Video ad buying platform Pixability will use the Quad Graphics-backed round to support technology and business development, and international sales.

Pixability, the US-based developer of an advert buying and video marketing platform for YouTube, closed an $18m series C round backed by commercial printing company Quad Graphics yesterday.

Investment firm Jump Capital and growth equity firm Edison Partners co-led the round, which also included venture capital firm Point Judith Capital.

Pixability will use the cash to expand its technology platform, which enables brands to program their video ad buying, as well as its business development, international sales and its range…