Book Clients, Send Estimates & Get Paid Faster
Stop creating manual Word/Excel invoices and playing phone tag to schedule meetings. OzoneBill combines 1-click Estimates, automated Cloud Invoicing, and self-service Appointment Booking into a single, easy-to-use workspace.
Three Essential Business Tools in One Cloud App
From the first appointment a prospect books with you, to the estimate they approve, to the final invoice they pay—OzoneBill automates the entire client lifecycle.
Smart Cloud Invoicing
Generate polished, branded tax invoices in under 30 seconds. Send downloadable PDF invoices or interactive web payment links via WhatsApp and email with automated overdue reminders.
- Recurring Invoices for monthly retainers & subscriptions
- Multi-currency support (PKR, USD, GBP, AED, SAR) & custom tax/GST rules
- Partial payments, discount codes, late fees & instant payment receipts
Interactive Estimates & Quotes
Send clear, itemized project estimates and quotations that clients can review on their phone and approve with a single click—instantly converting into an active invoice without retyping a single line.
- 1-Click Estimate-to-Invoice conversion with zero duplicate data entry
- Track when a client opens, views, accepts, or requests changes to a quote
- Pre-saved item & service catalog for rapid proposal building
Appointment Booking System
Let clients book consultations, clinic visits, service calls, or demos based on your real-time availability. Eliminate double-bookings and reduce no-shows with automated reminders.
- Embeddable Booking Calendar for your website or shareable WhatsApp link
- Custom working hours, buffer times, staff assignment & holiday blocks
- Automated email & WhatsApp booking confirmations and reminders
How OzoneBill Connects Your Entire Client Journey
Client Books Appointment
A prospect selects an open time slot on your booking link; both of you receive instant calendar invites.
You Send an Estimate
After the meeting, select your services from the catalog and dispatch a branded quotation via WhatsApp or email.
1-Click Invoice Conversion
The moment the client approves the estimate, it converts into an official tax invoice with due-date tracking.
Automated Revenue Reports
Track paid vs. unpaid receivables, expenses, and monthly cash flow from your live financial dashboard.
See OzoneBill in Action With a Free Demo.
Ideal for agencies, consultants, clinics, contractors, law firms, and service businesses in Pakistan and worldwide. Contact our Karachi team to activate your workspace.