4thline.ai
AI Search Visibility · Paid Demand

Get cited. Get found. Get leads.

SEO, AEO, Google and Meta ads, and websites as the conversion layer — so AI cites the business, customers find it, and paid demand turns into leads.

SEO + AEO Ranked & cited
Paid Media Google & Meta
Lead Systems Built & automated
Web Design Built to convert

Most agencies still sell rankings and clicks. We build AI search visibility and paid demand that turns attention into booked revenue.

Google's answer boxes and AI assistants are already deciding who gets found before a human ever clicks. 4thline.ai connects search visibility, paid demand, lead capture, and your website into one system built for that reality — engineered with the same discipline it takes to run a high-performing revenue team.

Free AI Visibility Snapshot

See if AI cites the business.

Live check of your website for ChatGPT, Gemini, Perplexity, Grok, and Google. Leave your details on the AI Audit page for the full report.

What we build

Five systems. One job: get found and booked.

01

SEO

Technical fixes, content architecture, and authority building so your site ranks for the searches that actually convert — not just traffic.

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02

AEO

Answer Engine Optimization structures your content so ChatGPT, Perplexity, Gemini, Grok, and AI Overviews cite you as the answer — not a competitor.

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03

Paid Ads

Google and Meta campaigns built around margin, not vanity metrics — every dollar tied to a pipeline outcome you can trace.

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04

Lead Generation Systems

Automated capture, routing, and follow-up — so a lead never sits in an inbox waiting for someone to notice it.

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05

Website Design

Fast, conversion-built sites that give SEO, AEO, and paid traffic somewhere worth landing — designed to close, not just look good.

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Mission Sequence

How an engagement actually runs.

Phase 01

Audit & Strategy

We map your current search, ad, and lead performance against where AI-driven demand is actually moving.

Phase 02

Build & Launch

SEO foundations, AEO content structure, campaigns, and lead systems go live on a shared timeline — not in silos.

Phase 03

Optimize & Scale

Weekly signal review. Budget and effort shift toward whatever channel is actually producing booked revenue.

Phase 04

Report & Amplify

Clear reporting tied to pipeline, not impressions — so you always know what's working and why.

SEARCH.READOUT
Search visibilitySEO + AEO
Paid demandGoogle / Meta
Lead captureAutomated
Conversion surfaceWebsite
The 4th Line Difference

Work ethic over vanity metrics.

01

Revenue is the measure that matters

Rankings, impressions, and clicks are inputs. We manage toward booked revenue and pipeline, and we say so plainly when a channel isn't producing it.

02

Every system talks to every other system

SEO, AEO, paid, lead capture, and your website are built together so momentum in one channel compounds the others instead of sitting isolated.

03

Built for the AI search shift

We design for how answer engines actually surface businesses today, not the approach that worked in 2019.

Who We Work With

Built for businesses that compete on revenue, not impressions.

From professional firms and local trades to industrial B2B and consumer brands — if a missed lead costs you real revenue and being the answer AI cites in your market matters, we're built for how you sell.

01

Professional firms & agencies

Legal, medical, real estate, and other expertise firms that need ChatGPT, Perplexity, and AI Overviews to cite them as the answer.

02

Home services & trades

HVAC, roofing, plumbing, and other service businesses where a missed call is a lost customer.

03

B2B, industrial & SaaS

Companies selling complex products where technical credibility and trust close the deal.

04

Ecommerce & consumer brands

DTC and growth-stage brands scaling paid and organic acquisition together.

Trusted By

Teams that count on us for real revenue, not vanity metrics.

See results

Ready to get cited, found, and booked in AI search?

Book a Strategy Call