BrewDog is a multinational brewery and pub chain based in Ellon, Aberdeenshire, Scotland. Founded in 2007 by James Watt and Martin Dickie, the company has grown to become the seventh-largest beer brand in Britain, producing over 80 million litres annually.

BrewDog is renowned for its bold and innovative craft beers, including the flagship Punk IPA, which has played a significant role in the craft beer revolution. In addition to beer, BrewDog produces various spirits, showcasing its versatility in the beverage industry.

The company has also been a pioneer in crowdfunding, launching the Equity for Punks program, allowing fans to invest and become shareholders. Despite facing controversies over the years, BrewDog continues to be a significant player in the craft beer industry, known for its innovative approach and commitment to quality.