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Iams vs Zignature

Iams is made by Iams Company (owned by Mars, Incorporated), and Zignature by Pets Global, Inc. On KibbleLab, Iams and Zignature both average 8.1 out of 10. Iams meets WSAVA's published criteria for evaluating a manufacturer, while Zignature does not.

Iams and Zignature compared

Iams Zignature
Manufacturer Iams Company Pets Global, Inc.
Parent company Mars, Incorporated Independent
Founded 1946 2010
Headquarters Mason, Ohio, United States Valencia, California, USA
Products listed 48 53
Serves Cats & dogs 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.
No 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 .
8.1 (avg of 48) 8.1 (avg of 53)
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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Iams vs Zignature: how they compare

Scores

Iams and Zignature average the same KibbleLab score, 8.1 out of 10, across 48 and 53 scored foods. 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

Iams is made by Iams Company, owned by Mars, Incorporated, based in Mason, Ohio, United States, founded in 1946. Zignature is made by Pets Global, Inc., an independent maker, based in Valencia, California, USA, founded in 2010.

Standards and range

Iams meets WSAVA's published manufacturer criteria, while Zignature does not. KibbleLab lists 48 Iams foods and 53 Zignature foods.

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Common Questions

Which scores higher on KibbleLab, Iams or Zignature?

Iams and Zignature average the same KibbleLab score, 8.1 out of 10.

Who makes Iams and Zignature?

Iams is made by Iams Company, which is owned by Mars, Incorporated. Zignature is made by Pets Global, Inc.

Which brand has more products on KibbleLab?

Zignature has 53 products in the KibbleLab database, compared with 48 for Iams.

Where is each brand based?

Iams is based in Mason, Ohio, United States. Zignature is based in Valencia, California, USA.

Do Iams and Zignature meet WSAVA criteria?

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

Have Iams or Zignature been recalled?

Neither Iams nor Zignature 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: Iams and Zignature .

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.