Skip to content

6,000+ pet foods rated. Your best match, free in 30 seconds.

Hill's Science Diet vs Nulo

Hill's Science Diet is made by Hill's Pet Nutrition (owned by Colgate-Palmolive Company), and Nulo by Nulo, Inc. (owned by Apax Partners), 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 8.3 for Nulo. Hill's Science Diet meets WSAVA's published criteria for evaluating a manufacturer, while Nulo does not.

Hill's Science Diet and Nulo compared

Hill's Science Diet Nulo
Manufacturer Hill's Pet Nutrition Nulo, Inc.
Parent company Colgate-Palmolive Company Apax Partners
Founded 1907 2009
Headquarters Topeka, Kansas, USA Austin, Texas, USA
Products listed 73 291
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 No
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) 8.3 (avg of 291)
Recalls on record KibbleLab began logging recalls in July 2026, so earlier recalls may not appear.
None None
Where to buy Amazon Amazon

Affiliate links · may earn a commission at no extra cost to you.

Hill's Science Diet vs Nulo: how they compare

Scores

Hill's Science Diet scores higher on KibbleLab, averaging 8.6 out of 10 across 73 scored foods, compared with 8.3 across 291 for Nulo. 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. Nulo is made by Nulo, Inc., owned by Apax Partners, based in Austin, Texas, USA, founded in 2009.

Standards and range

Hill's Science Diet meets WSAVA's published manufacturer criteria, while Nulo does not. Hill's Science Diet is accredited by the Pet Sustainability Coalition; Nulo is not. KibbleLab lists 73 Hill's Science Diet foods and 291 Nulo foods.

Not sure which is right for your pet?

Sign in free to see Hill's Science Diet and Nulo scored for your pet's breed, age, and health focus, save favorites, and compare foods side by side.

Example foods

Common Questions

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

Hill's Science Diet scores higher: it averages 8.6 out of 10 across 73 scored foods, compared with 8.3 for Nulo. Scores reflect published veterinary science, and no one can pay for a higher score.

Who makes Hill's Science Diet and Nulo?

Hill's Science Diet is made by Hill's Pet Nutrition, which is owned by Colgate-Palmolive Company. Nulo is made by Nulo, Inc., which is owned by Apax Partners.

Which brand has more products on KibbleLab?

Nulo has 291 products in the KibbleLab database, compared with 73 for Hill's Science Diet.

Where is each brand based?

Hill's Science Diet is based in Topeka, Kansas, USA. Nulo is based in Austin, Texas, USA.

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

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

Are Hill's Science Diet or Nulo PSC Accredited?

Hill's Science Diet is a PSC Accredited business. The Pet Sustainability Coalition is a nonprofit that Accredits pet companies on their environmental and social impact, through third-party verification.

Have Hill's Science Diet or Nulo been recalled?

Neither Hill's Science Diet nor Nulo 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 Nulo .

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.