Wortelboer

What Wortelboer does

Wortelboer (G.J. Wortelboer Jr. B.V.) is a Dutch family-owned manufacturer and global distributor of marine anchors and chain cables, headquartered at Quarantaineweg 5 in Rotterdam and founded in the early 1950s. The company produces a comprehensive anchor portfolio including the POOL TW, POOL N, SHHP POOL TW (manufactured under an exclusive worldwide license since 2004), AC-14, Spek, Hall, Flipper Delta, and D'HONE STS designs, alongside stud-link and short-link chain cables and connecting accessories such as the GJW Super Swivel. Production is supported by ISO 9001:2015 and ISO 14001:2015 certifications plus class approvals from Lloyd's Register, Bureau Veritas, RINA, DNV, RMRS, and ABS, allowing the company's products to be specified into commercial, naval, and offshore tenders.

The business model is project-based industrial sales: Wortelboer holds more than 7 million kilos of anchors and chain in stock at its Rotterdam facility and dispatches worldwide through a network of agents and subsidiaries in the Netherlands, Italy, France, the United States, Belgium, Greece, Norway, Sweden, Germany, the United Kingdom, Cyprus, and Vietnam. Customers are shipyards, vessel operators, offshore contractors, and yacht builders who purchase fittings per project rather than on recurring subscription terms. Go-to-market combines direct sales, agency partnerships, and trade show presence at events such as Seatrade Cruise Global and the Monaco Yacht Show.

The company is led by the next generation of the founding family alongside a growing international commercial and technical team, with recent hires such as the International Technical Sales Manager signalling formalization of cross-border sales. Revenue is not publicly disclosed; the combination of inventory scale, class certifications, and exclusive license production rights implies a small-to-mid industrial exporter operating in the heavy maritime fittings segment.

Name

Wortelboer

Legal name

G.J. Wortelboer Jr. B.V.

Website

https://wortelboer.nl

Company type

Private

Founded year

1950

Operating status

Operating

Headcount range

11–50 employees

Short description

Wortelboer is a Dutch family-owned manufacturer and global distributor of marine anchors and chain cables, serving shipyards, offshore operators, yacht builders, and naval customers across 12+ countries from its Rotterdam facility and certified agent network.

Ownership category

akta.pro rank

Product category

Marine Anchors and Chains

NAICS

Ship Building and Repairing (336611)

SIC

Ship & Boat Building & Repairing (3730)

akta.pro primary industry

Deck Fittings & Hardware (Bitts, Fairleads, Cleats, Anchors & Chains) (IMAJAIAK)

Keywords

• Marine anchors
• Anchor chain cables
• Ship mooring equipment
• Maritime hardware
• Vessel anchoring systems

Headquarters

HQ city

Rotterdam

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Anchors and Chains Sales: Sale of anchors (POOL TW, POOL N, SHHP POOL TW, AC-14, Spek, Hall, Flipper Delta, D'HONE STS) and anchor chain cables (stud-link and short-link) to commercial shipping, yachting, and offshore customers worldwide. Products are class-certified and delivered with original certificates.
2. Technical Services and Installation: On-site installation services delivered by Wortelboer's own team at customer locations including Rotterdam port, Marseille cruise terminal, Italy, and other global destinations. 24/7 availability for urgent requests.
3. Custom Solutions and Refurbishment: Custom manufacturing of anchors to specifications, chain calibration services for yacht chains, and refurbishment including re-galvanising and re-coating of anchors and chains.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels5 records

Core offering

Wortelboer manufactures, stocks, and supplies maritime anchors (including its patented POOL TW high-holding-power design and the exclusively licensed SHHP POOL TW super high holding power design), stud-link and short-link anchor chain cables in U-class, and connecting parts such as shackles and swivels for commercial shipping, yachting, and offshore customers worldwide. The company holds over seven million kilos of inventory at its Rotterdam yard and delivers products with classification society certificates from Lloyd's Register, Bureau Veritas, RINA, DNV, RMRS, and ABS. It also offers on-site installation, chain calibration, refurbishment (re-galvanising and re-coating), and 24/7 emergency support delivered by its own technical teams at customer locations globally.

Product overview

Wortelboer is a family business specializing in anchors and chains for the maritime industry, with over 70 years of experience. The company operates from Rotterdam with an extensive inventory of over 7 million kilos of anchors and chains in stock. Their product portfolio centers on three main categories: (1) Anchors including the patented POOL® TW (high-holding-power, up to 20% lighter than conventional), POOL® N (stockless design for commercial and yacht use), SHHP POOL® TW (super high holding power, world's only licensed producer), plus AC-14, Spek, Hall, Flipper Delta®, and D'HONE® STS anchors; (2) Anchor Chains including stud-link and short-link chain cables in various sizes and finishes; and (3) Connecting Parts including Kenter joining shackles, Anchor 'D' end shackles, GJW Super Swivel (space-saving design), swivel forerunners, and pear links. The company also supplies deck equipment and offers technical services including on-site installation, inspection, and calibration. All products can be delivered with class certificates from recognised classification societies (LR, BV, RINA, DNV, RMRS, ABS) and are available in various finishes including galvanised, stainless steel, painted, and bitumen-coated.

Differentiator

Problem solved

Functional benefit

Products and services

• POOL® TW Anchor High-holding-power anchor with fully balanced design that returns to correct position when retrieved; up to 20-30% lighter than conventional anchors without compromising strength. Available in standard black, galvanised yacht finish, or special coating. Supplied with class certificates for commercial shipping and yachting customers.
• POOL® N Anchor Stockless-design anchor with robust fixed components delivering reliable grip on virtually all seabeds. Popular with commercial shipping companies and yacht builders. Available in galvanised or stainless steel and supplied with class certificates.
• SHHP POOL® TW Anchor Super high holding power anchor delivering the same holding power as a heavier conventional anchor at significantly lower weight. Wortelboer is the world's sole licensed producer of this original design since 2004. Available in stainless steel, duplex, galvanised, painted, or bitumen-coated versions in standard and fully balanced models.
• AC-14 Anchor High-holding-power anchor designed for commercial shipping applications. Supplied with accompanying chain cables for vessel installation, including ship repair projects such as those delivered with BMT Repairs in Algeciras.
• Spek Anchor Traditional anchor design for maritime applications, supplied by Wortelboer alongside its higher-holding-power POOL and AC-14 offerings.
• Hall Anchor Conventional high-holding-power anchor design for maritime use, part of Wortelboer's broader anchor product portfolio.
• Flipper Delta® Anchor High-performance anchor design delivering reliable holding power across various seabed conditions, included in Wortelboer's anchor product range.
• D'HONE® STS Anchor Specialised anchor design within Wortelboer's anchor portfolio for specific maritime applications.
• Stud-link Chain Cables Heavy-duty anchor chain cables designed for commercial shipping and offshore applications. Class U chains represent the strongest class available. Supplied with relevant class certificates from recognised inspection authorities including Lloyd's Register, Bureau Veritas, RINA, DNV, RMRS, and ABS, and available with protective coatings for harsh sea conditions.
• Short-link Chain Cables Anchor chain cables with shorter link dimensions, available in various sizes and finishes for different vessel requirements. Complementary to stud-link chains within Wortelboer's chain portfolio.
• Kenter Joining Shackle Standard shackle used to connect chain cable sections together, forming part of Wortelboer's connecting parts range sold alongside anchors and chains.
• Anchor 'D' End Shackle Shackle used to connect the anchor to the chain cable, part of Wortelboer's connecting parts portfolio.
• GJW Super Swivel Compact, powerful swivel that replaces traditional longer swivel forerunners, saving valuable space on board. Can be installed directly between the anchor shank and the first common chain link, combining anchor D-shackle, swivel forerunner, and kenter joining shackle functions.
• Swivel Forerunner Connecting component for anchor chain systems, sold as part of Wortelboer's connecting parts portfolio.
• Pear Link Specialised connecting link for anchor chain applications, part of Wortelboer's connecting parts portfolio.
• Deck Equipment (Panama Chocks and Bollards) Deck hardware including Panama Chocks and Bollards for vessel mooring and deck operations, supplied by Wortelboer alongside its anchor and chain portfolio.

Quantifiable outcome

• Up to 30% lighter than conventional anchors without compromising strength
• +1 more outcomes

Named customers7 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Twelve partnerships are on record, tiered core and minor.

• UW GroupcoreChannel Partner/ Reseller/ DistributorRegional agent representing Wortelboer in Greece and Cyprus. Participated together at Posidonia exhibition in Athens. Hosted anniversary event in Cyprus attended by Wortelboer team.
• Encompass Marine LimitedcoreChannel Partner/ Reseller/ DistributorUK-based agent representing Wortelboer. Attended IMarEST Annual Dinner in Glasgow together. Celebrating significant anniversary (25+ years) with Wortelboer at IMPA London.
• BMT RepairscoreStrategic or Co-development PartnerShip repair partner for installation projects. Collaborated on AC-14 anchor and chain installations, including projects in Algeciras. Shared installation videos showcasing successful collaborations.
• Maritime & Offshore NL (NMT-IRO)coreGTM or Marketing PartnerIndustry association representing Dutch maritime and offshore companies. Wortelboer participates in joint pavilions at trade shows including METSTRADE, Nor-Shipping, and organizes networking events together.
• Royal T ShipyardsminorImplementation/ SI/ Consulting PartnerYacht builder for which Wortelboer supplied POOL TW anchors and chain cables for the MPV Greta C project. Attended launch ceremony together.
• Rotterdam Port Promotion CouncilminorGTM or Marketing PartnerJoint presence at Europort exhibition at Rotterdam Ahoy. Promotes Rotterdam port and maritime community.
• Lloyd's Register (LR)minorOthersClassification society that inspects and certifies materials. All materials can be delivered with LR certificates along with other classification societies.
• Bureau Veritas (BV)minorOthersClassification society that inspects and certifies materials. All materials can be delivered with BV certificates.
• RINAminorOthersClassification society that inspects and certifies materials. All materials can be delivered with RINA certificates.
• DNVminorOthersClassification society that inspects and certifies materials. All materials can be delivered with DNV certificates.
• ABSminorOthersClassification society that inspects and certifies materials. All materials can be delivered with ABS certificates.
• Netherlands Maritime TechnologyminorGTM or Marketing PartnerIndustry association displaying Wortelboer logo on website as member.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Vryhof: Vryhof is a direct competitor in marine anchoring solutions, manufacturing high-holding-power and Super High Holding Power anchors for offshore, mooring, and vessel applications - directly competing with Wortelboer's POOL TW and SHHP POOL TW product lines.
• Katradis Marine Equipment: Greek manufacturer of marine deck equipment including anchors, chains, windlasses, and mooring systems - competing with Wortelboer in the Mediterranean and broader commercial shipping markets with comparable certified marine hardware offerings.
• Sotra Marine Products: Norwegian supplier of marine equipment including anchors and deck fittings, serving offshore and commercial vessel markets in Northern Europe - overlapping customer base and product category with Wortelboer, particularly in offshore wind installation vessels.
• Hamanaka Chain Mfg. Co., Ltd. Japanese manufacturer specializing in marine anchor chains, stud-link chains, and high-strength industrial chain products - direct competitor to Wortelboer's stud-link and short-link chain cable lines serving global commercial shipping.
• Stevshark: South Africa-based manufacturer and supplier of marine anchors, chains, and deck fittings with worldwide delivery capability - comparable product range, similar international distribution model, and overlapping customer base in commercial shipping and offshore.

Broad incumbents

• Peerless Industrial Group: Established North American manufacturer of industrial chain, marine hardware, and fasteners with broad product portfolio including marine grade chain products - a broader incumbent offering overlapping chain and hardware categories Wortelboer serves.
• Bridon-Bekaert Ropes Group: Global manufacturer of steel wire ropes, synthetic ropes, and now anchoring systems (via Vryhof integration) - a broad incumbent operating across multiple maritime product categories with overlapping capability in heavy marine anchoring and mooring.
• Lankhorst Ropes: Dutch manufacturer of synthetic and steel ropes including offshore mooring systems, based in the Netherlands - a maritime mooring peer in the same Dutch ecosystem serving offshore wind and shipping customers with comparable end-market exposure.

Emerging players

• Maritime Products International (MPI): US-based distributor and supplier of marine deck hardware, anchors, and chain - a smaller-scale emerging player with overlapping product category in deck fittings and marine anchoring hardware for commercial and offshore markets.

Regional players

• Rexpol: Polish maritime equipment supplier specializing in anchors, chains, and marine hardware for Central and Eastern European shipping markets - regional peer with comparable product offering but focused geography versus Wortelboer's global reach.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/watch?v=LMmwn_qDZ1Q
• LinkedInlinkedin.com/company/g-j--wortelboer-jr--b-v-
• Facebookfacebook.com/WortelboerAK

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 Wortelboer