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  • Veterinary Team, Groton

    A Passionate Staff

    Your Groton Veterinary Team.

    At Companion Animal Hospital, our team of veterinary professionals provides dogs and cats in Groton, Fisher Island, New London County, and beyond with high-quality care.

    Our Vets

  • Veterinary Care, Groton

    Compassionate Care

    We are always welcoming new furry patients to our hospital.

    At Companion Animal Hospital, we offer a wide variety of pet care services that are always provided with compassion to give your cat or dog the best possible care.

    About Our Hospital

  • Core Veterinary Services, Groton

    Quality Pet Care

    We offer the veterinary core care your cat or dog needs.

    Our vets are able to provide your pet with the veterinary services they require to live a healthy life such as vaccinations, wellness exams, dental care, geriatrics, and internal medicine. 

    Core Services

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Improve Your Pet's Smile

Dental Care

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Rescue Your Pet

Surgery Services

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Prevent and Protect

Routine Exams

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Greetings Pets and Pet Owners

Welcome to Our Companion Animal Hospital in Groton

Companion Animal Hospital is a full-service Groton vet hospital for pets that offers a range of medical services for cats and dogs.

Some of the services we offer include preventive care, surgery, dental care, and more under one roof.  

We care for cats and dogs in Groton CT, New London County, and Fisher Island NY and have established a reputation over the last 39 years of providing pets with high-quality, professional care with a friendly touch.

We have a veterinary team made up of experienced vets that are proud to meet the standards of veterinary excellence set by the American Animal Hospital Association!


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Comprehensive Care for Your Pets

Caring, Friendly, Compassion & Quality Service

Companion Animal Hospital is a full-service Groton veterinary clinic that can provide comprehensive veterinary services for cats and dogs in Groton, New London County, Fisher Island NY, and surrounding areas. Our vast range of services includes regular checkups, vaccinations, boarding, dermatology internal medicine, and dental care.


Surgery to help treat conditions in your pet's bones, ligaments, joints, and skeletal structures.

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Nutritional Consulting

We help you give your pet the nutrients they need to live a healthy life.

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You can trust us with your cat or dog's care while you are away with our pet boarding services.

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Emergency Care

We can provide emergency and urgent care during our regular business hours.

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Dermatology for Pets

Our certified veterinarians are able to diagnose and treat your pet's skincare conditions. 

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Health Certificates for Travel

Helping you get the certificates your pet needs to travel.

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What Our Clients Are Saying

  • Companion Animal Hospital has always been excellent in all matters of animal care. I highly recommend them.
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Same-Day Appointments

We can offer same-day appointments to pets that are ill or are experiencing an injury that requires urgent care in Groton and the nearby areas. Call us today to book your appointment.

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Check Out Our Blog

Advice & Tips From Our Vets

Read our blog to get information on a range of veterinary care topics such as parasite protection and common pet illnesses. Our blogs can offer you the tips and advice you need to help your cat or dog live their best life at home!

Dogs & Parvovirus - What You Need to Know

Dogs & Parvovirus - What You Need to Know

Parvovirus is a deadly, highly contagious virus that dogs can contract via direct contact with infected dogs, or through contact with contaminated objects, such as bowls or toys. Today, our vets in Groton offer a list of facts about parvovirus, including how symptoms appear in dogs. 

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What Does Ringworm Look Like on a Dog?

What Does Ringworm Look Like on a Dog?

Ringworm is a fungus similar to athlete's foot. Its infective spores are extremely resilient and difficult to remove from the environment. Every animal, including dogs, can develop ringworm infections. In this post, our Groton vets discuss ringworm in dogs and how it may appear on your pooch's body. 

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Fractured Teeth in Dogs

Fractured Teeth in Dogs

Here, our Groton vets share some tips on how to handle fractured teeth in dogs.

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Exploring Laser Declawing for Cats

Exploring Laser Declawing for Cats

Declawing cats has long been a topic of debate among pet owners and veterinarians. Traditional methods have been widely used, and laser declawing has emerged as a modern alternative. In this blog post, our vets in Groton will discuss the technique of laser declawing, explore its benefits and potential drawbacks, and provide considerations for cat owners contemplating this procedure.

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Address & Hours

Companion Animal Hospital proudly serves patients in Groton and surrounding areas.

Hours of Operation

  • Monday:08:00 am - 05:00 pm
  • Tuesday:08:00 am - 05:00 pm
  • Wednesday:08:00 am - 05:00 pm
  • Thursday:08:00 am - 05:00 pm
  • Friday:08:00 am - 05:00 pm
  • Saturday:08:00 am - 12:00 pm
  • Sunday:Closed

Phone Number

(860) 449-9800


801 Poquonnock Rd Groton CT 06340 US

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New Patients Welcome

Companion Animal Hospital is accepting new patients! Our experienced vets are passionate about the health of Groton companion animals. Get in touch today to book your pet's first appointment.

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Book Online (860) 449-9800