Penaxis
Automotive & Auto Care

The Plate Agent - AI-Powered Private Registration Marketplace & Valuation Engine

Region

United Kingdom

Client Overview

A UK private registration dealer needed more than a conventional inventory website. The business needed to showcase plates already available for resale while capturing demand from buyers searching for registrations not currently held in stock.

The Challenge

The goal was to turn open-ended buyer preferences into structured, commercially qualified enquiries - while giving customers immediate, indicative pricing guidance.

Our Solution

Penaxis developed a premium private registration marketplace with an AI-assisted classification and valuation workflow featuring:

  • Searchable inventory of available private registrations
  • Category, pricing, and availability management
  • Advanced search, filtering, and fuzzy keyword matching
  • Preference-based sourcing for unavailable registrations
  • Collection of desired names, initials, words, dates, and numbers
  • Budget, format, and alternative-spelling capture
  • AI-assisted pattern recognition and plate classification
  • Indicative valuation ranges based on controlled pricing logic
  • Confidence thresholds, valuation boundaries, and fallback rules
  • Central dashboard for inventory, pricing, and enquiries
  • Transactional notifications with optional SMS and WhatsApp follow-ups

The architecture was prepared for reservations, deposits, and online purchases. The AI supports classification and indicative valuation, while the dealer retains complete authority over final sourcing decisions and quotations.

Technology
FrontendNext.js 14, React 18, TypeScript, Tailwind CSS
Backend & DataNode.js, NestJS, PostgreSQL, Prisma ORM, REST APIs
AI & ValuationOpenAI GPT-4o mini, Structured Outputs, Hybrid Rules Engine, Pattern Recognition, Confidence Thresholds, JSON Schema Validation
SearchPostgreSQL Full-Text Search, Indexed Filtering, Fuzzy Keyword Matching
IntegrationsAWS S3, Transactional Email API, Twilio SMS/WhatsApp, Google Analytics 4, Stripe/PayPal Readiness
Business Impact

The platform established two connected commercial journeys: customers could either browse registrations already available or request an ideal plate and receive an indicative valuation.

  • Registrations, availability, and enquiries managed centrally
  • Buyers captured even without an exact inventory match
  • Reduced manual interpretation of early-stage requests
  • Indicative pricing available outside normal working hours
  • Vague preferences converted into structured sales opportunities
  • Demand intelligence collected around popular names and combinations
  • A scalable foundation for inventory and recommendation growth
Metrics
2Purchase Journeys
24/7Price Estimates
6+Valuation Signals
100%Structured Enquiries

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