Operating both within Australia and globally, MMA Offshore Limited delivers specialized vessels, maritime solutions, and underwater services to sectors including offshore energy, renewable energy, and the broader shipping industry. Its business is structured into three main divisions: Vessel Services, Subsea Services, and Project Logistics. Under Vessel Services, the company provides a comprehensive suite of support functions such as cargo offloading, supply chain management, construction assistance, seismic data collection and surveying, tugboat and barge operations, anchor handling and towing, diving and remotely operated vehicle (ROV) support, installation aid, and crew accommodation. Additionally, it undertakes inspection, maintenance, and repair (IMR) activities. Its Subsea Services encompass engineering design and project execution, various survey types (inspection, geophysical, and geotechnical), environmental management and stabilization efforts, underwater construction and upkeep, along with manufacturing, assembly, and testing capabilities. Furthermore, MMA Offshore offers onshore support, including engineering and technical oversight, marine personnel provisioning, and integrated project logistics, which includes marine project coordination and the management of its onshore facilities. The company maintains a fleet of 18 offshore vessels. Established in 1989 and headquartered in Perth, Australia, the company operated as Mermaid Marine Australia Limited until its rebranding to MMA Offshore Limited in December 2014.