Run Both Sides of Your Business Money
WilBill is invoicing software that also tracks what you owe - invoices, estimates, vendor bills, purchase orders, and inventory in one unified ledger.
Most Invoicing Tools Only Do Half Your Job
You send invoices and chase payment. But what about the materials you bought, the subcontractors you owe, or subscriptions eating your margin? Traditional tools ignore money going out of your business.
Everything WilBill Does
One platform replacing four disconnected finance tools.
Get Paid Faster with Instant Invoicing
Send clean, multi-currency invoices with embedded online payment options. Auto-reconcile paid invoices directly into your ledger.
Know What You Owe (Accounts Payable)
Track vendor bills and purchase orders alongside receivables. Due date alerts keep your cash flow predictable and vendors happy.
Proposals & E-Signatures with Audit Trails
Build multi-section estimates and agreements, capture e-signatures, and auto-convert approved proposals straight into invoices.
Integrated Project Time Tracking
Track unbilled hours against projects and client retainers, then convert logged time into detailed invoice line items in one click.
Persistent Client Portal Access
Provide your customers a dedicated portal to access shared invoices, download statements, and complete payments anytime.
Stock-Aware Inventory & PO Receiving
Stock decrements automatically as invoices are issued and increments when vendor POs are received, with low-stock alerts.
No AI Chatbot. No "Copilot." Just Tools That Work.
We made a deliberate product choice: WilBill has no conversational AI assistant reading your financial data or taking autonomous actions on your ledger. Everything in WilBill is deterministic, predictable, and fully under your direct control.
Built for Businesses That Buy and Sell
Select your business model to see how WilBill streamlines your daily operations.
Get paid faster with online payments, give clients a portal instead of email threads.
WilBill vs. Typical Invoicing Software
See why freelancers and small teams switch to a dual-sided ledger.
| Feature | Typical Invoicing Tool | WilBill |
|---|---|---|
| Send invoices | ||
| Collect payments online | Sometimes | |
| Track what you owe vendors | ||
| Purchase orders | ||
| Inventory tracking | ||
| Client portal (persistent login) | Rarely | |
| Proposal + e-signature | Rarely | |
| Expense approval workflows | ||
| Cash flow forecasting (AR + AP combined) | ||
| Conversational AI assistant | Increasingly common | Deliberately not included |
Frequently Asked Questions
Everything you need to know about WilBill's features and setup.