JumpTap, the mobile search and advertising company, announced that it has closed a Series D round of financing in excess of US$26million. The investment was led by AllianceBernstein L.P. and all existing investors participated.

Existing investors include General Catalyst Partners, Summerhill Venture Partners, Redpoint Ventures, Valhalla Partners, and WPP.

The funding will be used to further develop JumpTap’s powerful mobile search and advertising solutions and to continue expansion of its global ad sales and operations divisions to meet increased demand from advertisers. JumpTap recently opened new offices in Madrid, Stockholm, and New York City, and has expanded its mobile ad sales force by 600 percent in 2008 alone.

Dan Olschwang, President and Chief Executive Officer of JumpTap said “we have seen firsthand that mobile advertising is a viable mass medium – a fact which is reflected by our significant growth and numerous recently announced deals.” JumpTap has in recent days announced significant deals with a number of leading companies (see MobiAD posts about JumpTap: NBC Universal and Fox Mobile Entertainment, US Cellular, and TeliaSonera.

Olschwang also commented, “The closing of this round by these prestigious investors during a tight financial credit climate sends a strong and positive message about their confidence in the growth potential of mobile search and advertising and our ability to execute on our long-term vision.”

Read an in-depth MobiAD interview with Dan Olschwang.

Read the full JumpTap press release.