Mobiquity, a mobile solutions firm, has secured $12 million in Series B financing. NewSpring Capital led the round with a $9 million investment, with additional participation from Longworth Venture Partners and Sigma Partners. Headquartered in Wellesley, MA, the company offers services such as mobile integrating strategies, user experience design and mobile application development. The new financing will support Mobiquity’s global expansion and continued investment in the company’s product portfolio. NewSpring made its investment through its NewSpring Growth Capital III vehicle.