Softbank, Bertelsmann and KBS+ each reinvested in the loyalty analytics company, which has now lifted its overall funding to $20m, after a $9m series B round.

CrowdTwist, a US-based developer of loyalty and analytics software, has raised $9m in a series B round backed by several corporates.

The round was led by venture capital firm StarVest Partners, and also included by Softbank Capital, the investment affiliate of telecommunications company Softbank, KBS+ Ventures, the investment arm of advertising agency KBS+, Bertelsmann Digital Media Investments, the corporate venturing unit of media conglomerate Bertelsmann, and VC firm Fairhaven Capital Partners.

Bertelsmann, Softbank, KBS+ and Fairhaven all previously contributed to…