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Siggi's Dairy

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Siggi's Dairy is an American brand of Icelandic-style skyr known for thick texture, relatively low sugar, and high protein.

Last updated November 4, 2026

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Overview

Siggi's Dairy, styled as siggi's dairy, is an American dairy brand built around skyr, the thick cultured dairy product associated with Iceland. The company was founded by Icelandic entrepreneur Siggi Hilmarsson after he moved to New York in 2002 to attend Columbia Business School. Hilmarsson found the amount of sugar in many American foods, including yogurt, excessive compared with the Nordic eating habits of his upbringing. He began experimenting with a thicker, less-sweet yogurt inspired by a family recipe that his mother had located in a Reykjavík library. The resulting product used a relatively short ingredient list and a high proportion of milk, giving it a dense texture and tart flavor. The business began as a small local operation. Hilmarsson tested recipes in a dairy facility associated with Morrisville State College in upstate New York and initially sold the product through Murray's Cheese in New York City. Early support came from personal contacts, friends and family, and an investment from Columbia professor Michael van Biema. In 2005, Hilmarsson left his consulting position at Deloitte to pursue the yogurt company full-time. The brand gained an important early retail opportunity after Whole Foods Market expressed interest in the product's low-sugar positioning. In January 2008, Siggi's entered approximately half of Whole Foods' U.S. stores, an unusually broad launch for a young refrigerated-food brand. That launch created a severe operational challenge. Demand quickly exceeded the company's ability to manufacture and cool the yogurt. In the summer of 2008, production and shipping were suspended for several months while the company raised funds, acquired equipment, and rebuilt its production operation. Hilmarsson later described the period as a near-bankruptcy crisis. The episode established a recurring feature of the brand's development: demand was often ahead of its infrastructure. By 2010, the company had a small staff and sourced milk from family farms; by 2011, it was producing roughly 100,000 six-ounce cups per week. The company later moved toward a larger plant and added backup manufacturing capacity in Wisconsin to reduce dependence on a single facility. Siggi's growth accelerated as American consumers showed increasing interest in high-protein foods, lower-sugar products, and Greek yogurt and skyr-style dairy. In 2014, its distribution was concentrated largely in Whole Foods and Target. In 2015, the brand was reported to be available in 8,800 U.S. stores and to have grown sales by 120 percent from the prior year, making it the fastest-growing national yogurt brand in the United States at that time. Distribution expanded to approximately 25,000 retail locations in 2016, including ShopRite, Target, and Wegmans, and the company announced an arrangement to place its products in 7,000 Starbucks locations. By 2017, Siggi's was described as the best-selling yogurt brand at Whole Foods and among the fastest-growing yogurt brands in U.S. grocery retail. The brand's core proposition is nutritional simplicity rather than dessert-like sweetness. Its products have generally been marketed as containing more protein and substantially less sugar than many competing yogurt products, with reported sugar reductions of roughly 25 to 50 percent depending on the comparison. The formula uses substantial quantities of milk and includes fruit and cane sugar in relevant varieties. Its tartness and higher price initially limited mass-market appeal, but those same characteristics helped distinguish it from sweeter mainstream yogurts. The range has included plain and flavored skyr-style products, with flavors such as vanilla, blueberry, mixed berries and açai, and orange and ginger. In 2018, French dairy company Lactalis acquired Siggi's through Icelandic Milk & Skyr Corporation. The brand continued to operate independently after the transaction, retaining its identity and skyr-centered positioning within Lactalis's broader dairy portfolio. Siggi's remains an active brand, although the supplied reference material does not establish a current headquarters, current executive roster, official website, or a complete present-day product range.

History

Siggi's Dairy originated with Siggi Hilmarsson, an Icelandic entrepreneur who moved to the United States in 2002 for graduate business studies at Columbia Business School. Accustomed to a Nordic diet, Hilmarsson became dissatisfied with the high sugar content he encountered in many American foods and yogurts. In 2004, he began making a thick, tart cultured dairy product modeled on Icelandic skyr. His experiments drew on a 1913 recipe that his mother had found in a Reykjavík library. Early batches were made experimentally, and the product first gained commercial interest through Hilmarsson's friendship with Liz Thorpe, then associated with Murray's Cheese in Greenwich Village. A buyer offered to stock the product if Hilmarsson could produce it consistently. Financial support came initially from Columbia professor Michael van Biema and later from friends and family. Hilmarsson tested production at a dairy facility connected with Morrisville State College in upstate New York. After the initial product gained traction at Murray's Cheese, he left Deloitte in 2005 and devoted himself to the company. The brand remained local during its earliest period, selling at New York markets and gaining attention through product sampling. One such sampling opportunity connected the company with a Whole Foods executive. Whole Foods later invited Hilmarsson to present the product in Austin, Texas. Rather than entering a handful of regional stores, Siggi's yogurt launched in approximately half of Whole Foods' U.S. stores in January 2008. The national launch brought more demand than the company could handle. During the summer of 2008, manufacturing and shipping were halted for about three or four months while the company obtained equipment, raised money, and rebuilt the production process. The business came close to bankruptcy during the shutdown. By August 2010, Icelandic Milk & Skyr Corporation had nine employees and obtained milk from roughly 350 cows across six family farms. In 2011, production had reached approximately 100,000 six-ounce cups per week. As demand continued to increase, the company began transitioning to a larger plant in 2013 and later maintained backup manufacturing capacity in Wisconsin. In 2014, retail availability was still concentrated mainly in Whole Foods and Target. Expansion accelerated in 2015 and 2016, when the brand entered thousands of additional U.S. stores, including ShopRite, Wegmans, and Starbucks locations. In 2015, Siggi's was reported to have grown sales by 120 percent over the prior year and to be the fastest-growing national yogurt brand in the United States. By 2017, it was described as Whole Foods' best-selling yogurt brand and one of the fastest-growing yogurt brands in U.S. grocery retail. The company's differentiation rested on a thick skyr-like texture, a tart taste, relatively high protein, and lower sugar than many competing yogurt products. Its products used significant quantities of milk and were offered in plain and flavored varieties. The restrained sweetness initially made the brand challenging for some consumers, while its premium pricing distinguished it from larger value-oriented competitors. In 2018, Lactalis acquired Siggi's through Icelandic Milk & Skyr Corporation. The transaction placed the brand within one of the world's major dairy groups, but the available reference material states that Siggi's continued to be run independently. The supplied sources do not provide enough information to establish later ownership changes, current leadership, headquarters, or the complete modern product portfolio.

  • 2018

    Lactalis acquisition

    [1]

    Lactalis acquired Siggi's through Icelandic Milk & Skyr Corporation, with the brand continuing to operate independently.

  • 2016

    Distribution expands to 25,000 locations

    [1]

    Availability increased to approximately 25,000 U.S. retail locations, alongside the Starbucks distribution announcement.

  • 2015

    Rapid national growth

    [1]

    Siggi's reached approximately 8,800 U.S. stores and was reported as the fastest-growing national yogurt brand.

  • 2013

    Larger manufacturing capacity planned

    [1]

    The company began transitioning toward a larger production plant as demand expanded.

  • 2011

    Production reaches approximately 100,000 cups per week

    [1]

    The company was reported to be producing about 100,000 six-ounce yogurt cups each week.

  • 2008

    Whole Foods national launch

    [1]

    Siggi's entered approximately half of Whole Foods' U.S. stores before experiencing a production-related shutdown later that year.

  • 2005

    Company founded

    [1]

    Hilmarsson left Deloitte and pursued the yogurt business full-time.

  • 2004

    Skyr experiments begin

    [1]

    Hilmarsson began making a thick, less-sweet yogurt inspired by Icelandic skyr and a family recipe.

  • 2002

    Siggi Hilmarsson moves to the United States

    [1]

    Hilmarsson moved from Iceland to New York to attend Columbia Business School.

Products and positioning

A premium, Icelandic-inspired skyr brand emphasizing thick texture, high protein, lower sugar, and relatively simple ingredients.

  • Cultured dairy · 2005

    Skyr-style yogurt

    The brand's core product is a thick, Icelandic-inspired cultured dairy food commonly described as skyr. It is made with substantially more milk than some conventional yogurt products and is positioned around a dense texture, tart flavor, and relatively high protein content. Siggi's has emphasized using less sugar and fewer ingredients than many mainstream alternatives, although the exact nutritional profile varies by product and flavor.

  • Cultured dairy

    Flavored skyr-style yogurt

    Siggi's flavored range has included varieties such as vanilla, blueberry, mixed berries and açai, and orange and ginger. These products combine the brand's thick, tart base with fruit or other flavor ingredients and cane sugar. The range has changed over time; for example, a mint and pear variety was discontinued around 2009 because of fruit supply-chain difficulties.

Brand decisions

  • 2018

    Lactalis acquires Siggi'sM&A

    Background

    Siggi's had become a rapidly growing U.S. yogurt brand with broad grocery and food-service distribution.

    Action taken

    Lactalis purchased Siggi's through Icelandic Milk & Skyr Corporation.

    Aftermath

    The brand remained active and was reported to continue operating independently within the Lactalis group.

  • 2013

    Expand and diversify manufacturing capacityStrategy

    Background

    Continuing demand required more capacity than the company's earlier production arrangements could reliably provide.

    Action taken

    The company began transitioning to a larger plant and later added backup production capacity in Wisconsin.

    Aftermath

    The additional capacity reduced reliance on a single manufacturing site as the brand expanded nationally.

  • 2008

    Pause production to rebuild manufacturing capacityStrategy

    Background

    The Whole Foods launch generated demand beyond the company's ability to cool and produce the yogurt at the required volume.

    Action taken

    Siggi's stopped production and shipping for approximately three to four months, raised money, obtained equipment, and rebuilt the production operation.

    Aftermath

    The company nearly went bankrupt during the interruption but resumed growth after increasing capacity.

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