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

When people talk about Costco, the first thing that likely comes to mind is its wide range of products—from groceries to ...

There's a visible theme in this month's recommended Kirkland Signature groceries to buy at Costco. Not only can members save ...

As any true Costco fan will tell you, Kirkland Signature products are among the best in terms of quality. So, how does Costco ...

Costco’s $86 billion Kirkland Signature brand went against industry standards when it was launched in 1995. WSJ breaks down ...

Costco just brought back Kirkland Signature Snack Mix, Honey Mustard, a 30 oz bag of Honey Mustard & Onion Seasoned Pretzel ...

According to shoppers, one of Costco's best items is their Kirkland Signature Extra Virgin Olive Oil, "particularly the ...

Every couple of years, with rising costs of living, the income required to fall into one "class" or another varies. Currently ...

Costco (COST) created store brand Kirkland Signature three decades ago and it is now a linchpin the company’s success that accounts for roughly ...

Costco’s $86 billion Kirkland Signature brand went against industry standards when it was launched in 1995. WSJ breaks down why the private label is now the retail behemoth’s secret weapon.

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 ...