Dogs that are working and highly territorial

Want to know more about dogs that are working and highly territorial? See all the dogs that fit this criteria and learn more about what it's like to have these dogs as pets.

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Giant schnauzers are loyal, intelligent, and hard-working dogs who are great companions for those willing to train this high-energy breed. Here's hoping you have the time for long walks and playtime in the yard.
The Anatolian shepherd dog is fiercely loyal and incredibly strong—a working dog like none other. Learn more about this amazing dog breed.
Great Pyrenees are smart and serious dogs that enjoy lots of space and make excellent guardians and family pets. Learn more about living with Great Pyrenees.
Few dogs fit the description of majestic but gentle giants as well as the loving, sweet, and mild-tempered Newfoundland. Easy-going with children and protective of their families, learn why they’re devoted pets.
Tibetan mastiffs are smart, stubborn, and independent dogs who switch between obedient and willful depending on their mood. Learn more about living with the capricious Tibetan mastiff.
Few animals balance fierce protection with friendly playfulness quite like dogo Argentinos. They’re loyal, independent, high-energy dogs that rely on their human companions for support and guidance. Learn how these sporting dogs respond to family life.
Great Danes are enormous, gentle dogs that love spending time with their family, whether guarding them, or lazing at their elbows. Is this gentle gargantuan dog breed right for you?
Bullmastiff dogs are loyal, trusting, and gentle giants that offer not only great companionship, but also intense protection. If you’re fond of big, smart dogs with sweet dispositions, learn more about the lovable bullmastiff.
 Rottweilers are smart, hard-working dogs that can be gentle and devoted when trained well. Learn more about living with Rottweilers.
Samoyeds are so pretty and cheerful, it’s easy to think they’re lazy lap pooches who don’t want to muss up their stunning white coats. But learn why this loyal, clever, and impish work dog lives best with outgoing, athletic people.
Huge and abundantly wrinkled, mighty Neapolitan mastiffs can be sweet, loyal companions requiring little exercise. Learn more about living with Neapolitan mastiffs.
Mastiffs are loyal, protective dogs, famous for their extra-large size and propensity for drooling. Learn more about living with mastiffs.
Boerboels are intelligent, loyal, and gentle protectors of their families. They can weigh up to 200 pounds. Learn more about living with boerboels.
Known as a national treasure in Japan, Akitas have wooed American dog lovers with their loyalty, watchfulness, and graceful strength. Learn more about living with the Akita.
Loyal, intelligent, cuddly, and more than a little sassy, Alaskan malamutes apply a dedicated work ethic to everything they do—even playtime! If you’re eager to have one, learn more about their unique personality and needs.  
The cane corso is a large, dignified Italian breed that is extremely loyal and excels at being a guard dog. Learn more about living with the cane corso.
Sleek, athletic, and incredibly loyal, Doberman pinschers are some of the best guard dogs in the world. But don’t let their reputations fool you.