Crunchbase, a VC database spinout of AOL, has added $18m to its coffers in a series B round led by Mayfield as it launches a new premium offering.

Crunchbase, a US-based business information platform spinout of internet and media company AOL, has raised $18m in a series B round led by venture capital firm Mayfield Fund.

Crunchbase operates a deals database that lists funding rounds for private companies. More than five million updates to the platform are supplied by an in-house team, outside contributors and a partner network each year.

The series B capital was secured as the company announced a new premium offering, Crunchbase Enterprise, which aims…