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  1. Home
  2. Brands
  3. Pet Care
  4. Iams
Iams logo
Pet Care

Who Owns Iams?

Iams is owned by Mars, Incorporated, a privately held American multinational food and pet care conglomerate. Mars acquired Iams from Procter and Gamble in 2014 along with Eukanuba for $2.9 billion. Mars is headquartered in McLean, Virginia, USA and is not publicly traded.

Parent Company

Mars, Incorporated

Acquired

2014

Status

Private

Headquarters

Mason, Ohio, USA

Iams Timeline

1911
Mars, Incorporated

Parent company established in McLean, Virginia, USA

Company Founded
1946

Iams

Founded by Paul Iams

Founded
2014
Acquired by Mars, Incorporated

Mars, Incorporated acquired Iams

Acquired
mid rangepremiumGlobalOfficial Website

Who Owns Iams?

  • Parent Company: Mars, Incorporated
  • Ownership Type: Wholly owned
  • Acquisition Year: 2014
  • Company Type: Privately Held
BrandParent CompanyOwnership Type
IamsMars, IncorporatedWholly owned

Where to Buy

Disclosure: We may earn commission from purchases
AmazonIams on Amazon

History of Iams

  • Founded: 1946
  • Founders: Paul Iams
  • Acquired by Mars, Incorporated: 2014

Paul Iams, an animal nutritionist, founded Iams in 1946 in Dayton, Ohio. Iams had previously worked as a dog handler and nutritionist and was dissatisfied with the quality of commercial pet foods available at the time, which were largely composed of grain fillers and meat by-products. He developed a dog food formula using high-quality animal protein as the primary ingredient, which he called Iams 999.

The company grew slowly through the 1950s and 1960s, selling primarily through veterinary clinics and specialty pet stores rather than mass-market retailers. This distribution strategy positioned Iams as a premium, professionally recommended brand and built loyalty among veterinarians and breeders.

In 1975, Paul Iams sold the company to Clay Mathile, who had joined Iams in 1970 as a general manager. Mathile led the company through a period of significant growth, expanding into cat food, international markets, and new manufacturing facilities. Under Mathile's leadership, Iams grew from approximately $100 million in revenue to over $1 billion by the late 1990s.

Procter and Gamble acquired Iams in 1999 for $2.1 billion, marking P&G's entry into the pet care industry. Under P&G ownership, Iams expanded its distribution to mass-market retailers including Walmart and Target, moving away from the brand's traditional specialty channel focus. This expansion increased sales volume but drew criticism from some long-time customers and veterinarians who felt the brand's premium positioning was being diluted.

In 2014, P&G sold Iams, Eukanuba, and its European pet care operations to Mars for $2.9 billion. P&G retained its North American pet care business briefly before selling the remaining operations to Spectrum Brands in 2015. The Mars acquisition brought Iams into the world's largest pet care portfolio, alongside Royal Canin, Pedigree, and Whiskas.

Under Mars ownership, Iams has been repositioned as a mid-premium brand, sitting below Royal Canin (veterinary and breed-specific) and above Pedigree (mass-market). The brand has focused on its Proactive Health line, which includes formulas for different life stages, sizes, and health needs. Iams products are sold through mass-market retailers, pet specialty stores, and online channels.

About Mars, Incorporated

What does Mars, Incorporated own?
Mars owns a portfolio of approximately 50+ brands across pet care, confectionery, savory snacks, and food categories. Its most recognized brands include M&M's, Snickers, Twix, Pedigree, Whiskas, Royal Canin, Pringles, Cheez-It, and Pop-Tarts. The company also owns the world's largest veterinary hospital network through Banfield, BluePearl, and VCA. The Kellanova acquisition in December 2025 added Pringles, Cheez-It, Pop-Tarts, RXBAR, and Kellogg's cereal brands to the portfolio.

Is Mars, Incorporated publicly traded?
No, Mars, Incorporated is entirely privately held by the Mars family. The company has never been publicly traded and has no stock exchange listing. This private ownership structure has been a consistent feature since the company's founding in 1911 and is enshrined in the company's Five Principles as the principle of "Freedom."

Who founded Mars, Incorporated?
Mars was founded by Frank C. Mars in 1911 in Tacoma, Washington. Frank Mars started the company producing butter cream candies. His son, Forrest Mars Sr., later joined the business and drove its global expansion, developing M&M's in 1941 and establishing Mars operations in the United Kingdom. The Mars family has maintained ownership and control across multiple generations.

Where is Mars, Incorporated headquartered?
Mars, Incorporated is headquartered in McLean, Virginia, USA, in the Washington metropolitan area. The Mars Snacking division is headquartered in Chicago, Illinois, following the Kellanova acquisition. The company operates manufacturing facilities and offices in more than 80 countries worldwide.

How many brands does Mars, Incorporated own?
Mars owns approximately 50+ brands across its four primary segments. The portfolio includes 9 billion-dollar brands in snacking alone (M&M's, Snickers, Twix, Skittles, Pringles, Cheez-It, Pop-Tarts, Kellogg's, and Dove/Galaxy), plus major pet care brands including Pedigree, Whiskas, and Royal Canin. The company also operates veterinary service brands including Banfield, VCA, and BluePearl.

Who owns Mars, Incorporated?
Mars, Incorporated is owned entirely by the Mars family, descendants of founder Frank Mars and his son Forrest Mars Sr. The family has maintained complete ownership across multiple generations, making Mars one of the world's largest family-owned businesses. No external investors, private equity firms, or public shareholders hold equity in the company.

What was Mars's largest acquisition?
Mars's largest acquisition was the $36 billion purchase of Kellanova, completed on December 11, 2025. Kellanova's portfolio included Pringles, Cheez-It, Pop-Tarts, RXBAR, and Kellogg's international cereal brands. The deal created a combined Mars Snacking division generating approximately $36 billion in annual revenue. Prior to Kellanova, Mars's largest acquisition was the approximately $23 billion purchase of Wrigley in 2008.

What is Mars's annual revenue?
Mars generates approximately $65 billion in annual revenue (FY2025, estimated). The company does not publicly disclose detailed financial results because it is privately held. Revenue estimates come from company press releases, credit rating agencies, and reputable business press. Following the Kellanova acquisition, Mars's snacking division alone generates approximately $36 billion in annual revenue.

  • Founded: 1911
  • Headquarters: McLean, Virginia, USA
  • Company Type: Privately Held
  • Revenue: approximately $65 billion (FY2025, estimated)
  • Employees: approximately 170,000

Visit Mars, Incorporated website

View full company profile for Mars, Incorporated

Where Is Iams Made / Based?

  • Headquarters: Mason, Ohio, USA
  • Manufacturing / Operations: United States, France, Germany

Iams Categories & Tags

Pet FoodDog FoodCat FoodPremium Pet NutritionMars Petcare

Iams Sustainability & Ethics

Iams operates under Mars, Incorporated's sustainability framework. Mars has committed to net zero greenhouse gas emissions across its full value chain by 2050, with interim targets for 2030. The company reports progress annually in its Principles in Action report.

Mars Petcare has established specific sustainability initiatives for its pet food brands, including sustainable sourcing of fish (through Marine Stewardship Council certification), responsible meat sourcing, and packaging reduction targets. Iams packaging has been redesigned to reduce plastic content, and Mars has committed to 100% recyclable, reusable, or compostable packaging by 2025.

Iams ingredients are sourced from suppliers who must meet Mars' supplier code of conduct, which covers environmental standards, labor practices, and animal welfare. Mars conducts supplier audits and publishes compliance data in its annual report. The company sources chicken, turkey, and lamb from suppliers in the United States and Europe.

Animal welfare is a core concern for Mars Petcare. The company has established animal welfare standards for its ingredient suppliers and conducts welfare audits at supplier facilities. Mars has also committed to eliminating cage housing for laying hens in its supply chain by 2025.

Iams supports pet adoption programs and animal shelter partnerships through Mars Petcare's corporate giving initiatives. The brand has partnered with organizations including the American Humane Society and local animal shelters to promote pet adoption and responsible pet ownership.

Awards & Recognition

Iams is recognized as one of the few pet food brands that meets World Small Animal Veterinary Association (WSAVA) guidelines for pet nutrition. This recognition places Iams alongside Royal Canin, Hill's Science Diet, Purina Pro Plan, and Eukanuba as brands that meet the highest standards for pet food formulation, nutritional adequacy, and manufacturing quality control.

The brand has received veterinary endorsements and recommendations from veterinary professionals for its science-based nutrition approach. Iams employs veterinary nutritionists and conducts feeding trials to support its nutritional claims.

Consumer publications including Consumer Reports and pet food review sites have generally rated Iams favorably for nutritional quality and value. The brand's Proactive Health line has been recognized for providing balanced nutrition at accessible price points.

Iams Recalls & Controversies

Iams' most significant recall occurred in August 2013 when the company voluntarily recalled several dry dog food and cat food products due to potential Salmonella contamination. The recall affected specific production lots and was initiated after routine testing identified possible contamination. Iams worked with the FDA to remove affected products and implemented enhanced quality control measures. No illnesses were reported in connection with the recall.

Iams has faced criticism from some pet owners and pet nutrition advocates regarding the use of corn, soy, and meat by-products in its formulations. Critics argue these ingredients are lower quality than whole meat ingredients. Iams maintains that all ingredients meet nutritional standards and are included based on scientific research supporting their nutritional value. The brand's compliance with WSAVA guidelines supports this position.

The brand's ownership changes have prompted consumer concerns about potential changes in ingredient quality. The transition from independent ownership to P&G (1999) and then to Mars (2014) led some customers to question whether product quality remained consistent. Iams maintains that its nutritional standards and quality control have been maintained through both ownership transitions, and the brand's continued WSAVA compliance supports this claim.

Iams has been involved in broader industry debates about grain-free diets and their potential link to dilated cardiomyopathy (DCM) in dogs. The FDA investigated a potential connection between grain-free diets and DCM between 2018 and 2021. Iams, which includes grains in most of its formulations, was not named in the investigation. The brand has used the DCM concern to differentiate its grain-inclusive formulas from grain-free competitors.

Brands Owned by Mars, Incorporated

CelebrationsFood Beverage

Celebrations

Owned by Mars, Incorporated

British chocolate assortment brand featuring a variety of chocolate candies, owned by Mars, Incorporated and distributed globally.

chocolateassortmentcandies
Cheez-ItFood Beverage

Cheez-It

Owned by Mars, Incorporated

American brand of cheese cracker snacks owned by Mars, Incorporated through its Kellanova subsidiary. Created in 1921 in Dayton, Ohio.

snackscrackerscheese
Galaxy ChocolateFood Beverage

Galaxy Chocolate

Owned by Mars, Incorporated

British chocolate brand owned by Mars, Incorporated, known for smooth and creamy chocolate bars and confectionery products.

chocolatechocolate-barsconfectionery
M&M'sFood Beverage

M&M's

Owned by Mars, Incorporated

Candy-coated chocolate confections produced by Mars, Incorporated, one of the world's best-selling candy brands since 1941.

candychocolateconfectionery
MaltesersFood Beverage

Maltesers

Owned by Mars, Incorporated

British chocolate brand owned by Mars, Incorporated, known for malted milk balls covered in milk chocolate.

chocolateconfectionerymalted-milk-balls
Milky WayFood Beverage

Milky Way

Owned by Mars, Incorporated

American nougat, caramel, and chocolate candy bar owned by Mars, Incorporated, introduced in 1923. One of the oldest candy bars still in production in the United States, with a distinct formulation difference between US and European versions.

chocolatecandy-barnougat
View all brands owned by Mars, Incorporated

Iams Ownership: Pros & Cons

Advantages

  • +Backed by Mars Petcare's global R&D and manufacturing infrastructure
  • +80 years of pet nutrition research and veterinary heritage
  • +WSAVA guidelines compliance for nutritional standards
  • +Strong distribution through mass-market and pet specialty channels
  • +Part of the world's largest pet care company

Considerations

  • -Faces competition from newer premium and fresh food brands
  • -Criticism from some consumers regarding use of corn, soy, and by-products
  • -Ownership changes have created consumer uncertainty about consistency
  • -Mid-premium positioning may not satisfy consumers seeking super-premium options
  • -Mars is privately held, limiting public financial transparency

Frequently Asked Questions About Iams

Sources & Further Reading

  • Iams Official Website:
  • Mars, Incorporated Official Website:
  • Mars Petcare Official Website:
  • Mars Principles in Action Report:
  • World Small Animal Veterinary Association (WSAVA) Guidelines:
  • FDA Pet Food Safety and Recalls:
  • Pet Food Reviewer WSAVA Analysis:
  • DogTime Iams Recall History:
  • Wikipedia: Iams:
  • Wikipedia: Mars, Incorporated:

Competitors to Iams

These competing brands operate in the same categories and provide similar products or services. Compare key attributes to understand market positioning and competitive landscape.

BrandParent CompanyCountryFoundedMarket PositionPrimary MarketGender Target
Pure BalancePure Balance
Walmart
USA
2012
Premium mass-marketUnited statesAll Genders
PedigreePedigreeSister Brand
Mars Inc
USA
1957
Mass marketGlobalAll Genders
WhiskasWhiskasSister Brand
Mars Inc
United States
1958
Mass marketGlobalAll Genders

Learn More About Competitors

Pure BalancePet Care

Pure Balance

Owned by Walmart Inc.

Walmart's private label natural pet food brand for dogs and cats, launched in 2012 and manufactured by Post Holdings under contract. Features real meat as the first ingredient with no artificial additives.

pet-fooddog-foodcat-food
PedigreePet Care

Pedigree

Owned by Mars, Incorporated

Mass-market dog food brand offering dry kibble, wet food, and treats, owned by Mars Petcare (Mars Incorporated).

dog-foodpet-nutritionmass-market
WhiskasPet Care

Whiskas

Owned by Mars, Incorporated

Global brand of cat food products including wet food, dry food, and treats, produced by Mars Petcare, a division of Mars, Incorporated.

pet-foodcat-foodpet-care

Competitive Analysis

Market Positioning: Iams competes with 3 brands in the same categories, ranging from mass market to luxury positioning.

Geographic Distribution: Competitors are headquartered across multiple regions, indicating global competition in this market segment.

Brand Heritage: Competitor brands range from established heritage brands to newer market entrants, with founding years spanning several decades.

Independent Alternatives to Iams

Looking for brands with different ownership structures? These similar brands are not owned by Mars, Incorporated, giving you alternative choices that support different corporate structures.

Pure BalancePet Care

Pure Balance

Owned by Walmart Inc.

Walmart's private label natural pet food brand for dogs and cats, launched in 2012 and manufactured by Post Holdings under contract. Features real meat as the first ingredient with no artificial additives.

pet-fooddog-foodcat-food
Publicly Traded

Pure Balance is owned by Walmart Inc., a public company, a different structure than Iams's parent.

Pro PlanPet Care

Pro Plan

Owned by Nestlé S.A.

Premium pet food brand known for science-based nutrition formulas and specialized dietary solutions for dogs and cats, with over 140 targeted formulas.

premium-pet-fooddog-nutritioncat-nutrition
Publicly Traded

Pro Plan is owned by Nestlé S.A., a public company, a different structure than Iams's parent.

Ol' RoyPet Care

Ol' Roy

Owned by Walmart Inc.

Walmart's private label dog food brand named after Sam Walton's bird dog. Budget-priced dry and canned dog food sold exclusively at Walmart.

dog-foodpet-careprivate-label
Publicly Traded

Ol' Roy is owned by Walmart Inc., a public company, a different structure than Iams's parent.

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Last reviewed: August 1, 2026 · Reviewed by Who Brands Editorial Team