Introducing the top five guard dogs for busy people. These breeds offer the perfect combination of protection and companionship for those with a fast-paced lifestyle, the German Shepherd. Known for their intelligence and loyalty, they make excellent guard dogs with proper training. Did you know that German shepherds have a powerful sense of smell and are often utilized in search and rescue missions? The Dobrmann Pinscher. Energetic and trainable, their alertness and presence deter potential intruders. Dobrmanns were originally bred to be tax collectors guard dogs in Germany, the Bull Mastiff. Gentle yet imposing, they provide formidable protection for your home. Despite their size, Bull Mastiffs are surprisingly agile and can reach impressive speeds when needed. The Rotweiler is another great choice. With their powerful build and unwavering loyalty, they excel at safeguarding loved ones. Rotweilers were originally bred in Germany to herd livestock and pull carts. The Boxer. Playful and devoted, they possess both guarding instincts and a friendly demeanor. Boxers are known for their clownish and silly personalities, making them a delightfully entertaining companion.