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№ 337 33 filings · 2021-07-29 → 2026-07-23

SRT MARINE SYSTEMS PLC

SRT
Telecommunications Share price 84.00p Market cap £229m Overall fit 420 /1000

Partial fit: interesting operating-leverage and growth story available at a not-stretched valuation, but only weak AI-receiver alignment (defense/sovereign-security theme, not AI capex theme) and a track record of contract-timing slippage plus repeated dilution limits fit for a strategy that prizes AI-receiver exposure and downside protection.

Fair value range 85p–120p Mid case · £280m
Absolute upside +22.1% vs current market cap
Conviction 3/5 confidence in undervalued call
Supports the call
  • Just-released FY26 numbers with disclosed order book and pipeline
  • Two consecutive in-line reporting periods after FY24 miss
  • £350m active order book gives near-term revenue visibility
Limits the call
  • Pipeline-to-contract timing not forecastable by management
  • Single-project mix drives group gross margin
Methodology

Forward P/E on FY27E cross-checked vs. peers

In one line · bull case

SRT is finally delivering scaled revenue and profit from a £350m sovereign MDA order book with real operating leverage and a repaired balance sheet, priced at a reasonable but not cheap forward multiple.

In one line · biggest risk

Continued pipeline-to-contract timing slippage on large sovereign projects — the exact same failure mode that caused the FY24 profit warning — could push earnings out again and reset expectations lower.

Drivers
AI beneficiary 30 /100
AI is used inside SRT-MDA for analytics but SRT is a sovereign-defense/border-security play, not an AI capex receiver.
Operating leverage 60 /100
Systems business has meaningful gearing — H1 FY26 revenue nearly doubled while admin costs grew ~20%; management flags 'critical mass' reached.
Earnings vs expectations 45 /100
One major miss (FY24 profit warning June 2024) balanced by two subsequent in-line periods; net rating around 'more misses than beats' historically.
Growth momentum 75 /100
FY26 revenue +49%, PBT +105%; H1 FY26 revenue +95%; clearly accelerating.
Moat 50 /100
Established sovereign references and 5,000-partner transceiver distribution create switching costs but competitors could emerge; narrow rather than wide moat.
Earnings quality 40 /100
Complex working capital, restricted cash, lumpy government-contract revenue recognition, historical going-concern emphasis-of-matter — quality is average at best.
Management quality 40 /100
Delivers eventually but repeated dilution, timing slippage, related-party arrangements with Ocean Infinity, and a Philippines complaint against the CEO temper the rating.
Cyclicality 40 /100
Underlying demand (sovereign border security) is defensive but project timing creates significant reported lumpiness.
Leverage 30 /100
Net debt modest (~£16m borrowings vs £30m unrestricted cash post-FY26); balance sheet materially improved by April 2026 £16m raise.
Value-trap signals · 5
  • Repeated equity dilution (three placings 2023-2026 taking share count from 192m to 273m)
  • History of contract-timing slippage causing major FY24 profit warning
  • Related-party transactions with Ocean Infinity (bridge loan, warrants, board seat)
  • Historic going-concern emphasis-of-matter in audit reports
  • Customer/project concentration — single project drove group gross-margin compression in FY26

SRT Marine Systems PLC (AIM: SRT) — Research Note

Executive summary

SRT is a UK-listed provider of two related maritime businesses: (1) integrated maritime domain awareness ("MDA") surveillance systems sold to sovereign coast guards and fishery agencies as multi-year turnkey projects (~90% of FY26 revenue) and (2) AIS/VHF navigation-safety transceivers sold globally through ~5,000 distributors 2026-03 half-year; 2026-07 FY26 trading update. After years of losses, delivery delays and repeated dilution, the group has inflected: FY26 revenue reached £116m (+49% YoY) and PBT £10m (+105% YoY) with a £57m gross cash balance and a £350m active order book plus £1.8bn validated pipeline 2026-07 FY26 trading update. The single most important valuation point today is that the market is being asked to underwrite continued pipeline-to-contract conversion after a track record of significant slippage — the shares are close to fair on FY27 numbers but the "long-tail" upside case requires trusting execution.

Fair value estimate

  • Methodology: forward P/E cross-checked against sum-of-parts. FY26 PBT of £10m was depressed by gross-margin compression on one project (H1 FY26 gross margin fell to 27% vs. 46% in the prior H1) 2026-03 half-year. FY27 consensus commentary in the FY26 update signals confidence in continued growth from the £350m order book and expected new-contract conversions.
  • Assumptions: FY27 revenue £150–170m (+30–45%, supported by £227m remaining active book and pending £195m contract activation), PBT margin recovering to 11–14% giving PBT of £17–24m, effective tax ~20%, giving net income £13–19m. On 273m post-raise shares that implies EPS of 5–7p. Applying a 16–20x forward multiple (small-cap defense/gov-tech growth) gives 85–120p.
  • Implied fair-value market cap: £232m – £328m (mid ~£280m).
  • Vs. current £212.9m mcap: absolute upside of ~+31% at the midpoint, with a range of +9% to +54%.

Sector context

Classified in ICB Telecommunications, but this is really a defense-tech / gov-tech / maritime surveillance business — the ICB label is misleading. Relevant listed peers: Kromek (KMK, radiation detection), Thruvision (THRU, security screening — very small), QinetiQ (QQ., larger defense-tech). Quality, growth and leverage profile is now better than typical AIM peers on growth (49% YoY), similar on leverage (modest net debt), but earnings quality is weaker (lumpy government-contract revenue, restricted cash, recurring going-concern emphasis-of-matter until FY26 audit).

Investment thesis

  1. Sovereign MDA is a real, growing category with a first-mover reference base. Five active sovereign customers, £350m active order book, new sovereign signed in March 2026 worth £195m pending finance activation, and a validated £1.8bn pipeline "impossible to precisely time" but growing 2026-07 FY26 trading update; 2026-03 half-year. Once a sovereign adopts SRT-MDA, follow-on expansion contracts follow (the "Sovereign Partnership" model).
  2. Operating leverage is now emerging. Management said H1 FY26 was the point at which delivery/sales headcount reached "critical mass" and thereafter should grow at a reduced rate 2026-03 half-year. FY26 delivered PBT growth of 2x revenue growth despite margin compression on one project — evidence that incremental revenue is dropping to profit.
  3. Balance sheet is now materially stronger. Post the £16m April 2026 raise at 82p and FY26 cash generation, gross cash is £57m (£30m unrestricted). Loan notes were refinanced; performance-bond financing is now flowing through UKEF rather than shareholder guarantees 2026-04 result of placing; 2026-07 FY26 trading update.

Key risks

  1. Contract timing slippage has been the recurring failure mode. The June 2024 trading update was effectively a profit warning: FY24 revenues collapsed to £14.8m from expectations because of "extended customer contract administrative processes" on a Middle East contract and delayed UKEF/Indonesia inter-government loan finalization 2024-06 trading update. The £195m new sovereign contract signed 2026 remains "pending activation once the associated project finance agreement is completed" — same risk pattern 2026-03 half-year.
  2. Persistent dilution. Three placings in ~2.5 years (Dec 2023 £10.5m at 35p; Nov 2024 £8.5m at 35p; April 2026 £16m at 82p). Plus 20m warrants issued to Ocean Infinity at 35p over 3 years 2025-10 final results. Share count has grown from ~192m (Sep 2023) to ~273m today — nearly 42% dilution.
  3. Related-party and governance concerns. Ocean Infinity, a shareholder whose CEO sits on SRT's board, provided the $21.3m performance-bond guarantee for the Kuwait contract and has repeatedly participated in placings. The pre-2026 audit opinions carried both going-concern material uncertainty and asset-recoverability emphasis-of-matter paragraphs 2025-10 final results; 2024-12 final results. A complaint against the CEO in the Philippines was noted in June 2024 but the case against the CFO was dismissed 2024-06 trading update.

Operating leverage

SRT is a hybrid business but the systems side has meaningful operating leverage. Fixed costs are largely R&D (product-development capex of £4.4m in FY25, £2.3m in H1 FY26), the delivery organization, and central corporate costs 2025-10 final results; 2026-03 half-year. Administrative costs of £17.5m in FY25 (on £78m revenue) rose to only £10.2m in H1 FY26 despite revenue nearly doubling — evidence of scaling economics. Systems gross margins can be 25–30% at project-mix but data services and support (once contracts move to ongoing sustainability phase) are much higher, and the transceivers business has 42–45% gross margins 2026-03 half-year. If revenue grows 20% above expectations from an unexpected pipeline conversion, the incremental drop-through could reasonably push operating profit up 40–60%, given the mostly-fixed development and delivery cost base. Not a pure software leverage story, but real gearing is present.

Value-trap signals

  • Repeatedly missed guidance in FY24 (June 2024 warning) and long delays vs. investor expectations on new contract signings across 2023–2024
  • Repeated equity issuance at discounts, causing meaningful dilution
  • Related-party transactions with Ocean Infinity (bridge loan, warrants, board seat, and repeat participation in placings)
  • Historic going-concern emphasis-of-matter in audit reports (though improving)
  • Government/single-project customer concentration (one project's margin compression materially affected FY26 group gross margin)
  • Complex working capital: £27m of restricted cash, ~£58m trade payables vs. £37m receivables at 31 Dec 2025

Earnings vs. expectations

  • FY22 (Mar 2022): revenue £8.2m, loss £5.8m — well below original expectations; systems division deferred.
  • FY23 (Mar 2023): revenue £30.5m (+265%), small PBT loss £0.6m — recovery, in line with revised expectations.
  • FY24 (15m to June 2024): revenue £14.8m, loss £13.7m — a significant miss following the June 2024 profit warning citing customer administrative delays on Kuwait/Indonesia projects 2024-06 trading update.
  • FY25 (12m to June 2025): revenue £78.0m (+426% on 15m FY24), PBT £4.9m before exceptional — in line with market expectations 2025-07 FY25 trading update; 2025-10 final results.
  • H1 FY26: revenue £51.1m (+95%), PBT £3.1m — in line with H1 FY26 trading update 2026-01 H1 trading update; 2026-03 half-year.
  • FY26 (12m to June 2026): revenue £116m, PBT £10m — in line with market expectations per the July 2026 trading update, though gross margin on one project was lower than expected due to Middle East supply-chain disruption 2026-07 FY26 trading update.

Pattern: one large miss (FY24) followed by two "in line" delivery periods; management is now delivering to expectations, but the "expectations" bar was reset lower after the 2024 warning.

Conviction

3 — moderate.

Anchors (supporting confidence): (i) FY26 trading update just released with concrete revenue and PBT numbers, gross cash and order-book disclosure; (ii) two consecutive "in line" reporting periods after the FY24 miss establish an improving execution baseline; (iii) £350m active order book gives near-term revenue visibility.

Limits (reducing confidence): (i) key growth driver — pipeline-to-contract conversion — has no reliable timing signal, and management explicitly declines to provide dates on the £1.8bn pipeline; (ii) reliance on a single large project for gross-margin outcomes was demonstrated in FY26 when one project's margin dragged the group — hard to model project-mix a year out.

Driver scoring (0–100)

The stock does not really fit the AI-receiver thesis. Management does highlight increasing use of AI within SRT-MDA (analytics, vessel detection, data fusion) but SRT is a maritime surveillance/defense business whose demand driver is sovereign border and territorial security, not the AI capex cycle. There is thin AI-receiver alignment. Operating leverage is real, valuation is reasonable but not obviously cheap, and downside is protected by a stronger post-raise balance sheet — but execution history remains mixed. This gives a partial fit for the investor profile.

Filings consulted · 38

Every document the LLM read for this note. Click any row to open the source.

  1. 2026-07-23Fy2026 Trading Update2026-07-23_9682985_fy2026-trading-update.md0.85
  2. 2026-04-14Result OF Oversubscribed Placing2026-04-14_9517968_result-of-oversubscribed-placing.md0.70
  3. 2026-04-13Proposed Placing Subscription Amp Retail Offer2026-04-13_9517734_proposed-placing-subscription-amp-retail-offer.md0.70
  4. 2026-03-16Half Year Report2026-03-16_9474581_half-year-report.md0.90
  5. 2026-01-13H1 Fy26 Trading Update2026-01-13_9348978_h1-fy26-trading-update.md0.72
  6. 2025-12-04Result OF Agm2025-12-04_9276488_result-of-agm.md0.26
  7. 2025-10-22Final Results2025-10-22_9185767_final-results.md0.85
  8. 2025-10-16Annual Results Live Webcast Agm Amp Investor Day2025-10-16_9174178_annual-results-live-webcast-agm-amp-investor-day.md0.85
  9. 2025-07-09Fy25 Year End Trading Update2025-07-09_8969916_fy25-year-end-trading-update.md0.55
  10. 2025-03-27Half Year Trading Update2025-03-27_8799427_half-year-trading-update.md0.58
  11. 2025-01-23Result OF Agm2025-01-23_8703540_result-of-agm.md0.20
  12. 2025-01-16Trading Update H1 Fy252025-01-16_8690939_trading-update-h1-fy25.md0.55
  13. 2024-12-02Final Results2024-12-02_8583049_final-results.md0.65
  14. 2024-11-13Fundraising And Notice OF General Meeting2024-11-13_8546213_fundraising-and-notice-of-general-meeting.md0.46
  15. 2024-06-07Trading Update2024-06-07_8247497_trading-update.md0.38
  16. 2023-12-21Subscription Placing And Retail Offer2023-12-21_7955305_subscription-placing-and-retail-offer.md0.32
  17. 2023-11-20Half Year Report2023-11-20_7890422_half-year-report.md0.41
  18. 2023-10-06Half Year Trading Update2023-10-06_7800175_half-year-trading-update.md0.41
  19. 2023-09-19Result OF Agm2023-09-19_7764988_result-of-agm.md0.14
  20. 2023-07-27Final Results2023-07-27_7657721_final-results.md0.25
  21. 2023-06-23Result OF Placing2023-06-23_7592115_result-of-placing.md0.17
  22. 2023-06-23Result OF Placing2023-06-23_7592105_result-of-placing.md0.17
  23. 2023-06-23Proposed Fundraising TO Raise UP TO 3 95 Million2023-06-23_7590233_proposed-fundraising-to-raise-up-to-3-95-million.md0.17
  24. 2023-03-23Systems Contract Amp Trading Update2023-03-23_7278289_systems-contract-amp-trading-update.md0.21
  25. 2022-11-14Half Year Report2022-11-14_7370298_half-year-report.md0.23
  26. 2022-11-11Retail Investor Presentation2022-11-11_7339250_retail-investor-presentation.md0.17
  27. 2022-10-03Half Year Trading Update2022-10-03_7197380_half-year-trading-update.md0.23
  28. 2022-09-21Result OF Agm2022-09-21_7418807_result-of-agm.md0.07
  29. 2022-09-16Notice OF Agm2022-09-16_7366131_notice-of-agm.md0.07
  30. 2022-07-28Final Results2022-07-28_7181738_final-results.md0.25
  31. 2022-04-05Year End Trading Update2022-04-05_7174551_year-end-trading-update.md0.21
  32. 2022-03-11Result OF Placing Director Dealing And Tvr2022-03-11_6894750_result-of-placing-director-dealing-and-tvr.md0.17
  33. 2022-03-10Proposed Placing2022-03-10_6894419_proposed-placing.md0.17
  34. 2021-12-02Half Year Report2021-12-02_6677520_half-year-report.md0.23
  35. 2021-10-08Half Year Trading Update2021-10-08_6715012_half-year-trading-update.md0.23
  36. 2021-09-22Result OF Agm2021-09-22_6556925_result-of-agm.md0.07
  37. 2021-09-14Agm Amp Investor Presentation2021-09-14_6825523_agm-amp-investor-presentation.md0.17
  38. 2021-07-29Final Results2021-07-29_6783560_final-results.md0.25

This research note was authored by a large language model after reading 33 regulatory filings published between 2021-07-29 and 2026-07-23. Each citation refers to a specific RNS announcement in the underlying data set. The note is an opinion, not advice. Do your own work before risking capital.