Start with primary sources: the company's own About page, leadership bios, and press releases often describe where it was founded and by whom. Public companies disclose headquarters and major shareholders in their filings.
Distinguish between Israeli-founded, Israeli-headquartered, Israeli-owned, and companies with Israeli R&D centers. A global brand may have Israeli roots but be owned today by a foreign parent, or vice versa. Ownership changes through acquisitions, so check the date of any source.
Israel Limited listings are community-submitted and reviewed by editors, but the directory is a starting point, not a legal certification. When ownership matters for a decision, confirm directly with the business.