What Stone Marine Shipcare Ltd. does

Stone Marine Shipcare Ltd. is a UK-based marine services company specializing in the repair, maintenance, and modification of propellers, controllable pitch propellers (CPP), thrusters, and shafts for commercial, naval, and pleasure craft vessels. The company operates from a fully equipped Birkenhead workshop featuring 20-tonne crane capacity, certified NDT capabilities, ISO 9001:2015 quality management accreditation, and class-approved welding procedures for copper alloys (NAB, CMA1, MB). Service delivery is supported by bespoke mobile repair containers deployed permanently at partner shipyards worldwide, enabling rapid 365/24/7 response to vessel operators globally.

Core technical capabilities include GMAW/MIG welding, spiral welding for shafts of 25–1600mm diameter, dynamic balancing to ISO 1940:1976 standards (1kg–10T capacity), post-weld heat treatment (PWHT) with bespoke furnace construction, blade palm machining, and trailing edge modification services (over 600 modifications completed since 2005). The company also partners with Datum Electronics for shaft torsion meter fitting to support vessel efficiency monitoring.

The business model is professional services-based, with quote-based pricing tailored to specific customer and vessel requirements. Revenue is generated through direct service delivery to vessel operators and managers, complemented by a global partnership and agency network including Nakashima Propeller Co. (sole European service agent since 1991), KTE Co., Ltd (South Korea), Dry Docks World Dubai, Euploia Dry Docks (Greece), and Sefine Shipyard (Turkey). Customer segments span commercial shipping, naval fleets, cruise vessels, and pleasure craft, with geographic operations across the UK, Europe, the Middle East, Asia Pacific, Southeast Europe, Turkey, and Africa. The company is privately held, employs approximately 25 engineers in service and controls, and traces its heritage to Josiah Stone's founding in 1832.

Name

Stone Marine Shipcare Ltd.

Legal name

Stone Marine Shipcare Ltd.

Website

https://stonemarineshipcare.com

Company type

Private

Founded year

1832

Operating status

Operating

Headcount range

1–10 employees

Short description

Stone Marine Shipcare Ltd. is a UK-based marine services firm specializing in propeller, thruster, and shaft repair for commercial, naval, and pleasure craft vessels. It operates from Birkenhead and through mobile workshops deployed globally via service partnerships.

Ownership category

akta.pro rank

Product category

Marine Repair Services

NAICS

Ship Building and Repairing (336611), Support Activities for Water Transportation (4883)

SIC

Ship & Boat Building & Repairing (3730)

akta.pro primary industry

Underwater Hull Inspection, Cleaning & Propeller Services (TLAKAKAJ)

akta.pro secondary industries

Commercial Ship Repair & Drydocking (TLAKAKAA), Piping, HVAC & Auxiliary Systems Repair (TLAKAKAH)

Keywords

• Marine propeller repair
• Thruster maintenance services
• Shaft straightening services
• Marine welding services
• Propeller efficiency optimization

Headquarters

HQ city

Birkenhead

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Propeller & Blade Repair Services: Core business providing propeller repair, maintenance, blade re-tipping, weld repair, polishing, balancing, and blade palm machining for commercial and pleasure vessels.
2. CPP & Thruster Maintenance: Specialist providers of spare parts and technical advice to vessel operators for controllable pitch propellers and thruster units. Includes inspection, maintenance, and repair services.
3. Shaft Straightening & Repair: Shaft repair services including spiral welding for shafts of various diameters and lengths.
4. Specialist Welding Services: Class approved welding services for copper alloys including GMAW/MIG welding and spiral welding for propeller and shaft repairs.
5. Vessel Efficiency Services: Trailing edge modification services and shaft torsion meter fitting to improve vessel efficiency. Includes partnership with Datum Electronics for torque measurement systems.
6. Pleasure Craft Maintenance: Propeller and shaft repair and maintenance services for private owners including sail boats, fishing vessels, canal barges, cruisers, RIBs and tenders. Offers drop and collect service.

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Stone Marine Shipcare Ltd. provides specialist inspection, repair, modification, and maintenance services for marine propellers, controllable pitch propellers (CPP), fixed pitch propellers (FPP), thrusters, gearboxes, and intermediate shafts. Services are delivered from a single site in Birkenhead, complemented by a 25-strong field engineering team and Mobdock mobile repair containers deployed worldwide for emergency breakdown support and scheduled drydock work.

Product overview

Stone Marine Shipcare Ltd. is a marine propeller and thruster repair and maintenance service provider operating from Birkenhead, Merseyside, UK. The company offers a portfolio of specialized services centered on propeller and shaft repair, with core offerings including Propeller & Blade Repair and Maintenance, CPP & Thruster Maintenance, Shaft Straightening & Repair, and Specialist Welding Services (GMAW/MIG). The portfolio also includes Vessel Efficiency services (trailing edge modifications and torque measurement) and Small Boats & Pleasure Craft maintenance. Services are delivered through the Birkenhead workshop facility and mobile repair containers deployed globally at partner shipyards.

Differentiator

Problem solved

Functional benefit

Products and services

• Propeller Repair

Quantifiable outcome

• Over 600 trailing edge modifications successfully completed
• +4 more outcomes

Named customers10 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Six partnerships are on record, tiered core and minor.

• KTE Co., LtdcoreStrategic or Co-development Partner · 17 May 2022Stone Marine Shipcare announced new partnership with KTE Co., Ltd based in Busan, South Korea in May 2022. Experience and ongoing work with CP propeller and thrust unit maintenance aligns perfectly with KTE's requirements for customer support and spare parts supply in UK & Europe.
• Dry Docks World – DubaicoreStrategic or Co-development Partner · 1 January 2017Stone Marine Shipcare and Dry Docks World Dubai have worked closely since 2017. Mobile propeller repair bases containers operating in DDW and around Arabian Peninsula. Cooperation has led to reduced repair times and reduced costs for customers.
• Euploia Dry Docks & Services LtdcoreChannel Partner/ Reseller/ Distributor · 1 July 2016Euploia Dry Docks & Services have represented Stone Marine Shipcare as agents in Greece since July 2016. Providing excellent support with services, developing contacts and promoting Stone Marine Shipcare to vessel owners and managers. Invaluable link liaising with the maritime community.
• Nakashima Propeller Co.coreStrategic or Co-development Partner · 1 January 1991Nakashima appointed Stones as their sole European Service & Repair agent in 1991. Nakashima Stone Marine Ltd joint venture established in 1972 for CPP & side thruster manufacture. Nakashima began production of their own CP propellers in 1983. Long-standing flagship partnership spanning over 30 years.
• Sefine ShipyardcoreStrategic or Co-development PartnerSefine Shipyard and Stone Marine Shipcare have worked frequently together over the past few years and formalized their partnership. New fully equipped propeller repair base positioned with Sefine expands presence in Turkey, further enhancing Sefine's repair capabilities.
• Local Partnerships (UK)minorChannel Partner/ Reseller/ DistributorLocal partnerships established within the UK market to promote technical knowledge and repair facilities based in Birkenhead, Merseyside. Part of recent push in UK market development.

Scale indicators7 records

Recent moves10 records

Expansion highlights6 records

Broad incumbents

• Wärtsilä Services: Global marine services and lifecycle solutions provider offering ship repair, propeller services, and maintenance across a much wider portfolio. Comparable because Wärtsilä offers propeller reconditioning and service through its Ship Power service network, competing for the same vessel operator maintenance budget.
• Kongsberg Maritime: Major marine technology and services provider with propulsion and thruster service offerings. Comparable as a broader marine services incumbent with overlapping CPP/thruster and propulsion maintenance capabilities serving commercial shipping customers.

Direct peers

• Bruntons Propellers: UK-based propeller manufacturer and repair service provider. Direct comparable as a specialist in fixed-pitch and controllable-pitch propeller services for commercial and naval vessels, competing for the same shipowner and shipyard customers as Stone Marine Shipcare.
• Nakashima Propeller Co., Ltd. Japanese propeller manufacturer and CPP/thruster specialist; long-standing partner of Stone Marine since 1972. A peer in CPP and thruster design/manufacture, though they are also Stone Marine's principal Japanese principal — comparable capabilities, overlapping vessel operator customers globally.
• Teignbridge Propellers International: UK-based propeller manufacturer and repairstorer serving commercial, naval, and superyacht markets. Highly comparable niche specialist with overlapping service offerings (manufacture, repair, dynamic balancing) and similar customer base to Stone Marine.
• Hasytec (Hasytec Marine): Specialist in in-water propeller polishing and underwater hull maintenance services globally. Direct peer in the propeller service niche, particularly for in-water solutions that complement dry-dock repairs offered by Stone Marine.

Emerging players

• Cathelco: UK-based marine equipment and service provider offering propeller shaft earthing systems and related marine engineering services. Adjacent peer serving similar commercial shipping and naval customers with specialised marine technical services.
• Hydrex nv: Underwater ship repair specialist offering in-water propeller blade and thruster repair. Comparable niche capability (underwater propeller servicing) and competing for time-sensitive vessel downtime reduction work that Stone Marine also targets.

Others

• International Paint (AkzoNobel Marine): Global marine coatings and ship maintenance supplier. Adjacent rather than direct: complementary services (hull coatings, propeller coatings) often sold into the same dry-dock maintenance packages as Stone Marine's propeller repair work.
• Aage Hempel Marine Electronics: Marine electronics and service provider including propulsion monitoring systems. Thematically related as a partner ecosystem participant in vessel efficiency and shaft power monitoring (similar role to Datum Electronics partnership).

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/stone-marine-shipcare-limited

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries2 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 Stone Marine Shipcare Ltd.