If you run Google Ads for your business, something may have changed in your account this fall without you clicking a single button. Through September 2026, Google began automatically moving many Search campaigns over to AI Max, its new layer of AI-powered targeting and ad writing. For a lot of owners, the first sign was a search terms report full of queries they never chose, or ad headlines they didn’t write.
This guide explains Google Ads AI Max for small business owners in plain English: what it is, what actually changed in your account, whether you should keep it on, and the exact checks to run this week so your budget keeps working for you. No jargon marathon, just the steps.
What Is Google Ads AI Max for Search?
AI Max is not a new campaign type. It is a set of features that sits on top of your existing Search campaigns. Google describes it in its help centre as a "continuous optimization layer" that uses real-time signals to decide which searches your ads show on, what the ad says, and which page people land on.
There are three main pieces:
- Search term matching. Your ads can show for searches beyond your keyword list. Google uses broad match technology plus the content of your ads, assets and landing pages to find searches it thinks are relevant.
- Text customization. This is the new name for what used to be called "automatically created assets." Google uses your existing ads, your website copy and generative AI to write headlines and descriptions tailored to each search.
- Final URL expansion. Instead of always sending people to the page you picked, Google can send them to another page on your site that seems a better match for what they searched. This feature only works when text customization is on.
Around those three features, AI Max adds controls: brand inclusions and exclusions, URL inclusions and exclusions, "locations of interest" at the ad group level, and new reporting so you can see what the AI did.
What Changed in September 2026 (and What’s Coming Next)
Google announced the plan on its official Ads & Commerce blog in April 2026, and the rollout has moved in stages. Here is the timeline small business owners need to know:
- August 2026: According to a September 16 breakdown by Elite Digital, advertisers could no longer create new Search campaigns using the old "automatically created assets" or campaign-level broad match settings.
- September 2026: Existing Search campaigns that still used either of those legacy settings started upgrading to AI Max automatically. Campaigns with automatically created assets moved over with search term matching and text customization switched on. Campaigns with the campaign-level broad match setting moved over with search term matching switched on.
- February 2027: Dynamic Search Ads (DSA) are next. Google originally planned to upgrade them in September too, but in a June 2026 update it pushed the DSA auto-upgrade to begin in February 2027. When that happens, DSA campaigns will move to standard ad groups with all three AI Max features turned on, and existing URL controls will be kept.
So if your campaigns used either of those older settings, there is a good chance AI Max is already running in your account. If you run Dynamic Search Ads, you have a few months to prepare before your campaigns are switched for you.
Why Small Business Owners Should Pay Attention
For a large retailer with a big budget and thousands of conversions, letting Google’s AI explore new searches is often a reasonable bet. For a small business, every wasted click hurts more. A Newmarket plumber with a modest monthly budget, or a Richmond Hill dental clinic paying for every tap on "book now," cannot afford weeks of spend on searches that never turn into customers.
Here is the balanced picture:
- The upside. Google says advertisers using the full AI Max feature suite see, on average, 7% more conversions or conversion value at a similar cost per acquisition or return on ad spend. That figure comes from Google’s own internal data for non-retail advertisers, so treat it as Google’s claim rather than an independent result. In a test written up for Search Engine Land, Menachem Ani of JXT Group reported that AI Max spent less aggressively than he expected in an ecommerce account and brought in additional orders at a strong return.
- The risk. Search term matching can show your ad on searches your keywords never covered. Text customization can write copy that is technically accurate but off-brand, or that promises something you don’t offer. Final URL expansion can send a "same-day furnace repair" searcher to your blog post instead of your booking page.
- The data question. AI works best with plenty of conversion data. In the same Search Engine Land piece, Ani suggests avoiding AI Max in newer accounts until they consistently reach around 30 conversions a month for a few months. Many local service businesses are below that line.
The short version: AI Max is not good or bad on its own. It is a powerful tool that needs guardrails, especially in a small account.
How to Check If AI Max Is Running in Your Google Ads Account
Before you change anything, find out where you stand. This takes about ten minutes.
- Sign in to Google Ads and open Campaigns. Click into each Search campaign one at a time.
- Open the campaign settings. Look for the AI Max section. It will show whether AI Max is on and which features are active: search term matching, text customization and final URL expansion.
- Check your notifications. Google said it would show account notifications before switching campaigns, so look at the bell icon for messages about the upgrade and when it happened.
- Write down the switch date. You will need it to compare performance before and after.
If you have an agency or freelancer managing your ads, ask them directly: "Which of our campaigns are on AI Max now, which features are on, and what guardrails did you set?" A good partner will answer in one email.
Step 1: Set a Clean Before-and-After Baseline
You cannot judge AI Max without a fair comparison. Elite Digital recommends exporting your August results by campaign as a baseline, then comparing October against August rather than September. That makes sense: campaigns switched on different days during September, so that month mixes old and new settings.
Track the numbers that actually matter to your business, not just clicks:
- Cost per lead or cost per sale
- Number of calls, form fills or bookings
- Lead quality (how many became real customers)
- Total spend
Remember seasonality too. An Aurora landscaping company will naturally see different results in October than in August, AI or no AI. If you can, compare against the same month last year as well.
Step 2: Read Your Search Terms Report Every Week
This is the single most important habit with AI Max. The search terms report shows the actual words people typed before they saw and clicked your ad.
According to Google’s help centre, you can isolate AI Max traffic by filtering the "Match type" column for AI Max, or by adding the "Source" column. Switch the view to "Search terms and ad combinations" to see which headline and landing page appeared for each search. That one view tells you exactly what the AI decided on your behalf.
Look for three warning signs:
- Wrong service. A Bradford HVAC company that only installs furnaces showing up for "car air conditioning repair."
- Wrong intent. Searches like "jobs," "salary," "free," "DIY," or "how to become" that rarely turn into paying customers.
- Wrong area. A Richmond Hill clinic getting clicks from people searching for services in cities it doesn’t serve.
When you find a bad search term, check its row and choose "Add as negative keyword." One caution from Google’s own guidance: after you first turn AI Max on, wait at least two weeks before making changes such as adding negatives so the campaign can finish learning. After that, a weekly 15-minute review keeps things tidy.
Step 3: Review the Ads Google Wrote for You
Text customization means some of your headlines and descriptions are now written by Google’s AI. In the ad-level asset report, those assets are labelled "Google AI" in the "Added by" column.
Read every one of them. Ask yourself:
- Is it accurate? Does it promise a price, guarantee, or service you don’t offer?
- Does it sound like your business?
- Would it pass your industry’s rules? Dental, legal, financial and real estate businesses have extra advertising standards to respect.
If an asset is wrong, click its status icon and remove it. If text customization keeps producing copy you don’t like, you can turn it off in campaign settings. Keep in mind that final URL expansion relies on text customization, so turning one off affects the other.
Step 4: Control Where Google Sends Visitors
Final URL expansion can be great when your website has strong, specific service pages. It can backfire when Google picks a page that was never meant to convert, such as a careers page, a privacy policy or an old blog post.
Open the landing pages report. Google notes that the "Selected by" column shows whether AI Max chose a URL. If you see pages that shouldn’t get ad traffic, add them as negative URLs, or set URL exclusions at the campaign level. If there is a page you definitely want included, URL inclusions let you add it at the ad group level.
This step is also a website check. If the AI keeps choosing a page you think is weak, that is a sign the page you wanted people to land on may need clearer headings, a stronger offer, and an obvious call-to-action. A fast, focused landing page helps every campaign, with or without AI. If your pages need work, our website and Google Ads services are built for exactly this.
Step 5: Set Brand and Location Guardrails
AI Max adds two controls that matter a lot for local businesses.
Brand inclusions and exclusions
Brand exclusions, set at the campaign level, stop your ads from appearing alongside searches for specific brands. That is useful if you don’t want to pay for clicks from people looking for a competitor by name, or for a brand you don’t carry. Brand inclusions, set at campaign or ad group level, do the opposite. Brand lists live under Tools, then Shared library. In his Search Engine Land write-up, Ani also suggests keeping a separate standalone Search campaign for your own branded terms so you can see and protect that traffic clearly.
Locations of interest
Locations of interest, set at the ad group level, help you reach people based on the places they are searching about, including on searches that didn’t match one of your keywords. For a business that serves Richmond Hill, Aurora, Newmarket and Toronto, this is a way to keep the AI focused on your real service area. Pair it with careful campaign location settings so you are not paying for clicks from people far outside the area you serve.
Should You Keep AI Max On? A Simple Decision Guide
There is no one answer for every business, but these rules of thumb will point you in the right direction.
- Keep it on and monitor if your campaigns already get steady conversions, your conversion tracking is accurate, your budget isn’t maxed out every day, and the first few weeks of search terms look relevant. Google’s help centre notes that AI Max won’t be effective if a campaign is limited by budget.
- Keep it on but narrow it if results are mixed. You can turn off search term matching in specific ad groups that keep attracting junk, while leaving it on where it is finding good new customers.
- Turn features off if your account is small, your conversion tracking is unreliable, or you are seeing lots of irrelevant searches and spam leads. Search term matching is switched off in ad group settings; text customization and final URL expansion are switched off in campaign settings.
- Test it properly if you are unsure. Google offers one-click experiments so you can compare AI Max against your current setup with a split of your traffic instead of guessing.
Whatever you choose, the deciding factor should be your cost per real customer, not Google’s dashboard score.
Common Mistakes Small Businesses Make With AI Max
- Assuming nothing changed. If your campaigns were upgraded automatically, your ads may be showing on new searches with new copy right now. Check.
- Tracking the wrong conversions. If Google counts page views or button clicks as "conversions," the AI will chase cheap clicks, not customers. Make sure you track real calls, booked appointments, completed forms and sales.
- Ignoring lead quality. Ani notes in Search Engine Land that form-based lead generation can attract spam. Ideally, feed real lead outcomes back into Google through offline conversion imports so the AI learns which leads turn into paying customers.
- Making changes too fast. Panicking and changing settings every day prevents the campaign from ever learning. Follow Google’s two-week guidance, then review weekly.
- Never reading the ads. AI-written headlines appear under your business name. You are responsible for what they say.
- Weak landing pages. AI Max can only send people to the pages you have. A slow, vague website will waste even the smartest targeting.
- Forgetting the DSA deadline. If you use Dynamic Search Ads, plan your move before the February 2027 auto-upgrade instead of letting it happen to you.
Your AI Max Action Plan for the Next 30 Days
- Week 1: Audit. Check every Search campaign for AI Max, note which features are on and when they switched, and export your August baseline.
- Week 2: Clean up. Review the search terms report filtered by AI Max, add negative keywords, and remove any AI-written ad text that is wrong or off-brand.
- Week 3: Guardrails. Set URL exclusions, brand exclusions and locations of interest. Make sure conversion tracking counts only real leads and sales.
- Week 4: Decide. Compare October with August and last year. Keep, narrow, or switch off features based on cost per real customer, or start a proper experiment.
After the first month, a 15-minute weekly check of search terms and AI-written ads is usually enough to keep things on track.
FAQ: Google Ads AI Max for Small Business
Did Google turn on AI Max in my account without asking?
Possibly. Starting in September 2026, Google automatically upgraded Search campaigns that used automatically created assets or the campaign-level broad match setting. Google said it would show account notifications first. Check each campaign’s settings to confirm.
Can I turn AI Max off?
Yes, at the feature level. According to Google’s help centre, search term matching can be turned off in ad group settings, and text customization and final URL expansion can each be turned off in campaign settings.
Is AI Max replacing Dynamic Search Ads?
Yes. Google is upgrading Dynamic Search Ads to AI Max. After a June 2026 delay, the automatic DSA upgrade is scheduled to begin in February 2027, with existing URL controls carried over.
Will AI Max increase my ad spend?
AI Max works within your campaign budget, so it doesn’t raise your budget on its own. What can change is how that budget is spent, because your ads may appear on new searches. That is why weekly search term reviews and negative keywords matter.
Is AI Max good for a small local business?
It can be, if you have reliable conversion tracking, enough conversion volume for the AI to learn from, and strong landing pages. Newer or very small accounts may do better building a solid keyword-based foundation first and testing AI Max later with an experiment.
How is AI Max different from Performance Max?
Performance Max is a separate campaign type that runs across many Google channels. AI Max is a set of features inside your Search campaigns. Ani also points out in Search Engine Land that AI Max lets you exclude Search Partners and Display, which gives you more control than Performance Max.
Get a Second Pair of Eyes on Your Google Ads
AI is changing how Google Ads works, and how people find businesses online in general. If you want to go further, read our guide on how to get your small business recommended by ChatGPT and Google AI.
At YAS Media, we help small businesses in Richmond Hill, Aurora, Newmarket, Bradford and across Toronto get more customers from Google, without wasting budget on clicks that never convert. We can audit your account, check your AI Max settings, clean up your search terms and make sure your landing pages are ready to turn visitors into customers. See our full range of digital marketing services, or book your free consultation and we will walk through your account with you.
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