Skip to content

7,500+ pet foods rated. Your best match, free in 30 seconds.

Kirkland Signature vs Weruva Wx Formulas

Kirkland Signature is branded by Costco Wholesale Corporation and made by third-party co-packers, and Weruva Wx Formulas is branded by Weruva International, Inc. and made by third-party contract manufacturers. On KibbleLab, Kirkland Signature and Weruva Wx Formulas both average 8.6 out of 10. Kirkland Signature makes food for cats and dogs, while Weruva Wx Formulas covers cats.

Kirkland Signature and Weruva Wx Formulas compared

Kirkland Signature Weruva Wx Formulas
Manufacturer Costco Wholesale Corporation Weruva International, Inc.
Parent company Independent Independent
Founded 1983 2006
Headquarters Issaquah, Washington, USA Natick, 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 Contract manufacturer
Made in USA Thailand
Products listed 17 9
Serves Cats & dogs Cats
Price tier A relative price guide, from $ (most affordable) to $$$$$ (most premium), based on the brand's typical retail cost.
$$ Not listed
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 Not indicated
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. How scoring works .
8.6 (avg of 17) 8.6 (avg of 9)
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

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

Kirkland Signature vs Weruva Wx Formulas: how they compare

Scores

Kirkland Signature and Weruva Wx Formulas average the same KibbleLab score, 8.6 out of 10, across 17 and 9 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. Weruva Wx Formulas is a brand of Weruva International, Inc., based in Natick, Massachusetts, USA, founded in 2006. Its food is made by third-party contract manufacturers in Thailand.

Standards and range

Neither meets WSAVA's published manufacturer criteria. KibbleLab lists 17 Kirkland Signature foods and 9 Weruva Wx Formulas foods.

Not sure which is right for your pet?

Sign in free to save favorites and compare foods side by side. Add KL+ to see Kirkland Signature and Weruva Wx Formulas scored for your pet's breed, age, and health focus.

Example foods

Common Questions

Which scores higher on KibbleLab, Kirkland Signature or Weruva Wx Formulas?

Kirkland Signature and Weruva Wx Formulas average the same KibbleLab score, 8.6 out of 10.

Who makes Kirkland Signature and Weruva Wx Formulas?

Kirkland Signature is a brand of Costco Wholesale Corporation. Its food is made by third-party co-packers in USA. Weruva Wx Formulas is a brand of Weruva International, Inc.. Its food is made by third-party contract manufacturers in Thailand.

Which brand has more products on KibbleLab?

Kirkland Signature has 17 products in the KibbleLab database, compared with 9 for Weruva Wx Formulas.

Where is each brand based?

Kirkland Signature is based in Issaquah, Washington, USA. Weruva Wx Formulas is based in Natick, Massachusetts, USA.

Have Kirkland Signature or Weruva Wx Formulas been recalled?

Neither Kirkland Signature nor Weruva Wx Formulas 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 Weruva Wx Formulas .

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.