{"id":"e0dd3cde-6bec-4264-b181-71b07068e36c","name":"ACUA Ocean","slug":"acua-ocean","description":"ACUA Ocean is a Plymouth, UK-based maritime cleantech company developing hydrogen-powered uncrewed surface vessels (H-USVs) for open ocean monitoring and data collection. Founded in 2020 by brothers Neil and Mike Tinmouth, the company's [Pioneer-class H-USV](/models/pioneer-class-h-usv) became the first remotely operated hydrogen-powered vessel certified under the UK Maritime and Coastguard Agency's Workboat Code Edition 3. ACUA Ocean's vessels serve defence, offshore energy, and marine conservation sectors with up to 40 days of endurance on hydrogen-electric power.","status":"private","founded":2020,"hq":"Plymouth, United Kingdom","hqLat":50.3714122,"hqLng":-4.1424451,"hqGeocodedAt":"2026-08-05T14:17:53.279Z","hqAddress":null,"hqPrecision":null,"website":"https://www.ocean.tech/","fundingTotal":"7060000","type":"hardware","roles":["robot_maker","robot_operator"],"reviewStatus":"reviewed","heatIndex":75,"lifecycleState":"active","supersededByCompanyId":null,"sources":[{"url":"https://www.ocean.tech/","title":"ACUA Ocean: USV Solutions for Maritime Defense","sourceName":"ACUA Ocean"},{"url":"https://www.ocean.tech/technology","title":"Modular Unmanned Surface Vessel for Offshore Operations","sourceName":"ACUA Ocean"},{"url":"https://www.ocean.tech/payloads","title":"Maritime Payload Integration for Modular Offshore Systems","sourceName":"ACUA Ocean"}],"keyFacts":[{"label":"Total funding","value":"GBP5.5M (GBP1.5M pre-seed + GBP4M UK government R&D)"},{"label":"Product","value":"Pioneer-class H-USV (hydrogen-powered, zero-carbon)"},{"label":"Milestone","value":"World's first 24-hour continuous hydrogen-powered USV operation"},{"label":"CEO","value":"Neil Tinmouth"},{"label":"COO","value":"Mike Tinmouth"},{"label":"CTO","value":"Oli Mulcahy MBE"},{"label":"CFO","value":"Nicole Kapel"},{"label":"Key investor","value":"StealthPoint (lead), Britbots, Katapult Ocean"},{"label":"Certification","value":"MCA Workboat Code Edition 3 Annex 2 (world-first for hydrogen-powered USV)"},{"label":"Pioneer uncrewed surface vessel","value":"ACUA Ocean describes its Pioneer as a modular uncrewed surface vessel for offshore operations, using a SWATH hull and a central moonpool for system integration ([ACUA Ocean technology](https://www.ocean.tech/technology)).","sourceUrl":"https://www.ocean.tech/technology"},{"label":"Modular payload integration","value":"ACUA Ocean presents payload integration for offshore systems including underwater sensors, towed arrays and remotely operated vehicles ([ACUA Ocean payloads](https://www.ocean.tech/payloads)).","sourceUrl":"https://www.ocean.tech/payloads"}],"aliases":[],"collisionRisk":"low","reviewNote":null,"atsProvider":null,"atsSlug":null,"factoryLocations":null,"manufacturingCapacity":null,"orgType":null,"burnSignal":null,"litigationEvents":null,"insurancePostureDisclosed":null,"unitEconomicsDisclosed":null,"tickerSymbol":null,"stockExchange":null,"secCik":null,"revenueUsd":null,"revenueBasis":null,"revenueAsOf":null,"employeeCount":null,"employeeCountBasis":null,"employeeCountAsOf":null,"marketCapUsd":null,"marketCapAsOf":null,"marketCapSource":null,"createdAt":"2026-07-06T05:53:35.694Z","updatedAt":"2026-09-29T21:38:16.473Z","jsonLd":{"@context":"https://schema.org","@type":"Organization","@id":"https://registry.deploy.report/companies/acua-ocean","url":"https://registry.deploy.report/companies/acua-ocean","name":"ACUA Ocean","description":"ACUA Ocean is a Plymouth, UK-based maritime cleantech company developing hydrogen-powered uncrewed surface vessels (H-USVs) for open ocean monitoring and data collection. Founded in 2020 by brothers Neil and Mike Tinmouth, the company's [Pioneer-class H-USV](/models/pioneer-class-h-usv) became the first remotely operated hydrogen-powered vessel certified under the UK Maritime and Coastguard Agency's Workboat Code Edition 3. ACUA Ocean's vessels serve defence, offshore energy, and marine conservation sectors with up to 40 days of endurance on hydrogen-electric power.","identifier":"e0dd3cde-6bec-4264-b181-71b07068e36c","foundingDate":"2020","address":"Plymouth, United Kingdom","publisher":{"@id":"https://deploy.report/#organization"}},"framework_metadata":{"framework_schema_version":"0.1.0","verification_status":"verified","maturity_stage":null,"lifecycle_state":null,"architectural_position":{"cohort":null,"sub_cohorts":[]},"within_cohort_verified_vs_claimed_pair":null,"cap_flags":[],"verification_depth":{"sources_count":3,"primary_source_types":[]}}}