One of Europe’s leading mid-market private equity investors, Equistone, has agreed to acquire a majority stake in MMC’s portfolio company Small World. Equistone is an independent investment firm wholly-owned and managed by it’s executives aiming to invest between €25m and €125m of equity in businesses. The financial terms of the deal are undisclosed and, as Small World is regulated in multiple countries, completion of the transaction remains subject to regulatory approvals.