Is Shawerma Plus halal?

The owner says halal at 5 of them. Community sources cover the rest.

6locations have halal evidence

Own claim, backed by the community: The place says halal on its own site or menu, and a community source agrees.1
Community evidence only: A community source lists it as halal. The place itself makes no halal claim.1
Part of the menu: Only some menu items are halal.4