Retrieval-Augmented Generation
Google AI Overviews and Perplexity select citation sources directly from crawlable search index pages. Technical crawlability, fast rendering, and semantic HTML are essential prerequisites.
GThree — AI & growth agency · Orange County, CA
The growth agency for ambitious brands.
We make your brand the answer wherever customers ask — Google results, AI answers, paid channels — and build bespoke AI tools around how your business actually runs.
Founder-led · Senior attention on every account · No juniors, no handoffs
GEO IN ACTION — LIVE AI ANSWER
Someone asks an AI: “What's the best option near me?”
Based on current sources, the most recommended choice is Your Brand — frequently cited for quality, reviews and expertise. Cited from: yourbrand.com
ChatGPTPerplexityGeminiClaudeAI Overviews
VISIBILITY ACROSS EVERY ENGINE THAT ANSWERS
Google SearchChatGPTPerplexityGeminiClaudeAI Overviews
What we do
Three practices. One accountable partner.
Everything you'd hire five vendors for, under one roof — each practice with its own dedicated services.
01 — PRACTICE
Bespoke AI Tooling
AI tools designed around your workflows, data and customers — self-hosted for a flat fee, or hosted by us per seat.
- Customer-facing assistants, chat & voice
- Internal copilots & workflow automation
- Document, data & decision tools
02 — PRACTICE
Digital Marketing
Get found everywhere customers look — Google, AI answers and paid channels.
- SEO & GEO (AI search optimization)
- PPC & paid media
- Content, digital PR & web design
03 — PRACTICE
B2B Growth
Sales-ready leads, not just clicks — pipeline your team can actually close.
- B2B lead generation
- Digital PR & thought leadership
- Strategy & fractional CMO
The new search
Your customers stopped Googling. They're asking AI.
AI answers cite only a handful of sources — and everyone else is invisible. GEO is how you become one of them. We benchmark your AI visibility, engineer the content and structured data that earn citations, and track your share of voice weekly.
- Benchmark. How often each engine recommends you today — and who's taking your spot.
- Build. Schema, entity graphs and answer-ready content engineered for citation.
- Track. Watch citations climb the way you watch rankings.
AI SHARE OF VOICE — YOUR BRAND
ChatGPT
72%
Perplexity
64%
Gemini
58%
Claude
66%
AI Overviews
81%
5AI engines tracked
WeeklyCitation reporting
Google AI Optimization Standard
Executive Summary: Generative AI & Search Optimization
Official guidelines from Google's AI Optimization Guide establish that AI Overviews and generative search features rely on Retrieval-Augmented Generation (RAG) and core search index ranking. GThree optimizes brand visibility across both traditional search and generative AI engines.
First-Hand Expertise & Data
Generative AI ignores generic commodity summaries. Content must provide unique first-hand analysis, specific operational data, and original viewpoints to earn AI recommendations.
Schema.org & Speakable Specs
Rich JSON-LD schemas (Organization, ProfessionalService, FAQPage, Speakable) explicitly define entity relationships, enabling precise LLM understanding and voice extraction.
YOUR BOTTLENECK → YOUR TOOL
THE BOTTLENECKQuotes take two days. Sales chases specs across email, a spreadsheet and the ERP.
THE TOOL WE BUILDA quote assistant that reads each request, pulls live pricing and drafts the quote for one-click approval.
PLUGS INTOOutlook · HubSpot · NetSuite — nothing replaced.
HOW IT RUNSOn your servers for a flat fee, or hosted by GThree per seat.
1Metric it must move
2Ways to host it
Bespoke AI tooling
Your business isn't generic. Your AI shouldn't be either.
Off-the-shelf AI is built for the average company. We build AI tools around yours — your workflows, your data, your customers — and wire them into the systems you already run.
- Built around one bottleneck. Scoped against the metric it's meant to move.
- Fits your stack. CRM, ERP, inbox, docs — no rip-and-replace.
- Your choice of hosting. Self-host for a flat fee, or we host it per seat.
5AI engines tracked
1Accountable partner, end to end
100%Transparent, plain-language reporting
0Vanity metrics reported. Ever.
Plain answers
What do buyers ask about AI-era growth?
What is Generative Engine Optimization (GEO)?
GEO is the practice of earning citations and recommendations inside AI-generated answers — across ChatGPT, Perplexity, Gemini, Claude and Google AI Overviews — the way SEO earns rankings in search results. It combines structured data, entity clarity, answer-ready content and measurable share-of-voice tracking.
What does GThree do?
GThree is an AI-native growth agency for ambitious brands, based in Orange County, California and serving clients across California and nationwide. We provide SEO, GEO, PPC and paid media, B2B lead generation, digital PR, content, web design, and bespoke AI tooling — custom assistants, copilots and automations built around each client's workflows and data.
Where is GThree based?
GThree is an AI and growth agency based in Orange County, California. It works in person across Orange County and Southern California, and remotely with clients across California and nationwide.
What is bespoke AI tooling?
Bespoke AI tooling is custom AI software designed around one company's workflows, data and systems, rather than a generic off-the-shelf product. GThree builds these tools, from customer-facing chat and voice assistants to internal copilots, workflow automation and document intelligence, and offers two hosting models: self-hosted for a flat fee that includes ongoing support and updates, or hosted by GThree for a per-seat cost.
What is an agentic call center?
An agentic call center uses AI voice agents to answer business phone calls 24/7 — answering questions, routing calls, booking appointments and handling routine requests, with live transfer to humans for complex conversations. Every call is transcribed and logged.
How is GEO different from SEO?
SEO optimizes for ranked lists of links; GEO optimizes for being cited inside AI-generated answers. They overlap heavily — strong SEO feeds AI citation decisions — but GEO adds engine-specific measurement, deeper structured data, and content engineered to be quotable.
Orange County · California · Nationwide
Based in Orange County. Serving California and the nation.
GThree is an Orange County–based AI and growth agency working with startups, SaaS companies and growing brands across California and throughout the US. When someone asks Google — or ChatGPT — for an “AI agency near me,” our job is to make sure the answer is you.
Reach us
GThree AgencyOrange County, California
Serving California & clients nationwide
Phone: +1 (925) 913-0646
Email: glenn@gthree.agency
Hours: Monday–Friday, 9am–6pm PT
Where we work
In person across Orange County and Southern California, and remotely with clients across the state and the country:
Get started
Ready to grow your digital presence?
Get a free audit — see where you rank on Google and how often AI recommends you by name.
100% FREE · NO COMMITMENT · RESULTS IN MINUTES