One kosher producer, who exported food abroad, also said he had contingency plans “in place”, while waiting to see the outcome of this week’s parliamentary vote on Brexit.
“Whatever happens, we will have to trade with Europe,” he said. “But what the terms will be, we don’t know.”
Manchester Beth Din said it sources all its meat from the UK.
Kedassia, which serves London’s Charedi community, imports some beef from Poland. A spokesman said it would make plans if a problem emerged.