Zettle by PayPal | 39,498 followers on LinkedIn. Since 2010, we’ve been on a mission to help small businesses succeed in a world of giants. | Zettle by PayPal is on a mission to help small businesses succeed in a world of giants. Founded in Stockholm in 2010, the financial technology company revolutionised mobile payments with the world’s first mini chip card reader and software for mobile devices. Joined PayPal in 2018.