Online video ad technology firm Mixpo has raised $4 million in a bridge round of funding. Previous backer Madrona Venture Group led the investment, with participation from Yaletown Venture Partners and new investor Growthworks Capital. Founded in 2005, the Seattle-based company has raised a total of $10.5 million since its first round in mid-2006; backers then included the Working Opportunity Fund, SpringBank TechVentures and private investors.
Mixpo will use the funds for tech development; its primary product is the self-serve VideoAd platform, which lets advertisers piece together video spots quickly. The company recently brokered deals to power video ads for Tribune and NBC Local Media properties, among others.
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