U.K. investment firm Graphite Capital Management LLP completed the acquisition of Hanson Wade Ltd., which provides conference organizing services, in a management-led buyout of the company.

Financial terms of the transaction were not disclosed. Sarah McCaldin, who founded Hanson Wade in 2008, reinvested in the company and will remain on its board as a nonexecutive director, according to an Aug. 14 news release.

London-based Hanson Wade has three conference divisions: pharma and biotech, construction and engineering, and human resources. The company also owns Beacon, a scientific data business.