Vantabooks

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Vantabooks is a fully built, production-ready SaaS accounting platform for US-based small and medium businesses — a direct QuickBooks rival with AI-driven categorisation, real-time tax readiness, and a 30-day free trial baked in from day one.What you're getting:A complete full-stack product with two surfaces: a content-rich public marketing site and a gated private app, both built on a clean, well-documented codebase (Vite + React + TypeScript frontend, Express + TypeScript backend, Drizzle ORM, PostgreSQL, Better Auth, Cloudflare R2, Resend, Stripe).The private app includes 11 modules:— Dashboard: live KPI cards (revenue, expenses, net profit, cash balance), a 12-month cash flow chart, recent transactions, upcoming invoice due dates, and a daily AI-generated financial insight powered by OpenAI GPT-4o— Invoicing: full invoice editor with line items, tax, discounts, and client branding — send via email, auto-remind at custom intervals, generate PDFs stored in Cloudflare R2, log payments, and set up recurring invoices— Expenses: receipt upload with OpenAI Vision auto-extraction (vendor, date, total, category), bulk CSV bank import with column mapping, category rules engine, and IRS mileage tracker— Bank Accounts & Transactions: manual CSV import from any bank, automated matching engine against invoices and expenses, OpenAI-assisted categorisation with confidence scores, and formal reconciliation by period— Reports: P&L, Balance Sheet, Cash Flow, AR Aging, AP Aging, Expense by Category, Revenue by Client, Sales Tax Summary, 1099 Contractor Report, and a drag-and-drop Custom Report Builder (Business plan) — all exportable as PDF or CSV— Tax Center: IRS estimated tax calculator with quarterly payment amounts, a full US tax deadline calendar, OpenAI-powered deduction finder, and a one-click CPA export package (ZIP of P&L, Balance Sheet, transactions, and receipts)— Payroll & Contractors: contractor list with encrypted EIN/SSN storage, payment logging, automatic $600 threshold flagging, and 1099-NEC summary report export— Contacts: unified client and vendor list with full transaction history, quick-create from invoice or expense, and CSV import— Document Vault: all receipts, invoice PDFs, bank statements, and CPA exports stored in Cloudflare R2, organised by year and type, with in-browser preview— AI Assistant: a full streaming chat interface powered by GPT-4o with real-time financial context injection — users ask plain-English questions about their own business data and get accurate, context-aware answers— Settings: profile, business details, billing management, team roles (Owner, Admin, Editor, Viewer, Accountant), notification preferences, integrations placeholder, and full data export/deletionThe public site includes 13 pages:Homepage, Features (with deep-dive feature panels and competitor comparison table), Pricing (three-tier with annual/monthly toggle and feature matrix), AI Features, Industries (8 industry sub-pages: Freelancers, Restaurants, Retail, Contractors, Law Firms, Nonprofits, E-Commerce, Healthcare), Compare (4 competitor pages: QuickBooks, FreshBooks, Wave, Xero), Blog (searchable, filterable, with individual post pages), Help Center (searchable, with article pages and voting), About, Changelog (with RSS), Security, Accountants & Affiliates (with referral programme), and Contact — plus Privacy Policy, Terms of Service, and Cookie Policy.Monetisation is live and structured:Three-tier Stripe subscription model (Starter at $15/mo, Pro at $39/mo, Business at $79/mo — all with annual discount options). 30-day free trial on every plan with no credit card required at signup — trial state is managed server-side in PostgreSQL, not via Stripe. Stripe Checkout handles all initial payments. Stripe Customer Portal handles upgrades, downgrades, and cancellations. Webhooks update subscription state automatically. A 7-day grace period applies on payment failure before access is restricted.What's included in the sale:Full source code delivered as a zip file and GitHub repository transfer, covering the complete Vantabooks codebase — public marketing site, private application, all API routes, database schema, email templates, and the integration expansion layer (Stripe Connect, Square, PayPal, Plaid, and QuickBooks Online migration tool).Domain transfer via Namecheap or equivalent registrar. A signed IP Transfer & General Exclusivity Agreement protecting the buyer's ownership of the codebase, product name, and all associated intellectual property.A comprehensive ReadMe configuration file covering every environment variable, third-party API setup (Stripe, OpenAI, Resend, Cloudflare R2, Plaid, Square, PayPal, QuickBooks), database initialisation, and step-by-step deployment instructions for the recommended Coolify/Nixpacks stack. There is no hosting to transfer — the buyer deploys to their infrastructure of choice.All five development plan documents produced for this project, covering the full product specification, QA checklist, and integration expansion plan — giving the buyer a complete technical roadmap they can hand directly to any developer.A complimentary onboarding call during the Escrow inspection period — we'll join a live video call with the buyer and their developer, walk through the codebase, answer any technical questions, and help get the application fully configured and running in their environment. This call is included at no additional cost and is there to ensure the buyer feels completely confident before the transaction closes.Post-sale email support for 14 days after closing — any configuration questions or setup queries answered within one business day.Ideal for: A developer or entrepreneur looking to enter the US fintech/accounting SaaS space with a polished, production-ready product and a clear monetisation path. The target audience — US sole traders, SMB owners, freelancers, and their accountants — is enormous, underserved by overpriced incumbents, and actively searching for a smarter alternative.