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Hill's Science Diet vs Summit

Hill's Science Diet is made by Hill's Pet Nutrition (owned by Colgate-Palmolive Company), and Summit by Petcurean Pet Nutrition Inc., and both make food for cats and dogs. On KibbleLab, Hill's Science Diet averages 8.6 out of 10 across its scored foods, compared with 8.1 for Summit. Hill's Science Diet meets WSAVA's published criteria for evaluating a manufacturer, while Summit does not.

Hill's Science Diet and Summit compared

Hill's Science Diet Summit
Manufacturer Hill's Pet Nutrition Petcurean Pet Nutrition Inc.
Parent company Colgate-Palmolive Company Independent
Founded 1907 1999
Headquarters Topeka, Kansas, USA Chilliwack, British Columbia, Canada
Products listed 73 6
Serves Cats & dogs Cats & dogs
Price tier A relative price guide, from $ (most affordable) to $$$$$ (most premium), based on the brand's typical retail cost.
$$$$ $$$
WSAVA guidelines The World Small Animal Veterinary Association (WSAVA) publishes criteria for evaluating a manufacturer: qualified nutritionists on staff, feeding trials, and published research. It does not certify or endorse brands.
Yes No
PSC accredited The Pet Sustainability Coalition is a nonprofit that accredits pet companies on their environmental and social impact, through third-party verification. It reflects sustainability practices, not food quality.
Yes Yes
Score The average KibbleLab score across this brand's scored foods, on a 0 to 10 scale. Foods are scored on published veterinary science, and no one can pay for a higher score. How scoring works .
8.6 (avg of 73) 8.1 (avg of 6)
Recalls on record KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.
None None
Where to buy Amazon Amazon

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Hill's Science Diet vs Summit: how they compare

Scores

Hill's Science Diet scores higher on KibbleLab, averaging 8.6 out of 10 across 73 scored foods, compared with 8.1 across 6 for Summit. Scores apply the same criteria-based rubric to every food, drawn from published veterinary science, and no one can pay for a higher score.

Who makes them

Hill's Science Diet is made by Hill's Pet Nutrition, owned by Colgate-Palmolive Company, based in Topeka, Kansas, USA, founded in 1907. Summit is made by Petcurean Pet Nutrition Inc., an independent maker, based in Chilliwack, British Columbia, Canada, founded in 1999.

Standards and range

Hill's Science Diet meets WSAVA's published manufacturer criteria, while Summit does not. Both are accredited by the Pet Sustainability Coalition. KibbleLab lists 73 Hill's Science Diet foods and 6 Summit foods.

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Common Questions

Which scores higher on KibbleLab, Hill's Science Diet or Summit?

Hill's Science Diet scores higher: it averages 8.6 out of 10 across 73 scored foods, compared with 8.1 for Summit. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Hill's Science Diet and Summit?

Hill's Science Diet is made by Hill's Pet Nutrition, which is owned by Colgate-Palmolive Company. Summit is made by Petcurean Pet Nutrition Inc.

Which brand has more products on KibbleLab?

Hill's Science Diet has 73 products in the KibbleLab database, compared with 6 for Summit.

Where is each brand based?

Hill's Science Diet is based in Topeka, Kansas, USA. Summit is based in Chilliwack, British Columbia, Canada.

Do Hill's Science Diet and Summit meet WSAVA criteria?

Hill's Science Diet meets WSAVA's published criteria for evaluating a manufacturer; Summit does not, based on public information. WSAVA publishes criteria; it does not certify or endorse brands.

Are Hill's Science Diet or Summit PSC Accredited?

Both Hill's Science Diet and Summit are PSC Accredited businesses. The Pet Sustainability Coalition is a nonprofit that Accredits pet companies on their environmental and social impact.

Have Hill's Science Diet or Summit been recalled?

Neither Hill's Science Diet nor Summit has a recall on record in the KibbleLab database. KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.

See the full profiles: Hill's Science Diet and Summit .

More comparisons

KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.

This is a neutral, factual comparison, not a ranking or an endorsement of either brand. KibbleLab may earn affiliate commissions through links. No one can pay for placement or a higher score.

Brand and manufacturer details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing. Recall data is compiled from public FDA and manufacturer notices, and a notice may name the parent company rather than the brand. KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.

KibbleLab scores and commentary are editorial opinions based on published data. Represent one of these brands? Request a correction. Anyone else can email us. See our Terms.