What Nauplius Workboats does

Nauplius Workboats is a privately held Dutch maritime design and construction firm founded in 2006 and headquartered in Groningen, Netherlands. Co-founded by marine engineer Jaap van den Hul-Kuijten and naval architect Gerrit Knol, the company specializes in custom workboat design, build, and conversion with a focus on aquaculture, offshore wind, and marine infrastructure markets. The firm's product portfolio spans Utility Vessels (1507UV through 3514UV), Landing Utility Vessels (1907LUV, 2108LUV, 2712LUV), Crew Transfer and Survey Vessels, and a range of barges including steel feed barges developed with strategic partner Gael Force Group. Technical differentiators include proprietary hull designs optimized for stability at fish pens combined with high maneuverability, diesel-electric hybrid propulsion with Dynamic Positioning (DP) capability, and integrated biosecurity features for food industry compliance. In-house fabrication facilities in Waterhuizen handle steel, aluminium, stainless steel, and titanium work, while most vessel construction is outsourced through a flexible supply chain of partner shipyards such as Niestern Sander.

The company operates as a head contractor under Design and Build contracts, delivering turnkey custom vessels to enterprise clients worldwide. Pricing is project-specific with no standard tiers; revenue streams include custom vessel design and build (one-time license), vessel conversion services (professional services), component and equipment fabrication (hardware sales), and strategic partnership products such as SeaFeed steel barges. Customer concentration is high in Scottish aquaculture, with Inverlussa Marine Services (4+ vessels), Mowi Scotland, Cooke Aquaculture Scotland, and Organic Seaharvest as named clients. Distribution is via direct enterprise sales supplemented by trade show presence at Aquaculture UK and Seawork, and the firm markets itself through its website, press coverage, and university recruitment at NHL Stenden. In 2024, the company announced strategic partnerships with Royal IHC (DMC workboat outfitting) and continued its partnership with Gael Force Group, while developing electric and methanol propulsion technology for sustainable maritime operations.

Name

Nauplius Workboats

Legal name

Nauplius Workboats

Website

https://naupliusworkboats.com

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

1–10 employees

Short description

Nauplius Workboats is a Dutch (Groningen) custom workboat design and construction firm founded in 2006, specializing in aquaculture vessels, landing utility vessels, crew transfer vessels, and barges for enterprise clients in Scotland and Europe.

Ownership category

akta.pro rank

Product category

Workboat Manufacturing

NAICS

Boat Building (336612)

SIC

Ship & Boat Building & Repairing (3730)

akta.pro primary industry

Aquaculture & Fish-Farm Service Vessels (Feed, Wellboats, Harvest Support) (IMAJADAF)

akta.pro secondary industries

Landing Craft & Amphibious Workboats (LCM/LCT-style, Beaching Craft) (IMAJADAK), Pilot Boats & Crew Transfer/Service Craft (Pilotage, CTV-style workboats) (IMAJADAG), Marine Hybrid & Electric Propulsion Systems (IMAJAHAC)

Keywords

• Custom workboat design
• Marine vessel manufacturing
• Hybrid propulsion systems
• Offshore wind vessels
• Aquaculture workboats

Headquarters

HQ city

Groningen

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Technology or R&D

Revenue model

1. Custom Vessel Design and Build: Design and construction of custom workboats including utility vessels, landing utility vessels, crew transfer vessels, survey vessels, and barges. Delivered as turnkey vessels under design and build contracts or as head-contractor supervising all efforts.
2. Vessel Conversion Services: Conversion and upgrade of existing utility vessels to extend asset life and add functionality, such as adding cranes, hydraulic systems, and corrosion-resistant coatings
3. Component and Equipment Fabrication: In-house fabrication of water-oxygen ejectors, containerized installations (oxygen generators, hydrogen peroxide injection, fuel treatment, ballast water treatment), and custom fish farming equipment
4. Strategic Partnership Products: Steel feed barges delivered through strategic partnership with Gael Force Group, manufactured by Nauplius and equipped with SeaFeed feeding systems

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Nauplius Workboats designs and manufactures custom workboats for the maritime industry, including Landing Utility Vessels (LUVs) and Crew Transfer Vessels (CTVs). The company focuses on diesel-electric hybrid propulsion to deliver low-emission, fuel-efficient vessels tailored to operators in aquaculture, offshore wind, and marine infrastructure.

Product overview

Nauplius Workboats is a maritime vessel design, construction, and conversion company offering a portfolio of specialized workboats. The product portfolio includes Utility Vessels (1507UV, 1807UV, 2109UV, 2713UV, 3514UV) designed for aquaculture service and delousing operations with diesel-electric propulsion and DP systems; Landing Utility Vessels (1907LUV, 2108LUV, 2712LUV) combining multi-cat functionality with landing craft ramps for slipway access; Crew Transfer and Survey Vessels (2306 CTV, 1705 Survey) for personnel transfer and hydrographic survey; and Barges (2511 Flattop, Steel Feed Barges including 400T SeaFeed) for cargo, fuel, and aquaculture feed operations. The company also provides custom construction and vessel conversion services, with in-house fabrication facilities for steel, aluminium, and titanium work. Vessels serve aquaculture, offshore wind, and marine infrastructure markets worldwide.

Differentiator

Problem solved

Functional benefit

Products and services

• Landing Utility Vessel (LUV)

Quantifiable outcome

• Delousing throughput of 200-300 tonnes per hour depending on vessel model
• +2 more outcomes

Named customers5 records

Segments3 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Feature4 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Royal IHCcoreStrategic or Co-development Partner · 1 October 2024Partnership focused on outfitting and commissioning of upgraded Delta Marine Craft (DMC) workboats. Royal IHC has 300 years heritage in vessel and equipment design for dredging, defense, and offshore industries. Nauplius contributes their vessel construction and outfitting expertise to this collaboration.
• Gael Force GroupcoreStrategic or Co-development PartnerStrategic partnership for steel feed barge production. Nauplius manufactures 400T SeaFeed steel barges at their facilities while Gael Force Group handles final fitting out and SeaFeed feeding system installation at their Inverness yard. First project delivered for Mowi Scotland.
• Niestern SanderminorOthersVisible in partner logos section of website, indicating collaborative relationship for vessel construction services.
• Deme GroupminorOthersVisible in partner logos section, indicating potential collaboration or industry relationship with this maritime and dredging company.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Solvtrans: Norwegian shipyard specializing in wellboats and aquaculture support vessels, sharing Nauplius's core customer segment of salmon-farming operators and similar vessel-design requirements.
• Umoe Mandal: Norwegian shipyard delivering smaller workboats and high-speed craft, overlapping with Nauplius's lightweight aluminum construction and custom design capabilities.
• Moen Marin: Norwegian builder of aquaculture service vessels and workboats, directly comparable to Nauplius's UV and LUV product lines serving the same fish-farm customer base.
• Hukkelberg Boats: Norwegian builder of working boats and aquaculture service vessels; comparable in size, custom-build model, and customer overlap with Scottish and Nordic fish farmers.
• Brødrene Aa: Norwegian builder of light composite vessels including fast ferries and aquaculture-related craft; comparable in custom vessel design and materials engineering expertise.
• Maritime Partner: Builds aluminum workboats, pilot boats, and crew transfer vessels; comparable to Nauplius in product categories (CTV, workboat) and similar small/mid-sized custom-build operating model.

Broad incumbents

• Damen Shipyards: Major Dutch shipbuilder with broad workboat, crew transfer, and offshore vessel portfolio; competes with Nauplius at scale across multiple vessel categories Nauplius serves.
• Wärtsilä: Marine propulsion and hybrid systems supplier whose technology underpins much of the hybrid-electric workboat architecture (including Nauplius's), and which could vertically integrate into vessel design.
• Royal IHC: Large Dutch incumbent in dredging, offshore, and defense vessels; now a strategic partner of Nauplius but also a broader competitor in the workboat and offshore markets.
• Vard (Fincantieri): Global shipbuilder with offshore and specialized vessel capabilities; offers scale and engineering resources that overlap with Nauplius's aquaculture and offshore wind opportunity.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/nauplius-workboats

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Nauplius Workboats