SEA

What SEA does

SEA (Systems Engineering & Assessment Ltd), founded in 1961 and headquartered in Beckington, UK, with Canadian operations centered in Pointe-Claire, Quebec, and a new Ottawa manufacturing facility opened in September 2025, is a defence engineering firm specializing in naval ship protection and undersea battlespace systems. The company is a wholly-owned subsidiary of Cohort plc (LSE: COH) and employs over 450 people across Canada and the UK. Its product portfolio centres on two families: ship and fleet protection systems, including the Torpedo Launcher System (TLS), a weapon-agnostic rapid-reaction launcher compatible with all NATO standard lightweight torpedoes, and the Ancilia Countermeasure System, a modular decoy launcher supporting any standard 130mm NATO decoy; and undersea battlespace solutions, headlined by the KraitSense passive thin-line towed array for anti-submarine warfare (ASW) deployment on crewed and uncrewed platforms, complemented by the KraitOptimise situational awareness tool and the KraitArray thin-line acoustic array for autonomous underwater vehicle integration. The technology is differentiated by 60+ years of accumulated domain expertise, 40+ years of torpedo and decoy launcher development, modular open-architecture design enabling JSON-based reconfiguration without code changes, and miniaturized form factors that allow ASW capability deployment on smaller vessels including OPVs, submersibles, and coastal patrol craft.

SEA generates revenue through long-cycle defence procurement contracts with allied government navies, working both directly with end customers such as the UK Royal Navy, Royal Canadian Navy, and Royal Malaysian Navy, and indirectly as a subsystem supplier to defence primes (Lockheed Martin Canada) and shipbuilders (Irving Shipbuilding, Vard Marine/Fincantieri). Revenue streams encompass one-time equipment contracts (for example, the £15.1 million TLS contract for the Royal Canadian Navy awarded in 2024 with completion expected in 2030), professional services including Train the Trainer and Operator & Maintainer training programmes, and managed in-service support covering on-vessel servicing, surveys, and routine updates. Contract pricing is negotiated through government procurement processes and is not publicly disclosed. The company's go-to-market leverages defence industry exhibitions (UDT, Defsec, CANSEC), direct procurement relationships, DASA innovation funding, and partnerships with technology integrators such as Kraken Robotic Systems, OSI Maritime Systems, ZeroUSV/OSHEN, and Mind Foundry. Customer concentration is high, anchored on a small set of allied navy clients and prime contractor programmes including the Canadian Surface Combatant (15 platforms over 20 years) and River-class Destroyer implementation phases.

Name

SEA

Legal name

Systems Engineering & Assessment Ltd

Website

https://canadasea.ca

Company type

Private

Founded year

1961

Operating status

Operating

Headcount range

11–50 employees

Short description

SEA (Systems Engineering & Assessment Ltd), a Cohort plc subsidiary, designs and manufactures naval defence systems including torpedo launchers, countermeasure decoy systems, and anti-submarine warfare sonar solutions for allied government navies and defence prime contractors globally.

Ownership category

akta.pro rank

Product category

Naval Defence Systems

NAICS

Ship Building and Repairing (336611)

SIC

Ordnance & Accessories, (No Vehicles/Guided Missiles) (3480), Search, Detection, Navagation, Guidance, Aeronautical Sys (3812)

akta.pro primary industry

Naval Weapons & Launch Systems (Guns, VLS, Torpedoes) (IMABAKAC)

akta.pro secondary industries

Submarine Weapons Launch & Handling Systems Manufacturing (Tubes, VLS, Racks) (IMAJAOAI), Torpedoes & Undersea Weapons (IMABAHAF), Submarine Combat Systems & Sonar Manufacturing (CMS, Sensors, EW) (IMAJAOAH), Naval Training, Simulation & Shore-Based Support Systems (IMABAKAO)

Keywords

• Naval defence systems
• Torpedo launcher systems
• Anti-submarine warfare
• Undersea battlespace
• Ship fleet protection

Headquarters

HQ city

Pointe-claire

HQ country

Canada

HQ region

North America

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Defence Equipment Contracts: SEA generates revenue primarily through long-term defence contracts with allied government navies for the supply of torpedo launcher systems, countermeasure systems, and ASW solutions. Contracts include multi-year programmes such as the Canadian Surface Combatant (CSC) programme worth £15.1 million, River-class Destroyer implementation support, and international training deals.
2. Training and Support Services: In-country training and support services for naval customers including Train the Trainer courses, Operator & Maintainer Training, and recertification programmes. Maritime support and in-service support to keep platforms operational.
3. Maritime In-Service Support: On-vessel service and support, regular surveys, maintenance, and routine updates for naval platforms and equipment throughout their operational life.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels4 records

Core offering

SEA develops, manufactures, and supports advanced naval defence systems including the Torpedo Launcher System (TLS), Ancilia Countermeasure System, and the Krait family of anti-submarine warfare (ASW) solutions. Products are delivered to allied government navies either directly or as subsystems to defence prime contractors and shipbuilders on major vessel programmes, complemented by full lifecycle training, maintenance, and in-service support.

Product overview

SEA is a defence technology company providing advanced naval systems and solutions. The product portfolio centres on ship and fleet protection (Torpedo Launcher System, Ancilia Countermeasure System) and undersea battlespace capabilities (KraitSense, KraitOptimise, KraitArray). The Torpedo Launcher System and Ancilia Countermeasure System form the ship protection suite, while KraitSense with KraitArray and KraitOptimise constitute the anti-submarine warfare family. Supporting these is maritime support and services covering training, maintenance, and in-service support. Products are sold globally to navies and delivered through Canadian manufacturing operations for the Royal Canadian Navy programme.

Differentiator

Problem solved

Functional benefit

Products and services

• Torpedo Launcher System (TLS) Intelligent rapid-reaction torpedo launcher system capable of firing NATO-standard lightweight torpedoes (US Mk44, Mk46, Mk54; UK Sting Ray; Italian A244S; French MU90; Korean Blue Shark). Weapon-agnostic, configurable, modular design for flexible platform integration. Sold to allied government navies as a ship and fleet protection subsystem.
• Ancilia Countermeasure System Highly modular, highly reliable countermeasure system with decoy-agnostic tubes and open architecture capable of launching any standard 130mm NATO decoy. Retrofittable onto existing platforms with OEM software; addresses incoming air, surface, and subsurface threats including emerging hypersonic missiles. Developed from 40+ years of decoy and torpedo launching systems experience.
• KraitSense High-performance passive thin-line towed array anti-submarine warfare (ASW) system reduced in size, weight, and power to enable ASW capability deployment from smaller crewed or uncrewed non-ASW-specialist vessels such as OPVs, submersibles, and coastal patrol crafts. Features modular architecture allowing processing stages to be reconfigured through JSON files without code changes.
• KraitOptimise Underwater situational awareness optimisation tool that uses high-quality environmental and ocean model data sources to understand underwater environment complexity and optimise sonar operations for vessels of different sizes. Complementary product to ASW-capable vessels.
• Maritime Support & Services In-service support service including on-vessel service, regular surveys, maintenance, routine updates, training, equipment handling, and hands-on instruction for platform personnel. Includes Train the Trainer, Operator & Maintainer Training, and recertification programmes. Keeps naval platforms and equipment operational throughout their lifecycle.

Quantifiable outcome

• Live parameter updates demonstrated during operational trials in Irish Sea without system downtime
• +2 more outcomes

Named customers6 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

AI capability4 records

Feature5 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• Vard Marine Inc (Fincantieri)coreChannel Partner/ Reseller/ Distributor · 3 October 2023Vard Marine, a Fincantieri company, selected SEA Canada as preferred supplier for Team Vigilance Offshore Patrol Vessel (OPV) programme. SEA Canada offers ship/fleet protection products, undersea surveillance solutions, and in-service support for Vigilance Class OPV project.
• Kaycom IncminorStrategic or Co-development Partner · 4 November 2021Former joint venture partner with SEA in creating JSK Naval Support in 2014. Kaycom's remaining 50% stake was acquired by SEA, making JSK (now SEA Canada) a wholly owned subsidiary.
• Lockheed Martin CanadacoreStrategic or Co-development PartnerSEA Canada provides torpedo launcher systems and integrated logistic support for the River-class Destroyer (RCD) programme. Lockheed Martin Canada leads the RCD programme with Irving Shipbuilding Inc. SEA delivers installation, set-to-work, acceptance, and training services for Royal Canadian Navy.
• ZeroUSV (MSubs Group)coreStrategic or Co-development PartnerZeroUSV, part of MSubs group, integrates SEA's hydrophones into its C-STARS uncrewed surface system as part of a project exploring autonomous underwater acoustic sensing networks. Project supported by UK Defence Innovation (DASA) and Dstl, based at Turnchapel Wharf in Plymouth.
• OSHENminorStrategic or Co-development PartnerMarine autonomy specialist OSHEN integrating SEA hydrophones into its C-STARS uncrewed surface micro-drone system for distributed acoustic monitoring networks.
• Defence Science and Technology Laboratory (Dstl)coreStrategic or Co-development PartnerUK Defence Science and Technology Laboratory supporting the autonomous underwater acoustic sensing network project with ZeroUSV and OSHEN.
• Kraken Robotic SystemsminorStrategic or Co-development PartnerCollaboration to develop enhanced autonomous underwater sonar solution. Kraken's ThunderFish AUV platform integrates SEA Canada's KraitArray sonar technology, providing increased scalability and adaptability for Canadian Navy and export.
• OSI Maritime SystemsminorStrategic or Co-development PartnerCollaboration to provide enhanced flexibility and underwater capability for maritime applications. Combining SEA Canada's open mission system with OSI's ECPINS WECDIS navigational software for enhanced 3D tactical underwater picture and anti-submarine warfare capability on smaller platforms.
• Irving Shipbuilding InccoreChannel Partner/ Reseller/ DistributorIrving Shipbuilding leads the River-class Destroyer (RCD) programme and Canadian Surface Combatant (CSC) programme, supported by Lockheed Martin Canada and consortium partners. SEA provides torpedo launcher systems and support services through these programmes.
• Lumut Naval Shipyard (LUNAS)minorChannel Partner/ Reseller/ DistributorContract with LUNAS for in-country training and support to Royal Malaysian Navy, building on SEA's existing relationship following torpedo launcher system contract extension.

Scale indicators8 records

Recent moves7 records

Expansion highlights6 records

Others

• Cohort plc: UK-listed parent of SEA and five other defence technology subsidiaries. Not a direct competitor but a closely related entity; provides public-market comparables for valuing SEA's defence-niche business model and capital allocation approach.

Broad incumbents

• Saab: Swedish defence group with naval combat systems, underwater vehicles, and sensor offerings. Overlaps SEA in undersea battlespace and ship-protection content for the Swedish Navy and export markets.
• Thales: Global defence prime with significant naval combat systems, sonar arrays, and torpedo-related product lines. Overlaps SEA in undersea sensing and ship protection, but competes as a fully bundled prime rather than a focused subsystem specialist.
• L3Harris Technologies: US-headquartered defence prime with naval sensors, communication systems, and undersea warfare product lines. Comparable in naval electronics and undersea sensing, particularly across Five Eyes naval customers.
• BAE Systems: UK-headquartered defence prime that builds naval combatants and integrates combat/weapon systems including torpedo handling. Comparable as a buyer of subsystems and as a potential competitive integrator of similar functionality to SEA's TLS and Ancilia.
• Leonardo: Italian defence prime with its own lightweight torpedo (MU90) and naval combat management systems. Directly comparable in torpedo-related content and naval weapons integration, though at much larger scale and broader portfolio.

Direct peers

• Atlas Elektronik (Thales): Germany-based naval sensor and combat systems specialist (now part of Thales), focused on sonar, torpedo defence, and mine countermeasures. Directly comparable in ASW towed arrays, countermeasure launchers, and undersea domain capabilities.
• Ultra Electronics: UK-headquartered defence electronics specialist with overlapping naval sonar, ASW, and combat-system integration offerings. Comparable as a tier-2 UK naval systems supplier selling to the Royal Navy and allied primes, much like SEA.
• HENSOLDT: European defence sensor house with strong naval sonar, radar, and electronic warfare offerings. Comparable as a specialist sensor and naval-defence supplier addressing the same European and allied naval customer base.

Emerging players

• Kraken Robotic Systems: Canadian uncrewed underwater systems company that partners with SEA to integrate KraitArray onto ThunderFish AUVs. Adjacent in undersea sensing and autonomous platforms, and a potential competitor as it expands its own acoustic and sonar stack.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/sea-canada

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about SEA