Business verification used to be something advertisers did eventually, mostly to unlock extra features. In 2026, treating it that way is a mistake. It's become the main mechanism protecting accounts from automated bans, not a bonus checklist item. Two different checks, often confused Business Verification and Advertiser Verification sound similar but do different jobs. Business Verification confirms the legal existence of the organization that owns the Business Manager, and it's required to unlock things like API integrations and cross-Business Manager audience sharing. Advertiser Verification is narrower — it confirms the identity of whoever is actually funding the spend, and it's a system-initiated check that triggers automatically once an account crosses certain spend thresholds or enters a regulated category (Gabriele Galluzzo). What Meta actually asks for Business registration documents, tax registration, or a utility bill in the business's name. The documents need to clearly show the legal business name and address, and they can't be older than 12 months. It's a low bar procedurally, but it trips up a lot of advertisers who register a business under one name and run ads under another. Why it's become urgent Meta's 2026 verification push specifically targets ads in professional services, financial products, healthcare, real estate, and education. Accounts running in those categories without verification are being retroactively flagged, not just blocked from applying going forward (Coronium). An account that was fine six months ago can get flagged today simply because the enforcement caught up to it. The upside of doing it early Verified businesses get real advantages beyond avoiding bans: higher spend limits, access to more Commerce features, and eligibility for campaign objectives that are locked behind verification entirely. Framed that way, it's less a compliance chore and more a prerequisite for scaling at all. For anyone mapping out how verification interacts with spend limits and account trust more broadly, bm2500.asia ties the pieces together well — it's where I first saw how directly the two are connected rather than treated as separate topics. The advertisers getting caught off guard in 2026 aren't running risky ads. They're running ordinary ones from unverified accounts in categories that now require documentation they never got around to submitting.