# Google Ads Conversion Tracking Setup: Complete Guide for Lead Generation
You've got Google Ads conversion tracking enabled. Your dashboard shows conversions happening. But here's the problem: your phone isn't ringing and your sales team isn't getting leads.
This disconnect between technical setup and actual lead generation is more common than you'd think. After running a marketing agency for nine years, we've seen countless businesses with "working" conversion tracking that wasn't actually tracking the actions that matter to their bottom line.
The difference between conversion tracking that reports numbers and conversion tracking that drives business growth comes down to understanding what you're actually measuring and why.
What conversion tracking actually does
Conversion tracking tells Google which clicks turned into valuable actions for your business. When you track the right actions properly, Google's algorithm gets smarter about finding people likely to become customers.
But most businesses make the mistake of tracking every possible action as a conversion. They count page views, email signups, brochure downloads, and actual sales enquiries all as equal conversions. Google's algorithm then optimises for whichever action happens most frequently, which is rarely the action that generates revenue.
The result is campaigns that generate plenty of "conversions" but very few actual leads.
Setting up conversion actions that matter
Start by identifying which actions on your website directly indicate buying intent. For most B2B businesses, this means phone calls, contact form submissions, and quote requests. For e-commerce, it's purchases and potentially high-intent actions like adding expensive items to cart.
In your Google Ads account, navigate to Tools & Settings > Conversions. Each conversion action you create needs to be configured with the right value and counting method.
For lead generation, set your primary conversion actions (phone calls, contact forms) to count "One" conversion per click. This prevents someone from inflating your conversion numbers by submitting multiple forms. Set the conversion value to your average customer lifetime value or average deal size.
Secondary actions like newsletter signups should either be tracked separately as a different conversion action with a much lower value, or not tracked as conversions at all.
Phone call tracking setup
Phone calls often represent your highest-quality leads, but they're the hardest to track properly. Google Ads offers call conversion tracking, but the setup requires attention to detail.
Enable Google forwarding numbers in your call extensions and ads. These numbers forward to your actual business number while tracking which clicks generated calls. Set a minimum call duration (usually 60-120 seconds) to filter out wrong numbers and brief enquiries.
For calls from your website that don't come directly from ads, you'll need to implement website call conversion tracking. This requires adding conversion tracking code to your site that can detect when someone who clicked your ad later calls your business number.
Form submission tracking
Most contact forms can be tracked by placing the Google Ads conversion tracking code on your "thank you" page. But this only works if every form submission reliably leads to a unique thank you page.
Many modern websites use popup forms or AJAX submissions that don't redirect to a new page. For these, you'll need to implement event-based tracking using Google Tag Manager or custom JavaScript that fires the conversion code when the form is successfully submitted.
Test your form tracking by submitting a test enquiry and checking whether the conversion appears in your Google Ads account within 24 hours.
Attribution and conversion windows
Your conversion window determines how long after clicking an ad Google will attribute conversions to that click. The default is 30 days for clicks and one day for views, but this might not match your actual sales cycle.
B2B businesses with longer sales cycles should consider extending the click conversion window to 60 or 90 days. However, longer windows make it harder to quickly assess campaign performance, so balance accuracy with your need for timely optimisation data.
The attribution model determines how credit is shared between different touchpoints. "Last click" gives all credit to the final click before conversion, while "data-driven" spreads credit based on each touchpoint's actual contribution to conversions.
For most small businesses, last-click attribution is simpler to understand and optimise around, even though it's not perfectly accurate.
Common tracking mistakes to avoid
Double-counting conversions happens when the same action gets tracked by multiple systems. If you're using both Google Analytics goals and Google Ads conversion tracking for the same action, make sure you're only importing one of them into your ads account.
Tracking low-value actions as primary conversions dilutes your optimisation signal. That newsletter signup might feel like progress, but if Google optimises for newsletter signups instead of sales enquiries, your campaign performance will suffer.
Ignoring offline conversions misses a crucial piece of the puzzle. If people often research online but call or visit in person, you'll need to implement store visit tracking or manual conversion imports to get the full picture.
Testing your tracking setup
Before launching campaigns with new conversion tracking, test everything thoroughly. Submit test forms, make test calls, and verify that conversions appear in your Google Ads account.
Check that conversion values are importing correctly and that your most important actions are marked as primary conversions for bidding.
Many businesses discover tracking issues only after spending thousands on poorly optimised campaigns. Our AI agent at Overtime continuously monitors conversion tracking accuracy and alerts you when something stops working properly, which is particularly valuable for businesses without dedicated technical teams.
Optimising based on real conversion data
Once you're tracking actual lead-generating actions, you can start making optimisation decisions based on real business impact rather than vanity metrics.
Keywords, ad groups, and campaigns that generate cheap clicks but no meaningful conversions can be paused or restructured. Conversely, campaigns that appear expensive on a cost-per-click basis might actually be highly profitable when you measure cost-per-actual-lead.
This data also helps with budget allocation between campaigns and provides concrete ROI figures for stakeholder reporting.
Proper conversion tracking transforms Google Ads from a traffic generation exercise into a measurable revenue driver. The initial setup requires careful attention to technical details, but the resulting data clarity makes every subsequent optimisation decision more effective.
Getting conversion tracking right is often the difference between Google Ads campaigns that feel like an expense and campaigns that obviously generate more revenue than they cost. Start your free trial to see how Overtime ensures your conversion tracking captures the actions that actually matter to your business growth.