The XT Brewing Company is a microbrewery based in Long Crendon, Buckinghamshire, England.

The brewery was founded in 2011 by Russell Taylor and Gareth Xifaras, the company is based on the Notley Farm Estate.

The brewery underwent a building and equipment expansion project during 2015 to increase capacity.

[3] The XT brewery produces a core range of beers which are mainly numbered from XT1 through to XT9, which follow a pattern of increasing darkness.

[13] Beers are occasionally made for national charitable causes such as The Lest We Forget project, which was initiated by XT to produce a nationwide collaboration beer to support the appeal,[14][15] and for local charities such as the Florence Nightingale Hospice appeal.