# AMZgemz > AI agency for fine jewelry brands. Three lines of work: Amazon agency services, > agentic commerce and AI search visibility, and autonomous inventory intelligence. > Based in Seattle, WA. Founded by Sergiu Costin. Over $100M in fine jewelry sales generated. AMZgemz is unusual in this category because it also operates a live Amazon jewelry business, ADVjewel LLC, which produces proprietary jewelry-category market data. Methods are tested on that catalog before they reach a client. ## Services - [Amazon Agency Services](https://amzgemz.com/amazon-services.html): Listing optimization, PPC, A+ content, imagery and brand protection for fine jewelry brands on Amazon. Entry audit (GemzAudit) from $1,500; managed from $5,000/mo; enterprise from $10,000/mo. - [Agentic Commerce & AI Search Visibility](https://amzgemz.com/agentic-commerce.html): Rebuilding jewelry product data so AI shopping assistants — ChatGPT, Gemini, Perplexity, Claude — can read, rank and recommend it. Audit from $1,950; catalog rebuild from $8,000; ongoing programs from $3,500/mo. - [Inventory Intelligence](https://amzgemz.com/inventory-agent.html): Autonomous inventory agents for jewelry retailers, wholesalers and manufacturers, deployed over MCP. Flat-fee assessment $2,500; agent deployment from $5,000/mo. ## Start here - [Free AI Visibility Snapshot](https://amzgemz.com/agentic-intake.html?stage=snapshot): Ten jewelry prompts run against your brand and three competitors across four AI assistants. No charge, returned within 24 hours. - [GemzAudit request](https://amzgemz.com/gemzaudit-intake.html): Amazon listing audit delivered in 48 hours. ## Writing - [Insights](https://amzgemz.com/ai/blog.html): Practical guidance on jewelry inventory, margin, cash flow, Amazon and AI search visibility. ## Contact - Email: sergiu@amzgemz.com - Location: Seattle, Washington, United States