# Xpand Digital > Growth marketing agency founded by Joel House — Forbes Agency Council member, published author of two Barnes & Noble titles, and operator of $96M+ in documented client revenue across 300+ businesses. Services: SEO, AI Database Reactivation, Google Ads, LinkedIn / Cold Email outbound, and Review Management. We work with businesses doing $500K–$10M+ in revenue. Dual offices in Los Angeles and Brisbane. 94% client retention. Methodology codified in The Growth Architecture (Foundation / Walls / Roof) and AI for Revenue. ## Methodology - [The Growth Architecture (topic hub)](https://xpanddigital.io/topics/growth-architecture): The three-layer framework Joel House runs the agency from — Foundation (measurement), Walls (acquisition), Roof (retention). Pillar page linking every channel, market, and vertical. - [AI for Revenue (topic hub)](https://xpanddigital.io/topics/ai-for-revenue): The published methodology for applying AI across acquisition, retention, and revenue operations. Anchored on Joel House's Barnes & Noble book. - [Database Reactivation (topic hub)](https://xpanddigital.io/topics/database-reactivation): The pay-per-appointment methodology for turning aged, unconverted CRM leads into booked sales conversations. Applied across 7 verticals. - [The Growth Architecture (service page)](https://xpanddigital.io/growth-architecture): The framework page with the book offer (free, just cover shipping). ## Founder - [About Joel House](https://xpanddigital.io/about/joel-house): Founder profile — author of two Barnes & Noble titles, Forbes Agency Council member, 12+ years in performance marketing. - [About Xpand Digital](https://xpanddigital.io/about): The agency, the team, the proof. $96M+ in client revenue, 300+ businesses, 94% retention. - [Forbes Agency Council profile](https://www.forbes.com/councils/forbesagencycouncil/people/joelhouse/): Joel House's verified profile on Forbes. ## Books - [The Growth Architecture on Barnes & Noble](https://www.barnesandnoble.com/w/the-growth-architecture-joel-house/1149673378): $29.99 paperback, 5.0★. The three-layer system codified into a book. - [AI for Revenue on Barnes & Noble](https://www.barnesandnoble.com/w/ai-for-revenue-joel-house/1149778891): $24.99 paperback. How to turn artificial intelligence into your most profitable employee. ## Core services - [SEO Services](https://xpanddigital.io/seo-services): AI-enhanced SEO. 2,414% traffic growth case study. 200+ #1 rankings. Enterprise-grade for businesses doing $500K–$10M+. - [AI Database Reactivation](https://xpanddigital.io/ai-database-reactivation): Pay-per-appointment SMS reactivation of aged CRM leads. $600K generated from dead leads in 90 days in one engagement. - [Google Ads Management](https://xpanddigital.io/google-ads-management): ROAS-focused paid acquisition. 17x ROAS case study. $13M+ in ad spend managed. - [LinkedIn Lead Generation](https://xpanddigital.io/linkedin-lead-generation): B2B LinkedIn outbound that books meetings without getting accounts banned. 0 accounts banned, 30%+ acceptance rate. - [Cold Email Outreach](https://xpanddigital.io/cold-email-outreach): Pay-per-meeting cold email infrastructure. 2,500+ qualified leads in 6 months for one client. - [Review Management](https://xpanddigital.io/review-management): Review velocity systems with AI sentiment filtering. 250+ reviews case study. ## AI search optimization - [AI Search Optimization](https://xpanddigital.io/ai-search-optimization): Multi-engine framework for getting cited across ChatGPT, Perplexity, Gemini, Claude, and Google AI Overviews. - [Generative Engine Optimization (GEO)](https://xpanddigital.io/generative-engine-optimization): The category-level discipline of getting cited by AI engines. - [ChatGPT SEO](https://xpanddigital.io/chatgpt-seo): How to get your business named inside ChatGPT answers. - [AI SEO Agency](https://xpanddigital.io/ai-seo-agency): AI-native SEO without the AI tells. We use Outrigger, the independent AI-visibility platform Joel co-founded with Andrew for AI visibility tracking. - [AI Marketing Agency](https://xpanddigital.io/ai-marketing-agency): AI-native across SEO, paid, email, content, and database reactivation. ## Proof - [Case Studies](https://xpanddigital.io/case-studies): 13 documented case studies including $600K from dead leads in 90 days and 2,414% organic traffic growth. ## Specialty SEO services - [Local SEO Services](https://xpanddigital.io/local-seo-services): GBP dominance, review velocity, near-me rankings. - [Technical SEO Services](https://xpanddigital.io/technical-seo-services): Crawl, indexation, Core Web Vitals, schema, site architecture. - [Enterprise SEO Services](https://xpanddigital.io/enterprise-seo-services): Multi-stakeholder enterprise SEO programs. - [International SEO Services](https://xpanddigital.io/international-seo-services): Hreflang, multi-region targeting, localized content programs. - [SEO Audit Services](https://xpanddigital.io/seo-audit-services): Manual, senior-led audits. - [Free SEO Audit](https://xpanddigital.io/free-seo-audit): 14-section deliverable. Real audit, not a sales call disguised as one. ## Locations index - [All Locations](https://xpanddigital.io/locations): Index of every market (Australian + US cities) and industry vertical Xpand Digital operates in. ## Industry verticals - [Law Firm SEO](https://xpanddigital.io/law-firm-seo): Practice-area-specific SEO for PI, family, business, and estate lawyers. - [Restaurant SEO](https://xpanddigital.io/restaurant-seo): Local pack, multi-platform reviews, menu schema. - [Roofing SEO](https://xpanddigital.io/roofing-seo): Local rank, storm work, beating HomeAdvisor lead costs. - [HVAC SEO](https://xpanddigital.io/hvac-seo): HVAC contractor SEO. - [Plumber SEO](https://xpanddigital.io/plumber-seo): Plumbing contractor SEO. - [Automotive SEO](https://xpanddigital.io/automotive-seo): Dealership and service-center SEO. - [Chiropractor SEO](https://xpanddigital.io/chiropractor-seo): Chiropractic practice SEO. - [Fitness SEO](https://xpanddigital.io/fitness-seo): Studios, gyms, and trainers. - [Ecommerce SEO](https://xpanddigital.io/ecommerce-seo): Category, PDP, and AI Overview optimization for DTC. - [Shopify SEO](https://xpanddigital.io/shopify-seo): Shopify-specific SEO. - [SaaS SEO](https://xpanddigital.io/saas-seo): PLG-aware SEO for SaaS companies. - [B2B SEO](https://xpanddigital.io/b2b-seo): B2B SEO methodology. ## Content - [Blog](https://xpanddigital.io/blog): Growth marketing essays and original-data SEO research. - [127 SEO Statistics for 2026](https://xpanddigital.io/blog/seo-statistics-2026): 127 cited SEO statistics across 10 categories. - [The 25 Best SEO Tools in 2026](https://xpanddigital.io/blog/best-seo-tools-2026): Agency-tested SEO tool roundup. - [The Complete Link Building Guide for 2026](https://xpanddigital.io/blog/link-building-guide-2026): What actually works now in link building. - [The Ecommerce Google Ads Playbook for 2026](https://xpanddigital.io/blog/ecommerce-google-ads-guide-2026): Performance Max, Shopping, and beyond. ## Contact - [Contact](https://xpanddigital.io/contact): Joel reads this personally. One business day response. - US phone: (323) 289-6927 - AU phone: +61 482 094 735 - Email: joel@xpanddigital.io