The Costco Kirkland Signature vs national brands competitive dynamic is the most commercially consequential strategic reality in the entire American CPG landscape — and in 2026, with Kirkland generating $90 billion in annual sales and actively expanding into thirty new product categories per quarter, every brand operating in the Costco channel needs a clear, honest, data-grounded strategy for navigating it. This is not a comfortable conversation, and at MOJO Sales & Branding,

CPG brands win against private label at Costco not by trying to out-price Kirkland Signature — that battle is unwinnable — but by doing the things that Kirkland, by its very nature as a private label, fundamentally cannot do. Understanding this distinction is the foundation of every successful branded product strategy in the Costco channel, and it is the insight that MOJO Sales & Branding has been helping CPG brands translate into commercial results for over two decades. The