Dolfines SA operates as an engineering and services specialist company in France and internationally. It offers rig engineering services, including rig design, modification and upgrades, drilling/structural engineering, mechanical/electrical engineering, and offshore/marine engineering studies; drilling project management, such as well engineering, drilling supervision, drilling operations optimization, and rig, drilling operations, and integrated project management services; technical services comprising rig commissioning, rig audits and recertification, BOP recertification, rig stacking/ reactivation, and subsea support; and inspection and audit services for oil and gas industry. The company also provides project and contract management, quality and surveyance control, supervision of civil engineering works, and selection of lifting and transport equipment for offshore wind sector; and development and financing phase, during construction, throughout the operation of the farm, at the end of operation, and during commissioning services for onshore wind and solar industries. In addition, it offers rig and well services for geothermal industries, such as well engineering and drilling supervision, rig commissioning prior to drilling start up, well control equipment, technical support and problem solving, inspection and revamping, and rig management services. The company was formerly known as Dietswell S.A. and changed its name to Dolfines SA in October 2020. Dolfines SA was incorporated in 2000 and is headquartered in Montigny-Le-Bretonneux, France.