Aber has...
Clothing: Next, M&S, Matalan, Peacocks, Tesco, New Look, M&Co, Dorothy Perkins, White Stuff, Steilo, Charlies, Morrisons, Mountain Warehouse, plus lots of independents and a few others.
Household: Argos, Tesco, Morrisons, M&S, Charlies, Craft, B&M, Home Bargains, Poundland, M&Co, Curry's, AGEA, plus others
Groceries: Tesco, Tesco Express, Morrisons, Lidl, M&S, CK's, several corner shops and about a million Spars
Takeaways: Several Chinese, Indian and pizza; Caribbean; Fusion; Thai; Greek; Medina; Dominos; Subway. Deliveroo and JustEat operate in the area
Phones: Carphone Warehouse, EE, Vodaphone, Tesco Mobile, Argos
Misc: Halfords, Kwik Fit, Pets at Home, Pandora, Edinburgh Woollen Mill, several independent garages, three cinemas (one is in Borth but easily accessible by bus)
There is also the town leisure centre, plus the sports centre on the Uni campus and a leisure centre on a local holiday park which is open to the public.
...doing a mental walk around town and can't think what I've missed, although I know I have!