G2 Crowd has raised $2.3 million in additional funding to support growth of its business-software review site.
G2 Crowd‘s system collects reviews of business software from verified users and uses Web traffic and social metrics to develop ratings. Prospective buyers and software companies can, for a fee, can see those reviews and ratings much the same way Amazon and Yelp offer reviews of products and restaurants. G2 Crowd launched its system in beta in February 2013 and has collected more than 10,000 reviews spanning 200 categories.
The Chicago company has raised more than $4 million so far. G2 Crowd said its new investors include Chicago Ventures; Hyde Park Venture Partners; Tim Kopp, former chief marketing officer at ExactTarget; entrepreneur Andrew Filipowski; Greg Jones, founding CEO of uBid; and Chris Shutts, co-founder of BigMachines.