Best Aggressive Dog Trainers in Littleton

2 trainers reviewed
Updated April 2026
Ranked by BarkScore →

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Positivity Dog Training LLC

📍 Littleton, Colorado
Puppy Recall Leash
CPDT-KA · Private 1:1
★★★★★ ★★★★★ Bark Score: 4.66 / 5 Platinum Certified Trainer

Pals Dog Training

📍 Littleton, Colorado
Puppy Reactivity Aggression
In-home • Online/virtual
★★★★★ ★★★★★ Bark Score: 3.98 / 5 Silver Credentialed Trainer
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