How Much Should a Law Firm Spend on Marketing?

Most law firms should budget between 5 and 12 percent of gross revenue for marketing, with newer firms at the high end and established firms with strong referral flow at the low end. For a firm doing $3M, that is roughly $150,000 to $360,000 a year, or $12,500 to $30,000 a month across spend, vendors, and whoever manages it.

That range is the easy part. The harder question is what the money should be doing, because a firm spending 10 percent with no attribution is worse off than a firm spending 5 percent that can trace every dollar to a signed case.

The Ranges, by Firm Stage

Under $1M: 10 to 12 percent, concentrated. At this stage the mistake is spreading a small budget across five channels. Pick the one or two where your clients actually look, and put tracking on them before you scale anything.

$1M to $5M: 7 to 10 percent. This is where most firms start running paid search alongside organic and begin needing someone to coordinate vendors. It is also where the lack of attribution starts costing real money rather than theoretical money.

$5M to $10M: 6 to 9 percent. Multiple channels, multiple vendors, and usually at least one person inside the firm with marketing in their title. The constraint shifts from budget to coordination.

Over $10M: 5 to 8 percent, but the absolute number is large enough that efficiency matters more than the percentage. A single point of waste at this scale is six figures.

What Counts as Marketing Budget

Firms routinely underestimate their real spend because they only count ad dollars. The honest total includes ad spend, agency and vendor retainers, software (call tracking, CRM, scheduling), content production, sponsorships and events, and the loaded cost of any internal marketing staff.

That last one is where the number moves most. A marketing director at $150,000 fully loaded is $12,500 a month before a dollar of ad spend. If you are counting the ads and not the salary, your real marketing percentage is roughly double what you think it is. The full cost comparison between hiring, agencies, and fractional breaks that math down.

Arizona Changes the Math

Percentage benchmarks assume average acquisition costs, and Arizona is not average. Competitive personal injury terms in Phoenix run $120 to $220 per click, with some reaching $500. Maricopa County alone records roughly 26,550 fatal and injury crashes a year, which is why national advertisers bid here at all.

A firm in a cheaper market can run a credible paid program on $8,000 a month. In Phoenix that same budget buys enough clicks to be statistically meaningless if your intake converts poorly. Either budget to a level where the data is readable, or do not run paid search at all and put the money into organic and your Google Business Profile.

The Number That Actually Matters

Budget percentage is a planning input, not a performance measure. The measure is cost per signed case by channel, compared against your average case value.

A catastrophic injury case generating $500,000 in attorney fees justifies an $8,000 acquisition cost without hesitation. A soft-tissue case against a $15,000 policy limit does not justify $2,000. Same firm, same month, completely different answers — and a single blended budget number hides both.

If you cannot produce cost per signed case by channel today, that is the thing to fix before you adjust the budget in either direction. Spending more on an unmeasured system produces more unmeasured spend.

A Reasonable Starting Allocation

For a firm in the $2M to $10M range with no existing program, a defensible split looks roughly like this:

• 40 to 50 percent to paid acquisition in your highest-value practice area, not spread evenly across all of them.
• 15 to 20 percent to organic and local — site, content, and the Google Business Profile most firms leave untouched for months at a time.
• 10 to 15 percent to measurement infrastructure: call tracking, CRM integration, offline conversion tracking. This is the part firms skip and then regret.
• The remainder to strategy and oversight, whether that is an internal hire, a fractional partner, or your own time.

Adjust from there based on what the data says after ninety days. The allocation matters far less than whether you can see which parts of it worked. For an outside sanity check on the size of the prize, the market share calculator compares your signed cases against real county crash volume, and what each engagement covers sets out where the oversight line falls.

Sources: LocaliQ 2026 Search Advertising Benchmarks