BrewDog was founded in 2006 in co-founder Martin's mum's garage. Since then, it has grown to have 4 breweries and over 100 bars worldwide.

In April 2007, James and Martin founded BrewDog in Fraserburgh, Scotland. They were motivated by their dissatisfaction with the mainstream beers dominating the market and decided to brew their own craft beers.

In 2008, BrewDog produced Tokyo, which was the UK's strongest beer at the time. Despite receiving mixed press attention, BrewDog started exporting to countries like America and Japan, leading to significant growth and making them Scotland's largest independent brewery by the end of the year.

Equity For Punks is a crowdfunding initiative launched by BrewDog in 2009, allowing individuals to invest in the company and become shareholders. This innovative approach has helped BrewDog raise capital and build a loyal community of beer enthusiasts.

In 2010, BrewDog brews a 55% abv beer and packages it in roadkill, creating the world's most expensive beer. This unique creation showcases BrewDog's innovative and daring approach to brewing.

During the same year, the company experienced significant business growth of over 200% and launched Equity for Punks II, a crowdfunding campaign. This marked a successful period for the company in terms of expansion and financial strategies.

In 2012, BrewDog revealed that Diageo threatened to withdraw funding from BII Scotland's annual awards if BrewDog won the Best Bar Operator award.

After the closure of Esquire Network, BrewDog launched BrewDog Network, featuring original content. The launch PR campaign centered around beer.porn, a parody website, drawing criticism for sexism and misogyny.

In 2014, BrewDog launched the popular Jack Hammer beer and doubled the size of their brewery.

In September 2015, a petition signed by 8000 people criticized BrewDog for an advert that was deemed unethical, mocking homeless people, trans women, and sex workers.

In November 2015, BrewDog launched a 'non-binary, transgender beer', which faced criticism from the charity Stonewall.

In February 2016, BrewDog made a bold move by open-sourcing its beer recipes to the public, essentially making them freely available. This decision was aimed at promoting transparency and innovation within the brewing community.

In March 2017, BrewDog threatened legal action against a pub named Lone Wolf in Birmingham for using a trademark owned by BrewDog. The issue was later resolved after BrewDog's director tweeted that they had no problem with the pub using the name.

In April 2017, private equity firm TSG Consumer Partners acquired a 22% stake in BrewDog for approximately £213 million. This acquisition marked a significant milestone in BrewDog's journey as a company.

In February 2018, BrewDog announced its plan to construct a $30 million brewery and tap room in Brisbane, Australia, on an 11,000 square meters greenfield site at Murarrie.

In March 2018, BrewDog released Pink IPA, a limited edition beer aimed at highlighting the gender pay gap. The product faced criticism for its marketing campaign and labeling.

In May 2019, BrewDog faced accusations of stealing marketing concepts from a PR firm and using deceptive practices with job applicants.

In November 2019, BrewDog revealed its expansion in the United States with a new distillery.

In December 2019, BrewDog inaugurated its first bar in Ireland at the Capital Dock development in Dublin's Grand Canal Dock area.

In January 2020, BrewDog launched its initial alcohol-free bar in London, which unfortunately closed in 2022.

BrewDog CEO and co-founder James Watt issues an apology to 61 former employees who accused the company of fostering a 'culture of fear' and mistreating staff. The open letter on Twitter highlighted issues of bullying, lack of regard for health and safety, and a toxic work environment.

In January 2022, a BBC documentary exposed BrewDog's mistreatment of employees and regretful experiences of some loyal customers. The company lost its B Corporation certification and faced backlash for hiring private investigators to target critics.

In November 2022, BrewDog announced an 'anti-sponsorship' of the 2022 FIFA World Cup due to Qatar's human rights abuses. Despite criticism of hypocrisy, BrewDog pledged to donate profits from Lost Lager sales to fight human rights violations.

In February 2023, BrewDog announced a partnership with Budweiser China for expanding into the Chinese market.

In 2023, BrewDog, a prominent beer manufacturer, returns to its roots by participating in the Taste of Grampian event held at the P&J arena in Aberdeen in June. The company has established itself as a leading beer producer worldwide.

In January 2024, BrewDog announced that it would cease paying the 'real living wage' starting from April 2024, sparking controversy and criticism.

In March 2024, employees from BrewDog's Waterloo bar expressed dissatisfaction with their working conditions, stating that little had improved since BrewDog's commitment to change in 2021.