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Kirkland Signature vs Old Mother Hubbard

Kirkland Signature is branded by Costco Wholesale Corporation and made by third-party co-packers, and Old Mother Hubbard is made by Wellness Pet Company (owned by Clearlake Capital Group). On KibbleLab, Kirkland Signature and Old Mother Hubbard both average 8.6 out of 10. Old Mother Hubbard is accredited by the Pet Sustainability Coalition; Kirkland Signature is not.

Kirkland Signature and Old Mother Hubbard compared

Kirkland Signature Old Mother Hubbard
Manufacturer Costco Wholesale Corporation Wellness Pet Company
Parent company Independent Clearlake Capital Group
Founded 1983 2021
Headquarters Issaquah, Washington, USA Tewksbury, Massachusetts, USA
Manufacturing Whether a brand makes its own food in-house or has it produced by an outside contract manufacturer or co-packer.
Co-packer In-house
Made in USA United States
Manufacturing region Not listed Massachusetts
Products listed 17 19
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.
No 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 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. How scoring works .
8.6 (avg of 17) 8.6 (avg of 19)
Recalls on record We track the FDA's animal food recall listings back to January 2019 and publish every pet food recall automatically. A filing that isn't pet food may not appear here.
None None
Where to buy
Amazon
Amazon

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Kirkland Signature vs Old Mother Hubbard: how they compare

Scores

Kirkland Signature and Old Mother Hubbard average the same KibbleLab score, 8.6 out of 10, across 17 and 19 scored foods. Scores apply the same criteria-based rubric to every food, drawn from published veterinary science.

Who makes them

Kirkland Signature is a brand of Costco Wholesale Corporation, based in Issaquah, Washington, USA, founded in 1983. Its food is made by third-party co-packers in USA. Old Mother Hubbard is made by Wellness Pet Company, owned by Clearlake Capital Group, based in Tewksbury, Massachusetts, USA, founded in 2021.

Standards and range

Neither meets WSAVA's published manufacturer criteria. Old Mother Hubbard is accredited by the Pet Sustainability Coalition; Kirkland Signature is not. KibbleLab lists 17 Kirkland Signature foods and 19 Old Mother Hubbard foods.

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Common Questions

Which scores higher on KibbleLab, Kirkland Signature or Old Mother Hubbard?

Kirkland Signature and Old Mother Hubbard average the same KibbleLab score, 8.6 out of 10.

Who makes Kirkland Signature and Old Mother Hubbard?

Kirkland Signature is a brand of Costco Wholesale Corporation. Its food is made by third-party co-packers in USA. Old Mother Hubbard is made by Wellness Pet Company, which is owned by Clearlake Capital Group.

Which brand has more products on KibbleLab?

Old Mother Hubbard has 19 products in the KibbleLab database, compared with 17 for Kirkland Signature.

Where is each brand based?

Kirkland Signature is based in Issaquah, Washington, USA. Old Mother Hubbard is based in Tewksbury, Massachusetts, USA.

Are Kirkland Signature or Old Mother Hubbard PSC Accredited?

Old Mother Hubbard 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 Kirkland Signature or Old Mother Hubbard been recalled?

Neither Kirkland Signature nor Old Mother Hubbard has a recall on record in the KibbleLab database. We track the FDA's animal food recall listings back to January 2019 and publish every pet food recall automatically. A filing that isn't pet food may not appear here.

See the full profiles: Kirkland Signature and Old Mother Hubbard .

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 filings, and a filing may name the parent company rather than the brand. We track the FDA's animal food recall listings back to January 2019 and publish every pet food recall automatically. A filing that isn't pet food may not appear here.

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.