You've got $500/month to spend on marketing. Should you run Google Ads or optimize your Google Business Profile?

Here's the math โ€” laid out as plainly as possible.

Google Ads: The Numbers

Average cost-per-click for local service businesses ranges from $15โ€“50 depending on your industry and competition level.

  • Plumbing, HVAC, legal services: closer to $50/click
  • Landscaping, cleaning, general contractors: $15โ€“30/click

Let's run the math at $30/click with a $500/month budget:

  • $500 รท $30 = ~16 clicks per month
  • Conversion rate (click โ†’ call or form fill): 5โ€“10% if your landing page is solid
  • 16 clicks ร— 7.5% = ~1.2 leads per month
  • Cost per lead: ~$400

If your average customer value is $2,000 and you close 30% of leads, you need 3.3 leads to break even. At $500/month, you're not getting there.

Scale it up: $2,000/month budget โ†’ ~66 clicks โ†’ ~5 leads โ†’ ~1.5 customers โ†’ ~$3,000 revenue. Barely profitable, and one slow month wipes the margin out.

Google Business Profile: The Numbers

Optimizing your GBP costs $0 if you do it yourself, or $150โ€“300 one-time if you hire someone to set it up. Ongoing management runs $100โ€“300/month at most.

A well-optimized GBP in a mid-sized city typically generates:

  • 500โ€“2,000 profile views per month
  • Click-through rate to website or call: 2โ€“5%
  • 500 views ร— 3.5% CTR = ~17โ€“18 actions per month

If 20% of those actions convert to actual leads, that's 3โ€“4 leads per month at a cost of $0โ€“100 ongoing.

Cost per lead: $0 to $33, depending on whether you manage it yourself or pay for help.

The Real Difference

Google Ads stops working the moment you stop paying. Your GBP keeps working forever.
Ads are rented traffic. GBP is owned traffic.

That distinction matters enormously for a local service business operating on real-world margins. When you stop an ad campaign, your leads drop to zero overnight. When you stop actively managing your GBP, it degrades slowly โ€” but the foundation you've built keeps producing for months or years.

When Google Ads Make Sense

  • You're in a high-ticket industry (legal, medical, home remodeling) where one customer = $10K+ in lifetime revenue
  • You have a proven conversion funnel and you're looking to scale volume
  • You need immediate leads and have the budget to sustain $2,000+/month in ad spend consistently

When GBP Optimization Makes More Sense

  • You're a local service business competing in a specific geographic area
  • Your marketing budget is under $1,000/month
  • You want consistent, compounding lead flow without ongoing ad spend
  • You haven't yet maxed out the free visibility available to you

The Best Strategy

Start with GBP. Get it fully optimized. Get 20+ reviews. Post weekly. Add photos monthly. Let it compound over 60โ€“90 days.

Once your GBP is dialed in and you're generating consistent leads organically, then layer in Google Ads to accelerate and scale โ€” with a budget that makes the math work.

But if you're choosing between the two with limited resources? GBP wins on ROI almost every time for a local service business.

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Don't skip the free channel to pay for the expensive one. Optimize your GBP first, build the foundation, then use paid ads to amplify what's already working.