Driving Private Labels: The Role of Kosher Certification in Retailers’ Success

Private Labels: A Cornerstone of Modern Retail 

In the evolving grocery landscape, private label brands have become a cornerstone of many retailers’ offerings, driving a significant portion of their sales. This growth includes the development of private labels designed to meet specific consumer demands, like kosher certification. 

Leading the Kosher Certification Charge: Aldi and Trader Joe’s 

Top retailers with OU Kosher certified products

Table of top retailers percentage of private label sales with kosher certified products

Retailers like Aldi and Trader Joe’s are at the forefront, with private labels making up a substantial majority of their sales. According to the latest data from Numerator’s Private Label Trends Tracker, 80% of Aldi’s sales come from private labels, including 3,756 OU kosher-certified products. Similarly, 69% of Trader Joe’s sales come from private labels, offering 1,480 OU kosher-certified products.

Grocery Retailers Dominate the Market 

Grocery stores now dominate the private label market. Seventeen of the 20 biggest U.S. retailers in this category focus on groceries. Major players like Walmart, Kroger, and Target have successfully introduced their own brands into many households. Walmart stands out with the highest household penetration of any U.S. retailer. Popular brands like Great Value, Marketside, and their newest Bettergoods brand contribute to this success. Together, these brands include 4,650 OU kosher-certified products.

Industry-Wide Growth in Kosher Certification of Private Labels 

The industry’s focus on private label growth is evident across major retailers. Costco, where 34% of sales come from private labels, offers 1,053 OU kosher-certified products, with Kirkland as one of the largest. Similarly, H-E-B and Sam’s Club, each with 33% of their sales from private labels, provide 2,251 and 698 OU kosher-certified items, respectively.

The Impact of Kosher Certification 

Collectively, these major retailers offer 13,888 OU kosher-certified products, underscoring their market influence and commitment to meeting diverse consumer needs. As consumers demand higher quality and specific dietary certifications, grocers like Aldi, Trader Joe’s, Walmart, and others have expanded their kosher-certified offerings. This caters not only to Jewish consumers but also to a broader audience seeking high-quality, ethically produced food options. 

Transparency Builds Consumer Trust 

A key part of this strategy is the emphasis on transparency in product sourcing and manufacturing. Consumers increasingly demand to know where their products come from, how they are made, and what ingredients are used. Retailers are responding by providing more information about their private label products, which helps build trust with their customers. By emphasizing quality, sustainability, and transparency, these retailers are strengthening their private label brands, which is essential for retaining customer loyalty in a competitive market. 

The Evolution of Private Labels 

Initially seen as low-cost alternatives to national brands, private labels have increasingly gained recognition for their quality. This shift, driven by improvements in manufacturing, strategic retailer efforts, and changing consumer behavior, allows store brands to match or even surpass the quality of national brands at a lower price point. This evolution is crucial for retailers, enabling them to compete more effectively while maintaining customer loyalty through unique, high-quality offerings like OU kosher-certified products. 

The Future of Private Labels and Kosher Certification 

As private labels continue to gain traction, certifications like OU kosher will likely become even more important. They offer retailers a significant opportunity to differentiate their products in a crowded market. Aldi, Trader Joe’s, Walmart, Costco, and others lead the grocery industry in both private label dominance and kosher certification. This sets them apart as pioneers, catering to a diverse and growing consumer base. 

Howard Katzenstein
Howard Katzenstein was born and bred in Manhattan. He graduated from the City College of New York with a B.A. in economics and business management. Previously, he served as director of a genetic screening program and taught high school biology. Currently, he is Director of Business Management and Trademark Compliance at the Orthodox Union. As the primary liaison to distributors, he has provided a free seminar on kosher to over 30 supermarkets and food service companies in their own headquarters.