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What is SRT Marine Systems plc stock?

SRT is the ticker symbol for SRT Marine Systems plc, listed on LSE.

Founded in 2005 and headquartered in Bath, SRT Marine Systems plc is a Telecommunications Equipment company in the Electronic technology sector.

What you'll find on this page: What is SRT stock? What does SRT Marine Systems plc do? What is the development journey of SRT Marine Systems plc? How has the stock price of SRT Marine Systems plc performed?

Last updated: 2026-05-13 18:23 GMT

About SRT Marine Systems plc

SRT real-time stock price

SRT stock price details

Quick intro

SRT Marine Systems plc is a global leader in Maritime Domain Awareness (MDA). The company specializes in the development and supply of integrated maritime surveillance and safety systems, including AIS transceivers and satellite monitoring solutions for coast guards and vessel owners.

For the financial year ended June 30, 2025, SRT reported a transformational performance with revenues surging 426% to £78.0 million and a profit before tax of £4.9 million. As of early 2026, the company maintains a robust contract order book of £350 million and a validated sales pipeline worth £1.8 billion.

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Basic info

NameSRT Marine Systems plc
Stock tickerSRT
Listing marketuk
ExchangeLSE
Founded2005
HeadquartersBath
SectorElectronic technology
IndustryTelecommunications Equipment
CEOSimon Richard Tucker
Websitesrt-marinesystems.com
Employees (FY)
Change (1Y)
Fundamental analysis

SRT Marine Systems plc Business Introduction

SRT Marine Systems plc (SRT) is a global leader in the design, development, and manufacture of maritime domain awareness (MDA) technologies. The company provides integrated systems and advanced communication devices that enhance maritime safety, security, and environmental management. Headquartered in the UK, SRT serves a diverse global clientele, including national coast guards, fishery authorities, and commercial vessel operators.

Business Summary

SRT operates at the intersection of telecommunications and maritime surveillance. Its primary mission is to provide comprehensive "Maritime Domain Awareness," which involves the effective understanding of anything associated with the maritime domain that could impact security, safety, economy, or environment. The company's products are used in over 50 countries, leveraging its proprietary Automatic Identification System (AIS) technology stack.

Detailed Business Modules

1. Systems Division (Government & Infrastructure):
This is SRT's high-growth engine. The division focuses on large-scale national projects, providing integrated maritime surveillance systems (such as the GeoVS platform). These systems integrate data from AIS, radar, satellites, and CCTV to provide a unified command and control interface. Key applications include:
- Coastal Surveillance: Assisting coast guards in monitoring territorial waters.
- Fisheries Management: Monitoring fishing fleets to prevent Illegal, Unreported, and Unregulated (IUU) fishing.
- Search and Rescue (SAR): Enhancing coordination during emergency responses.

2. Transceiver Division (OEM & Retail):
SRT is a leading global supplier of AIS transceivers. This module focuses on the hardware that transmits and receives vessel data.
- OEM: Supplying core technology modules to major marine electronics brands.
- em-trak: SRT’s own retail brand, offering a range of AIS Class A, Class B, and SART devices for commercial and leisure boaters.

Business Model Characteristics

High Barrier Entry: The maritime industry is governed by strict international regulations (IMO, ITU, IEC). SRT owns its entire technology stack, ensuring compliance and performance that competitors struggle to match.
Project-Based Revenue with Recurring Potential: While large system sales provide significant upfront revenue, SRT is increasingly focusing on multi-year support and data service contracts to build recurring income streams.

Core Competitive Moat

Proprietary Technology Stack: Unlike many competitors who integrate third-party components, SRT owns the core AIS software and hardware IP. This allows for better optimization, lower costs, and faster customization.
Digital Twin Visualization: The GeoVS platform provides advanced 3D real-time visualization, which is a significant differentiator in maritime command and control environments.
Regulatory Compliance Mastery: Deep expertise in global maritime radio standards ensures their products are certified for use in any international market.

Latest Strategic Layout

According to the FY2024 Interim Results, SRT is aggressively expanding its "Systems" pipeline, which currently exceeds £500 million in identified opportunities. The company is prioritizing the integration of Artificial Intelligence (AI) for predictive behavioral analysis—identifying suspicious vessel patterns (e.g., ship-to-ship transfers or "dark" vessels) before incidents occur. Additionally, SRT is expanding its footprint in Southeast Asia and the Middle East, regions with increasing maritime security budgets.

SRT Marine Systems plc Development History

SRT’s journey is characterized by a transition from a pure hardware engineering firm to a sophisticated systems and data solutions provider.

Development Phases

Phase 1: Foundation and AIS Pioneering (1987 – 2005)
Founded originally as Software Radio Technology, the company focused on digital radio research. As the International Maritime Organization (IMO) mandated AIS for large ships in the early 2000s, SRT pivoted to become a specialist in AIS technology, developing the core modules that would power the first generation of digital maritime tracking.

Phase 2: Product Expansion and AIM Listing (2005 – 2015)
SRT listed on the London Stock Exchange (AIM) under the ticker SRT. During this period, the company expanded its hardware portfolio to include Class B transceivers for smaller vessels and established its OEM business model, becoming the "engine room" for many global marine electronics brands.

Phase 3: Transition to Systems and Global Integration (2016 – Present)
Recognizing that hardware alone was becoming commoditized, SRT moved up the value chain. It acquired GeoVS to gain advanced visualization capabilities and began bidding for multi-million-pound national sovereign projects. This shift transformed the company's financial profile from selling £500 units to managing £50 million national infrastructure contracts.

Analysis of Success and Challenges

Success Factors:
- Long-term Vision: Investing in AIS technology years before it became a global regulatory standard.
- Vertical Integration: Controlling the hardware, firmware, and software layers allowed for superior product reliability.

Challenges:
- Lumpy Revenue: Large government contracts often suffer from bureaucratic delays. In 2023/2024, SRT faced challenges with contract timing and working capital management, requiring strategic financing to bridge the gap between project milestones.

Industry Introduction

SRT operates within the Maritime Domain Awareness (MDA) and Electronic Chart Display and Information System (ECDIS) markets. This industry is increasingly driven by the digitalization of the oceans.

Industry Trends and Catalysts

1. Decarbonization and Environmental Monitoring: Global mandates to reduce carbon emissions are forcing shipowners to adopt digital tools for route optimization and fuel monitoring.
2. Combatting IUU Fishing: Global protein security is driving governments to invest heavily in fisheries surveillance technology to protect national waters.
3. Geopolitical Tensions: Increased maritime friction in regions like the South China Sea and the Red Sea has accelerated national spending on coastal surveillance and border security.

Competitive Landscape

The market is divided into hardware manufacturers and system integrators. SRT is unique because it competes in both segments.

Category Key Competitors SRT's Position
Hardware / OEM Garmin, Furuno, Navico Supplier to many; Competitor via em-trak.
System Integrators Saab, Kongsberg, Thales Niche specialist with better cost-efficiency and 3D visualization.
Data Services Spire Global, Orbcomm Partner (Satellite data) and downstream user.

Industry Status and Characteristics

According to market research (e.g., Mordor Intelligence), the Maritime Safety and Security Market is projected to grow at a CAGR of over 7% through 2029. SRT is positioned as a "disruptor" in this space. While legacy defense contractors offer massive, expensive solutions, SRT’s modular and software-centric approach allows for faster deployment and better scalability for developing nations and specialized commercial sectors.

Latest Financial Context (As of H1 2024):
SRT reported a significant increase in its order book, driven by a £140 million multi-year contract for a national coast guard. Despite short-term volatility in share price due to financing needs, the fundamental demand for maritime transparency remains at an all-time high due to global supply chain sensitivities.

Financial data

Sources: SRT Marine Systems plc earnings data, LSE, and TradingView

Financial analysis

SRT Marine Systems plc Financial Health Rating

Based on the latest financial reports for the fiscal year ending June 2025 and the subsequent interim period ending December 31, 2025, SRT Marine Systems plc has shown a dramatic turnaround in revenue and profitability. The company transitioned from a heavy loss in 2024 to a significant profit in 2025, driven by large-scale sovereign contracts. However, its high reliance on large government projects and capital-intensive nature impacts its liquidity stability.

Assessment Metric Score (40-100) Rating Key Data (FY2025 / H1 FY2026)
Revenue Growth 95 ⭐️⭐️⭐️⭐️⭐️ £78.0M (+426% YoY in FY25); £51.1M in H1 FY26.
Profitability 70 ⭐️⭐️⭐️ PBT of £4.9M (FY25) and £3.1M (H1 FY26). Net Margin ~2.6%.
Balance Sheet & Liquidity 65 ⭐️⭐️⭐️ Unrestricted cash £4.3M (June 25), rising to £41.6M (Dec 25).
Debt Management 68 ⭐️⭐️⭐️ Debt-to-equity ratio at 64.06%; interest coverage 4.9x.
Growth Pipeline 98 ⭐️⭐️⭐️⭐️⭐️ Validated contract pipeline of £1.8 billion.
Overall Health Score 79 ⭐️⭐️⭐️⭐️ Strong growth momentum with improving solvency.

SRT Marine Systems plc Development Potential

1. Validated Pipeline and Global Expansion

SRT is currently sitting on an exceptionally large validated pipeline worth £1.8 billion. As of early 2026, the company manages active contracts totaling £350 million across five sovereign customers. A major breakthrough was the signing of a £195 million contract with a sixth sovereign customer (post-December 2025), which provides high revenue visibility for the next 2-3 years as it undergoes activation.

2. Product Innovation: AI and NEXUS

The company is aggressively transitioning into an AI-driven technology provider. The SRT-MDA System is being enhanced with maritime AI analytics to provide sovereign agencies with better vessel tracking and illegal activity detection. Additionally, the launch and commencement of shipping for the NEXUS VHF/AIS transceiver in H2 FY2026 represents a major catalyst for the commercial and leisure marine segments, diversifying revenue away from purely government contracts.

3. Strategic Operational Milestones

In 2025, SRT achieved a milestone with its first unmanned surface surveillance vessel (USSV) program becoming fully operational in Kuwait. This confirms SRT's capability to deliver integrated C5iSR (Command, Control, Communications, Computers, Combat Systems, Intelligence, Surveillance, and Reconnaissance) solutions, positioning them as a leader in the next generation of autonomous maritime security.


SRT Marine Systems plc Company Advantages & Risks

Pros (Opportunities)

• Explosive Revenue Growth: The shift from £14.8M (FY24) to £78.0M (FY25) demonstrates the scalability of their sovereign systems business.
• Strategic Partnerships: Increased investment from Ocean Infinity and support from UK Export Finance provides both technical synergy and financial backing for large-scale international projects.
• High Barrier to Entry: Years of proprietary technology development in AIS and maritime surveillance create a significant competitive moat.
• Market Leadership: As a global leader in Maritime Domain Awareness (MDA), SRT is perfectly positioned to benefit from increasing global concerns over maritime security, illegal fishing, and border protection.

Cons (Risks)

• Concentration Risk: A large portion of revenue is derived from a small number of sovereign customers. Delays in government procurement or financing packages (e.g., the Kuwait or Saudi projects) can lead to significant revenue volatility.
• Working Capital Pressure: Large-scale projects require significant upfront investment and inventory. Despite high cash balances, much of this is often restricted project cash or tied up in trade receivables (£52.6M in FY25).
• Shareholder Dilution: SRT has frequently turned to equity markets for funding, with multiple follow-on offerings in 2024 and 2025 to support its rapid scaling.
• Execution Risk: Managing and delivering complex national-scale systems across multiple continents simultaneously tests the company's operational capacity and management bandwidth.

Analyst insights

How Analysts View SRT Marine Systems plc and SRT Stock?

As of mid-2024 and heading into the 2025 fiscal cycle, analyst sentiment regarding SRT Marine Systems plc (SRT) is characterized as "cautiously optimistic with high growth expectations," balanced by a keen eye on the company's lumpy revenue recognition and project delivery timelines. As a global leader in maritime domain awareness (MDA) and AIS technology, SRT is viewed as a high-conviction "growth play" within the specialized maritime security sector.

1. Core Analyst Perspectives on the Company

Strong Order Pipeline and Market Leadership: Analysts from firms such as Cavendish (formerly finnCap) and Shore Capital highlight SRT’s unique positioning in a niche market. The company’s "Systems" division, which provides integrated maritime surveillance for coast guards and fisheries, currently boasts a massive contracted order book. As of the year ended March 31, 2024, SRT reported a forward contract backlog exceeding £160 million, which analysts view as a significant de-risking factor for future revenue.

The Transition to Recurring Revenue: A key point of interest for institutional analysts is SRT’s shift toward data services. By integrating satellite AIS data and AI-driven analytics, SRT is moving from one-off hardware sales to long-term service contracts. Analysts believe this will eventually lead to higher margins and more predictable cash flows, moving the stock from a "project-based" valuation to a "SaaS-lite" valuation model.

Transceiver Division Resilience: While the Systems division wins large government tenders, the Transceiver (Hardware) business remains a steady bread-and-butter earner. Analysts note that global regulatory mandates for AIS (Automatic Identification System) installation on smaller commercial and fishing vessels provide a structural "floor" for the company’s annual sales.

2. Stock Rating and Target Prices

Market consensus for SRT currently leans toward a "Buy" or "Corporate" (for house brokers) rating, though the stock is noted for its high volatility due to its small-cap nature (listed on the London AIM).

Key Metrics (based on FY 2024/2025 projections):
Rating Distribution: Major boutique investment banks covering the stock maintain a positive outlook, citing the disparity between the company's fundamental contract value and its market capitalization.
Price Targets: Analysts have set 12-month price targets ranging from 60p to 75p. Considering the stock has fluctuated between 30p and 45p in the 2023-2024 period, these targets imply a potential upside of 50% to 80%.
Revenue Growth: Analysts expect a significant revenue "jump" in the next reporting cycle as several large-scale sovereign projects in the Middle East and Southeast Asia hit major delivery milestones.

3. Risk Factors and Bearish Considerations

Despite the bullish long-term outlook, analysts frequently cite several risks that keep the stock's valuation in check:

Project Lumpiness and Working Capital: Because SRT deals with large government contracts, payment schedules are often delayed. Analysts point to the £15 million+ fundraisings (equity and debt) executed in late 2023 and early 2024 as evidence that the company requires significant working capital to manage its massive order book before cash is collected from customers.
Execution Risk: There is a narrow focus on the company's ability to physically deploy systems in challenging geographical regions. Any delay in government acceptance of a system can lead to revenue being pushed into the next fiscal year, causing short-term share price volatility.
Concentration Risk: A large portion of the current valuation is tied to a handful of multi-million dollar contracts. Analysts warn that any cancellation or geopolitical friction affecting these specific sovereign clients could have a disproportionate impact on the balance sheet.

Summary

The consensus among UK-based small-cap analysts is that SRT Marine Systems plc is an undervalued technological leader with a high barrier to entry. While the company has historically struggled with "lumpy" earnings, the sheer scale of its current contract backlog suggests that 2025 could be a breakout year for profitability. For investors, the consensus suggests that the current share price represents an attractive entry point for those who can tolerate the fluctuations inherent in government-contract-driven businesses.

Further research

SRT Marine Systems plc (SRT) Frequently Asked Questions

What are the key investment highlights for SRT Marine Systems plc, and who are its main competitors?

SRT Marine Systems plc is a global leader in maritime domain awareness technologies. Its primary investment highlights include a significant sales pipeline (valued at approximately £1.4 billion as of late 2023) and a unique business model that combines high-margin Transceiver OEM products with large-scale Integrated System projects for national coast guards and fisheries. Key growth drivers include the increasing global demand for maritime security and illegal fishing prevention.
Main competitors vary by segment: In the transceiver market, they compete with Garmin and Navico; in the systems sector, they face competition from large defense contractors like Thales, Leonardo, and Elbit Systems, though SRT often wins on specialized maritime niche expertise.

Are the latest financial results for SRT Marine Systems healthy? What are the revenue and debt figures?

According to the FY2024 Annual Results (for the year ended March 31, 2024), SRT reported revenue of £15.1 million, a decrease from the previous year's £30.5 million, primarily due to the timing of large system contract milestones. The company reported a pre-tax loss of £7.9 million.
Regarding debt, SRT maintains a mix of convertible loans and bank facilities. As of the last reporting period, the company successfully completed a £10.5 million equity raise to strengthen the balance sheet and provide working capital to execute its growing contract backlog. Investors should note that SRT's financials are often "lumpy" due to the nature of multi-million pound government contracts.

Is the current SRT stock valuation high? How do its P/E and P/B ratios compare to the industry?

As of mid-2024, SRT's Price-to-Earnings (P/E) ratio is not meaningful (negative) due to recent losses incurred while scaling for large projects. The Price-to-Sales (P/S) ratio and Enterprise Value to EBITDA are the preferred metrics for analysts covering the stock. Compared to the broader Electronic Equipment & Instruments industry on the London Stock Exchange (AIM), SRT trades at a premium in terms of forward expectations, reflecting the market's anticipation of the conversion of its £160 million+ contracted order book into recognized revenue.

How has the SRT share price performed over the past year compared to its peers?

Over the past 12 months, SRT's share price has experienced significant volatility. After reaching highs in 2023, the stock faced pressure in early 2024 following delays in contract signings and the need for additional capital. While it has underperformed the FTSE AIM All-Share Index in the short term, it has historically outperformed peers during periods of major contract announcements. Investors often view SRT as a high-beta stock within the maritime tech sector.

Are there any recent industry tailwinds or headwinds affecting SRT Marine Systems?

Tailwinds: The global maritime surveillance market is expanding due to increased geopolitical tensions and the EU's new regulations regarding electronic reporting for small scale vessels, which mandates AIS-like tracking. This creates a massive new market for SRT’s transceivers.
Headwinds: The primary challenges remain government procurement cycles, which are notoriously slow and subject to political delays. Additionally, high-interest rates have increased the cost of financing for large-scale infrastructure projects in developing nations, where many of SRT's clients are located.

Have major institutional investors been buying or selling SRT shares recently?

SRT has a loyal base of institutional support. Major shareholders include Oceanwood Capital Management and Schroders PLC. Recent filings indicate that management, including CEO Simon Tucker, maintains a significant stake in the company, aligning interests with shareholders. The recent equity placing in early 2024 saw participation from both existing institutional holders and new private investors, signaling continued confidence in the company's long-term project delivery capabilities.

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SRT stock overview