U
OU — Orthodox Union
USA · worldwide
The largest certifier, on over a million products: snacks, cereals, beverages, restaurants and industrial ingredients.
Kosher Symbols
A hechsher (הכשר) is the seal of a rabbinic agency that supervises a product. Here's who certifies what.
K
OK Kosher
USA · worldwide
Major global certifier of ingredients, flavors and consumer brands, strong in Asia and Europe.
★K
Star-K
Baltimore, USA
Certifies food, appliances (Sabbath mode ovens/fridges) and many industrial ingredients.
KOF-K
KOF-K
USA · worldwide
Long-standing agency for food manufacturers, chemicals and pharmaceuticals.
cRc
cRc — Chicago Rabbinical Council
Chicago, USA
Widely trusted for consumer goods, bakeries and restaurants; publishes a well-known liquor list.
בד״ץ
Badatz (Edah HaChareidis)
Jerusalem, Israel
A strict ‘mehadrin’ standard common in Israel and Haredi communities.
KLBD
KLBD — London Beth Din
United Kingdom
Main UK certifier, publishes the Really Jewish Food Guide.
MK
MK — Montreal Kosher
Canada
Leading Canadian certifier for food producers and restaurants.
Markings next to the symbol
- D / Dairy
- Contains dairy or made on dairy equipment. Wait after meat before eating.
- M / Meat
- Contains meat or poultry. Don't eat with dairy.
- Pareve
- Neither meat nor dairy — eat with either.
- P
- Kosher for Passover (not ‘pareve’!).
- DE
- Dairy equipment — no dairy ingredients but made on dairy lines.
- Fish
- Contains fish; many avoid eating it together with meat.
Kosher symbol gallery
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Symbols shown are simplified illustrations; trademarks belong to their respective agencies.