Home services
Roofing, exteriors, HVAC, remodeling, and other high-ticket home service companies. More booked jobs in your service area, plus identified homeowner leads.
Growth marketing for established B2C and B2B companies
Marketing that turns search, AI, and ads into revenue.
For home service companies, ecommerce brands, professional firms, and manufacturers ready to grow. One senior team runs your SEO, AI search, paid ads, website, and lead follow-up, and reports on the numbers that matter: leads, calls, cost per lead, and for ecommerce, sales and return on ad spend.
- 40+ brands served
- Month-to-month, no contracts
- You own your ad accounts
Businesses we've worked with
Your buyers are deciding before they ever call.
Homeowners, shoppers, and procurement teams now research on Google, ChatGPT, and other AI tools long before they reach out. If you're not the business they find and trust, the deal goes to a competitor.
We make sure you're the one they find, and that every visit, call, and form turns into a real sales conversation.
See if AI recommends your businessWhat we do for you
Pick one service or let us run it all together. Everything is measured by leads, calls, and sales, not traffic.
Get found on Google
Local SEO, Google Business Profile, and the technical fixes that move you up the map and search results.
Learn moreShow up in ChatGPT and AI search
We structure your site so ChatGPT, Gemini, Perplexity, and Google's AI answers recommend you by name.
Learn morePaid ads for B2C and B2B
Google Ads, Local Services Ads, Meta, and LinkedIn campaigns tracked to calls, sales, and qualified leads. You own the accounts.
Learn moreFollow up on every lead
Instant text and email replies, missed-call text-back, and CRM routing so no lead goes cold.
Learn moreWebsites that book jobs
Fast, premium sites and stores built to convert, with visitor identification so you know who stopped by.
Learn more
Who we help
We work with growth-minded companies selling to consumers or to other businesses.
B2C Selling to consumers
Ecommerce and consumer brands
DTC and online retail brands scaling profitable sales through search, shopping ads, and social.
B2B Selling to businesses
Manufacturing and industrial
Manufacturers, fabricators, and distributors winning RFQs from engineers and buyers who search before they call.
Professional services
Law, accounting, financial, medical, and consulting firms that need to be the trusted, recommended name.
Real results from real clients
A few recent numbers. Full breakdowns are on our Results page.
470leads from Meta Ads for a home service company, with cost per lead down 28%
~8xreturn on ad spend for an ecommerce brand, with orders averaging about $200
116page-one Google keywords for a contract manufacturer, 59 of them in the #1 spot
How it works
Strategy call
We review your site, search presence, and ads, and tell you honestly where the biggest growth is.
We build and launch
Search, ads, website, and follow-up go live together on a clear timeline.
You see the results
Clear monthly reporting on leads, calls, cost per lead, rankings, and online sales. We optimize every week.
Does AI recommend your business?
Run a free check of your website across ChatGPT, Gemini, Perplexity, Grok, and Google. Learn more about AI search optimization.
Senior strategy, without the big-agency layers
4th Line Marketing is led by founder Kevin Entmaa. You work directly with the people who build and run your campaigns, not a rotating cast of junior account managers.
More about us"We report on what we can actually measure: leads, calls, cost per lead, search visibility, and for ecommerce, sales and return on ad spend. If a channel isn't working, we'll tell you."
Kevin Entmaa, Founder