Nexit Ventures and Finnish Industry Investment have backed mobile television technology company Axel Technologies.
Investec has provided £12.75m (€17m) to back the management buyout of Polypipe Sanitary Systems from parent group Polypipe.
Atlas Venture has invested an undisclosed amount in property portal Zoopla.
Holtzbrinck Ventures and the European Founders Fund have backed AdScale in its second funding round. The size of their investment was not disclosed but it is believed to have been around €5m.
Lisa Airplanes, the developer of new aviation technology, has raised €1.2m from a syndicate of angel and early-stage investors organised by RAC Ingenierie.
Royalton Capital has acquired 95 per cent of Romanian insurance company CertAsig from a consortium of Spanish investors including Abril Canadell Montserrat.