What the policy actually does
Limited Ad Serving caps how often an advertiser's ads can show in scenarios Google judges more likely to produce a bad experience. It has existed for Search and YouTube; the August 2026 update extends it to all Google Ads, with the rollout completing by 2028. Google's own framing is that only qualified advertisers serve without impression limits.
The scope now names Gmail, Play Store and Discover alongside Search and YouTube. If you are not advertising in the scenarios the policy covers, your ads are not limited by it.
That last clause is doing quiet work. Google does not publish an exhaustive list of the scenarios, and says it weighs user feedback, prevalence of abuse and industry trends when deciding which count.
Why nobody finds it
Because there is nothing to find. Google states plainly that individual ads will not be disapproved. An account under this policy has approved ads, no policy errors, and less volume than its settings imply.
Every routine account review looks for disapprovals. They are red, listed, and demand attention. A limited account produces none of that. It produces a quiet gap between the impressions the keyword volume suggests and the impressions actually served.
There is one signal: advertisers with a meaningful proportion of impressions in scope get an in-account notification. That threshold word matters. An account limited on a smaller share of its impressions may get nothing at all.
So the diagnostic is negative evidence. Budget not spending, impression share low, no auction explanation, no disapprovals. In a Google Ads account that combination has a short list of causes and this is now on it.
What decides whether you qualify
Google lists seven factors: account attributes, user activity and reports, account maturity, ad format usage, history of policy compliance, advertiser industry, and advertiser verification status. It adds that persistent, disproportionate user reports are weighed especially seriously.
Read that list as an operator rather than a compliance officer and two entries stand out.
Account maturity means a new account is structurally disadvantaged, independently of anything it does wrong. Launching a new business, migrating to a fresh account after an agency change, or spinning up a separate account for a new location all start from the same weaker position.
Advertiser industry means the assessment is partly about the category you are in. Combine the two and a new account in a scrutinised vertical is the profile most likely to be limited, which is also a fair description of a lot of first campaigns.
Verification is the only item on the list an advertiser can simply go and do.
The Search-specific part worth acting on
For Search, Google says it wants the advertiser's identity to be unambiguous, and that ads referencing other brands, or generic ads with no branding at all, may confuse users about who is advertising. Those are the ads it may limit.
This lands awkwardly on two common practices. Competitor-conquesting ads reference other brands by construction. And a great deal of lead-generation copy is deliberately generic, because generic copy tests well on click-through.
Neither is a policy violation. Both now carry a volume risk that does not show up as an error. Clear branding in the ad and matching branding on the landing page is cheap insurance, and it is the same message-match discipline that helps quality score anyway.
What to do
Complete advertiser verification if the account is eligible, check the notifications area for a limited-serving notice, and if one exists, use the Limited Ad Serving Appeals Form rather than waiting it out.
Google says it reviews and updates limits automatically as it monitors accounts, and is candid that it cannot say how long that takes. It also warns that a lifted limit can be reinstated if issues reappear.
For a new account, the practical read is that the first months are a trust-building period whether or not anyone planned for one. Budget expectations set from keyword volume alone will overshoot, and the gap will look like a bidding failure.
The broader point is the same one that keeps recurring. Platform state is now a real input to media performance, and it is not visible in the metrics most accounts are reviewed on. Checking it belongs in the audit, not in the incident response.
What this means for an operator
If an account has approved ads, unspent budget and low impression share with no auction explanation, check for a limited-serving notification before you touch bids. Then complete advertiser verification, which is the only qualification signal you directly control.