SUBJECT

No website?

EMAIL BODY

Hey,

Yesterday, I was looking for [LOCAL BUSINESS NICHE i.e. plumbers, roofers] on [PLATFORM i.e. Google My Maps, Yelp] when I came across [BUSINESS' NAME].

And I could not find a website!

You are honestly missing out on a lot of potential customers. I searched for [BUSINESS' NAME] that means other people are also looking for [SERVICES BEING OFFERED i.e. plumbing, roofing].

I have a website creation agency and our job is to provide awesome websites for [LOCAL BUSINESS NICHE i.e. plumbers].

Let me know if you want a website, I am sure you are going to have double the business almost immediately.

Sincerely, 
YOUR NAME 
YOUR CONTACT DETAILS