• About Us

    CMS are passionate about creating innovative, practical and cost-effective design and consulting solutions for the marine industry.

    CMS principal, Sean Johnston, has more than 30 years' experience in the marine industry which started with qualifications as a boat builder constructing yachts and motor boats. Later graduating with honours from the University of New South Wales (UNSW) with a Bachelors Degree in Naval Architecture Sean embarked on a career in the ship building sector becoming responsible for Platform Engineering as well as Slipway Manager and Dockmaster.

  • Our Values

    CMS are a responsible service provider and as such conduct ourselves in a responsible and professional manner with both internal and external stakeholders.

    We pride ourselves in offering services underpinned by our core values.
    Professionalism and Trust
    Technical proficiency
    Independant and Objective
    People and Communication orientated
    Client satisfaction focussed

  • Our History

    CMS was incorporated in 2003 and is an independent consultancy providing design and marine consulting solutions for the commercial marine and Defence industries. The team at CMS have extensive marine industry experience having been involved for more than 30 years within the marine industry with Australian USL/NMSC (AMSA DCV, MAST, NSW Maritime, TSV) and other international classifications societies including Lloyds, DNV GL, BV and USCG. This knowledge combined with a customer first focus creates an unenviable partnership with our clients many of which are repeat customers. CMS have always maintained regulatory and other insurances to meet the requirements of our customers to provide an added level of security.During 2015 CMS started the process for obtaining ISO accreditation which was fulfilled in 2016 with CMS now a fully ISO:9001:2015 compliant organisation for providing marine design and marine consulting solutions to all sectors of the marine industry.


CMS are based in Melbourne, Australia but provide 24 hour availability service to our clients in the following local and overseas locations:

Australasia - Melbourne Victoria, Sydney NSW, Brisbane, Gold Coast Queensland, Adelaide South Australia, Hobart, Launceston Tasmania, Darwin Northern Territory, Perth Western Australia, Auckland, Christchurch New Zealand, Port Moresby Papua New Guinea.   Asia - Singapore, Vietnam, China, Philippines, Malaysia, India.  Middle East - Dubai, Abu Dhabi, Qatar, Bahrain, Saudi Arabia, Yemen.


Commercial Marine Solutions
Marine Design and Consulting