Your practice should own its Google Ads account directly, in its own billing and its own name, with the agency working inside it through a manager-account link the practice can revoke. When an agency owns the account instead, the conversion history, the audience data, and sometimes the account itself stay with the agency if the relationship ends, and the practice starts over from zero. Ask the ownership question before signing, and get the answer in writing.
Most practice owners have never asked it, because nothing in the onboarding process surfaces it. The agency says "we'll handle the setup," the ads go live, the invoices arrive, and the question of whose name is on the asset never comes up until the day it matters most, which is the day the relationship ends.
An ad account is an asset, not a login
It is easy to think of a Google Ads account as a place where campaigns live, like a folder. That framing is wrong in a way that costs real money. A mature ad account is an accumulating asset with at least four layers of value that exist nowhere else.
Conversion history. Google's bidding systems learn from the conversion data the account has recorded: which searches, which times, which geographies, which devices eventually produced the outcomes you told it to value. That learning is not exportable. You cannot download it, and you cannot upload it into a new account. It exists only as the accumulated state of the account that recorded it. An account that has spent years learning what a booked consultation looks like in your market is materially better at buying the next one than a fresh account with identical campaigns, because the fresh account is guessing where the old one knows.
Audience and first-party data assets. Remarketing lists, customer match uploads where they are permitted, and the audience segments built from your site traffic and your data all live inside the account or the linked accounts. So do the negative keyword lists refined over years of your own search term data, which for an elective practice is a map of exactly which searches in your market waste money.
The performance record itself. Every experiment your budget ever paid for, every ad variant that won or lost, every seasonal pattern across years is queryable history inside the account. That record is the difference between a new campaign built on evidence and a new campaign built on someone's recollection.
Platform trust. Accounts build a track record with the platform over time: billing history, policy standing, verification status. In medical categories, where advertising policy is strict and certifications matter, a long-standing account in good standing is meaningfully harder to replace than it looks. This is one reason medical ad compliance is not a paperwork chore but an asset-protection discipline: the account's clean history is part of what you own.
All four layers were paid for by the practice's budget. The only question is whether the practice holds title to what its money built.
What actually disappears when an agency-owned relationship ends
Consider the ending, because every agency relationship eventually has one, even the good ones. Practices sell, owners retire, strategies change. What happens next depends entirely on the ownership structure that was set up on day one.
When the account belongs to the agency, the practice's exit looks like this. The campaigns can be exported as structure, keywords, ads, and settings, and rebuilt elsewhere. That is the least valuable layer. The conversion history does not move; Google provides no mechanism to transfer an account's learning into another account. The audience lists and the accumulated search term intelligence stay behind. The new account starts in a learning period, spending real money to rediscover what the old account already knew. And in the worst version, where the account was created under the agency's own manager structure with agency billing, the practice may have no access rights to the account at all, only to reports about it. Some practices discover at exit that they cannot even see the history of their own spend.
None of this requires bad faith. An agency can be entirely professional about handover and the structural loss is the same, because the loss is baked into whose name is on the asset, not into anyone's behavior at the end. That is exactly why the question has to be settled at signing, when everyone is friendly, rather than at exit, when leverage has replaced goodwill.
The valuation angle owners planning an exit should not skip
If you intend to sell your practice one day, ownership of the marketing infrastructure moves from good hygiene to balance-sheet relevance.
A buyer evaluating an elective practice is buying future patient flow, and a documented, practice-owned patient acquisition system is evidence that the flow survives the founder. An ad account with years of conversion history, in the practice's name, transferable with the entity, is part of that system. So is the CRM full of attributed inquiry history, and so is the analytics property. Together they let a buyer verify the acquisition economics instead of taking them on faith, which is the same measurement discipline that makes the marketing work in the first place.
Now run the same diligence against a practice whose acquisition runs through an agency-owned account. The seller is asking the buyer to value patient flow that depends on a third party's asset and a third party's continued cooperation, terminable on notice. Any competent buyer discounts that. The discount lands on the seller, years after the setup decision that caused it, made by someone who was just trying to get ads live quickly.
The fix costs nothing at signing. It is a line in the agreement: all advertising accounts, analytics properties, and data assets are created in and owned by the practice.
The exact access structure to require
This is the standard, and it is not exotic. It is how the platform itself is designed to be used by agencies. There are three components.
1. The account lives in the practice's name. The practice creates the Google Ads account, or has it created directly under its own email domain and its own billing profile. Payment method is the practice's card or invoicing arrangement. The account ID belongs to the practice the way the domain name does.
2. The agency connects through its own manager account. Google Ads has a purpose-built structure for this: the agency operates a manager account (the platform's own agency-facing account type) and requests a link to the practice's account. Once accepted, the agency's team works inside the practice's account with full operational capability: building campaigns, adjusting bids, managing budgets, running experiments. Nothing about client ownership limits the quality of the work. This is the arrangement where both sides hold exactly the rights they should.
3. The practice retains admin access it can revoke. At least one credential held by the practice, ideally the owner's, keeps administrative rights on the account at all times. Revoking the agency is then a settings change the practice can make unilaterally, in minutes, without asking permission of the party being removed. If ending the relationship requires the agency's cooperation to execute, the practice does not have control, whatever the contract says.
The same pattern applies across the stack: the analytics property, the tag container, the business profile, the social ad accounts, the CRM. Practice-owned, agency-linked, practice-revocable. When we take on paid search for a practice, this structure is a requirement of ours, not a concession, because an agency confident in its work has no use for structural lock-in. Retention should be earned by results every month, not engineered into account architecture.
The questions to ask before signing
Put these to any agency you are evaluating, ours included, and expect direct answers.
- Who creates the ad account, and whose name and billing are on it?
- Do you link through your manager account, or do you require credentials or account creation under your structure?
- Does the practice keep admin access for the life of the engagement?
- If we part ways, describe the handover. What do we keep, and what actions do you need to take for us to keep it?
- Is all of the above in the written agreement?
An agency that hesitates on these has told you something useful before a dollar is spent. An agency that answers them cleanly has told you something too.
If you already have campaigns running and do not know the answers for your own accounts, that is worth finding out this week rather than at exit. A Growth Audit includes exactly this check: whose name is on each asset, what history lives where, and what your practice would actually walk away with today.
See where your own growth leaks.
The free Practice Growth Audit traces your demand, your follow-through and your measurement, and hands you the gaps in writing. Built by hand, yours to keep.