Paid Acquisition Insight
Meta Ads vs Google Ads for Lead Generation (Including B2B)
Google Ads captures demand: it shows ads to people who are already searching for a product or service, so leads often arrive with clear intent. Meta Ads creates demand: it reaches people on Facebook and Instagram who match an audience profile before they search, often at a lower cost per lead, but it needs a stronger offer and better qualification.
For most established businesses the real question is not which platform but which first, and how to judge both by qualified leads and booked calls instead of clicks or cost per lead.
The difference
How Meta Ads and Google Ads differ for lead generation
| Factor | Google Ads (search) | Meta Ads (Facebook and Instagram) |
|---|---|---|
| What triggers the ad | A search for a keyword | A person matching an audience and interest profile |
| Buyer stage | Already looking, often comparing providers | Not yet looking; the ad starts the interest |
| Lead intent | Usually higher | Mixed; depends on offer and qualification |
| Typical cost per lead | Often higher, varies by keyword competition | Often lower, varies by market and offer |
| What wins | Relevance to the search, landing page and bid strategy | Offer, creative and qualifying questions |
| Scale limit | How many people search | How many people match and respond |
Which first
Which to start with
Start with Google Ads when
- People already search for the service, especially urgent or well understood needs such as repairs, legal help or specific products.
- Each customer is valuable enough to pay for competitive clicks.
- You have a landing page that answers the searcher's question. See Google Ads lead generation.
Start with Meta Ads when
- Few people search for the solution yet, but many would want it if they saw the right offer.
- The offer is visual or easy to explain in a short video, such as home improvement, solar, real estate, fitness or education.
- You can qualify inside the form or application and follow up fast. See Meta Ads lead generation.
B2B
Meta Ads vs Google Ads for B2B lead generation
B2B buyers search when they have an active project, which makes Google Ads strong for capturing RFQs and service enquiries with clear intent. Meta can still reach business owners and managers through interests, behaviours and markets, but because it cannot target job titles as precisely as some B2B platforms, the offer and the qualifying questions must do more of the filtering.
Both published Madvert Labs B2B case studies were built on Meta: an agency that generated qualified applications from prospects in the USA, UK, Canada and Australia through a landing page and application flow, and a bookkeeping firm whose campaign used video, an offer and questions that filtered for serious business owners before booking appointments. See B2B lead generation for how the system is built.
Measurement
How to compare the two fairly
- Define a qualified lead once, for both channels.
- Track the source of every lead into the CRM.UTM parameters on landing pages, and lead source fields for instant forms.
- Compare cost per qualified lead and booked calls.Use the cost per qualified lead calculator.
- Give each test enough budget and time to learn.A few days of data rarely settles the question.
Proof
Published Meta campaigns, including B2B
The published case studies below were all run on Meta. Each figure describes that campaign only.
Agency Lead Generation
99 Agency Leads at $4 CPL Across USA, UK, Canada & Australia
Qualified applications from prospects in four countries.
- Website Submit Applications
- 99
- Source: Meta Ads Manager screenshot in the case study PDF
Financial Services / Bookkeeping
Qualified Bookkeeping Appointments From International Traffic
B2B: qualified inquiries booked into the calendar.
- Qualified Inquiries
- 35
- Source: Results stated in the case study PDF
Solar / Home Services
Texas Solar Campaign: Direct Appointments at $15 CPL
Website applications for a Texas solar company.
- Cost Per Website Application
- $13.72
- Source: Meta Ads Manager screenshot in the case study PDF
FAQs
Frequently asked questions
Is Google Ads or Facebook Ads better for lead generation?
Google Ads is usually better for capturing people already searching; Facebook and Instagram ads are usually better for creating demand before people search. The better channel is the one with the lower cost per qualified lead for your offer, which only a test can show.
Which is cheaper, Meta Ads or Google Ads?
Meta often has a lower cost per lead, while Google often has higher intent per lead. Costs vary widely by market, competition and offer, so compare cost per qualified lead rather than cost per click or cost per lead.
Does Meta Ads work for B2B?
It can, when the offer is written for decision makers and the form or application qualifies before the call. Both published Madvert Labs B2B case studies used Meta.
Should a small budget be split across both?
Usually not at the start. A small budget split two ways often gives neither channel enough data. Start with the channel that fits the buyer's stage, prove it, then add the other.