Margaret River Chocolate Company won the Champion Chocolate Award along with seven gold and 12 silver medals.
Among its Swan Valley recipes was the lemon myrtle and honey roasted macadamia nut gourmet bar and its Cointreau truffle.
Whistlers Chocolate Company, Perth’s oldest chocolate factory, won 11 gold medals.
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Owner Ian Sergeant said Whistlers missed the Champion award by a few points after success with his dark chocolate block and dark, milk and mix-boxed chocolate truffles.
Mr Sergeant, who has owned Whistlers since the 1990s, attributed his company’s recent success to quality of ingredients and innovation.
“We are always going for the Champion award and this year we came close but I think next year may be our time to shine,” he said.
“I look forward to entering in the filled-moulded categories next year.”
Margaret River’s southern factory branch in Metricup achieved the company’s most acclaim for its chocolate truffles.
Its vodka and chilli truffle scored 99 points out of 100.
“The highest score for many years,” chief steward John Watson said.
“An outstanding product in the inclusion class where innovation was at an all-time high. Wild mushroom and pecan, Andean maca and royal quinoa and pepita with raw crushed cacao, were only a portion of the competing recipes.”