A 2007 Tokyo trophy, a roastery in East London, and a YouTube channel that quietly taught the pandemic how to grind. The calmest voice in coffee never raised it.
On any given evening a few million people are quietly being taught how to bloom a pour-over by a sweater-clad Englishman who does not raise his voice. James Hoffmann sits at his kitchen counter, points a camera at a Hario, and the internet listens.
The channel he started in 2016, mostly to see what would happen, now has more than 2.5 million subscribers. It is, by some margin, the largest coffee channel on YouTube, and it has done something the specialty industry spent two decades trying to do: it has made ordinary people care about water temperature.
His day job, the one he keeps mentioning offhandedly, is co-founder of Square Mile Coffee Roasters, the East London roastery that has been quietly supplying some of the country's best cafes since 2008. The company also runs Prufrock, the Holborn coffee bar it took over in 2017. The retail shop ships green and roasted beans across the United Kingdom and beyond.
Hoffmann is also a working author. His 2014 book, The World Atlas of Coffee, has sold more than three hundred thousand copies and been translated into more than a dozen languages, which is a strange thing to say about a reference work on coffee growing regions. In 2022 he followed it with How to Make the Best Coffee at Home, written specifically for the people the pandemic had turned into accidental baristas.
He still tastes for Square Mile. He still reviews machines. He still, by all available evidence, has not run out of things to say about espresso.
People didn't really want to read the internet anymore. They wanted to watch it.- James Hoffmann, on why he started filming
In 2003, the year he started taking coffee seriously, James Hoffmann also released a music EP under the stage name King Seven. He had recently been a casino croupier. He had spent time in the wine trade. The CV did not, on paper, scream future coffee laureate.
His first proper coffee job was selling Gaggia espresso machines in the homeware department of Selfridges. He has talked about it in interviews with the kind of fond grimace people reserve for retail jobs that became formative anyway. Selling the machine taught him to explain it. Explaining it taught him to taste it. Tasting it ruined supermarket coffee forever.
By 2004 he was running a blog called Jimseven, a name borrowed from his music project. The blog became influential in a quiet, slow way - long, careful posts about brewing variables back when most of the internet was still arguing about whether crema mattered. From 2005 to 2007 he worked at La Spaziale UK in training and education, which is roughly the coffee-industry equivalent of being a touring guitar tech: you meet everyone, you see every venue, you learn what actually breaks.
In 2006 he won the UK Barista Championship. He won it again in 2007. Then he flew to Tokyo and won the world. His winning routine, by his own description, paired tobacco aromatics with almond - a flavour marriage rather than a stunt - and the judges agreed.
He left La Spaziale in May 2007. Within a year he and his business partner Anette Moldvaer - herself a World Cup Tasters champion - had opened Square Mile Coffee Roasters. It was one of the first dedicated specialty wholesale roasters in London, and it became, fairly quickly, the largest.
The roastery sits in East London and supplies independents across the United Kingdom. In 2010 the team ran Penny University, a temporary cafe in Shoreditch that lasted long enough to become folklore. In 2017 Square Mile took over Prufrock Coffee, the Leather Lane bar that had been a pilgrimage stop for years.
Hoffmann's day-to-day at Square Mile has shifted as the YouTube channel grew, but the company remains a working roastery rather than a personal brand exercise. Heza Hills, a Burundi coffee previewed with Bellwether at World of Coffee Geneva in 2025, is the kind of release they still get excited about: a producer, a place, a story you can taste.
Founded 2008 in East London with Anette Moldvaer.
Took over Prufrock Coffee in 2017.
Has supplied many of the United Kingdom's most-loved independent cafes since opening.
Hoffmann's small accessories shop, named for the way coffee scales: from the tens of cups a barista pulls a day, to the hundreds a cafe serves, to the thousands a roastery touches.
Good coffee, more so.- on the question of whether coffee is delicious
The channel started in 2016 with the kind of low-stakes premise people now teach in marketing classes: he noticed that the audience he had built around the blog was reading less and watching more, so he picked up a camera.
The format is famously unflashy. He talks. He brews. He explains a variable. The lighting is reliable and the tone is dry. Watching James Hoffmann make a French press is a little like watching a chess teacher annotate a game; nothing dramatic happens, and yet by the end you understand a thing you did not understand before.
The Ultimate French Press Technique, his most-watched video, has crossed three million views and changed how a noticeable percentage of households brew at breakfast. When the pandemic shut cafes worldwide in 2020, the channel became, by accident, the most-cited home brewing reference on the internet. Subscribers tripled. Sales of his books climbed. The phrase "the James Hoffmann method" entered the language.
The other secret is range. Hoffmann reviews twenty-pound pod machines with the same straight face he reviews four-thousand-pound espresso setups, which is unusual for a third-wave purist. He has tasted a Nespresso compatible capsule on camera and described what it actually delivered, which earned him a strange kind of trust: the man with the trophy will tell you the truth about the cheap thing too.
Fans nicknamed him Daddy Hoff. He has, in interviews, accepted this with visible bemusement.
Calm voice. One mug. Three million views and counting.
Watch on YouTube ->Reviews, science, gear teardowns, occasional sweaters.
Visit channel ->The blog he started in 2004, still the most personal of his outputs.
Read Jimseven ->Was a casino croupier before he was a barista.
Recorded an EP as King Seven in 2003.
His winning 2007 routine used a tobacco aromatic in the signature drink.
Grew up in the Lake District after being born in Stafford.
Schooled at Uppingham, then Durham University.
First coffee job: floor salesman at Selfridges.
Fans call him Daddy Hoff. He tolerates it.
Reviews pod machines despite running a specialty roastery.
Square Mile partner, World Cup Tasters champion, head of buying and quality.
The Leather Lane cafe Square Mile took over in 2017. Holborn pilgrimage stop.
The 2004 blog that started everything. Still online, still updated.
Publisher of The World Atlas of Coffee and How to Make the Best Coffee at Home.
Small range of accessories, named for the scale at which coffee is poured, served and roasted.
World Barista Championship, Tokyo. Tobacco and almond. A flavour marriage.