Just as graphite is added to steel to strengthen it, so Graphite Capital aims to strengthen middle-market businesses. The investment firm targets middle-companies in the UK valued from �10 million to �100 million, capitalizing management buyouts, turnarounds, and expansions. It focuses on a range of sectors such as retail and consumer, industrials and engineering, services amd distribution, financial services, health care, and leisure and property. Graphite has stakes in about 20 companies, including London-area homebuilder London Square, elderly care home operators Optimum Care and Willowbrook Care, Holiday Parks UK, and advertising firm TMP Worldwide.