Why the definition comes first
Most law firm Google Ads accounts use some form of automated bidding. Those systems learn from conversion data: they look at which searches, devices, locations, and times produced conversions and adjust bids to find more of them. That is useful only if the conversions reflect what the firm actually wants.
If a two-second misdial, a spam form, and a twenty-minute intake call are all counted as one conversion each, the system has no way to tell them apart. It will happily optimize toward whichever is cheapest to produce. In legal advertising, that is rarely the inquiry the firm wanted to pay for.
Start with an inventory of what is being tracked today
Before adding anything, list every conversion action in the account and note whether each is set as primary (used for bidding) or secondary (observed only). Many accounts accumulate actions over time — page views, button clicks, duplicate form tags, imported GA4 events — and several of them end up counting toward bidding without anyone deciding they should.
- Which actions are primary, and why?
- Are any actions counted twice (for example, a form tracked both by a Google Ads tag and an imported GA4 event)?
- Do call conversions have a minimum duration, and is it a deliberate choice?
- Are thank-you page visits possible without submitting a form?
- When was the last time someone compared conversion counts against actual intake records?
Calls: set thresholds deliberately
Phone calls are often the most important contact path for legal prospects, especially on mobile. Google Ads can count calls from call assets and from website numbers that use forwarding, and each call conversion action can require a minimum duration before it counts.
There is no universal correct threshold. A firm whose intake team qualifies callers quickly may treat a shorter call as meaningful; a firm whose consultations start with a longer screening may want a higher bar. The point is to choose a number based on how the firm's intake actually works, then revisit it once there is enough data to compare against intake outcomes.
Forms: filter before you count
Legal contact forms attract spam, solicitations, and job seekers. Basic protections — server-side validation, a honeypot field, rate limiting — reduce the noise. Firing the conversion only after a successful server response, rather than on button click, prevents counting submissions that never arrived.
Forms should also avoid collecting confidential case details. A short form that asks for contact information and a general description of the matter is easier to complete and keeps sensitive information out of marketing systems.
Going further: offline conversions
The most useful signal is not an inquiry but an outcome: a qualified lead, a booked consultation, a retained client. If the firm's intake system or CRM records those outcomes and can associate them with the original ad click, they can be imported back into Google Ads as offline conversions.
This takes coordination. Intake staff need consistent dispositions, the click identifier has to be captured and stored with the lead, and someone has to own the import process. It also has limits: some calls cannot be matched, and privacy obligations constrain what can be shared. But even partial outcome data usually tells a clearer story than inquiry counts alone.
A reasonable progression
Firms do not need to do everything at once. A sensible order is to clean up existing conversion actions, set deliberate call and form definitions, verify the counts against intake for a few weeks, and only then consider importing qualified-lead outcomes and adjusting bidding to use them.
If you want help with that sequence, see how we approach law firm conversion tracking.

