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Iams vs Open Farm

Iams is made by Iams Company (owned by Mars, Incorporated), and Open Farm is branded by Open Farm Inc. (owned by Independent (minority investors: General Atlantic, Encore Consumer Capital)) and made by third-party co-packers, and both make food for cats and dogs. On KibbleLab, Iams averages 9.1 out of 10 across its scored foods, compared with 8.6 for Open Farm. Iams meets WSAVA's published criteria for evaluating a manufacturer, while Open Farm does not.

Iams and Open Farm compared

Iams Open Farm
Manufacturer Iams Company Open Farm Inc.
Parent company Mars, Incorporated Independent (minority investors: General Atlantic, Encore Consumer Capital)
Founded 1946 2014
Headquarters Mason, Ohio, United States Toronto, Ontario, Canada
Manufacturing Whether a brand makes its own food in-house or has it produced by an outside contract manufacturer or co-packer.
In-house Co-packer
Made in United States United States
Manufacturing region Ohio Minnesota
Products listed 48 125
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.
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 .
9.1 (avg of 48) 8.6 (avg of 125)
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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Iams vs Open Farm: how they compare

Scores

Iams scores higher on KibbleLab, averaging 9.1 out of 10 across 48 scored foods, compared with 8.6 across 125 for Open Farm. Scores apply the same criteria-based rubric to every food, drawn from published veterinary science.

Who makes them

Iams is made by Iams Company, owned by Mars, Incorporated, based in Mason, Ohio, United States, founded in 1946. Open Farm is a brand of Open Farm Inc., owned by Independent (minority investors: General Atlantic, Encore Consumer Capital), based in Toronto, Ontario, Canada, founded in 2014. Its food is made by third-party co-packers in United States.

Standards and range

Iams meets WSAVA's published manufacturer criteria, while Open Farm does not. Open Farm is accredited by the Pet Sustainability Coalition; Iams is not. KibbleLab lists 48 Iams foods and 125 Open Farm foods.

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Common Questions

Which scores higher on KibbleLab, Iams or Open Farm?

Iams scores higher: it averages 9.1 out of 10 across 48 scored foods, compared with 8.6 for Open Farm. Scores reflect published veterinary science.

Who makes Iams and Open Farm?

Iams is made by Iams Company, which is owned by Mars, Incorporated. Open Farm is a brand of Open Farm Inc., which is owned by Independent (minority investors: General Atlantic, Encore Consumer Capital). Its food is made by third-party co-packers in United States.

Which brand has more products on KibbleLab?

Open Farm has 125 products in the KibbleLab database, compared with 48 for Iams.

Where is each brand based?

Iams is based in Mason, Ohio, United States. Open Farm is based in Toronto, Ontario, Canada.

Do Iams and Open Farm meet WSAVA criteria?

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

Are Iams or Open Farm PSC Accredited?

Open Farm 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 Iams or Open Farm been recalled?

Neither Iams nor Open Farm 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: Iams and Open Farm .

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.