Now a third of Costco’s annual sales, store brand Kirkland is a draw for shoppers and a negotiating tool with suppliers.

Jim Sinegal sat down with The Wall Street Journal to discuss how he built the $86 billion label Kirkland Signature and more.

Members are also lured in by promotions on Kirkland signature products. Kirkland has been Costco's signature power brand ...

If you’ve ever shopped at Costco, you’ve likely purchased something from its premium in-house brand, Kirkland Signature ... due to their longer-lasting power and reliability, making them ...

Costco (COST) created store brand Kirkland Signature three decades ago and it is now a linchpin the company’s success that accounts for roughly a third of its approximately $254.5B in annual ...

But what if you could get the same cleaning power without the premium price tag? Enter Kirkland Signature, Costco's private label brand. Over the years, Kirkland has built a reputation for ...

When Costco launched its Kirkland (COST) brand 30 years ago, it was a bold decision that set the company apart in a retail environment dominated by fragmented private label products. Rather than ...

Three decades ago Costco created Kirkland Signature, the store brand it now uses to sell everything from paper towels to fresh sushi. At the time it was counterintuitive. Successful retailers ...