The US-based bank is joined by venture firms Draper Fisher Jurvetson, Nexus Venture Partners and Helion Ventures backing the digital media platform for publishers' seed round.

US-based bank Silicon Valley Bank has helped PubMatic, a US-based digital media platform for publishers, raise $45m in mezzanine, a hybrid form of debt and equity.

Venture firm August Capital led the round, and was also joined by PubMatic’s existing investors, venture firms Draper Fisher Jurvetson, Nexus Venture Partners and Helion Ventures.

PubMatic said the funds would be used to continue its targeted acquisition strategy and strengthen the company’s balance sheet. Pubmatic helps publishers automate the process of evaluating and…