Edward Sexton, a grasp tailor who, along with his enterprise accomplice, Tommy Nutter, upended the staid British establishment that was Savile Row with Nutters, a store with rock ’n’ roll aptitude and clientele, died on July 23 in London. He was 80.

His dying was introduced by his firm, which shares his identify. No trigger was given.

Mr. Nutter was the store’s charismatic frontman, and Mr. Sexton was often called “the wizard with the scissors,” the professional cutter who created the flamboyant shapes the store would change into well-known for: the broad lapels and sharp shoulders, the nipped in waists and waistcoats, and the sweeping trousers.

The aesthetic was “continental, American, queer and camp,” the journalist Lance Richardson famous in “Home of Nutter: The Insurgent Tailor of Savile Row” (2018), “mixed with a eager constancy to old-school Savile Row craftsmanship.”

Sporting a Nutters’ swimsuit, one shopper advised Mr. Richardson, made you are feeling like “an honored custodian of one thing spectacular.”

When the Beatles marched throughout Abbey Highway in 1969, three of them have been suited up by Nutters. (George wore bluejeans.) That very same 12 months, when John Lennon married Yoko Ono in Gibraltar, he wore a white corduroy swimsuit coat made by Nutters.

When Mick Jagger married Bianca Perez-Mora Macias in St.-Tropez in 1971, he additionally wore a white Nutters swimsuit. The bride wore Yves St. Laurent, although she was quickly ordering from Nutters, too. She accessorized the fits with bowler hats and her signature strolling sticks.

Different feminine prospects included the mannequin Twiggy, an avatar of ’60s fashion, who was as soon as fitted out in a swimsuit of cranberry velvet trimmed with braid. The mannequin Patty Boyd and the actress Joan Collins have been devoted shoppers. The aristocrats got here, too — Lord and Girl Montagu had matching Nutters fits — and extra rock stars, like Eric Clapton and David Bowie, together with artists like David Hockney; Tommy Tune, the lanky American dancer and choreographer; and Kenneth Tynan, the tart theater critic.

Nutters opened on Valentine’s Day in 1969 at 35a Savile Row, the storied London road the place bespoke tailors had outfitted the British ruling class for greater than a century. Not like its stuffy neighbors, whose home windows have been frosted glass, Nutters’ home windows, framed by Corinthian pillars, supplied mischievous dioramas designed by Michael Lengthy — a Punch and Judy present; a mural of Egyptian ruins; purple and sizzling pink ostrich feathers.

When Simon Doonan started designing the home windows within the mid-Seventies, he as soon as stuffed them with taxidermied rats outfitted in tiny tuxedos and diamanté chokers. The inside was scented with patchouli. There have been modern Bauhaus chairs. Empty champagne bottles have been lashed to the door with crimson ribbons.

The store had been financed by Peter Brown, Mr. Nutter’s boyfriend on the time and the previous assistant to Brian Epstein, the supervisor of the Beatles. (When Mr. Epstein died of an overdose in 1967, Mr. Brown took over a few of his duties.) Cilla Black, one other pop star managed by Mr. Epstein, was additionally a backer. “It’s going to be terribly posh,” Ms. Black advised The Sunday Categorical simply earlier than the store opened for enterprise.

In its first 12 months, the store bought 1,000 fits, almost half of them to People, together with Nancy Reagan, then the primary woman of California. Elton John ordered them in multiples. “It was fairly an occasion entering into to Nutters,” John Reid, Mr. John’s supervisor, advised Mr. Richardson, the creator. “You’d write the entire time without work. Perhaps you’d have lunch, a few bottles of Champagne.”

The Day by day Mail referred to as the store “a whiz-bang success” on its first anniversary.

“We made stylish, elegant clothes,” Mr. Sexton advised Mr. Richardson. “That’s what I’ve been doing all my life. Tommy was unbelievable at it, no person may contact him, socializing and bringing in the best kind of shoppers. There’s by no means been one other Tommy, and there by no means will likely be, and as a workforce we have been dynamic.”

They have been a terrific duo at first. Although Mr. Sexton was straight, they referred to as one another Pamela and Roxanne (Tommy was Pamela, or “Pammie”) and bantered with one another, the employees and their prospects in a swirling verbal mélange of rhyming Cockney slang and Polari, a secret language usually used on the time by homosexual Britons.

However Mr. Nutter was too chaotic to be a businessman, and in 1976 their partnership ended. Mr. Sexton took over the enterprise, and Mr. Nutter floundered for a bit earlier than signing on with one other Savile Row agency. Within the early Nineteen Eighties, he opened his personal store, Tommy Nutter, down the block from the unique Nutters. Across the similar time, Mr. Sexton renamed his enterprise in his personal identify.

Mr. Sexton would go on to decorate the musicians Annie Lennox, Mark Ronson and, in 2017, Harry Kinds, whom he outfitted in so-called millennial pink. In 1995, he took on a younger apprentice named Stella McCartney, when she was nonetheless learning trend at Central Saint Martins. He helped her along with her commencement present, which featured the fashions Kate Moss, Naomi Campbell and Yasmin Le Bon. When Ms. McCartney grew to become inventive director of Chloé in 1997, Mr. Sexton labored for a time as a advisor there.

“My years spent as an apprentice to Edward have been a few of the most memorable and helpful in my profession,’’ Ms. McCartney advised Ladies’s Put on Day by day, including, “He was a lot enjoyable, a cheeky ‘reside life within the second’ man.”

Edward Sexton was born on Nov. 9, 1942, in London. His father, William, was a public well being inspector, and his mom, Isabelle (Pitt) Sexton, cleaned places of work on the BBC. Edward grew up within the Elephant and Fort, a working-class neighborhood that lent him his wealthy Cockney accent.

At 15, he labored as a waiter on the Waldorf lodge in London’s West Finish, serving patrons dressed for the opera. As he advised Mr. Richardson, the expertise was “my first realization that there have been lots of people doing totally different, nicer issues than both I or my dad and mom have been doing.”

He started to purchase bespoke fits; he cherished the intimate course of of getting them made and devoted himself to studying the commerce. He took night time lessons at Barrett Avenue Technical Faculty and labored as an apprentice making driving put on for Harry Corridor. He then grew to become an under-cutter at Kilgour, French & Stanbury and later a full-fledged cutter at Donaldson, Williams & G. Ward, each venerable Savile Row tailors. “I figured for those who’re going to be an excellent jockey,” he mentioned, “you higher have the most effective stables.”

It was at Donaldson, Williams that Mr. Sexton met Mr. Nutter, who was working as a salesman and who was simply as keen as Mr. Sexton to enterprise out on his personal. Mr. Sexton already had a lot of his personal shoppers on the facet, and collectively he and Mr. Nutter started to conspire about opening their very own store.

Mr. Sexton married Joan Carter in 1963 and is survived by her, together with a daughter, Angela; two sons, Paul and Philip; and 5 grandchildren. Mr. Sexton was working till his dying.

Mr. Nutter retired from his enterprise in 1992 and died of AIDS a number of months later at 49.

“Nobody wished to be a legend,” Mr. Sexton advised Mr. Richardson, reflecting on Nutters’ zesty starting. “It was simply two younger fellas working exhausting, believing in what they did.”