What is Kof-K?
Also spelled / known as: Kof K Kosher, Kof-K certification
In brief
Kof-K Kosher Supervision is one of the 'Big Four' US kosher certifying agencies, based in Teaneck, New Jersey, and known for its global reach and rigorous standards.
Kof-K explained
Kof-K Kosher Supervision was founded in 1969 and is headquartered in Teaneck, New Jersey. Its symbol is the Hebrew letter Kof (ק) next to a Latin letter K. Kof-K certifies thousands of products, ingredients, and establishments worldwide and is widely accepted in Orthodox Jewish communities.
Real-world examples
The Hebrew letter Kof (ק) with a Latin 'K' on product packaging
Many Teaneck and Bergen County restaurants carry Kof-K supervision
Kof-K certifies both raw materials and finished products
Common on dairy, baked goods, and industrial ingredients
Context & nuance
Kof-K was founded by Rabbi Harvey Senter. Based in Teaneck, it is the dominant certification in many Modern Orthodox communities in New Jersey and supervises a large portion of food establishments in Bergen County. Like the other Big Four agencies, Kof-K certifies meat (K-Meat), dairy (K-D), and Passover products (K-P).
Frequently asked questions
- Where is Kof-K located?
- Kof-K Kosher Supervision is headquartered in Teaneck, New Jersey, and supervises the majority of kosher establishments throughout Bergen County and the broader New Jersey Modern Orthodox community.
- Is Kof-K a reliable kosher certification?
- Yes. Kof-K is one of the 'Big Four' kosher certifying agencies in the United States and is universally accepted in Orthodox Jewish communities alongside OU, OK, and Star-K.
Cities where Kof-K matters most
Find verified kosher listings in these communities where kof-k is especially relevant.
Where Kof-K shows up
These business categories are where you'll encounter kof-k most often.
Related terms
Hechsher
A hechsher is the symbol printed on a kosher product or displayed by a kosher establishment indicating which rabbinic agency has certified it as meeting kosher standards.
OU Kosher
OU Kosher is the certification from the Orthodox Union — the largest kosher certifying agency in the world, supervising over 1,000,000 products from 10,000+ companies in 100+ countries.
OK Kosher
OK Kosher Certification is one of the 'Big Four' kosher certifying agencies in the United States, founded in 1935 and known for its global reach across 100+ countries.
Star-K
Star-K Kosher Certification is a major international kosher agency based in Baltimore, Maryland, known for rigorous standards, extensive rabbinic supervision, and pioneering work on Shabbat-compliant appliances.
Kashrut
Kashrut is the body of Jewish dietary law derived from the Torah, defining which foods are permitted (kosher) and forbidden (treif), how animals must be slaughtered, and how meat and dairy must be kept separate.
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