AutoTrader and DDB walked away with the big prize at tonight’s CASSIES, the only Canadian ad awards based on business effectiveness, hosted at the Ritz-Carlton in Toronto. The duo also nabbed a Gold in the Off to a Good Start category, for the “Most Cars in One Place,” campaign, which moved the traditionally print publication into the solely digital era. The campaign boosted AutoTrader.ca visitors by 27%, while dealer and private listings rose 10% and 25% respectively.

Joining DDB, Cundari nabbed two Golds, one for SickKids’ Pain Squad app in the Events, Seasonal and Short Term category, and one for BMW’s 1M Launch, in Off to a Good Start.

John St. walked out with a slew of hardware, including one Gold for the Zellers “Festive Finale” campaign, as well as three Silvers (for Mitsubishi’s “Electriphobia,” Maple Leaf’s “Natural Selection” and Corby Distilleries’ “The Wiserhood” campaigns), as well as one Bronze for work for Kruger Products.

Anomaly and Budweiser took home Gold for the “Fan Brew” campaign in the Events, Seasonal and Short-Term category, while Juniper Park and EOS Products picked up two Golds in Sustained Success and Canadian Success Outside Canada for the “Reinventing Lip Balm” campaign. Taxi 2 picked up a Gold in the Best Integrated category for it’s work with Koodo and El Tabador, while Wunderkind rounded out the Gold winners in Sustained Success for it’s “Because I am a Girl” campaign for Plan Canada.

Other notable winners include Taxi, which took home five awards, including one Silver and four Bronzes for work with Mini, McCain and Boston Pizza. Leo Burnett picked up three awards, including two Silvers and a Bronze for work with Ikea. Draftfcb also picked up three wins, including one Silver and two Bronzes for work with TD and Kraft.

Dare Vancouver (for MTS) and Ogilvy (for Unilver) each picked up two Silvers, while Cossette (for Home Depot), TBWA/Toronto (for PepsiCo) and Saint-Jacque Vallee Y&R (for Danone) picked up a Silver and Bronze each. Lg2 won two Bronzes for work for Bell and Federation des producteurs de porc du Quebec.

Rounding out the awards, Target and Lowe Roche picked up a Silver each, while BBDO, AV Communications, Bensimon Byrne and Revolve each won a Bronze.

Read all the winning cases here.