How to Choose a Google Ads Agency: Questions and Red Flags

Choose a Google Ads agency by checking five things: who owns the ad account, how fees are charged, what the contract locks you into, how results are reported, and who actually manages the campaigns. A good agency answers all five clearly before you sign and can show work for businesses like yours.

If you are working out how to choose a Google Ads agency for the first time, or replacing one that let you down, this guide gives you the warning signs first, then the questions to ask, then a hiring checklist to take into the sales call.

What Does a Google Ads Agency Actually Do?

A Google Ads agency plans, builds and manages your paid campaigns on Google: Search, Shopping, Performance Max, YouTube and Display. The work that decides results is mostly unglamorous: tracking, search terms, landing pages and budget control.

In a healthy engagement, Google Ads management covers:

• Conversion tracking. Calls, forms, bookings and purchases are counted once, correctly, and tied back to the keyword or product that drove them.
• Account structure. Campaigns are split by service, product line or location so budget goes where the margin is.
• Search term control. Someone reads what people actually typed and blocks the searches that will never buy.
• Ads and landing pages. The ad promise matches the page, and the page makes the next step obvious.
• Bidding and budget. Bid strategies are set against a real target, such as cost per lead or return on ad spend.
• Reporting. You see what was spent, what came back, and what changes next month.

What it looks like depends on the business. A plumber or HVAC company needs call tracking and tight service-area targeting. An ecommerce store needs a clean product feed in Merchant Center and purchase values passed back to Google. A B2B firm needs to know which leads became qualified opportunities, not just how many forms were filled. A clinic or salon needs bookings tracked inside its scheduling tool. When you talk to an agency, listen for whether they describe your version of the work or a generic one.

If you are still deciding whether you need an agency at all, read Google Ads Freelancer vs Agency: Which Should You Hire? first.

What Are the Red Flags of a Bad Google Ads Agency?

The red flags are promises nobody can keep, an account you cannot see into, and terms that make leaving expensive. Any one of these is reason to slow down. Two or more is reason to walk away.

• Guaranteed results. “Number one on Google” or a guaranteed number of leads. Google Ads is an auction. Nobody controls the outcome, and an honest agency says so.
• They own the account. The account is created under the agency’s login and you get a dashboard or a PDF instead of access.
• Long lock-in. A 6 or 12-month minimum with a penalty for leaving, before they have shown you any work.
• Reports about activity, not outcomes. Impressions, clicks and click-through rate, with no leads, sales or cost per result.
• No talk of tracking. If the pitch never mentions how conversions are measured, the results they report later will be hard to trust.
• Vague fees. You cannot tell how much of your monthly payment is ad spend and how much is the agency’s fee.
• Bait and switch. A senior strategist runs the sales call, then the account is handed to someone you never meet.
• No access to search terms or change history. These show what your money bought and what work was done. Hiding them usually means there is little to show.
• Pressure to raise budget early. A push to spend more before the current spend is producing tracked results.
• One plan for every client. The same campaign setup pitched to a roofer, an online store and a software company.

Who Should Own the Ad Account and the Data?

You should. The Google Ads account, its billing, its conversion history and every connected tool should belong to your business, with the agency given access to work in them.

This matters because the account holds years of learning: which keywords convert, which searches waste money, what your real cost per lead is. If the agency owns the account, that history leaves with them.

Agencies work through a Google Ads manager account, which links to client accounts. That is normal and safe when it is set up the right way. According to Google Ads Help, as of October 2026, a client account still owns its data, and only users with Admin access can unlink a manager account. So the safe setup is simple: the account is yours, you are an Admin, and the agency’s manager account is linked to it.

The risky setup is the reverse. One business owner on Reddit described spending six figures on ads and still being unable to remove a manager who could shut the whole campaign down. That happens when the agency creates the account inside its own manager account, takes ownership, and the client never holds Admin access. A manager with ownership can add and remove users on the client account. A client without Admin access cannot unlink it.

Before you sign, and again in the first week, check these in order:

1. Open the Access and security page in your Google Ads account and confirm your own login is listed as Admin. Add a second Admin from your business as a backup.
2. On the Managers tab, confirm the agency’s manager account is linked, and ask in writing whether it has ownership and why.
3. Check the billing settings. The payments profile should carry your business name and your payment method, so ad spend is charged to you directly by Google.
4. Ask for a written line in the agreement stating that the account, campaigns, conversion data and audiences stay with you if the contract ends.

Ownership goes beyond the ad account. Use this table as a quick audit.

If your conversion setup is the weak point, that is a separate job from running ads. Our Tracking & Analytics team handles it, and Google Ads Conversion Tracking Not Working: How to Fix It covers the common faults.

What Questions Should You Ask Before Hiring a Google Ads Agency?

Ask questions that have a checkable answer: who owns what, who does the work, what is measured, and what happens when you leave. Skip questions any agency can answer with a slogan.

Two follow-ups are worth the extra minute. Ask to see a sample report with client details removed. Then ask what they would check first in your account. An agency that has looked at your site and your market will have a specific answer.

Hiring for social ads at the same time? The same logic applies, with different details: see How to Choose a Facebook Ads Agency: What to Check.

How Do Agencies Charge, and What Is Fair?

Most agencies charge a flat monthly fee, a percentage of your ad spend, or a fee tied to performance. A fair fee is one you can explain in a sentence, that is separate from your ad spend, and that does not reward the agency for spending more of your money.

Whichever model you are offered, get four things in writing: what the fee includes, whether there is a setup fee, whether landing pages and tracking are extra, and whether ad spend is billed to you by Google or passed through the agency. Spend that runs through the agency’s invoice is hard to verify.

JuvioX charges a flat monthly management fee, month-to-month, with no lock-in. We think that is the model easiest for an owner to budget for, but any of the four can be fair when the scope is clear. For a full comparison, read Google Ads Management Fees: Flat Fee vs Percentage of Spend.

How Do You Know in the First 90 Days Whether the Agency Is Working?

In the first 90 days, look for a clean foundation and a clear direction before you look for big numbers. An agency is working when tracking is trustworthy, wasted spend is falling, and you understand each month what changed and why.

How you confirm it depends on your business:

• Local services. Compare tracked calls and forms against your job log. Are the calls from your service area and for work you do?
• Ecommerce. Compare the revenue Google Ads reports against your store’s own order data for the same dates.
• B2B. Look at how many leads sales accepted, not how many forms came in.
• Appointment-based businesses. Count confirmed bookings and how many showed up.

Also open the change history in your account now and then. It lists what was changed and when. A managed account shows steady, deliberate activity. Long silent stretches tell you the account is on autopilot. If you want a structured way to review an account yourself, use the Google Ads Audit Checklist.

Google Ads Agency Hiring Checklist

Print this and take it into the sales call. A good agency will be able to tick every line before you sign.

• The Google Ads account is in my business’s name and I am an Admin.
• Google bills my payment method directly for ad spend.
• The agreement says the account, data and creative stay with me if we part ways.
• I know the fee, how it is calculated and what it covers.
• I know about any setup fee and any extra costs for landing pages or tracking.
• I can cancel with a stated notice period and no penalty.
• I have met the person who will manage my account.
• They explained how calls, forms, bookings or purchases will be tracked.
• I have seen a sample report, and it shows leads or sales and cost per result.
• They showed work for a business with a similar model and budget.
• They told me what the first 30 days will include.
• They made no guarantees about rankings or results.

Want a second opinion on your current account or on an agency’s proposal? Our Google Ads team will review it and tell you plainly what we would change.