Most businesses get this wrong. Here's how to accurately measure what each lead actually costs you.
Calculating your Cost Per Lead (CPL) seems simple: total spend divided by total leads. But if you're only looking at the number in your Google Ads dashboard, you're missing the big picture. To truly understand your marketing efficiency, you need to look deeper into the data.
First, you must distinguish between a 'click', an 'enquiry', and a 'qualified lead'. A click on your ad is not a lead. A person calling to ask for a job you don't do is an enquiry, but not a qualified lead. Your true CPL should be based on people who are actually in your service area and looking for the specific services you provide.
Secondly, don't forget to include all costs. This includes your ad spend, any management fees you're paying to an agency, and the cost of the software you use for tracking and CRM. If you spend £1,000 on ads and £500 on management to get 50 leads, your CPL is £30, not £20.
Finally, track your lead-to-sale conversion rate. A lead source with a £50 CPL might actually be more profitable than one with a £20 CPL if the £50 leads close at a 50% rate while the £20 leads only close at 10%. Understanding the 'Cost Per Acquisition' (CPA) is the ultimate goal of any serious marketing strategy.