| Public | NASDAQ:QNST |
| Date | 1/10 |
| Valuation | $140M |
| Website | quinstreet.com |
| Blog | blog.quinstreet.com |
| @quinstreet | |
| Category | Advertising |
| Phone | 650.578.7700 |
| Employees | 500 |
| Founded | 4/99 |
| Description | Performance Marketing |
| Total | $67.7M |
| CarInsurance.com, 11/10 | $49.7M |
| Insurance.com, 7/10 | |
| Internet.com, 11/09 | $18M |
| Cyberspace Communcation, 5/08 |
| Series B, 12/00 | $40M |
QuinStreet uses the internet to connect companies with potential customers.Â
The online performance marketing company helps businesses target their would-be customer audiences by using its proprietary technologies and media reach to generate sales leads.  As a sign of confidence in its quality, QuinStreet has adopted a pay-for-performance model of pricing. Founded in 1999, QuinStreet is headquartered in Foster City, CA, with satellite offices worldwide and 500 employees.