Legal services provider Keystone Law has listed on the Alternative Investment Market (AIM) as Keystone Law Group plc. 

Shares began trading on the 27 November at a placing price of 160 pence per share – valuing the firm at £50 million.

The decision to float on AIM follows Keystone’s conversion to an Alternative Business Structure (ABS) in October 2013 and a £3.15 million cash injection from private equity firm Root Capital the following year. 

Since then Keystone has seen significant revenue growth, continuously exceeding 20 percent per annum. The firm reported turnover figures of &...