AI Inside Industries
The 5W research franchise measuring how generative AI engines surface brands across consumer search. Each Index ranks the top 25 brands in a category by citation share across ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews.
5W is the AI Communications Firm and the publisher of the AI Visibility Index Series. Through a dedicated Generative Engine Optimization (GEO) practice, 5W helps the world's leading brands earn citation authority across ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews — while continuing to deliver the consumer, corporate, crisis, healthcare, technology, sports, lifestyle, and public affairs work that has made 5W one of the largest independent communications agencies in the United States.
5W's AI Visibility Index Series measures who is winning that citation surface and who is not. Each Index ranks the top 25 brands in a single consumer category by estimated AI citation share, identifies the structural patterns driving the citation consolidation, and lays out the Generative Engine Optimization (GEO) playbook for brands that want to compete on the new surface. The Series is published as ongoing 5W research; new categories are added as they are completed.
The Indexes
Pickleball
5W's flagship Index. Live now.
Read the report →Crypto & Digital Assets
Coinbase, Kraken, Gemini, BlackRock IBIT, and the citation consolidation reshaping U.S. crypto.
Read the report →Cannabis
Curaleaf, Trulieve, Green Thumb, and the post-rescheduling citation surface.
Read the report →Beauty
The Ordinary, CeraVe, Sephora, and the ingredient-transparency moat.
Read the report →Local Services
The 78% local-services AI invisibility crisis.
Read the report →Wedding Industry
The Knot, Zola, WeddingWire — a 73% citation duopoly post-ChatGPT-app launch.
Read the report →HVAC & Plumbing
ServiceTitan post-IPO, Roto-Rooter, and the 87% contractor invisibility gap.
Read the report →Cigar & Pipe
Padron, Arturo Fuente, Davidoff — the family-controlled premium cigar moat.
Read the report →Pool & Spa
Leslie's, Pinch A Penny, Pentair, Hayward — the $21B backyard category.
Read the report →Car Wash
Mister Car Wash, Tommy's Express, Quick Quack — and the Zips bankruptcy fallout.
Read the report →Funeral & End-of-Life Services
SCI / Dignity Memorial, Trust & Will, Eterneva — and 88% independent funeral home invisibility.
Read the report →Engage with 5W
For inquiries about Generative Engine Optimization engagements, AI Visibility Index licensing, custom industry research, or category-specific PR and communications: visit 5wpr.com/practice/geo-optimization or contact [email protected].
5W headquarters: 469 7th Avenue, Floor 8, New York, NY 10018. Telephone: (212) 999-5585.