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Reactive dog trainers and veterinary behavior services in Denver

11 listings · A–Z
Not a ranking

Browse Denver-area businesses that describe working with reactivity or related behavior concerns. Open a profile to review services, methods, credentials, and pricing where available. Listings are informational, not rankings or endorsements. See also dog behaviorists and behavior consultants and trainers who take aggression cases.

The map shows where businesses are based. Check each profile’s service area to see where they work.

  1. Thornton

    A Good Feeling Dog Training

    Dog trainer / behavior consultant

    Serves Thornton, north Denver, Westminster, Golden, Broomfield, and Brighton; virtual service

    Reactive-dog training

    ✓ Credentials stated Checked September 2, 2026

  2. Denver

    Blitz Dog Training

    Dog trainer / behavior consultant

    Serves Denver metro

    Behavior modification for reactivity, fear, anxiety, and aggression

    Checked September 2, 2026

  3. Denver

    John's Dog Magic

    Dog trainer / behavior consultant

    Serves Denver, Littleton, Englewood, Lakewood, Centennial, Aurora, Arvada, Golden, and the wider metro

    Dog reactivity, aggression, biting, fear, and rescue-dog services

    ✓ Credentials stated Checked September 2, 2026

  4. Denver

    Kali Grimm Canine

    Dog trainer / behavior consultant

    Serves Denver; virtual service worldwide

    Reactivity, fear, aggression, and complex or high-risk cases

    ✓ Prices listed ✓ Credentials stated Checked September 2, 2026

  5. Denver

    Krag Dog Training

    Dog trainer / behavior consultant

    Serves Denver community

    Support for sensitive and reactive dogs

    Checked September 2, 2026

  6. Denver

    Noble Beast Dog Training

    Dog trainer / behavior consultant

    Serves Denver and Englewood

    Prickly Pooch reactive-dog classes and private training

    ✓ Prices listed Checked September 2, 2026

  7. Denver

    Northfield Veterinary Hospital

    Veterinary practice

    Serves Denver; practice at 8733 Northfield Blvd, Denver, CO 80238

    General-practice veterinary behavior consultations, including aggression toward people or other animals. The practice describes a history review, physical evaluation, and an individualized treatment plan.

    Checked October 5, 2026

  8. Arvada

    Proper Paws Dog Training

    Dog trainer / behavior consultant

    Serves Arvada and the surrounding Denver area

    Dog-to-dog and dog-to-human reactivity behavior program

    ✓ Prices listed Checked October 3, 2026

  9. Denver

    The Enriched Dog

    Dog trainer / behavior consultant

    Serves Denver

    Reactive, anxious, and fearful dogs

    Checked September 2, 2026

  10. Denver

    The Joyful Dog Co.

    Dog trainer / behavior consultant

    Serves Central and west Denver metro; virtual service

    Reactivity, aggression, and leash-skills support

    ✓ Credentials stated Checked September 2, 2026

  11. Englewood

    WagWag Enterprises

    Dog trainer / behavior consultant

    Serves Greater Denver metro

    Behavior services, including reactive-dog cases

    ✓ Prices listed ✓ Credentials stated Checked September 2, 2026