Cardiff Craftsmen Group

Cardiff Craftsmen Group offer first class service and quality on projects such as; installation of various equipment types on board tankers, dry cargo ships, cruise ships and offshore for FSO and FPSO’S including:

Incinerators, Sprinkler systems, Desalination plants, Sewage treatment plants, Main and auxiliary engines, Boilers (including re-tubing).

Certified / Coded Welding

Welders are continually assessed and coded  in both pipe and plate to Lloyds Register of Shipping, Bureau Veritas and American Bureau of Shipping standards in MMA (Stick), TIG (Tungsten Inert Gas), MIG/GMAW (Metal Inert Gas) and FCAW (Flux Core).

Material Welded;

• Carbon Steel
• Stainless Steel
• Aluminium
• Core Ten
• Chrome Moly
• Inconel
• Cupro Nickel
• Aluminium Bronze (York Albro)


The supply, fabrication and installation of all  the following pipework systems from 12mm to 750mm in all materials including Carbon Steel, Stainless Steel, Aluminium, Core Ten, Chrome Moly Inconel, Cupro Nickel Aluminium Bronze (York Albro),  Spun Glass Fibre and Plastics.

• High & Low Pressure Steam Systems
• Ballast
• Cooling
• Grey and Black Water
• Chilled Water
• Technical Water
• Accomadation (Hot & Cold Supply)
• Tank Ventilation

Equipment Installations

The specification, supply and installation or just installation of the following equipment to comply with latest legislation or assist owners with energy savings for such companies as Hamworthy, Guardian Hyde, JOWA and Deerburg.

• Waste Water Systems
• Ballast Water Treatment
• Food Waste Incinerators
• Sludge Incinerators
• Fuel Homogenizer Systems
• Bunker Monitoring
• Exhaust Gas Cleaning

Experienced Installers of George Fischer Piping Systems, Hamworthy Water Systems, Hyde Marine Ballast Water Systems, Deerberg Food Waste Handling Systems, Jowa Technologies and Approved service partners for Schat Harding lifeboats.


Marine Diesels

Highly skilled and experienced marine engineers for the repair, maintenance and installation of all types of slow, medium and high speed Marine Diesels. With state of the art Chris Marine ready to travel to vessels.

• Repairs
• Maintenance
• Crankshaft and Cylinder Block changeouts
• Surveys
• Engine Alignment and Chocking


Accomodation Services

Ballast Water

Design – Planning – Engineering – Installation – Integration – Commissioning – After Sales & Service


Ballast Water brochure

Download our PDF brochure


When it comes to the Green Issues at sea, we at Cardiff Craftsmen Limited consider ourselves to be the market leader;With Retrofit installations of;

  1. Ballast Water Treatment Plants
  2. Membrane Bio Reactor (MBR) Systems
  3. Reverse Osmosis (RO) Plants
  4. Waste Disposal Incinerators
  5. Low Sulphur Fuel Pipe Modifications

Already successfully completed supplied by manufactures such as;

  1. Hyde
  2. Deerberg
  3. Hamworthy
  4. JOWA
For owners such as;

  1. Princess Cruises
  2. Carnival,
  3. Royal Caribbean Cruise Line
  4. “K” Line
  5. Marlow Navigation
  6. Stena
  7. Columbia Ship Management

Working in co-operation with our associates at Cleanship Solutions who keep us constantly advised on all latest legislation along design aspects of all projects.

Offering Retrofit Installations and Turnkey Projects or the installation of owners supply equipment.

We are independent of any manufactures and therefore able to offer the most suitable system to owners based on suitability, cost and availability.


The Natural Choice in Ballast Water Treatment Installation

With over 35 years experience in the retrofit

of new and up graded technologies for Owners/Managers. Cardiff Craftsmen Limited, Worldwide Marine Services have a proven track record as the natural choice partner for all Ballast Water Treatment System installations.

Working closely with several leading manufactures, we offer cost effective installation of the best equipment in the market place for the retrofit of Ballast Water Treatment.

With our technical expertise we can achieve a swift and economical upgrade to your existing fleet, whilst maintaining a revenue for the vessel.


A complete worldwide 24 hour service, enabling us to provide a cost effective alternative to lengthy refits.

  1. Main and Auxiliary EnginesCardiff-weld
  2. Pipework
  3. Steelwork/ Steel Structures
  4. Welding Services
  5. Boilers
  6. Tank Repairs/Modifications
  7. Refurbishments/Galley/HVAC
  8. Equipment Installations
  9. Highly Skilled Engineers
  10. Complete Turnkey Solutions

‘A complete worldwide 24 hour service, enabling us to provide a cost effective alternative to lengthy refits’

Cardiff Craftsmen Ltd, Worldwide Marine & Offshore Services. Over 30 years experience in the repair and maintenance of Cruise Ships,
FPSO’s, FSO’s , Accommodation Barges, Ferries, Product Tankers, Bulkers, Work Boats and Offshore Supply Vessels.

A global provider of FPSO/FSO Maintenance and ship repair solutions A complete Worldwide 24 Hour Service, Providing a Cost Effective Alternative to Lengthy Refit/Lay-up Periods.

Experienced & Highly skilled Marine Managers along with Highly Motivated Repair Teams available to travel at Short Notice.

Full Turnkey Design and build Package of All Types of Plant and Equipment to suit Customers Needs.

Marine Diesel Installation, Repairs and maintenance service, on all types of engines, Including; Sulzer, B&W, Cummins, MTU, Detroit, MAK, Wartsila and Pielstick. Full insitu machining equipment ready to dispatch to the vessel.

Experienced in the supply & installation of Incinerators, Waste Water, RO Plants, Oily Water Separators, Ships Monitoring Systems, Ballast Water Treatment Systems and Fire Detection Equipment.

Accommodations Barge/Module design, upgrades and refurbishment, including custom designed galley equipment and plant. Comprehensively equipped workshops in both the UK and US.

Exhaust Gas Scrubbers