Waitrose own brand is PETA and Leaping Bunny approved, this includes their toiletries as well as their cleaning products. Ocado is part of the same organisation, they stock some different things but there’s mainly overlap.
Here is a rough list of all their other ‘Cruelty Free’ products:
(This is not conclusive or official, just brands that I would be happy purchasing based on official leaping bunny certification or just that they look small and niche enough to not be part of big unethical corporations).
Dead Sea Spa
Neal’s Yard Remedies
Taylor’s 32 Toothpaste
Waitrose own range (duh, but bears repeating)