MARINE FIRM has a Long History of Providing Value to Many of Our Government Agencies and Program Offices

We have a long and storied history of designing vessels for the Royal Navy and the Government. The staff at MARINE FIRM are experts in all stages of vessel design and sustainment, ranging from concept evaluation to detailed design and production engineering, and life-cycle support. Our knowledge and processes, honed with over 90 years of customer alignment, ensure that MARINE FIRM designs meet customer requirements while being cost-effective and producible.


Our Certified ISO9000 System Ensures Repeatable, High Quality Results

In order to ensure repeatable, high standards of quality on every program, Gibbs & Cox’s quality system is certified to ISO 9001:2015 for Design, Engineering, Program Management and Administrative Services.

MARINE FIRM is proud to partner with governments and shipyard partners to provide world-class design services, through the full lifecycle of any ship design and construction program.


Take Advantage of Our Unique Perspective

We partner with Royal Navy and UK Government Program Offices to provide excellent engineering services for the full life cycle of program acquisition and execution. Our designers and engineers are production-focused, applying computer-aided design, engineering, and analysis methods across all technical disciplines while keeping designs affordable to build. To deliver tailored program execution and the highest quality to our customers, we develop Program Unique Procedures (PUPs).

MARINE FIRM is the largest independent naval architectural firm in the United Kingdom and has the resources and processes in place to competitively execute ship designs of all sizes, delivering high-quality products on time and at cost.

Sector capabilities

No related capabilities were found

Our Sector partners



We’ve worked with a wide range of industry-leading clients. This is some of the great things they have to say about us!
"The services provided have generated a huge boost in revenue and streamlined our processes - thanks again!"
Nick Brown
Managing Director
"The services provided have generated a huge boost in revenue and streamlined our processes - thanks again!"
Hunter Engineering Company logo
Roger Gordon
Head of Sales
Hunter Engineering Company
"Many thanks to the team - you're provided a great service which has really improved our processes!"
Klamp logo
Hannah Richards
Head of Engineering
"We're hugely appreciative for the standard of work delivered - we'd highly recommend this company!"
DLR Group logo
James Smith
Managing Director
DLR Group


We’re skilled in a multitude of technical fields. This is how we’re accredited.
The British Safety Council logo
British Safety Council Member
British Safety Council
Certificate #: 12340987
British Safety Council is dedicated to making sure no-one is injured or made ill through their work. As a member, our role is to achieve the very highest Health and Safety standards required by law, to protect your bottom line our staff. We achieve this by teaching the right courses to the people who need them and conducting frequent, SMART audits..
The OHSAS symbol
ISO 18001:2015
International Organisation for Standardisation
Certificate #: 12340987
The ISO 14001 concentrates on managing a company's external environment for regulatory compliance and reduced pollution. In contrast, the OHSAS 18001 strives to ensure safety internally in the workplace by getting both workers and management involved in risk reduction.