The round was led by Singapore-based private equity firm DLA Holdings.
The company, which has raised $8m to date, intends to use the funds to further accelerate global sales by investing in sales, marketing, and new product development.
Publicly launched in 2010 and led by CEO Sue Heilbronner, TravelShark operates through a global network of 12,000 travel sites (including www.LasVegasHotels.com, www.SingaporeHotels.com.sg, and www.HotelLondon.com). Hotel partners include Intercontinental Hotels Group, MGM Resorts, Highgate Holdings, TIG Global, among the others.
The company has a U.S. office in Boulder, Colorado.