Interbill
Online legal billing software trusted by attorneys for over 50 years
Founded
1972
Starting Price
48
Category
Invoicing & Billing
Last updated March 16, 2026
About Interbill
Interbill is a cloud-based legal billing and practice management platform designed for attorneys and law firms. It streamlines time and cost tracking, trust account management, and professional billing statement generation. With over 53 years of service and 3 billion billing entries processed, Interbill offers a reliable, U.S.-based solution with 5-minute customer support response times.
Pros & Cons
Pros
- 53+ years of proven reliability with 3 billion entries processed
- U.S.-based support with 5-minute response times during business hours
- Transparent per-user pricing with no data storage fees
- Comprehensive trust/retainer account management for IOLTA compliance
- Mobile app for on-the-go time entry
Key Features
Time & Cost Tracking
Track billable hours and expenses with easy entry for attorneys and paralegals
Trust & Retainer Management
Manage IOLTA trust accounts and retainer balances with automatic reconciliation and reporting
Professional Billing Statements
Generate customizable billing statements with firm logo, email delivery, and multiple formats
Client Calendaring
Integrated calendars with automatic email reminders for tasks and events that auto-generate fee charges
General Ledger
Built-in G/L system for solo practitioners including income tax reporting figures
Installment Billing
Set up payment plans and evergreen retainer billing for flexible client payment options
Mobile App
Enter time and manage billing on the go with the Interbill mobile application
Pricing
Attorney
48/user/month
- Full time & cost tracking
- Trust account management
- Professional billing statements
- Calendaring with reminders
- Financial reporting
Best For
Solo Attorney Practice
Manage all billing, time tracking, and trust accounts for a solo law practice with built-in G/L
Small Law Firm Billing
Standardize billing across multiple attorneys with consistent statement formats and shared calendaring
Trust Account Compliance
Maintain IOLTA trust account records with automatic reconciliation and audit-ready reporting
Remote Legal Work
Track time and manage billing from anywhere using the mobile app and cloud-based platform
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