Swisscom Ventures, the in-house venture capital division of the alpine telecoms operator, has led a $1.8m investment in Poken, a Switzerland-based company that produces a keychain for connecting to social networking platforms.

The host of corporate venturers backing US-based solar power producer BrightSource Energy has increased as part of a $150m fourth funding round.

Siemens Venture Capital, the corporate venturing arm of Germany-based conglomerate Siemens, has co-led the initial external investment in Wirescan, a Norway-based company founded in 2005 to inspect power cables.

Denmark-based medical foundation Novo, which invests $300m a year through its corporate venturing fund, has reinvested in Funxional Therapeutics' second round of funding.