Since you have already thought about working around the pets, you would know typical businesses like grooming parlor, training, dog-walking, daycare, etc.
Below are some of the unique businesses you can consider starting.

1. Pet Bakery

If you are a god lover and enjoy baking, this one is for you. Opening a bakery seems to be very lucrative since it is becoming more and more popular. Produce your own products or source it from some other manufacturers. You can focus on dog treats, cakes, and may other Nutri-munchies. Moderate capital and fair know-how of dog treats and you are good to go.

2. Organic treats

Ingredients of dog treats are becoming a point of concern for dog parents. Opening an organic treat store or online shop will definitely give you the eyes and ears of many dog owners and especially those who are concerned about the health and the environment.

3. Bandana Designer

Do you think you are creative? If you have an eye for design and understanding of fabric and basic stitching, this one is for you. You can either sell online, at events and also tie-up with stores. Possibilities are endless when it comes to design, from funny to luxury to exclusive to custom, and so on. Dog parents are happy to give their pooch a dashing new look.

4. Pet Transportation

This is a big problem that needs an immediate solution. People travel often from one city to another, be it work, long vacation, moving cities, etc and face problems to transport their four-legged child. Either existing services are not reliable/unhygienic, unsafe, or too expensive for some. If you can find a way to solve these issues, you will definitely sit on a flying business.

5. Pet-friendly cafe`

Combined the love for dogs and the community can drag you to stick to this idea. For the past few years, the pet-friendly cafe has gained much popularity. A place where both you and your pet can hang out and chill. To top it off it can also serve as daycare and adoption center.