About Us

We built 4thline.ai because search has changed.
AI search is where customers are going and most businesses are completely invisible to it. Our job is to change that.

THE FOUNDER'S PERSPECTIVE

A Performance Mindset Applied to AI Search Visibility

As a former NCAA and professional hockey goalie, I spent years in an environment where execution was everything. In the net, there is no room for excuses, no points for effort, and absolute transparency in the score. Every single movement is analyzed, optimized, and measured against one goal: stopping the puck.

We bring that exact same high-performance discipline to digital marketing.

For years, our agency operated as 4th Line Marketing, delivering high-tier SEO, PPC, and web design. But as we entered 2026, we saw a fundamental shift. Conversational AI search engines like ChatGPT, Perplexity, and Google AI Overviews began capturing a massive share of user search intent.

We realized that traditional SEO is no longer enough. If your business isn’t being cited and recommended directly inside the conversational responses AI outputs, you are invisible to 30% of your potential customers.

We pivoted and built 4thline.ai (operated by 4th Line Marketing LLC) to solve this exact problem.

OUR CAPABILITIES

Our core service focus

We have consolidated our operations to focus strictly on
what drives discovery and revenue in the AI era.

GET STARTED

Ready to find out where you stand?

Start with the AI Visibility Audit: $997, one-time. We show you the exact gap between your current AI presence and your top competitors, and the steps to close it.

Our Partners

We work alongside trusted technology and delivery partners to bring best-in-class tools, platforms, and execution to every engagement.

Rating on Google!

Real feedback from businesses we’ve helped grow.
Meet Our Team

We’re a strategy-led team backed by trusted specialists and technology partners.

That means you get senior-level thinking, disciplined execution, and the flexibility to scale, without the overhead or chaos of a bloated agency.

Kevin Entmaa

Founder/Managing Director

Sarah Johnson

Design Associate

David Martinez
Installation Manager
Emily Carter
Customer Care Specialist
Olivia Green
Flooring Specialist
James Wilson
Project Coordinator
Elena Poggi

Operations Assistant

Brian Lee
Senior Installer

Our Core Values

No fluff. No corporate slogans.
Just the principles we operate by — on every project, with every client.

Discipline and Integrity

We do what we say we’re going to do — even when it’s not easy. Clear communication, honest reporting, and accountability come standard.

Client-Centric Approach

We don’t force clients into prepackaged solutions. We listen first, then build systems that fit how your business actually operates.

Performance and Excellence

Every decision ties back to performance. If something isn’t working, we fix it. If it is working, we scale it.

Continuous Improvement

Markets change. Platforms evolve. We test, learn, and adapt — constantly refining what works and dropping what doesn’t.

Teamwork and Transparency

Growth doesn’t happen in silos. We work closely with our clients and partners, sharing insight, context, and results every step of the way.

Partnership and Responsibility

We treat your business like it matters — because it does. That means respecting budgets, protecting brand reputation, and making decisions with long-term impact in mind.

Ready To Grow?

If you’re looking for a marketing partner who values discipline, clarity, and results — let’s have a real conversation.

No pressure.
No pitch decks full of fluff.

Just a clear look at where you are and how to move forward.