Short answer: a law firm PPC agency is worth hiring when it will run ads inside an account your firm owns, send clicks to pages built for one case type, track every call, and report cost per signed case rather than clicks. Choose on structure before talent: who owns the assets, how the fee is set, what you see each month, and how easily you can leave.
This guide is for the firm owner who has decided paid search belongs in the plan and now has to pick who runs it. It is about the hiring decision, not campaign setup, and about what separates a careful ppc agency for lawyers from a seller of dashboards.
Four kinds of operator, four different bets
There are four realistic options, and each one fails in a predictable way.
An in-house hire. A full-time paid media person makes sense when the firm spends heavily across several practice areas and markets, because the hire learns your intake team, your case values and your partners’ preferences in a way no outside vendor will. The weakness is isolation. One person sees one account, and when they leave, the knowledge leaves with them.
A freelancer. A skilled independent operator can be the best value in the market for a firm running one or two campaigns. The risk is continuity: illness or a bigger client can leave the account untouched for weeks.
A legal specialist agency. A shop that only manages ads for attorneys knows the vocabulary of intake, the difference between a case and a lead, and the auction behavior in injury, defense and family keywords. It also tends to run a fixed playbook. That helps when it fits your practice and hurts when a boutique estate planning firm is run on a structure built for car accident volume.
A generalist agency. A firm that manages ads for dentists, roofers and software companies may have sharper technical staff and better tooling. It usually lacks legal context: it may not know why a “free consultation” call from someone who wants a lawyer for a different state is worthless, or why some ad claims create ethics exposure.
If you are weighing a broader marketing partner that also handles content, reviews and the website, our guide to choosing a law firm marketing agency covers that larger decision. Everything below assumes you want someone focused on paid search.
How a law firm PPC agency charges, and what each model rewards
Every fee model pushes the person running your money in some direction.
Percentage of ad spend. The management fee rises when your budget rises. The quiet pressure is toward recommending more spend, with no built-in reward for cutting waste. If you pick this model, ask how often the agency has told a client to spend less.
Flat monthly fee. A fixed retainer separates the agency’s income from your budget, which removes the push toward spending. The risk runs the other way: once the fee is set, every extra hour of work eats the agency’s margin, so attention can drift to newer clients.
Hybrid. A base fee plus a smaller percentage above a spend threshold is common, and it is a reasonable compromise. Make sure the percentage applies only to media cost.
Performance pricing. Paying per lead, per call or per signed case sounds like perfect alignment. In legal it is the model that needs the most care, partly for ethics reasons covered below and partly because the agency will define what counts. Paid per lead, it is rewarded for volume, not quality, and your intake team absorbs the cost.
Specific numbers depend on market, practice and scope, so we will not quote any. What matters is that the proposal shows the management fee and the media budget as separate lines, that media is billed by Google directly to your card, and that you can see the gap between what you pay and what Google charges.
Ownership: the account, the pages and the phone numbers
Three assets decide whether you can ever leave cleanly, and the firm should hold all three in its own name from day one.
The first is the Google Ads account. Your firm creates it with a firm email address and its own billing, then grants the agency access, usually by linking it to the agency’s manager account. The history and conversion data then stay with you, whoever runs the ads.
The second is the landing pages. Some agencies build pages on their own hosted platform, on a subdomain or a separate domain they control. You are renting them. When the contract ends, the URLs go dark. Ask for pages built on your own site, or at minimum a written commitment to hand over the files and domain. Our guide to the law firm landing page explains what those pages need to contain.
The third is the call-tracking numbers. If the agency owns the CallRail or similar account, it can switch those numbers off or keep them after you leave. Open the tracking account in the firm’s name and add the agency as a user.
What the first 30, 60 and 90 days should look like
A good agency spends the first month mostly listening and measuring. Expect an interview with whoever answers your phones, a list of case types you want and refuse, and a tracking audit. Before a single ad runs, calls, forms and chats should be recorded as conversions, and there should be a plan to tell Google which of those became signed clients.
The second month is a narrow launch. Picture a three-lawyer criminal defense firm in a mid-size county. A sensible agency starts with tight keyword themes around the charges the firm takes most, an aggressive negative list, ad schedules that match when someone can actually pick up the phone, and one dedicated page per theme. It reads the search terms report weekly and listens to a sample of recorded calls.
The third month is about feedback. By now the firm has signed or turned away enough callers to say which campaigns produce real matters. The agency should be importing those outcomes into Google Ads, moving budget toward what signs and away from what only rings. If month three looks identical to month one, nothing is being learned.
Reports that tell you something versus reports that fill a page
The monthly report is where weak lawyer PPC management hides. Impressions, click-through rate, impression share and “total conversions” look busy but can rise while the firm signs fewer clients. A form fill from a solicitor, a call lasting eight seconds and a job applicant all count as conversions if nobody filters them.
The numbers worth your time are cost per qualified call (a call long enough and relevant enough that intake would want it), cost per consultation booked, and cost per signed case. The last one requires a loop: intake marks which callers became clients, and that outcome is sent back to Google Ads through offline conversion import, so the bidding system learns from signed matters rather than from rings. Without that loop, Google optimizes for whatever is easiest to produce, which is rarely your best case. Our article on law firm website conversion tracking covers the plumbing on the website side.
Ask also for the search terms report itself, not a summary of it. Twenty minutes of real queries tells you whether the account is careful.
Exclusivity, competing clients and your market
If an agency runs Google Ads for two injury firms in the same metro, both firms bid in the same auction, managed by the same team. That is not automatically wrongdoing, but it is a real conflict. Ask directly whether the agency manages any firm in your practice area within your service radius, and whether it will commit in writing not to take one on during your contract. Either answer can be fine as long as it is clear before you sign.
Where the bar rules touch the agency relationship
The ad copy itself has to satisfy ABA Model Rule 7.1, which bars false or misleading communications about a lawyer’s services, and your state’s version may add disclaimer or labeling requirements. Two less obvious rules govern the agency relationship itself.
Rule 5.3 makes lawyers responsible for reasonable supervision of nonlawyers who work for them, and that reaches outside vendors. In practice, someone at the firm should approve ad copy and landing page claims before they go live, and the firm should know what the agency is saying in its name. “The agency wrote it” is not a defense if an ad promises outcomes.
Rule 7.2(b) generally prohibits giving anything of value to a person for recommending the lawyer’s services, with an exception for the reasonable cost of advertising. Paying an agency a fee to manage ads sits comfortably inside that exception. Paying per lead, and especially paying per signed case or a share of fees, moves toward the line, and fee sharing with nonlawyers raises separate issues under Rule 5.4. States have treated these arrangements differently, so check your own jurisdiction before agreeing to any performance-based model. Our state-by-state advertising rules hub is a starting point. This is not legal advice; check your state bar’s rules.
Warning signs during the sales process
Some patterns should end the conversation. Refusing to give you administrator access to your own account, or offering only a read-only dashboard, is the clearest one. Long lock-in contracts with no exit for poor performance come next; a confident operator can live with a short initial term and a notice period. Broad match on everything, with no negative keyword plan, is a sign of someone who has not run a legal account carefully, and our list of Google Ads mistakes law firms make shows how expensive that gets.
Watch also for traffic routed to pages the agency hosts and you cannot edit, guaranteed lead counts before anyone has seen your intake data, refusal to share call recordings, and reports that never mention signed cases.
An interview script you can run in 30 minutes
Open by asking the agency to describe the last legal account it took over from someone else and what it changed first. Good operators talk about tracking and search terms before creative. Then ask them to walk you through the account structure they would build for your top case type, out loud, without slides. Listen for questions about your intake hours and case criteria before budget.
Next, ask how they would know in month three that a campaign is producing clients and not just calls. The answer should involve your intake data and offline import. Finally, ask for a redacted sample report and who will actually log into your account each week. The table below condenses what to listen for.
| Question to ask | Good answer | Red flag |
|---|---|---|
| Who creates and owns the Google Ads account? | Your firm creates it and pays Google directly; the agency gets manager access | The agency runs ads in its own account and “can export data later” |
| How do you define a conversion? | Qualified calls and forms, filtered by duration and relevance, plus signed cases imported from intake | Every click to call and every form submission |
| Where will ad traffic land? | Pages on your own domain, one per case type, that you can edit | Pages on the agency’s platform that disappear when you leave |
| Who owns the call-tracking numbers? | An account in the firm’s name with the agency as a user | Numbers held by the agency or its software reseller |
| Do you work for competing firms near us? | A clear yes or no, with a written exclusivity term if offered | Vague reassurance or “we have firewalls” |
| What does the contract allow if results are poor? | Short initial term, then month to month with notice | A long lock-in with early termination fees |
| Who reviews our ad copy for bar compliance? | The agency drafts, the firm approves before launch | “We handle all of that, you do not need to see it” |
The “best ppc agency for law firms and attorneys” is not a fixed name on a ranking list. It is the operator whose answers to these questions match your firm’s size, practice and market, and who still answers them the same way once the contract is signed.
When to hold off on hiring anyone
Paid search magnifies whatever happens after the click. If calls go to voicemail at lunchtime, if the website is slow on a phone, or if nobody records which callers sign, no agency can fix that with bids. Fix the answering, the pages and the tracking first, then hire.
This article covers one piece of the picture. The decisions every firm faces are in our guide to law firm marketing strategies.
Frequently asked questions
Should a law firm use a specialist legal PPC agency or a general one?
A specialist usually understands intake, case value and legal ethics limits faster. A generalist may have stronger technical staff. Either can work if the firm owns the account and the reporting is built around signed cases rather than clicks.
Is it ethical to pay a PPC company per lead or per signed case?
Paying a fee for ad management fits within the advertising cost exception in Rule 7.2(b). Per-lead and per-case arrangements, and any share of legal fees, raise questions under Rules 7.2 and 5.4, and states treat them differently. Check your state bar’s guidance first.
What should a monthly Google Ads report for a law firm include?
Spend, qualified calls, consultations booked, signed cases and the cost of each, by campaign. It should also show search term findings, negatives added and the changes made that month, with a plan for the next one.
How long should a contract with a law firm PPC company be?
A short initial term to cover setup and learning, followed by month-to-month terms with a notice period, is a fair structure. Long lock-ins protect the agency, not the firm.
What happens to our ads data if we change agencies?
If the firm owns the Google Ads account, nothing is lost: you remove the old agency’s access and add the new one. If the agency owns the account, history and conversion data usually stay behind and the new operator starts from zero.
The short version
Pick a law firm PPC agency on structure first: your account, your pages, your tracking numbers, a fee model whose incentives you understand, a short exit, and reports built on signed cases fed back through offline conversion import. Supervise the ad copy under Rule 5.3, check any per-lead or per-case deal against your state’s version of Rule 7.2, and fix intake before buying clicks. Pricing for site work sits on our website packages page.
Before you hand any agency a budget, run a free website scan and see what a paid click would land on today.
