Google Ads AI Max for Search: A Small Business Guide to the 2026–2027 Switch

If you run Google Ads for your business, you have probably seen a banner, an email, or a recommendation nudging you toward something called AI Max for Search. It is easy to dismiss as another upsell. It isn't. Google is folding several older Search features into AI Max, and some of those changes are already happening to accounts whether owners have opted in or not.

This guide explains what AI Max actually is, what has changed this fall, what is coming in early 2027, and the practical steps a small or mid-sized business should take so the switch helps your budget instead of quietly draining it.

What AI Max for Search Actually Is

AI Max is not a new campaign type. It is a set of features you switch on inside a regular Search campaign. Your keywords, ad groups, bidding strategy, and budget stay where they are. AI Max adds three layers on top:

• Search term matching. Google uses broad match and "keywordless" technology to show your ads on searches it believes are relevant, even if they don't closely match any keyword you entered. It draws on your website, your ads, and your existing keywords to decide.
• Text customization. Google can generate or adjust headlines and descriptions based on your landing pages and assets, tailoring the ad copy to the specific search. This is the evolution of what used to be called automatically created assets.
• Final URL expansion. Instead of always sending clicks to the landing page you chose, Google can send people to a different page on your site that it thinks better matches what they searched for.

Each of those can be useful. Each can also send money in a direction you didn't intend. The difference comes down to how well your account is set up before the AI starts making decisions.

What Changed in 2026, and What's Still Coming

Google laid out a migration plan earlier this year, then adjusted part of it after advertiser feedback. Here is where things stand as of October 2026, based on Google's public announcements:

Already in motion: automatically created assets and campaign-level broad match

Search campaigns that were using automatically created assets or the campaign-level broad match setting are being moved into AI Max on the original schedule, which began in September 2026. If you had either of those switched on, check your campaigns now. Some of the AI Max features may already be active.

Delayed: Dynamic Search Ads

Dynamic Search Ads (DSA) campaigns, the type that builds ads from your website content instead of keywords, got a reprieve. Google pushed the automatic upgrade from September 2026 to February 2027. The current timeline looks like this:

• Now through January 2027: You can still create and edit DSA campaigns, test AI Max side by side, and migrate on your own terms.
• January 2027: Google plans to remove the ability to create new DSA campaigns.
• February 2027: Remaining active DSA campaigns start moving automatically to AI Max or another AI-powered Search setup.

Google has already moved these dates once, so treat them as the current plan, not a guarantee. Watch the notifications inside your Google Ads account. They are the most reliable signal for what will happen to your campaigns.

It isn't just Google

Microsoft Advertising also rolled out its own AI Max for Search in August 2026. If you import your Google campaigns into Microsoft Ads, expect a similar set of decisions there. The concepts in this guide apply to both.

The question isn't whether to use AI in your search ads anymore. It's whether you set the guardrails, or let the defaults set them for you.

Why This Matters More for Small Businesses

Large advertisers have dedicated PPC teams who watch search term reports every day. Most small businesses don't. That is exactly why AI Max can go either way for you.

The upside: AI Max can find searches you never would have thought to target. A plumber who bid on "water heater repair" might start showing up for "no hot water in shower," which is a real customer with a real problem. For businesses without the time to build out hundreds of keywords, that reach is valuable.

The risk: Without guardrails, the same system can match you to searches that look related but never convert. Think job seekers, DIY researchers, people looking for a competitor by name, or customers outside your service area. And if final URL expansion sends someone to your blog or your careers page instead of your quote form, you paid for the click and got nothing back.

The good news is that the controls are there. You just have to use them.

Your AI Max Readiness Checklist

Work through these steps before you switch AI Max on, or right away if your campaigns were already migrated.

1. Fix your conversion tracking first

AI Max learns from what you tell Google counts as a success. If your conversion tracking is broken, outdated, or counts the wrong things, the AI will optimize toward the wrong outcome very efficiently.

• Confirm that form submissions, phone calls, bookings, and purchases are each tracked once, not twice.
• Mark only real business outcomes as primary conversions. A page view or a "time on site" goal is not a lead.
• If you take phone calls, track calls from ads and calls from your website separately, with a sensible minimum call length.
• If you can, import offline conversions (for example, which leads actually became paying customers) so the system learns what a good lead looks like.

If you only do one thing from this list, do this one.

2. Build out your negative keyword lists

Negative keywords still apply in AI Max, and they are your strongest defense against irrelevant matches. Before broadening your reach, add negatives for searches you know you never want:

• Job-related terms: jobs, careers, hiring, salary, internship
• DIY and research terms: how to, tutorial, free, template (if you sell a service, not a guide)
• Services you don't offer: if you're a residential roofer who doesn't do commercial work, say so
• Wrong-fit buyers: cheap, used, wholesale, or anything else that signals a customer you don't serve

Put these in a shared negative keyword list so you can apply them across every campaign at once.

3. Set brand inclusions and exclusions

AI Max includes brand controls at the campaign and ad group level. Use them deliberately:

• Brand exclusions keep your ads off searches for brands you don't want to be associated with. If you don't want to pay for clicks from people looking for a specific competitor or an unrelated company with a similar name, exclude them.
• Brand inclusions do the opposite. If you're an authorized dealer or installer for certain manufacturers, you can tell Google to associate your ads with those brands.
• Keep your own brand traffic in mind too. Many businesses prefer to run branded searches in a separate campaign so they can see how much of their results come from people who already know them versus genuinely new customers.

4. Control where clicks land

Final URL expansion is the setting that surprises small business owners the most. Review it before it runs:

• Add URL exclusions for pages that should never receive paid traffic: blog posts, careers, privacy policy, login pages, old promotions, and thank-you pages.
• If your site has a handful of strong landing pages, consider turning final URL expansion off and keeping full control. You can test it later.
• If you leave it on, make sure every page Google could pick has a clear call to action and a working contact form or phone number.

5. Review your website content, because it is now ad copy

With text customization on, Google pulls from your landing pages to write and adjust ad text. That means outdated pricing, discontinued services, or old promotions on your site can show up in ads.

• Remove or update any pages that mention services you no longer offer.
• Make sure your service areas, hours, and offers are accurate.
• If you're in a regulated industry (healthcare, legal, financial services, home services with licensing rules), review the text customization setting carefully. You may want it off, or you may want to review generated assets closely so nothing goes live that you wouldn't say yourself.

6. Tighten location targeting

Broader matching plus loose location settings is a common way to waste spend. In your campaign settings, check whether you're targeting people in your area or people who are merely interested in it. For most local service businesses, "presence" (people physically in or regularly in your locations) is the safer choice. AI Max also supports location-of-interest controls at the ad group level, which can help multi-location businesses keep their ad groups focused.

How to Test AI Max Without Betting Your Whole Budget

You don't have to flip the switch on everything at once. A measured rollout looks like this:

1. Pick one campaign with steady conversion volume and clean tracking. Don't start with your smallest or newest campaign, because the AI needs data to learn.
2. Use Google's built-in AI Max experiments to run a split test, so part of the traffic uses AI Max and part runs as before. That gives you a fair comparison instead of a before-and-after guess affected by seasonality.
3. Give it time. Plan on several weeks, not several days. Early results can swing while the system learns.
4. Judge it on cost per lead or cost per sale, not on clicks or impressions. More traffic is only good if it turns into business.
5. Expand gradually. If the test holds up, roll AI Max out to your next campaign and repeat.

Timing matters too. If you're heading into your busiest season, such as the holidays for retail or winter for HVAC, you may not want a major change mid-rush. Testing in a steadier period gives you cleaner data and less risk.

What to Watch Every Week Once It's Live

AI Max isn't "set it and forget it." A short weekly review catches most problems early.

The search terms report

This is the single most important habit. Look at the actual searches that triggered your ads. Google labels terms matched through AI Max, so you can see what the expansion is bringing in. Add any irrelevant terms as negatives. Over time, the list of junk searches gets shorter.

Landing pages

Check which URLs are receiving traffic. If a page you didn't expect starts getting clicks and isn't converting, add it to your URL exclusions.

Ad text

Review the headlines and descriptions that text customization generated. Remove anything inaccurate, off-brand, or that makes a promise you can't keep.

Budget pacing and lead quality

If spend jumps but leads don't follow, pull back and investigate before increasing your budget. And talk to whoever answers the phone or the inbox. They'll often notice a drop in lead quality before the numbers do.

If You're Running Dynamic Search Ads Today

If DSA is part of your account, use the extra time Google has given you rather than waiting for February.

• Document what's working. Note which page feeds, targets, and ad groups bring in conversions, so you can recreate that coverage on purpose.
• Pull your DSA search terms history. It shows which queries your site content has been capturing. Turn the best ones into keywords and the worst ones into negatives.
• Test AI Max alongside DSA well before January 2027, so you have real comparison data instead of a forced switch.
• Migrate on your schedule. A planned move lets you set exclusions and controls up front. An automatic migration means sorting it out after the fact.

Should You Turn AI Max On at All?

For many small businesses with solid conversion tracking and clear service offerings, AI Max is worth testing. It can reach customers you would have missed and save hours of keyword research.

It may be worth holding off, or keeping it on a short leash, if:

• Your conversion tracking isn't reliable yet
• Your budget is so small that a few weeks of learning would eat most of it
• You're in a regulated industry where ad wording needs careful review
• Your website content is outdated and you haven't had a chance to clean it up

Either way, the key is making a deliberate decision. Since parts of the migration are happening automatically, "doing nothing" is itself a choice, and usually not the best one.

The Bottom Line

AI Max is quickly becoming the default way Google Search ads work. The businesses that come out ahead won't necessarily be the ones with the biggest budgets. They'll be the ones that gave the AI clean conversion data, clear boundaries, and a website worth sending people to, and then kept an eye on the results.

If you'd like a second set of eyes on your Google Ads account, your conversion tracking, or the landing pages your ads are sending traffic to, the Kodbee team can help you get set up before the next round of changes lands. Get in touch with us and let's talk about what makes sense for your business.