Enstar Group Ltd is a diversified insurance company that operates multiple segments, including nonlife run-off, Atrium, StarStone, and life and annuities. The vast majority of revenue is generated by its StarStone segment, which offers property, casualty, and specialty insurance products to clients of all sizes. The company's nonlife run-off segment operates a property and casualty business, along with consulting services and claims validation. The company considers merger and acquisition investment as a component of its operational growth strategy.