Winel

What Winel does

Winel B.V. is a privately held Dutch maritime hardware manufacturer founded in 1956 and headquartered in Assen, Netherlands. The company designs, engineers, produces, assembles, and tests watertight closures and related marine equipment — including hand-operated and watertight sliding doors, hatches, tank vent check valves (CM, CMO, RM, RMO, RMD, Bolero variants), passerelles, platforms, and a full portfolio of superyacht solutions (transom doors, beach club platforms, bulwark platforms, MOB hatches, swim stairs, mooring platforms, crew and bunker doors). Its proprietary technology stack centers on the patented Musketeer central closing mechanism with stainless steel self-braking cleats and 1:33 force transmission, combined with Orkot Marine Bearings for arctic/tropical operations. Manufacturing is split across three facilities in Assen and Blokzijl (Netherlands) and Haiphong (Vietnam), spanning more than 20,000 m² of workshops with approximately 150 skilled employees.

The company sells through a global network of agents and dealers in more than 25 countries, directly from its factories for custom projects, and via an e-commerce storefront for spare parts. Revenue is generated from one-off custom-engineered projects (mega yacht, offshore platform, and commercial shipbuilding), standardized equipment, spare parts (hardware, seals, hydraulics, electronics, tank vent check valve spares), and aftersales services including installation, commissioning, maintenance, and refit. Named reference customers include Royal IHC, Oceanco, Ferus Smit, Damen Shipyards, Amels, and Staalart. Winel also maintains a strategic partnership with Staalart (Blokzijl) for turnkey delivery of mega yacht one-offs. The business model is B2B enterprise field sales through long-cycle shipyard and yard relationships; products are certified to SOLAS and classification society requirements, and pricing combines per-unit transactional pricing for spare parts with quote-based pricing for custom-engineered systems.

Name

Winel

Legal name

Winel B.V.

Website

https://winel.nl

Company type

Private

Founded year

1956

Operating status

Operating

Headcount range

51–100 employees

Short description

Winel B.V. is a Dutch maritime hardware manufacturer (founded 1956) that designs and produces watertight doors, hatches, tank vent check valves, and superyacht access equipment, serving commercial shipbuilders, offshore operators, and mega yacht yards globally through direct sales and a 25+ country dealer network.

Ownership category

akta.pro rank

Product category

Marine Equipment and Shipbuilding Hardware

NAICS

Ship Building and Repairing (336611), Boat Building (336612)

SIC

Ship & Boat Building & Repairing (3730)

akta.pro primary industry

Piping, Valves & Pumps (Deck/Service Systems Components) (IMAJAIAI)

akta.pro secondary industries

Life-Saving Appliances & Safety Equipment (Davit Systems, Lifeboats, Firefighting) (IMAJAIAG), Semi-Custom & Series Production Yacht Manufacturing (IMAJAEAM), Luxury Yacht Prototype, One-Off & Concept Build Programs (IMAJAMAL)

Keywords

• Maritime hardware manufacturing
• Shipbuilding equipment
• Watertight marine doors
• Tank vent check valves
• Superyacht solutions

Headquarters

HQ city

Assen

HQ country

Netherlands

HQ region

Europe

Offices27 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Custom Marine Products: Winel manufactures and sells high-quality custom and standardized marine products including doors, hatches, tank vent check valves, platforms, and access equipment. Products are primarily custom-built but designed in a modular way for efficient production.
2. Spare Parts: Wide range of spare parts available from stock, either in the Netherlands or at local dealer stores worldwide. Includes hardware, electronics, seals, and hydraulics for their product lines.
3. Services: Service engineers skilled in hydraulics and electrics available for assistance during installation, commissioning, service, or refit jobs.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Winel designs, manufactures, and supplies custom and standardized marine hardware for shipyards, offshore platforms, and superyacht builders. Its portfolio includes hand-operated marine doors and hatches with the patented Musketeer central closing mechanism, watertight sliding doors (Albatros, Eagle, Condor, Seagull), tank vent check valves, and a full line of yacht-specific access solutions. The company operates its own engineering, production, assembly, and testing facilities in the Netherlands and Vietnam, and supports customers globally through a dealer network plus installation, maintenance, refitting, and spare parts services.

Product overview

Winel is a maritime hardware company offering a comprehensive portfolio of marine doors, hatches, tank vent check valves, and related systems for the commercial shipping, offshore, and mega yacht industries. The core product line includes Hand Operated Doors and Hatches featuring the patented Musketeer central closing mechanism, Watertight Sliding Doors (types Albatros, Eagle, Condor, Seagull), and Tank Vent Check Valves in various types and sizes. The company also provides specialized Yacht Solutions including top hinged side shell doors, transom doors, beach club platforms, passerelles, bulwark platforms, swim stairs, mooring platforms, and crew/bunker doors. Services include installation, maintenance, refitting, and spare parts delivery with global dealer coverage. Products are engineered in-house with modular design for custom builds, using steel, aluminium, stainless steel, or composites, and manufactured at facilities in the Netherlands and Vietnam.

Differentiator

Problem solved

Functional benefit

Products and services

• Tank Vent Check Valves

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• StaalartcoreStrategic or Co-development PartnerTogether with Staalart, Winel is unique in producing one-offs and specials for the Mega Yacht Building Industry. Staalart is located in Blokzijl, Netherlands and together they control every step of the process from development, engineering and production to turnkey delivery.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Others

• Damen Shipyards: Major Dutch shipbuilding group and named Winel customer. Functions as both customer and ecosystem reference point; Damen's own yard services include some outfitting work that overlaps with Winel's scope.
• Vroon: Dutch-based shipping operator with in-house technical services and vessel outfitting capabilities. Not a direct product peer but a comparable Dutch maritime ecosystem player sharing customer/shipyard relationships.

Broad incumbents

• Heinen & Hopman: Dutch marine HVAC, refrigeration and accommodation outfitting specialist serving yachts and commercial vessels. Adjacent outfitting peer sharing the superyacht customer base (Damen, Amels, Feadship) with Winel.
• MacGregor: Part of Cargotec, MacGregor provides marine cargo handling and load-handling systems, plus offshore load-handling equipment. Comparable customer base (shipyards, offshore operators) and engineering-driven product overlap.
• Wärtsilä: Global marine systems incumbent offering a broad portfolio including ship power, propulsion, and integrated vessel solutions. Overlaps with Winel in marine outfitting ecosystems and shared shipyard customers.

Direct peers

• IMS Maritime: IMS produces marine doors, hatch covers, and side-shell doors for commercial and naval vessels. Directly comparable to Winel in marine access equipment, with overlap in tank vent valves and sliding doors.
• MML Marine: UK manufacturer of marine watertight doors, weathertight doors, and offshore access equipment. Direct competitor to Winel in outfitting products for commercial shipyards and offshore platforms.
• Staalart: Dutch co-development partner and producer of one-off mega-yacht components together with Winel in Blokzijl. Adjacent rather than fully competing, but a key partner/peer in the mega-yacht outfitting niche.
• Thormarine: Dutch-based specialist manufacturer of marine watertight doors, side-hinged doors, and sliding doors for shipbuilding. Highly comparable to Winel in product scope (marine access closures) and customer base (commercial shipyards).

Emerging players

• Triton Naval: Naval and commercial marine outfitting supplier offering doors, hatches, and structural components. Comparable in product scope but focused on naval/defense versus Winel's commercial/yacht mix.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

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 Winel