The Porter brewery was opened in 1994 located below the Griffin Inn at Haslingden, the Griffin being the first pub to be owned by the Porter Brewing Company. The brewery's tied estate currently stands at four pubs after having grown to a total of five, one pub having been disposed of by the brewery following problems with the lease.

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Only one Porters pub is located in the East Lancs area, this being the Griffin at Haslingden where the brewery is based, which usually stocks the full range of Porters beers. Occasionally Porters ales show up as guest beers elsewhere in the area.