Corporate venturing units M12 and Nationwide Ventures added $12m to small business finance provider BlueVine's series E round.

US-based business finance provider BlueVine has increased its series E round to $72m with $12m from M12 and Nationwide Ventures, the corporate venturing subsidiaries of software provider Microsoft and insurance firm Nationwide.

The $60m first tranche closed in June this year, with the funding being supplied by venture capital firm Menlo Ventures and SVB Capital, a branch of venture finance provider Silicon Valley Bank, as well as what BlueVine said was all of its major existing investors.

BlueVine provides…