Welcome to ABL Group
Longitude is the design and engineering arm of ABL Group - a global and independent consultancy delivering marine, energy, engineering and software solutions to drive safety and sustainability in renewables, maritime and oil & gas sectors. ABL Group operates across 43 countries worldwide.
Proper Marine
Longitude's division in Brazil - specialists in naval architecture and offshore engineering.
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ABL
The energy and marine consultants, delivering technical services to support offshore energy and maritime sectors at construction, operations, decommissioning and in marine casualty scenarios.
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AGR
Engineering consultancy, skills resourcing, survey and software provider, specialising in wells, subsurface, and marine operations.
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OWC
The renewable energy consultants - providing technical advisory, engineering and consulting for the commercial-scale development of renewable energy onshore and offshore.
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Survey Management
Longitude's management services aim to enable the most efficient offshore surveys both economically and technically.
Benefitting from LOC’s market-leading position since 1979 in surveys, inspections and audits, we have an unparalleled knowledge of all forms of marine surveys enabling us to provide a comprehensive support package to optimise your operations.
Offshore Survey Operations
Longitude offers all services relating to offshore survey operations which include the following:
- Scope and Specification of Survey
- Proposal Review
- Contractor Selection
- Management and Supervision
- Document Review
- Exploratory Hole Interpretation
- Laboratory Scheduling
- Project Management
Onshore Management Services
By providing onshore management services before, during and after the surveys, we can ensure that:
- All documentation is monitored and reviewed in real time for quality and compliance with the contract
- The survey progress is monitored from a commercial perspective
- There is in place a pro-active approach to actual observations and consequential modifications to the technical scope during survey advancement
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