They offer comfort and love in return for food, warmth, cuddles and games.
When we asked owners to post photos of their pets and tell us why they’re the best, touching stories flooded our Facebook site.
5. Flopsy bunny
Charlotte Mason posts: "This is Neil, he's the best because he's so good with my children (although sometimes steals food!) and keeps us entertained with his antics and relaxed poses!" Photo: Charlotte Mason
6. Little fella
Stacey Dawn writes: "Our little cookie 🐹 he’s so tamed and spoilt, loves cuddles and he’s just our little fluff ball." Photo: Stacey Dawn
7. Keeping watch
"Scooby is such a handsome chap and is our baby boy," writes Vicki Kelly. "Here he is keeping a look out for his partner in crime (i.e my husband!)" Photo: Vicki Kelly
8. All-round star
Steve Sharp writes: "This is Bertie, a companion, a friend, a comedian, an entertainer, and a great conversation starter!" Photo: Steve Sharp