Joule's Brewery has exchanged contracts on its 19th pub.
The brewer and pub retailer has acquired Ye Olde Rose and Crown in the centre of Stafford — the site is being sold by Enterprise Inns.
Steve Nuttall, managing director at Joule's, said: "Building our new brewery was both ambitious and complex and developing the pub estate by comparison was quite straightforward.
"Our interest has always been in old English-style pubs — pubs which have served their communities for centuries."
Nuttall said the latest acquisition would be "absolutely the last one for us for a while until we get a few of the pubs in our development pipeline refurbished".
Joule's built a new £1.5m brewery in Market Drayton, Shropshire, having acquired the UK rights to the famous Joule's beer brand — dormant for 30 years — in perpetuity from Coors, and is due to start brewing this month. Nuttall said earlier this year: "Our pubs are closer to franchises. There is much more coherence than normal across our tenanted pubs, with sites operating as a family of pubs.
"There is a common thread running through them — they're old-fashioned in a good way. Our estate is a collection of old pubs restored rather than just refurbished, and we are proud of it — they are all different, but all connected to our brewery."
Last month, Joule's bought the Royal Oak in Eccleshall, Staffordshire, from Punch for an undisclosed sum.
Nuttall said: "The Royal Oak requires a huge spend, which will make it our biggest investment. We value it highly as the location is core to our strategy.
"We have a very high regard for Eccleshall."