Florean Fortescue's Ice Cream Parlour was a shop that sells ice-cream. Located on Diagon Alley, the Parlour was owned and operated by Florean Fortescue before he disappeared in 1996. [It is now ran by his relatives.] The Parlour is a small shop with places to sit down inside, and a small area outside with a bunch of tables and chairs. Inside, there can be found lots of colourful ice-cream on display.

Flourish and Blotts Bookseller is a bookstore in Diagon Alley where most Hogwarts students purchase their schoolbooks. The store has had a few problems with certain books, such as The Invisible Book of Invisibility which cost them a great deal of money though they never found them, and The Monster Book of Monsters which tore each other up as well as biting the manager when he tried to get one out.

Gringotts Wizarding Bank is the only known bank of the wizarding world, and is owned and operated by Goblins. It was created by the goblin Gringott. Its British branch is located in Diagon Alley in London, England. In addition to storing money and valuables for wizards and witches, one can go there to exchange Muggle money for wizarding money.

The Magical Menagerie is a shop in Diagon Alley. It is very cramped and noisy with every inch of wall covered by cages. It sells all kinds of animals - poisonous orange snails, a giant jewel-encrusted tortoise, sleek black rats that are very intelligent, owls, ravens, cats of every colour, Puffskeins, a Transforming Rabbit and much more.

Ollivanders Wand Shop is a wand shop. It is owned by the Ollivander family and it was run by Mr. Ollivander until his death - and now by his remaining family. Ollivanders is known to be one of the finest wand shops in all of Europe. The main shop is located at Diagon Alley, but there is a smaller branch in Hogsmeade.

Potage's Cauldron Shop was the first store one encountered when entering Diagon Alley from behind the Leaky Cauldron. It sold all types of cauldrons, displaying them in a stack outside the shop, under a sign which said: "Cauldrons - All Sizes - Copper, Brass, Pewter, Silver - Self-Stirring - Collapsible."

Quality Quidditch Supplies is a store in Diagon Alley. It stocks many Quidditch related items such as, Quaffles, Bludgers, and broomsticks. The shop generally gets stocked with the latest and unique broomsticks to hot the country - which included the Firebolt in past times.

Slug & Jiggers Apothecary is a shop in Diagon Alley which sells potion ingredients. The store's interior is packed full of goods, with barrels of "slimy stuff" on the floor, jars containing herbs, roots, and brightly-coloured powders along the walls, and bunches of feathers, fangs, and claws hanging from the ceiling. All of these ingredients give the store an unpleasant aroma described as a combination of bad eggs and rotten cabbage.

Weasleys' Wizard Wheezes is a joke shop in Diagon Alley owned by George Weasley and his wife Angelina. It sells practical joke objects, such as Extendable Ears, a Reusable Hangman, [and the late] Fred and George's special WonderWitch products, such as Love Potions, ten-second pimple remover, and Pygmy Puffs. There is also a section of Muggle magic tricks, which are said to do steady business, despite not being big sellers.

Madam Malkin's Robes for All Occasions (sometimes simply referred to as Madam Malkin's) is a shop in Diagon Alley. Students get their Hogwarts school uniforms there, and wizards and witches can also purchase dress robes, travelling cloaks, and the like.