ABL Group Holding (formerly known as AqualisBraemar) is an investment holding company, providing marine and engineering consultancy services to the renewables, maritime, oil and gas, and power sectors. It offers engineering services and advanced engineering solutions, analysis, and design associated with temporary phases of a marine operation. The company also provides marine warranty services comprising document reviews; suitability surveys of offshore marine spreads; approval of towages, heavy lifts, and installations; subsea operations; decommissioning and removal of offshore structures; and acting as marine advisors to oil companies and their contractors. In addition, it offers rig moving support services and training courses. The company also provides construction supervision and dynamic positioning services, marine consultancy services, jack-up, risk management, project management support, due diligence, engineering, and expert witness services.