ZAM - Market Sizing & Venture Analysis Tool

ZAM helps founders and investors map markets and size opportunities with the precision of a VC. Input your venture details through a guided wizard, and get AI powered TAM/SAM/SOM analysis with actionable insights.

Features

• Guided Analysis Wizard - 4-step wizard to capture product, target market, go-to-market, and competitive context
• TAM/SAM/SOM Calculation - Automated market sizing using industry benchmarks and intelligent heuristics
• AI-Powered Insights - Google Gemini integration for executive summaries, market drivers, risks, and sanity checks
• Venture Portfolio - Save, view, and manage multiple market analyses
• Pitch Deck Charts - Export-ready visualizations for presentations
• Real-time Fine-tuning - Adjust assumptions and see instant recalculations

Tech Stack

• Frontend: React 18, Vite
• Backend: Express.js, Node.js
• Database: MongoDB (Mongoose ODM)
• AI: Google Generative AI (Gemini)
• Deployment: Vercel

Getting Started

Prerequisites

• Node.js 18+
• MongoDB (local or Atlas)
• Google Generative AI API key

Installation

1. Clone the repository

   git clone https://github.com/yourusername/zam.git
   cd zam

2. Install dependencies

   npm install

3. Configure environment variables

   Create a .env file in the root directory:

4. Seed the database (optional - loads industry benchmarks)

   npm run seed

5. Start development servers

   npm run dev:all

   This runs both the Vite frontend (http://localhost:5173) and Express backend (http://localhost:5001) concurrently.

Individual Commands

Command	Description
npm run dev	Start frontend only
npm run server	Start backend only
npm run dev:all	Start both frontend and backend
npm run build	Build for production
npm run seed	Seed database with reference data
npm run lint	Run ESLint

Project Structure

├── public/              # Static assets
├── server/              # Express backend
│   ├── middleware/      # Rate limiting, etc.
│   ├── models/          # Mongoose schemas
│   ├── routes/          # API endpoints
│   └── seed/            # Database seed data
├── src/                 # React frontend
│   ├── components/      # UI components
│   │   └── wizard/      # Analysis wizard steps
│   ├── services/        # API & business logic
│   └── data/            # Static reference data
└── vercel.json          # Vercel deployment config

How Market Sizing Works

ZAM uses a top-down approach:

1. TAM (Total Addressable Market) - Total potential customers × Average contract value
2. SAM (Serviceable Available Market) - TAM filtered by geography, segment, and reach (~25%)
3. SOM (Serviceable Obtainable Market) - Realistic capture based on market share target (~2%)

The calculation engine factors in:

• Customer type (B2B vs B2C)
• Geographic reach
• Company size targets
• Industry benchmarks
• Pricing model