain awareness, vessel traffic management, and coastal surveillance solutions to navies and coast guards globally, competing with SRT for the same sovereign surveillance contracts at a larger scale.
• Saab: Offers maritime traffic management, coastal surveillance, and naval C2 systems through its Saab TransponderTech and broader defense portfolio, overlapping directly with SRT's MDA and AIS-related offerings to government customers.

Direct peers

• Japan Radio Company (JRC): Marine electronics OEM that already partners with SRT for AIS integration, while also competing as an AIS transceiver and navigation systems manufacturer in the global marine electronics market.
• Furuno: Leading marine electronics manufacturer producing AIS Class A/B transceivers, radar, and navigation equipment distributed through global dealer networks, directly comparable to SRT's em-trak transceiver and OEM module business.

Others

• Ocean Infinity: Strategic investor and USV partner of SRT, supplying NeedleFish unmanned surface vessels for the Kuwait Coast Guard and offering overlapping maritime surveillance and ocean data collection capabilities, making it a collaborative ecosystem peer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCfWph8dSuOqTC0H-n7QD9Ng
• LinkedInlinkedin.com/company/srtmarine

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries2 records

Funding overview

Funding rounds3 records

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SRT Marine Systems PLC