ACUA Ocean
"Revolutionising maritime operations, monitoring and data collection"
UK (Plymouth) builder of the Pioneer-class uncrewed surface vessel, the first USV to gain MCA Workboat Code 3 approval for UK coastal operations.
ACUA Ocean Limited is a maritime technology company headquartered at Turnchapel Wharf in Plymouth, England, incorporated in November 2020 by founders Neil Tinmouth (CEO) and Mike Tinmouth (COO). The company designs and builds uncrewed surface vessels (USVs) for defense, maritime security, and ocean-data collection, positioning its vessels as dual-use platforms serving both military and commercial or scientific customers.
Its flagship product is the Pioneer-class USV, a modular vessel designed for extended endurance and payload flexibility. In 2025, Pioneer became the first uncrewed vessel to receive UK Maritime and Coastguard Agency Workboat Code 3 approval, following an earlier Lloyd's Register Approval in Principle granted in 2022 -- regulatory milestones that let the vessel operate in UK coastal waters under a recognized safety framework rather than only as an experimental craft. ACUA Ocean has used the platform for applications including maritime intelligence, surveillance and reconnaissance (ISR), submarine-detection support, communications relay, environmental and infrastructure monitoring, and hydrographic survey work.
The company has been active in UK defense-adjacent trials through 2026: it took part in a 1.2 million GBP "Smart Sound Connect" demonstration of multi-vessel marine robot autonomy off Plymouth, contributed its autonomous surface vessel platform to a maritime counter-drone partnership, and trialed a robotic boat with the Royal Navy for autonomous launch and recovery of drones at sea. Earlier funding and validation included a 2021 award from the UK Department for Transport and backing from Katapult Ocean, plus a win in the ProDrive Rapid Challenge.
ACUA Ocean belongs to industry bodies including the Maritime Industries Association, UK Chamber of Shipping, Workboat Association, Global Underwater Hub, Make UK Defence, and ADS Group, reflecting its position within the UK's defense and maritime-autonomy supply chain. Coverage of the company has appeared in The Economist, the BBC, the Telegraph, UK Defence Journal, and Navy Lookout. Based on the team listing on its own site, staffing has grown to roughly 40 people. Its differentiation from other USV builders is a specific focus on regulatory-compliant, class-approved surface vessels intended to operate alongside crewed and uncrewed assets in UK coastal and near-shore defense scenarios, rather than purely experimental research platforms.
Primary type & automation activities this supplier delivers:
Pioneer-Class USV
Pioneer-Class USV is a SWATH unmanned surface vessel carrying up to 7 tonnes of modular payload for maritime ISR, survey and defense missions.
Contact ACUA Ocean
WEBSITE
https://www.ocean.tech/HEADQUARTERS
United Kingdom
Company Facts
Founded
2020
Primary Role
Manufacturer
Company Size
employees 10-50
Primary Region
Europe
Annual Sales
-
Funding Stage
-
Funding Total
-
Certifications & Memberships
Royal Navy Tests Robotic Boat for Autonomous Drone Launching in Maritime Surveillance
The Royal Navy is conducting trials of a robotic boat designed to autonomously launch and recover drones at sea, enhancing uncrewed maritime surveillance capabilities. This initiative, in collaboration with ACUA Ocean and Teledyne FLIR Defense, aims to improve persistent aerial reconnaissance while minimizing risks to personnel. The system integrates an uncrewed surface vessel (USV) with a tethered uncrewed aerial system (T-UAS), allowing for extended surveillance operations. This development is significant as it represents a new approach to maritime surveillance, combining aerial and surface capabilities into a single autonomous system. The SkyCarrier and SkyRanger R70 drones, utilized during the trials, are equipped with advanced AI and imaging technologies, enabling them to perform demanding surveillance missions. The ability to maintain a stable tether connection allows for longer operational durations and continuous power supply, which is crucial for effective surveillance in challenging sea conditions. Looking ahead, the Royal Navy's exploration of this technology could lead to enhanced capabilities in anti-submarine warfare, mine countermeasures, and the protection of critical maritime infrastructure. No further timeline was disclosed at the time of publication.
AI and Robotics
Frankenburg Technologies Partners with Babcock and ACUA to Develop Maritime Counter-Drone Systems
Frankenburg Technologies has signed a Memorandum of Understanding with Babcock International and ACUA Ocean Technologies to develop integrated maritime counter-drone air defense systems. This collaboration aims to address the increasing threat of uncrewed aerial systems in naval environments by combining Frankenburg's low-cost interceptor missile technology, Babcock's defense engineering expertise, and ACUA's autonomous surface vessel platforms. The partnership is significant as it reflects growing concerns among defense organizations regarding the proliferation of low-cost attack drones, which have proven effective in recent conflicts. Traditional air defense systems are often costly, creating a demand for more affordable interception technologies. The integrated solutions being developed will focus on detecting, tracking, and defeating hostile drones in maritime settings, enhancing the protection of naval vessels and critical infrastructure. Looking ahead, the collaboration aims to deliver scalable and cost-effective counter-UAS solutions that can be rapidly deployed and easily integrated into existing defense networks. No further timeline was disclosed at the time of publication.
Military
ACUA Ocean and Teledyne FLIR Defense Complete UKDI Funded Demonstration of Integrated Tethered UAS and USV
ACUA Ocean and Teledyne FLIR Defense have successfully conducted a two-day demonstration funded by UK Defence Innovation (UKDI). This event showcased the integration of a tethered uncrewed aerial system (T-UAS) and an uncrewed surface vessel (USV) capability, specifically using Teledyne FLIR’s SkyCarrier™ UAS platform and the USV Pioneer. The demonstration validated the operational performance of the combined system in open-ocean conditions, addressing a critical operational gap for the Royal Navy and UK defence. The USV Pioneer, which has already completed multiple ISR contracts, exhibited superior seakeeping capabilities, significantly enhancing maritime intelligence, surveillance, and reconnaissance. Looking ahead, the successful integration of the T-UAS with the USV Pioneer opens avenues for further development and potential commercial deployment. No further timeline was disclosed at the time of publication.
acua ocean teledyne flir defense ukdi funding demonstration tethered uas uncrewed surface vessel (usv)
University of Plymouth Launches £1.2 Million Multi-Robot Demonstration at Smart Sound Connect
The University of Plymouth has successfully completed a significant underwater trials demonstration at the Smart Sound Connect Subsurface (SSCS) project, showcasing multi-marine robotic platforms. This event featured collaboration among ACUA Ocean, ecoSUB Robotics, Seaber, and Sonardyne, highlighting the capabilities of the £1.2 million initiative aimed at enhancing marine autonomy and ocean sensing in the UK. The demonstration attracted stakeholders from various sectors, emphasizing the project's role in advancing technology in marine environments. The SSCS project enhances the existing Smart Sound Plymouth testbed by integrating a seabed node array for precise positioning and communication, alongside intelligent sensors. This infrastructure supports advanced testing capabilities for autonomous vehicles, reinforcing Plymouth's status as a leading hub for marine autonomy. The successful demonstration underscores the importance of collaborative efforts in developing ocean observing technologies that can provide actionable intelligence for climate resilience and preparedness. Looking ahead, the SSCS project aims to further develop ocean observing technologies that can transform prototypes into reliable data streams. No further timeline was disclosed at the time of publication, but the ongoing collaboration is expected to drive innovation and strengthen industry partnerships in marine autonomy and sensing technologies.
Marine Research ACUA Ocean automation autonomous underwater vehicles auv
ACUA Ocean and RS Aqua Sign MoU to Accelerate Remote Deployment of Long-Endurance and Persistent Ocean Acoustic Data Gathering AI Systems
ACUA Ocean has entered into a Memorandum of Understanding with RS Aqua, a company focused on advancing ocean exploration and conservation through innovative technology and expertise. This partnership aims to enhance the discovery and understanding of marine environments, ultimately contributing to their protection. The agreement was formalized recently, signaling a commitment from both organizations to collaborate on initiatives that leverage their respective strengths in oceanic research and technology. By combining resources and knowledge, ACUA Ocean and RS Aqua seek to address pressing challenges facing the oceans and promote sustainable practices in marine management.
acua ocean rs aqua mou ocean acoustic data gathering ai
ACUA Ocean led consortium secures UK government backing for 145ft Multi-Role Uncrewed Offshore Support Vessel
A consortium led by ACUA Ocean, which includes partners Houlder, Ad Hoc Marine Designs, Trident Marine, and the University of Southampton, has received backing from the UK government to advance the development of a new class of medium-sized uncrewed support vessels. This initiative aims to enhance maritime operations and support various marine activities, reflecting a growing interest in innovative, unmanned technologies within the maritime sector. The project underscores the UK government's commitment to fostering advancements in marine engineering and technology, with the consortium set to leverage its collective expertise to design and build these vessels. The development is expected to take place over the coming years, contributing to the evolution of the maritime industry and promoting sustainable practices in marine operations.
acua ocean usv houlder
UK’s first ROUV certified under Workboat Code 3 as Lloyd’s Register awards compliance to ACUA Ocean’s PIONEER
Lloyd’s Register has granted the UK’s inaugural certification for a remotely operated and unmanned vessel (ROUV), marking a significant milestone in maritime innovation. The certification was awarded to the hydrogen-powered vessel PIONEER, developed by ACUA Ocean, under the Maritime and Coastguard Agency’s Workboat Code Edition 3 (WBC3) Annex 2. This achievement not only highlights advancements in autonomous maritime technology but also underscores the growing emphasis on sustainable energy solutions within the industry. The certification process involved rigorous assessments to ensure compliance with safety and operational standards, paving the way for the integration of unmanned vessels into commercial maritime operations.
acua ocean usv pioneer vessel
