Accel Partners and Grazia Equity have led a $15m (€10.3m) funding round for United Mobile, a provider of low-cost international roaming.
The Capital Fund has sold portfolio company Solcara to ArgentVive for £4.5m(€5.9m).
Spanish energy group Gamesa has sold solar energy division Gamesa Solar to First Reserve Corporation for €261m.
Index Ventures has backed a first round of funding in doubleTwist, an online digital media company, co-founded by Jon Lech Johansen, or DVD Jon.
Howzat Media, the investment vehicle formed by former Cheapflights managers David Soskin and Hugo Burge, has backed German travel website Trivago.
Bridgepoint has exited its stake in pump and diesel engine supplier Concentric to Haldex in a deal valuing the firm at around £75m(€100m).