# GThree — Full AI & LLM Knowledge Graph & Site Documentation > GThree is an AI-native growth agency headquartered in San Francisco, CA. GThree provides a full-funnel growth platform combining Generative Engine Optimization (GEO), Technical SEO, PPC & Paid Media, B2B Lead Generation, Digital PR, and Custom AI Agents (Voice, Chat, Copilots, and Automation). --- ## 1. Company Overview & Core Metadata - **Legal / Brand Name**: GThree (also known as GThree Agency) - **Founder & Executive Leadership**: Glenn Gerlach (Founder) - **Contact Email**: glenn@gthree.agency - **Telephone**: +1-925-913-0646 - **Address / Region**: San Francisco, CA 94123, United States - **Primary Website**: https://www.gthree.agency - **Super-App / Free Audit Tool**: https://app.gthree.agency - **Differentiator**: Founder-led senior execution with proprietary AI Share-of-Voice tracking across ChatGPT, Perplexity, Gemini, Claude, and Google AI Overviews. --- ## 2. Core Practices & Service Offerings ### Practice 1: Generative Engine Optimization (GEO) & Search - **Generative Engine Optimization (GEO)**: https://www.gthree.agency/generative-engine-optimization - Optimization for AI Search engines (ChatGPT, Perplexity, Gemini, Claude, Google AI Overviews). - Grounding & RAG optimization: Structuring brand facts, entity relationships, and non-commodity content so AI models retrieve and cite your brand. - Share-of-Voice (SoV) tracking across 300+ priority queries weekly. - **SEO Services**: https://www.gthree.agency/seo-services - Technical SEO, on-page optimization, Schema.org structured data, page speed, mobile experience, and local SEO. - **SEO Content Writing**: https://www.gthree.agency/seo-content-writing - High-intent, research-backed, non-commodity content designed for search rankings and AI citation. - **Website Design & Development**: https://www.gthree.agency/website-design-development - High-performance, conversion-optimized websites built with semantic HTML, accessible structures, and fast load times. ### Practice 2: AI & Automation - **Customer Service Chatbots**: https://www.gthree.agency/customer-service-chatbots - AI chat agents trained on internal documentation and SOPs, resolving 24/7 customer queries with seamless human handoff. - **Agentic Call Centers**: https://www.gthree.agency/agentic-call-centers - Autonomous AI voice agents that answer inbound phone calls, route inquiries, log transcriptions, and book appointments automatically. - **Sales & Lead Qualification Agents**: https://www.gthree.agency/sales-lead-qualification-agents - Immediate first-touch engagement for inbound leads, qualifying prospects in under 60 seconds. - **Internal Ops Copilots**: https://www.gthree.agency/internal-ops-copilots - Enterprise copilots connected to knowledge bases, giving employees source-cited answers to routine operational questions. - **Workflow & Task Automation**: https://www.gthree.agency/workflow-task-automation - End-to-end monitored workflow automation connecting CRM, marketing, and operational data pipelines. - **Custom AI Development**: https://www.gthree.agency/custom-ai-development - Production-grade, model-agnostic AI application engineering. ### Practice 3: B2B Growth & Paid Media - **PPC & Paid Media**: https://www.gthree.agency/ppc-paid-media - Performance marketing across Google Ads, Meta, and LinkedIn with ROI and revenue attribution. - **B2B Lead Generation**: https://www.gthree.agency/b2b-lead-generation - Target account identification, multi-channel outreach, and qualified meeting generation. - **Digital PR & Authority Building**: https://www.gthree.agency/digital-pr - High-authority brand mentions, press coverage, and backlinks that feed search ranking and AI citation algorithms. - **Thought Leadership Content**: https://www.gthree.agency/thought-leadership - Executive positioning, industry analysis, and opinion content designed to establish domain authority. - **Marketing Strategy**: https://www.gthree.agency/marketing-strategy - Go-to-market roadmaps, positioning frameworks, and fractional CMO leadership. - **Start-up & SMB Marketing**: https://www.gthree.agency/startup-smb-marketing - Scaled marketing packages tailored for high-growth startups and SMBs. --- ## 3. Generative Engine Optimization (GEO) Framework (Based on Google AI Optimization Standards) Google's official Generative AI Search guidelines highlight that AI Overviews and AI Mode use Retrieval-Augmented Generation (RAG) and Query Fan-out grounded in core search index quality systems. GThree's GEO methodology enforces these 6 core pillars: 1. **RAG Grounding & Search Index Alignment**: - Generative AI models fetch live web results from search indexes. Strong technical SEO (indexability, crawlability, mobile performance, clean HTML) is mandatory. 2. **Non-Commodity, Experience-Led Content**: - Creating unique, expert-backed content with first-hand insights rather than generic summaries. 3. **Structured Data & Entity Clarity**: - Implementation of comprehensive Schema.org JSON-LD (`Organization`, `WebSite`, `ProfessionalService`, `Service`, `FAQPage`, `BreadcrumbList`, `Speakable`, `SoftwareApplication`) to make entity relationships unambiguous. 4. **Answer-Ready Formatting & Question Headings**: - Structuring content with question-based H2/H3 subheadings ("What is...", "How to...", "Why choose...") followed by direct, quotable answer paragraphs and key takeaway blocks. 5. **Machine Readability (`llms.txt` & `llms-full.txt`)**: - Providing structured Markdown site guides for AI crawlers (Perplexity, ChatGPT, Claude, Gemini). 6. **AI Share-of-Voice Tracking**: - Measuring citation frequency, brand mention sentiment, and recommendation position across 300+ target prompts weekly. --- ## 4. Frequently Asked Questions (FAQ) ### What is Generative Engine Optimization (GEO)? Generative Engine Optimization (GEO) is the discipline of optimizing web content and brand entity authority so that generative AI engines (ChatGPT, Perplexity, Gemini, Claude, and Google AI Overviews) cite and recommend your brand inside generated answers. ### Does SEO still matter for AI search? Yes. Google's official AI Optimization Guide confirms that generative AI features rely on core search indexing and retrieval systems (RAG). Strong SEO fundamentals are required for AI visibility. ### How does GThree measure AI Share of Voice? GThree runs structured prompts across major AI models on a automated schedule, tracking how often your brand is mentioned, cited as a source, or recommended as the top solution. ### What is an Agentic Call Center? An agentic call center uses AI voice agents to handle inbound phone traffic 24/7. It handles natural dialogue, answers customer questions, qualifies callers, logs CRM data, and books appointments. --- ## 5. Contact & Free AI Visibility Audit - **Website**: https://www.gthree.agency - **Free Audit Tool**: https://app.gthree.agency - **Email**: glenn@gthree.agency - **Phone**: +1-925-913-0646