Halal vs Kosher — What's the Difference?

Halal (Islamic dietary law) and kosher (Jewish dietary law, from the Hebrew kashrut) share enough in common that halal-observant and kosher-observant people can often eat at the same restaurants — but the two systems aren't identical, and treating them as interchangeable can lead to genuine mistakes.

Where they overlap

Both require animals to be slaughtered by a trained individual using a swift cut to the throat
Both require blood to be drained from the meat
Both forbid pork
Both forbid certain other animals (predators, scavengers)
Both involve a specific religious formula or blessing said at the time of slaughter

Where they genuinely differ

	Halal	Kosher
Stunning	Most UK halal meat is pre-stunned; a minority is non-stunned	Always non-stunned (shechita)
Alcohol	Forbidden	Permitted (some wine is even used ritually)
Shellfish & seafood	Generally permitted	Only fish with fins and scales are kosher; shellfish is forbidden
Mixing meat & dairy	No restriction	Meat and dairy must not be eaten together or prepared with the same utensils
Blood removal method	Draining at slaughter	Draining, plus additional soaking and salting (kashering) afterward
Certification	Various bodies (HFA, HMC, and others), with differing standards	Supervised by a rabbi or kosher certification agency

Is kosher automatically halal?

No — this is a common assumption, and it isn't accurate. Kosher meat generally satisfies several halal requirements (trained slaughterer, blood drainage, permitted species), but it fails on others: kosher production is always non-stunned, and more importantly, the religious formula invoked during kosher slaughter is Jewish, not Islamic, which most Islamic scholars hold means kosher meat is not automatically considered halal regardless of the method's similarities. Views do vary here, so if this matters to your practice, it's worth checking with a scholar you trust rather than assuming either way.

Is halal automatically kosher?

No, for similar reasons — the blessing and supervision requirements differ, and kosher law has its own certification process that halal certification doesn't satisfy on its own.

In practice

If you're catering an event with both halal and kosher guests, the safest approach is food certified to both standards specifically, rather than assuming one covers the other. Several UK caterers now offer dual-certified options for exactly this reason.