What Nevesbu does

Nevesbu is an independent naval architecture and marine engineering consultancy, founded in 1935 and headquartered in Rotterdam, Netherlands (relocated March 2026). The firm provides advanced engineering services across four markets: submarines, naval vessels, floating offshore energy, and special ships. Its core offering spans the full programme lifecycle — programme definition advisory, design and engineering, platform systems integration, and through-life support — and is delivered through direct, multi-year contracts with government defence clients (navies and ministries of defence) and commercial offshore operators.

The company's technical platform rests on nearly 90 years of accumulated submarine design data and proprietary engineering tools, including PHAReB (a probabilistic pressure hull analysis tool using Response Surface Method and Monte-Carlo simulation), a hydro-structural integrity tool coupling hydrodynamics with finite element analysis, the Volume Estimation Tool (VET), and a Mean Value First Principle power plant model developed with TU Delft for evaluating conventional, battery-electric, and PEM fuel cell hybrid submarine configurations. It also jointly holds patents with Iv-Offshore & Energy on floating HVAC and HVDC substation concepts for deep-sea wind energy. Concept-stage products include the e-Moray all-electric submarine and floating offshore substations designed for 400-1,500m water depths at 500-1,000 MW capacity. The firm employs approximately 117 highly educated specialists.

Nevesbu operates as a private subsidiary of Iv, a Dutch engineering group, generating revenue through bespoke professional services contracts. Its go-to-market is enterprise field sales targeting defence ministries, navies, and offshore energy operators, supplemented by participation in defence exhibitions (NEDS) and embedded partnerships with prime contractors (Naval Group, PT Len Industri) and research institutions (TU Delft). Customer logos include the Royal Netherlands Navy, Indonesian Navy (TNI AL), Spanish Navy (Armada Española), Malaysian Maritime Enforcement Agency, Pakistan Navy, EnQuest, Boskalis, and Van Oord. Pricing is contract-specific and not publicly disclosed.

Name

Nevesbu

Legal name

Nederlandsche Vereenigde Scheepsbouw Bureaux

Website

https://nevesbu.com

Company type

Private

Founded year

1935

Operating status

Operating

Headcount range

51–100 employees

Short description

Nevesbu is a Dutch independent naval architecture and marine engineering consultancy founded in 1935, providing design, platform systems integration, and through-life support to navies, defence ministries, and offshore energy operators across submarines, naval vessels, floating offshore energy, and special ships.

Ownership category

akta.pro rank

Product category

Naval Architecture and Marine Engineering Services

NAICS

Architectural, Engineering, and Related Services (5413)

akta.pro primary industry

Project Management & Owner’s Engineering / Technical Consultancy (Spec Writing, Bid Support, Site Support) (IMAJAGAO)

akta.pro secondary industries

Concept & Feasibility Naval Architecture (Requirements, Trade Studies) (IMAJAGAA), Safety, Risk & Compliance Engineering (SOLAS, Class Rules, HAZID/HAZOP, FMEA) (IMAJAGAJ), Combat & Auxiliary Naval Vessel Systems (IMABAKAA), Naval C4ISR, Communications & Electronic Warfare (IMABAKAE)

Keywords

• Naval architecture services
• Submarine design engineering
• Marine engineering consulting
• Platform systems integration
• Floating offshore energy engineering

Headquarters

HQ city

Alblasserdam

HQ country

Netherlands

HQ region

Europe

Offices2 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 and Design Services: Nevesbu provides specialized engineering and design services across submarine, naval vessel, floating offshore energy, and special ship markets. Services include program definition advisory, design and engineering, platform systems integration, and through-life support. Revenue is generated through project-based professional services contracts with government defence clients (navies, ministries of defence) and commercial offshore energy clients.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Nevesbu is an independent naval architect and platform systems integrator delivering advanced maritime engineering services across four markets: submarines, naval vessels, floating offshore energy structures, and special ships. Engagements span the full lifecycle from program definition advisory and concept/detailed design through platform systems integration to through-life support, life extension, and conversion engineering, executed under bespoke multi-year contracts with defence ministries, navies, and offshore energy operators. The firm also develops proprietary engineering tools (e.g. PHAReB, VET) and patented concept designs such as the e-Moray all-electric submarine and floating HVDC/HVAC offshore substations.

Product overview

Nevesbu is an independent naval architect and platform systems integrator offering advanced maritime engineering services across four core markets: Submarines, Naval Vessels, Floating Offshore Energy, and Special Ships. The company provides a comprehensive service lifecycle from program definition advisory through design & engineering and platform systems integration to through-life support. Key product concepts include the e-Moray all-electric submarine (100% battery powered without diesel generators), floating HVDC/HVAC substations for deep-sea wind development with patented cable and stability innovations, and specialized engineering tools like PHAReB for pressure hull analysis and hydro-structural tools for hull integrity management. The portfolio also includes life extension programs for existing vessel classes and newbuild engineering for submarines, frigates, and offshore vessels.

Differentiator

Problem solved

Functional benefit

Products and services

• Submarines Design & Engineering Independent design, engineering, and support services for newbuild submarines and submarine conversions, covering advisory in program definition, design and engineering, platform systems integration, and through-life support. Clients include national navies and submarine prime contractors requiring integration of combat and propulsion systems, pressure hull analysis, and life extension engineering.
• Naval Vessels Design & Engineering Advanced design, engineering, and consultancy services for newbuild naval vessels and vessel conversions, including platform systems integration and SEWACO (Sensors, Weapons, Communication) upgrades. Serves navies and defence ministries requiring frigate modernisation, midlife upgrades, mission system integration, and combat management system upgrades.
• Floating Offshore Energy Engineering Specialist know-how and integrated design approach for realisation, conversion, and through-life upkeep of floating offshore energy structures including FPSO conversions and redeployments, as well as innovative floating HVDC and HVAC substation concepts for deep-sea wind applications.
• Special Ships Design & Engineering Advanced concept and detailed designs for newbuild vessels and modifications of existing vessels such as research vessels, offshore support vessels, rescue vessels, patrol boats, and heavy-lift crane integrations. Targets operators of special-purpose vessels requiring reliable, advanced solutions and class society compliance.

Quantifiable outcome

• Battery-electric submarine concept achieves up to 1,950 nm submerged range and 24 days endurance; hybrid-electric achieves 2,900 nm and 42 days.
• +3 more outcomes

Named customers9 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature11 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Naval GroupcoreStrategic or Co-development Partner · 24 November 2025Nevesbu signed a contract with Naval Group during NEDS 2025 to design complex subsystems for the Orka-class submarines for the Royal Netherlands Navy, as part of the Replacement Netherlands Submarine Capability (RNSC) programme. Nevesbu is a partner within Team Orka, a growing network of Dutch companies working under Naval Group leadership. The collaboration is governed by an Industrial Cooperation Agreement (ICA) between Naval Group and the Dutch Ministry of Economic Affairs, strengthening long-term strategic autonomy in submarine maintenance and modernisation.
• PT Len Industri (Persero)coreStrategic or Co-development Partner · 16 July 2024Signing of Memorandum of Understanding (MoU) between Nevesbu and PT Len Industri (Persero) for knowledge development and long-term partnership in platform systems integration of mission systems on Indonesian naval vessels for modifications and newbuild programmes.
• PT Len Industri (Persero)coreStrategic or Co-development PartnerPT Len Industri serves as Prime Contractor and Mission System Integrator for the Indonesian Bung Tomo-class frigate modernisation programme. Nevesbu is appointed as the Platform Systems Integration partner. A formal MoU was signed in 2024 for knowledge development and long-term partnership in platform systems integration for Indonesian naval vessel modifications and newbuild programmes. The collaboration includes knowledge sharing and transfer from Nevesbu's 90 years of submarine and naval vessel expertise.
• Iv-Offshore & EnergycoreStrategic or Co-development PartnerNevesbu and Iv-Offshore & Energy jointly develop floating offshore substation concepts (HVAC and HVDC) for deep-sea wind energy applications. The partnership combines Nevesbu's 90 years of floating structure design (FPSOs, naval vessels) and motion behaviour expertise with Iv's experience in fixed HVAC and HVDC substation design. The collaboration has produced multiple patents for floating substation technology.
• Damen Shiprepair RotterdamminorImplementation/ SI/ Consulting PartnerNevesbu and Iv-Offshore & Energy acted as subcontractors to Damen Shiprepair Rotterdam for the large-scale modification of the Petrojarl I FPSO. Nevesbu provided naval architecture, marine engineering, process, structural and piping engineering expertise.
• TU DelftminorStrategic or Co-development PartnerNevesbu and TU Delft collaborated through multiple MSc graduation studies to develop a Mean Value First Principle submarine power plant model for investigating novel power plant configurations (battery-electric, hybrid-electric) in the submarine domain.
• Team Orka (Naval Group-led Dutch Industrial Consortium)coreStrategic or Co-development PartnerTeam Orka is a growing network of Dutch companies from various sectors working under Naval Group leadership on the construction of the new Orka-class submarines for the Royal Netherlands Navy. Nevesbu is one of the partners within this consortium, contributing submarine subsystems engineering.

Scale indicators6 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Naval Group: French naval defence prime contractor and submarine builder. Both a strategic partner to Nevesbu (Team Orka) and a broad incumbent with overlapping naval vessel and submarine capabilities. Compares on programme scale and customer base, though Nevesbu operates as a specialist consultancy rather than prime.
• Saab Kockums: Swedish submarine (A26, Gotland-class) and surface combatant builder. Comparable in submarine engineering domain and Nordic/European naval customer overlap; operates as a captive design function within Saab rather than as an independent consultancy.
• Damen Naval: Dutch naval shipyard and engineering services business within Damen Group (SIGMA-class, German F126). Comparable on Dutch naval ecosystem positioning and naval vessel design, but operates at full shipyard scale rather than independent consultancy.
• TKMS (ThyssenKrupp Marine Systems): German submarine and naval vessel prime contractor (Type 209/212/214, F126). Comparable on submarine and surface combatant engineering domain and customer overlap with European navies, but operates at much larger scale as an integrated shipbuilder.
• Fincantieri: Italian shipbuilding group with extensive naval vessel design and integration capability (FREMM, PPA, LHD). Comparable in naval and special ship engineering, but operates as a full-service shipbuilder rather than independent design consultant.

Direct peers

• BMT Group: UK-based international maritime engineering, design and risk management consultancy. Comparable to Nevesbu in offering naval architecture and platform engineering services to defence and commercial maritime clients, with similar specialist consultancy positioning.
• Royal HaskoningDHV: Dutch-based independent engineering consultancy with a substantial maritime and naval architecture practice. Highly comparable to Nevesbu in business model — multi-disciplinary engineering services, government and commercial maritime clients, broad ship and offshore portfolio.

Others

• Iv-Groep: Dutch engineering group that owns Nevesbu. Related through shared offshore substation development with Iv-Offshore & Energy and structural ties, but offers broader industrial and offshore engineering services rather than submarine-specific naval architecture.

Emerging players

• MARIN (Maritime Research Institute Netherlands): Dutch maritime research institute focused on hydrodynamic and nautical research for naval and commercial vessels. Overlaps with Nevesbu in naval architecture expertise, though primarily research-oriented; potential collaboration and talent overlap in the Dutch naval ecosystem.

Regional players

• Hyundai Heavy Industries (Naval & Special Ship Division): South Korean naval shipbuilder (KSS-III submarines, frigates) competing for export submarine and surface combatant programmes in Southeast Asia. Comparable in submarine and naval vessel domain, but primarily serves Asia-Pacific customers rather than European navies.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/nevesbu
• Xx.com/Nevesbubv

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 Nevesbu