A large wizarding bookshop filled with shelves stacked to the ceiling, Flourish & Blotts is the primary supplier of textbooks for Hogwarts.

Madam Malkin's is located next door to Flourish & Blotts, and in addition to selling Hogwarts school robes, they also sell robes which are "spangled, self-ironing, beautifying, slimming, fattening, lengthening," and "temperature-adjusting" and they carry robes made by Whopperwear "for the outsize witch or wizard.

Madam Primpernelle's is located at 275, Diagon Alley.

A very crowded pet store, noisy with the sounds of all the animals. The proprietor is a witch who wears heavy black spectacles. She offers advice and sells things like rat tonic.

Located at 18a Diagon Alley, and the publishers of Fantastic Beasts and Where to Find Them.

A stationery store, located next door to Quality Quidditch Supplies, this store sells ink, quills, and parchment.

An upscale clothing store.

Located at 129B Diagon Alley, and the publisher of Quidditch Through the Ages.

"Makers of Fine Wands since 382 B.C," Ollivander's is a narrow and shabby little shop with a window display consisting of a single wand resting on a faded purple cushion. Inside the walls are lined floor to ceiling with thousands of narrow boxes.