Mobile search and ad company Jumptap raises $26 million more

Mobile search and advertising company Jumptap has raised $26 million in a fourth round of funding led by AllianceBernstein, with all previous investors participating.

The company has positioned itself as an alternative to Google’s search and ad services for mobile devices. The largest carrier in the country, Verizon, is partnering with Google for these services. But Jumptap has business relationships with AT&T and 16 other carriers of various sizes, and has said it reaches around 150 million mobile subscribers.

Jumptap’s other partnerships include a deal with iPhone analytics firm PinchMedia. Startup competitors include Medio.

Previous investors have already put a total of $25 million $73 million into the company, and include: General Catalyst Partners, Summerhill Venture Partners, Redpoint Ventures, Valhalla Partners, and WPP.