Concur continues to put money to work in the online travel arena, announcing today that it is leading a $9 million investment in Nor1. The Silicon Valley company has developed a technology to help hotels upsell guests on their existing hotel reservations, driving additional revenue for hotel chains.

The funding comes a few weeks after Concur announced its $150 million venture capital fund for travel-oriented startups, dubbed the Concur Perfect Trip Fund. (Other investments out of that fund include Seattle startup Buuteeq).

In addition to the funding, Concur and Nor1 have entered into a partnership whereby Concur will use Nor1’s eStandby Upgrade service. The service also will be integrated into Concur’s TripIt offering. Nor1’s technology is already used by Hilton, Hyatt, Carlson Rezidor, InterContinental and Kimpton Hotels.

“Concur’s vision for The Perfect Trip is built on creating a travel ecosystem that dynamically responds to the needs of business travelers, the companies that they work for and the suppliers that serve them,” said John Torrey, Executive Vice President or Corporate Strategy at Concur. “Entrepreneurs like Nor1 are developing the next set of innovations that will ultimately deliver an even better travel experience to our users.”

Previous investors in Nor1 include Accel Partners, Goldman Sachs, and Par Capital Management.

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