Longitude Engineering

International specialist in design and engineering services across the marine industry: Renewables, Oil & Gas, Defence, Commercial Marine and Infrastructure, since 2006.

About Us

OSD-IMT: Vessel Design

Experts in ship design, with particular expertise in newbuild construction, offshore support and supply vessels, dredging vessels, marine survey vessels, and clean shipping solutions.

OSD-IMT: Vessel Design

Renewables

Longitude is actively involved in the rapidly developing renewables' sector, with significant project experience in offshore wind across Europe, North America and Asia.

Renewable Services

Oil & Gas

Longitude supports a wide array of offshore oil & gas projects, providing specialist design and engineering services from concept to execution and construction, including through life support for all types of asset.

Oil & Gas Services

Defence

Longitude delivers expert design, oversight and project management services to the defence sector across the world.

Defence

Commercial Maritime

Longitude has significant experience in small craft design, naval architecture, structural engineering, and comprehensive technical support services.

Commercial Maritime

Infrastructure

Longitude has provided engineering for the design, fabrication, and shipping of modular equipment for numerous LNG plants, on-shore refineries and port facilities as well as consulting services for coastal engineering

Infrastructure
OUR ENGINEERING SUPPORT.
YOUR PROJECT SUCCESS.

Since 2006, Longitude Engineering has delivered specialist design and engineering services in the marine, energy and defence markets. Our independence, expertise and experience make us the natural choice for a wide range of design solutions across Asia Pacific, Europe and North America.

We take a holistic view of marine engineering and design, from the overall concept through to the smallest detail: rather than simply focusing on a craft or platform, we’re dedicated to helping your marine design project succeed. This client-focused perspective, combined with our agile responsiveness and ability to adapt the way we work to suit you, is what makes Longitude unique.

Contact Longitude today to discuss your project.

Green

Trusted advisor driving the energy transition in shipping and offshore energy sectors

Experts

World-class expertise in engineering and design disciplines

Independent

Independence to innovate and expand where clients need us

Global

Offices located in key shipping and energy hubs worldwide, with a strategy to expand into new markets

Innovative

Strong track record of developing technologies for sustainable energy and shipping practices

Responsive

Highly responsive team with on-the-ground expertise where needed
Offices map

Longitude’s offices are located across our core markets: Europe, AsiaPacific and The Americas.

We also deliver engineering expertise and market sector knowledge through our sister companies: ABL Group, Innosea, OWC, East Point Geo, ABL Yachts and JLA, located globally and can call on their support in projects when appropriate.

OSD-IMT - the ship design experts are included in our Longitude team, adding office in UK port towns, Bideford and Dundee.

Our Offices About Us

Case Studies View All

IMT-Isca Platform Supply Vessel (PSV) Series: G-Flex

The IMT-Isca design series represents the next generation of platform supply vessels (PSVs), evolved from the successful IMT-984 or G-Class series, with a focus on efficiency and low-fuel consumption,…

Longitude Completes Engineering Base Scope on FPSO Conversion

Longitude Engineering has completed its engineering base scope for Yinson’s vessel conversion of an FPSO destined for Brazil, including naval architecture, structural engineering and hydrodynamic analysis. “The FPSO…

OSD-IMT9721 Salvage Vessel

Principle Characteristics LOA: 79.40 m Beam: 16.00 m Depth: 7.30 m Summer Load Draught: 5.80 m Deadweight: 2000 t approx

NewsView All

Longitude supports US Big Bubble Curtain Innovation

Independent engineering consultancy Longitude Engineering has been chosen by Thayer Mahan to provide engineering services to support its innovative Big Bubble Curtain solution in the USA -…

Meet The Team: Kliff Sebalda | Longitude Philippines

The team at ABL Group shares the passion, vision and values for working in energy and the world’s oceans, de-risking and driving the energy transition. We are…

Longitude readies Korea’s 1st jack-up vessel to support Country’s Offshore Wind Development

Engineering consultancy Longitude Engineering (part of the ABL Group) has successfully completed the engineering analyses of South Korea’s first newbuild wind turbine installation vessel (WTIV) ,  to…