The chocolate company famously associated with the slogan "Have a break, have a Kit Kat" is Nestlé. Kit Kat, a popular chocolate-covered wafer bar, was first introduced in 1935. The catchy slogan has been an enduring part of the brand's advertising campaign, emphasizing the idea of taking a break and enjoying a sweet treat. Over the years, Kit Kat has evolved into a globally recognized product with numerous flavors and variations, maintaining its appeal among chocolate lovers. The slogan has become iconic, reflecting the brand's emphasis on enjoyable moments and relaxation.