What Hydrus Engineering does

Hydrus Engineering S.A. is a private Greek engineering firm founded in December 2009 in Athens, operating across maritime, energy, and defence sectors. The company delivers integrated Engineering, Procurement, and Construction (EPC) services spanning new building supervision, ship design, repair, conversion, retrofit, and modernization projects. Its core maritime offering targets deep-sea and short-sea commercial shipping, leisure/yachting, and offshore operators, with specialized on-site presence at major Asian shipyards including Hyundai Heavy Industries, HD Hyundai Vietnam, NACKS, DACKS, and New Times Shipbuilding. Proprietary technology assets include the EniSolv ship performance and emissions monitoring platform (400+ vessels registered, launched 2013), 3D modeling and production design capabilities, and an Innovation Hub managing a €30m+ portfolio of EU-funded R&D projects focused on alternative fuels (ammonia, liquid hydrogen, methanol, biofuels), port electrification, and decarbonization.

The business operates on a professional services revenue model with project-based B2B pricing (not publicly disclosed), distributed across five service lines: Engineering Design, Technical Division (defence system design, reverse engineering), Marine Division (supervision, attendance, procurement), New Building (plan approval, sea trials), and the Innovation Hub. The company has expanded beyond maritime into energy (port OPS infrastructure across Mediterranean ports, alternative fuel bunkering, hydrogen valley demonstrations) and naval defence (participation in the €87m MMPC PeSCO programme alongside Naval Group, Fincantieri, and Navantia). It holds NATO compliance certification alongside ISO 9001, ISO 14001, and ISO 45001 certifications, and maintains an affiliated ecosystem including Enisolv, Watermelon, PROTEUS, Energy Competence Center, and Sustainable Ship Design Lab. With 200+ team members, offices in Athens, Shanghai, and Limassol, and a founder/management-owned ownership structure, Hydrus operates as a mid-sized European engineering services firm with a multi-sector, EU-funded growth profile.

Name

Hydrus Engineering

Legal name

Hydrus Engineering S.A.

Website

https://hydrus-eng.com

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

101–250 employees

Short description

Hydrus Engineering is a Greek-founded, Athens-headquartered private engineering firm delivering integrated EPC services across maritime, energy, and defence sectors, including new building supervision, ship design, retrofit, alternative fuels engineering, and naval vessel design for shipyards, shipping companies, ports, and European naval forces.

Ownership category

akta.pro rank

Product category

Marine Engineering Services

NAICS

Engineering Services (54133), Ship Building and Repairing (336611)

SIC

Engines & Turbines (3510), Misc Industrial & Commercial Machinery & Equipment (3590)

akta.pro primary industry

Propulsion, Power & Energy Systems Design (Diesel, Hybrid, Electric, Alternative Fuels) (IMAJAGAE)

akta.pro secondary industries

Retrofits, Upgrades & Compliance Conversions (Scrubbers, BWTS, Alternative Fuels, Energy-Saving Devices) (TLAHAMAI), Offshore Vessel Life Extension, Major Conversion & Rebuild (EPC/Integration) (IMAJACAJ)

Keywords

• Maritime engineering services
• Ship design consulting
• Marine supervision services
• Port electrification engineering
• Naval ship design

Headquarters

HQ city

Athens

HQ country

Greece

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering Design Services: Comprehensive engineering services for new building, ship design, repair, conversion, retrofit projects across maritime, energy and defence sectors delivered using EPC (Engineering, Procurement, and Construction) approach with on-site supervision
2. Technical Division Services: Technical services including system design, integration design, reverse engineering, and engineering consultancy for defence sector
3. Marine Division Services: Supervision (dry-dock, repair, conversion, retrofit), attendance services (condition, damage, pre-purchase), HSSQEE services (Rightship, DBMS, TMSA, Vetting, AMSA), procurement services, and installation services
4. New Building Services: Project management, design assessment, shipyard appraisal, contract specification review, plan approval, supervision during construction, and sea trials attendance for new vessel construction
5. Innovation Hub / R&D Projects: EU-funded research and innovation projects including NH3CRAFT, LH2CRAFT, SAFeCRAFT, TRIERES, HS4U, ECOMARE, OPTINET, EALING, ALFION, CIPORT, CENTAVROS, and DECOMPRESS

Go-to-market motion2 records

Distribution channels4 records

Marketing channels9 records

Core offering

Hydrus Engineering provides integrated engineering design, supervision, and project management services for new vessel construction, ship repair, conversion, retrofit, and port electrification projects across maritime, energy, and defence sectors. Services are delivered through an EPC (Engineering, Procurement, and Construction) approach with on-site site offices established at major global shipyards, supported by proprietary EniSolv ship performance and emissions monitoring platform and an Innovation Hub coordinating EU-funded alternative fuels and decarbonization R&D.

Product overview

Hydrus Engineering S.A. is a global engineering organization offering integrated solutions across maritime, energy, and defence sectors. The company operates through an ecosystem of affiliated entities including EniSolv (performance monitoring and emissions services), Watermelon (technology and market analysis), and PROTEUS consortium (port energy solutions). The Innovation Hub serves as the central R&D division coordinating multiple EU-funded research projects including NH3CRAFT (ammonia storage), LH2CRAFT (liquid hydrogen containment), SAFeCRAFT (sustainable alternative fuels), TRIERES (hydrogen valley), HS4U (health solutions), ECOMARE (emissions optimization), and EALING (port electrification). Core service offerings span new building, ship design, repair, conversion, retrofit, and modernization projects delivered via Engineering, Procurement and Construction (EPC) approach, with specialized divisions for maritime, technical, marine, and new building operations.

Differentiator

Problem solved

Functional benefit

Products and services

• Engineering Design Services Comprehensive engineering design services for new building, ship design, repair, conversion, and retrofit projects across maritime, energy, and defence sectors, delivered using an EPC (Engineering, Procurement, and Construction) approach for shipyards, shipping companies, and port authorities.
• Marine Supervision Services Marine supervision and survey services including dry-dock, repair, conversion, and retrofit supervision; condition, damage, and pre-purchase attendance; HSSQEE services (Rightship, DBMS, TMSA, Vetting, AMSA); procurement services; and installation services for shipyards and shipping operators.
• New Building Services Project management, design assessment, shipyard appraisal, contract specification review, plan approval, supervision during construction, and sea trials attendance for new vessel construction at major Asian and global shipyards.
• Technical Division Services Technical services including system design, integration design, reverse engineering, and engineering consultancy primarily for defence sector clients and naval programmes, including the Multi Modular Patrol Corvette (MMPC) under PESCO.
• Innovation Hub R&D Services Coordination and execution of EU-funded research and innovation projects including NH3CRAFT (ammonia storage), LH2CRAFT (liquid hydrogen containment), SAFeCRAFT (sustainable alternative fuels), TRIERES (hydrogen valley), HS4U (passenger ship health solutions), ECOMARE (emissions optimization), EALING (port electrification), and FLEETfor55 (waterborne transport decarbonization).
• EniSolv Performance and Emissions Monitoring Service Ship performance monitoring and emissions monitoring services provided through the proprietary EniSolv platform, offering real-time monitoring of vessel performance across commercial fleets for shipping operators seeking energy efficiency and emissions compliance.

Quantifiable outcome

• 3,000+ projects executed since founding
• +6 more outcomes

Named customers8 records

Segments7 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

17 partnerships are on record, tiered flagship, core and strategic.

• FLEETfor55 ConsortiumflagshipStrategic or Co-development Partner · 1 January 2024EU-funded project (1 of 2 selected from 9 proposals) for sustainable energy efficiency technologies roadmap for waterborne transport towards fit-for-55 compliance. 3.5 year duration, 22 European partners including NTUA, ABS, RINA, DNV, Fincantieri, Attica Group.
• Multi-Modular Patrol Corvette (MMPC) ConsortiumflagshipStrategic or Co-development Partner · 1 January 2021European PeSCO project involving naval forces of Spain, France, Italy, Norway, and Greece. €87 million funding for concept/feasibility studies and initial design for next generation naval vessel. Hydrus serves as design team member alongside Naval Group, Fincantieri and Navantia.
• AVEVAcoreTechnology or Integration · 1 January 2012Cooperation initiated in 2012 with global leader in industrial software solutions. Partnership strengthened by integrating software solutions from more than 30 established and specialized providers.
• EnisolvcoreStrategic or Co-development PartnerAffiliated consultancy and technology company offering ship performance monitoring and emissions monitoring services and technological solutions for the maritime sector. Over 400 commercial vessels registered under EniSolv services.
• WatermeloncoreStrategic or Co-development PartnerAffiliated consultancy firm specializing in technology uptake, market analysis, due diligence, regulatory and policy framework analysis, technology review, application studies, investment analysis and project financing.
• PROTEUS ConsortiumcoreStrategic or Co-development PartnerConsortium offering holistic approach to assessing innovative technological solutions that enhance energy efficiency of ports, bridging the energy and maritime sectors.
• Energy Competence CenterstrategicStrategic or Co-development PartnerSpinoff company led by National Technical University of Athens (NTUA) that supports and promotes innovation, entrepreneurship and technical competencies among enterprises in the energy sector.
• Sustainable Ship Design LabstrategicStrategic or Co-development PartnerEngineering consultancy firm specializing in ship design and conversion of coastal ferries, focusing on incorporating innovative hybrid and alternative fuel technologies to promote decarbonization.
• Horizon Europe Programme PartnersflagshipStrategic or Co-development PartnerCoordinated NH3CRAFT, LH2CRAFT, SAFeCRAFT, HS4U projects under Horizon Europe programme for alternative fuels research. 4 consecutive successful project proposals coordinated by Hydrus Innovation Hub.
• Clean Hydrogen Partnership (Hydrogen Europe, Hydrogen Europe Research)coreStrategic or Co-development PartnerTRIERES project under Clean Hydrogen Partnership creating Small Scale Hydrogen Valley at Motor Oil Refinery of Agioi Theodoroi in Corinth, demonstrating multiple hydrogen applications.
• Connecting Europe Facility (CEF) PartnerscoreStrategic or Co-development PartnerProjects including EALING, ELEMED, ALFION, CIPORT, CENTAVROS, and ALFION-INFRA for Onshore Power Supply (OPS) infrastructure development in Mediterranean ports.
• Hyundai Heavy IndustriescoreImplementation/ SI/ Consulting PartnerMajor Korean shipyard partner for new building projects including Suezmax Tankers and dual-fuel LPG carriers. Host of LH2CRAFT General Assembly meeting.
• HD Hyundai Vietnam ShipbuildingcoreImplementation/ SI/ Consulting PartnerVietnam shipyard partner for LR2 Tanker construction with delivery and naming ceremonies attended by Hydrus site office team.
• NACKS (Nantong Absolute Changxing Shipbuilding)coreImplementation/ SI/ Consulting PartnerChinese shipyard partner for Supramax Bulk Carrier construction with multiple vessel deliveries and naming ceremonies.
• DACKS (Daewoo Atlas Shipbuilding)coreImplementation/ SI/ Consulting PartnerKorean shipyard partner for Supramax Bulk Carrier construction with sea trials and delivery ceremonies.
• SWS (Yangzhou Sunline Giant Shipbuilding / New Hantong Heavy Industry)coreImplementation/ SI/ Consulting PartnerChinese shipyard partner for LR2 Tanker construction with steel cutting ceremonies for series of projects.
• European Defence Fund (EDF)strategicStrategic or Co-development PartnerAccess to funding for research and innovation in naval ship design, facilitating technology transfer and know-how sharing within system-of-systems approach aligned with EU strategic defence goals.

Scale indicators12 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• ABS (American Bureau of Shipping): US-based classification society with strong alternative-fuels, performance monitoring, and EU research consortium activity. ABS is a named partner in FLEETfor55 alongside Hydrus and provides the same ship-design and decarbonization services Hydrus supplies.
• DNV: Norwegian classification society with a maritime advisory practice spanning ship design review, alternative-fuels transition services, EU project coordination, and emissions monitoring — directly comparable to Hydrus' newbuilding supervision and EU R&D consortium leadership (DNV is a partner in FLEETfor55).
• BMT Group: Independent maritime engineering consultancy delivering ship design, naval architecture, alternative-fuels integration, and defence vessel engineering. BMT operates a near-identical service mix to Hydrus, including naval design work for the UK Royal Navy and allied fleets.
• Lloyd's Register: UK classification society offering ship design approval, decarbonization advisory, performance monitoring (LR digital platforms), and EU R&D consortium participation — a one-to-one analogue for Hydrus' marine engineering services and regulatory-led advisory work.
• Bureau Veritas: Global marine classification society offering ship design approval, alternative-fuels advisory, performance monitoring, and survey services — overlapping Hydrus' core marine engineering, retrofit, and emissions work. Bureau Veritas also coordinates major EU decarbonization initiatives, mirroring Hydrus' Innovation Hub positioning.
• Royal HaskoningDHV: Dutch engineering consultancy with a dedicated maritime and ports practice covering ship design support, OPS engineering, port electrification, and alternative-fuels infrastructure. Overlaps Hydrus' port-OPS and energy-sector work on a project-services basis.
• RINA: Italian classification and engineering group providing ship design, classification, alternative-fuels consulting, and EU project participation. RINA is named alongside Hydrus in FLEETfor55 and shares maritime-energy-port crossover exposure comparable to Hydrus' Energy Sector work.

Broad incumbents

• Wärtsilä: Finnish marine technology company and engine/turbine OEM with strong alternative-fuels (ammonia, hydrogen, methanol) platforms. Wärtsilä is both a potential supplier and competitor to Hydrus on engine-room retrofit and alternative-fuels integration design services.
• Fincantieri: Italian shipbuilder and MMPC consortium partner alongside Hydrus, Naval Group, and Navantia. Fincantieri is both partner and adjacent peer given overlapping naval and cruise design capability that can absorb some of the engineering services Hydrus supplies in defence programmes.

Emerging players

• Elomatic: Finnish marine and offshore engineering consultancy with ship design, retrofit, and alternative-fuels expertise. Elomatic is smaller and more focused than Hydrus but competes for similar alternative-fuels and offshore-vessel design mandates in Europe.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/Hydrus.Engineering
• LinkedIngr.linkedin.com/company/hydrus-engineering-ltd-
• Xx.com/HydrusLtd

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries5 records

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 Hydrus Engineering