Admaius Capital Partners, a Rwanda-based private equity firm investing across Africa, has acquired The Particle Group, a manufacturer of certified reference materials for the metals and mining industries.

French private equity firm Eurazeo has made an investment in Cognigy, a provider of AI-driven customer services solutions, providing €50m in Series C funding to the Germany -based business from the Eurazeo Growth Fund IV.

H2 Equity Partners has made an investment in The Coach Travel Group, which comprises seven UK regional coach operators: Alpine Travel, Barnes Coaches, Coatham Coaches, JH Coaches, Johnsons Coaches, Swans Travel and The Ready Group.

Atlanta-based private equity firm Caymus Equity Partners has sold portfolio company TriplePoint MEP, a provider of HVACR installations, maintenance, repair, design and consulting services, to New York-based private equity firm Stellex Capital Management.

Middle-market private equity firm Falfurrias Capital Partners has invested in EDGE Industrial Technologies, a producer of industrial machine knives, blades, punches and related equipment.

HIG Capital, a global alternative investment firm with $62bn of capital under management, will sell its portfolio company and Italian information technology specialist DGS to the company’s co-founders and management team, in partnership with alternative asset manager ICG.

Blackstone has completed the acquisition of Tropical Smoothie Cafe, a franchisor of fast casual restaurants, from Levine Leichtman Capital Partners. The deal is the first for the most recent vintage of the firm’s flagship private equity vehicle.