How Much Should a Family Law Firm Spend on Marketing?

Ask ten people how much your firm should spend on marketing and you will get ten answers, most of them a percentage someone read once and repeated. Spend 10%. No, 5. An agency hands you the number that matches its retainer; a conference speaker hands you the one that sounds bold from a stage.

Sizing ad budgets for family law firms is most of what I do all day, so instead of a percentage to memorize, I will show you the actual math. The right budget is not a number you borrow. You calculate it from what a signed case is worth to you and what it costs to win one.

Here is that calculation, laid out plainly: where the percentage-of-revenue rule comes from and where it breaks, what a signed divorce case costs to acquire by channel, the monthly floor below which a paid campaign starves, and the difference between a budget built to grow and one built to hold. By the end you will find your own number instead of arguing about someone else’s.

The percentage-of-revenue starting point

Start with a percentage of revenue, not because it is the answer, but because it tells you fast whether your current spend sits in the normal range.

The broad benchmark runs higher than most firm owners expect. In 2018, the U.S. Small Business Administration reported the average company spent 7.9% of revenue on marketing, with B2B services companies at 6.9%. Law sits closer to that services number than to a product company, and Clio’s data puts it in a defensible band: law firms allocate 2 to 10% of revenue to marketing.

That 2-to-10 range is wide on purpose, because a percentage answers the wrong question: it tells you what is typical, not what works for your firm at your stage. A firm doing $800,000 a year at 7% spends about $4,600 a month. A firm doing $3 million at the same 7% spends $17,500 a month and competes in a different weight class. Same percentage, unrelated situations.

Use the percentage as a sanity check, then set it aside. Spending 1% of revenue, you are almost certainly starving your growth. Spending 20% with a full pipeline and no growth plan, you are overpaying for cases you would have won anyway. The band tells you whether you are in the room, not where to stand. Cost per signed case tells you that, and getting there means you measure what the spend actually returns.

Cost per signed case, by channel

Cost per signed case should run your budget, and almost no one calculates it. Cost per lead is what vendors quote you; cost per signed case is what you actually pay to put a retained client on the books, and it is the only figure that ties marketing spend to revenue.

Get there by walking the funnel honestly. A raw lead is anyone who raises a hand: a form fill, a phone call, a chat message. Not every lead books a consultation; plenty go quiet, hire the first firm that called back, or were never serious. Not every consultation retains; some cannot afford you, some are shopping. So the number that matters is the whole trip, raw lead to signed case, and for a cold prospect who found you through a paid channel in a contested matter, that trip completes about 5 to 8% of the time.

Sit with that range; it is the hinge of everything below. Out of 100 cold paid leads, roughly 5 to 8 become clients. The rate runs higher when the lead is exclusively yours, higher still for referrals who arrive already sold on you, and lower when your intake is slow or your leads are shared with competing firms. If your own number falls below 5%, the problem is usually intake, not traffic.

Now put a price on it. Family law paid search is not cheap: LocaliQ’s legal advertising benchmarks put the average family law cost per click at $7.69 and the average cost per lead at $103.54. Call it roughly $104 for one raw lead from Google Ads. Divide that by your close rate to get cost per signed case:

• At an 8% close rate: $104 divided by 0.08 is about $1,300 per signed case.
• At a 5% close rate: $104 divided by 0.05 is about $2,080 per signed case.

So a paid-search client costs a well-run family law firm somewhere between $1,300 and $2,100 to acquire. Set that against case value. Clio pegs the average divorce at $15,000 to $20,000, which makes your acquisition cost roughly 7 to 14% of case value. That is a healthy channel, and it is why paid search works for family law when it is run properly.

Notice what moves the number most: your close rate, not your cost per lead, which makes your intake the biggest lever you have. A firm that answers every call live and follows up in minutes might sit at 8%. A firm that lets leads roll to voicemail slides to 3%, where the same $104 lead now costs about $3,400 per signed case, more than double, on identical ad spend. You do not fix that by buying more leads; you fix it by converting the ones you already pay for.

Channel changes the inputs, but the formula holds: cost per lead divided by your real close rate equals cost per signed case. Exclusive leads convert better than shared ones, the whole reason buying shared vendor leads usually costs more per client than the sticker price suggests. Google’s Local Services Ads bill per lead but keep the lead exclusively yours, so they tend to pencil out better than a shared vendor lead at the same price. Run the formula for each channel with your own close rate and you stop guessing which one deserves the next dollar.

The spending floor: why underfunded campaigns fail slowly

Below roughly $2,000 to $3,000 a month, a family law paid-search campaign does not fail loudly. It starves quietly, for months, until you conclude that Google Ads does not work.

The reason is volume. At a $7.69 cost per click, $2,000 a month buys around 260 clicks, which at a normal lead rate is a handful of leads a week and a few signed cases a month. Drop below that and two things break at once: Google’s bidding algorithm never gathers enough conversion data to optimize, so it keeps spending on the wrong searches, and you never see enough leads to tell which keywords, ads, and landing pages convert. You cannot improve what you cannot measure.

This is why an underfunded campaign is more dangerous than no campaign. It does not crash; it limps along producing the occasional case, burning $1,200 a month for a year, while the firm slowly decides paid search is a scam. The channel never got enough fuel to reach the speed where it works. I have taken over accounts written off as failures at $1,500 a month and made them profitable at $3,000, not by being clever, but by funding them past the point where the data becomes usable.

The honest version: if you cannot commit $2,000 to $3,000 a month to paid search for at least three to four months, do not start it. Put that money into Google Ads once you can fund it properly, or into channels that produce at lower spend, like content that keeps ranking after you publish or exclusive Local Services Ads. Half-funding paid search is worse than skipping it, because you pay the full tuition and never graduate.

Growth mode vs. maintenance mode budgets

Your budget should answer one question before it sets a number: are you filling an empty pipeline or defending a full one? Those are different jobs, and they call for different money spent in different places.

Maintenance mode is a firm with a full caseload replacing cases as they close. You sit at the lower end of the range, around 5 to 7% of revenue, weighted toward channels that compound: organic search, a steady stream of reviews, referral relationships, and a modest paid floor to catch high-intent searches. You are holding a position rather than buying growth, and it mostly holds itself once the assets are built.

Growth mode is wanting more cases, another attorney, or a bigger share of your market. That costs more, often 10 to 15% of revenue or higher, and it leans harder on paid channels, because paid buys demand today while organic is still building. A brand-new firm is the extreme case: it may run 15 to 20% or more for a year, buying cases and building assets from a standing start at once. That is investment, not overhead, as long as it comes back down once the pipeline fills.

The expensive mistake is a mismatch: running a maintenance budget while expecting growth results, or a growth budget with no plan to ever reduce it. Underneath sits a second trap: a firm can hit its growth numbers entirely on paid spend and feel successful, right up until the month it pauses the budget and every case disappears with it. My audit of 351 family law firms is full of firms doing exactly this, renting all their visibility with no owned foundation underneath. Growth spend earns its keep when it buys time to build organic authority that keeps producing after the ads stop; it is a treadmill when it is the only thing holding you up.

Where firms overspend without noticing

Most firms that waste money are not spending too little, or even too much in total. They are misspending, and the leak almost never shows up on the ad invoice.

The most common leak is paying for leads the firm then drops. Ruler Analytics found that 56.3% of legal conversions happen over the phone, the highest call share of any industry it measured. If your ads work but half your leads reach a phone that goes to voicemail, you pay full price for demand and convert a fraction of it. The ad account looks healthy, the revenue does not follow, and nothing on the dashboard tells you why.

The second leak is renting all your visibility. Across the firms in my benchmark, family law spends more than $2.4 million a month on Google Ads, much of it buying a position that vanishes the day the budget pauses. Paid search is legitimate, but a firm with no organic foundation underneath pays for the same visibility every month forever, and never builds the asset that would let it stop.

The third leak is judging channels by cost per lead instead of cost per signed case. A cheap-lead source converting at 2% is more expensive per client than a pricier source converting at 8%, the exact trap that makes shared vendor leads look like a bargain until you count the cases they actually produce. The number on the invoice is not the number that matters.

The fourth leak is the one I see most in raw ad accounts: budget bleeding onto searches that will never hire you. Without tight negative keywords, a family law campaign pays for people searching free legal aid, DIY divorce forms, court self-help, and law firm jobs. Those clicks cost $7.69 each and sign zero clients. Cleaning them up is the fastest money most firms leave on the table.

The fix for all four is the same discipline: track cost per signed case by source, cut what does not pay, and move that money to what does. That is the whole job of measuring your marketing ROI, and it is why the firms that spend the least per case are usually the ones watching that single number most closely.

Putting your own number together

Build the budget from the bottom up, not from a percentage someone quoted you. Check that your total spend sits in the 2 to 10% of revenue band, so you know you are in the room. Set your real target off cost per signed case, your channel’s cost per lead divided by your honest close rate, measured against the $15,000 to $20,000 a signed divorce is worth. Fund paid search past the $2,000 to $3,000 floor or leave it alone. Match your percentage to the job: lower to hold, higher to grow, highest for a season building from zero.

Do that and the budget question stops being opinion. It becomes arithmetic you can defend to a partner, adjust when your close rate improves, and check every quarter against what actually got signed.

If you want a second set of eyes on your numbers, I run a paid strategy session where we work through your cost per signed case together and find where your next marketing dollar earns the most. Bring your close rate and your current spend, and we will find the leak.

Common questions about family law marketing budgets

What percentage of revenue should a law firm spend on marketing?

Industry data puts the range at 2 to 10% of revenue, with the broader services average near 7%. For a family law firm, a full pipeline in maintenance mode usually sits at 5 to 7%, an active growth push runs 10% or more, and a brand-new firm may spend 15 to 20% for a year while it builds an owned pipeline from nothing. Treat the percentage as a sanity check, then set your actual budget off cost per signed case.

How much does it cost to get a family law client through Google Ads?

Using LocaliQ’s benchmark cost per lead of about $104 and a raw-lead-to-signed close rate of 5 to 8%, a paid-search client costs a family law firm roughly $1,300 to $2,080 to acquire. Against an average divorce worth $15,000 to $20,000, that is about 7 to 14% of case value. Your own figure depends heavily on how fast and how well your intake converts the leads you pay for.

What is the minimum budget for a family law Google Ads campaign?

Plan on at least $2,000 to $3,000 a month, sustained for three to four months. Below that, the campaign never gathers enough conversion data for Google’s bidding to optimize, and you never see enough leads to tell what is working. A campaign funded under the floor tends to underperform quietly rather than fail outright, which is why so many firms wrongly conclude that paid search does not work for them.

Should a family law firm with a limited budget spend on Google Ads or SEO?

It depends on your timeline. Paid search produces cases within weeks but stops the moment you stop paying, while SEO and content take months to build and then keep producing after the spend ends. A new firm that needs cases now often bridges with paid search while building organic authority underneath, then shifts the mix toward the channel it owns as it matures. Funding both poorly is worse than funding one properly.

How do I know if I am overspending on marketing?

Judge the spend by cost per signed case, not by cost per lead or by how busy the ad dashboard looks. If a channel’s cost per signed case is climbing toward the value of the case itself, or if you are paying for leads your intake never converts, you are overspending regardless of what percentage of revenue the total represents. The firms that spend the least per case are the ones tracking that number by source and cutting whatever stops paying.