The phrase "one's core brands" refers to the primary and most important brands that a company owns or focuses on. These brands are at the center or core of the company's business and often contribute significantly to its success. Full definition
I've used a few core brands from the very beginning and I trust them deeply. (godiaperfree.com)
On his part, the Chairman, Guinness Nigeria Plc, Mr. Babatunde Savage said despite the continuing deterioration in the operating environment, the company has been experiencing a strong participation in the growing value segment of the market through Satzenbrau and Dubic just as the company's core brands of Guinness FES and Malta Guinness are growing geometrically. (nigeriapoliticsonline.com)
In addition, Mattel Inc. has been struggling with weakness in core brands like Barbie, which had a 14 percent drop in sales, and Fisher - Price, down 6 percent. (sandiegouniontribune.com)