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Ship Design

Holistic ship designs, built upon a proven portfolio and optimised with experience. Longitude combines decades of ship design experience, with the added value of expertise in the design and analysis of vessel operations and the experience of seafarers and vessel managers.

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Ship Design Services 

Longitude is a recognised independent partner in the ship design market, with specialised expertise in the design and support of a range of vessel types, spanning an asset’s entire lifecycle.

Our team combines deep experience in all types of marine operations and assets, with a particular focus on naval architecture, structural engineering and marine systems, to deliver bespoke design solutions, tailored to the client’s specific technical and operational requirements.

Blending the trusted expertise of ship design house OSD-IMT, which Longitude acquired in 2021, we also offer a diverse portfolio of +140 proprietary ship designs, which can be adapted to suit your requirements.

Our offering provides engineering, design, and analysis to support vessels through life – from newbuilds, to modifications and conversions, to operational support.

Connect with an expert

Dean Goves

Global Director of Ship Design Get in Touch

Our Services in Ship Design

Clean Shipping

Longitude has become a trusted partner in design solutions for sustainable shipping. We have worked on some of the world’s very first designs for zero-emission vessels across a range of vessel types…
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Conversion, Upgrade & Retrofit

From small modifications to extensive major conversions, Longitude has experience in a diverse range of projects across a wide range of vessel types, with our scope covering structural design and anal…
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Offshore Vessels

Longitude has significant experience in the newbuild design of vessels, including small craft and specialist offshore vessels. Our range of services runs from initial feasibility studies through to fu…
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Research Vessels

Our portfolio contains a wide range of research vessel types, including fisheries, geotechnical, and oceanographic. This experience equips our team with an in-depth understanding of key design challen…
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Small Craft

We have a long track record in ship design for small craft from tugboats, to small patrol, passenger, rescue and rigid inflatable boats. We bring a wealth of expertise in this area to support at newbu…
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Through-Life Support 

Our wide range of technical and engineering services, as well as our in-house multidisciplined teams, enables us to provide through-life support to vessels from initial design through to construction,…
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Our Value in Ship Design

Our independence enables a flexible approach to design and delivery, to find a solution which meets you exact requirements.

Experience with shipyards worldwide

Legacy in ship design dating back to 1989 and OSD-IMT’s inception

Diverse portfolio of +140 vessels designs

Extensive operational expertise in all vessel types and operations, from sister company ABL

Our Experience

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Get in touch

If you have any questions, feel free to contact us by filling out our form below. Our friendly team will get back to you as soon as possible.

Our Design and Engineering Services


Facilities & Subsea

Receive a full design and engineering capability to support facilities and subsea infrastructure throughout an asset’s lifecycle. Our comprehensive offering spans front-end activities such as feasib…
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Marine Operations

Established as the independent engineering arm of our sister company, the energy and marine consultants ABL, Longitude is a leading provider of marine operations engineering services. Our experience i…
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Offshore Wind

A trusted partner in offshore wind, Longitude has a specialist team in offshore wind foundation design from concept, FEED to detailed design. Our expertise covers bottom-fixed wind turbine generator (…
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