Connect the Work Your Attorneys Do to the Cash Your Firm Can Count On.
LeanLaw is a cloud-based web app — nothing to download, nothing to install. Find us in the QuickBooks App Store, schedule a demo, or log in and start billing today.
Already a customer? Log in to LeanLaw →
1,000+
law firms run on LeanLaw
70%
faster invoice collections
$61K
leaked revenue recovered per attorney each year
20–50×
ROI for a typical 10-attorney firm
Get LeanLaw the Way That Works for Your Firm.
LeanLaw is a cloud-based web app — no download, no install, no IT department required. Pick your path and be billing in days.
QuickBooks Online App Store
Find LeanLaw directly in the QBO App Store. Rated #1 among legal billing apps, with QuickBooks Online Premium App Partner status. Connect to your existing QBO account in minutes.
- Subscribe directly through Intuit
- Instant two-way sync with your QBO account
- Highest-rated legal app on the platform
Schedule a Demo
See LeanLaw in action with a guided demo tailored to your firm size and billing model. Talk to a legal billing expert who can map LeanLaw to your current workflow.
- Live walkthrough with a billing expert
- See your specific use case (hourly, flat-fee, contingency)
- Get pricing and a migration plan
Watch an On-Demand Demo
Prefer to explore on your own schedule? Watch a recorded walkthrough of LeanLaw at your own pace — then reach out when you're ready to start.
- No scheduling required
- See billing, trust accounting, and reporting
- Available any time, any device
Nothing to Download. Everything in the Browser.
LeanLaw lives in the cloud. Log in from any browser — Chrome, Safari, Edge — on any device. Your entire firm can be up and running without touching a single server, installer, or IT ticket.
Attorneys enter time from anywhere. Billing staff run invoices from the office or home. Bookkeepers reconcile trust accounts without waiting for exports. Every change syncs live to QuickBooks Online.
- Access from any device — Desktop, laptop, or tablet — LeanLaw works wherever you work.
- Real-time QuickBooks sync — Every invoice, payment, and trust transaction posts to QBO the moment it happens.
- Role-based access — Attorneys, billing staff, and bookkeepers each see exactly what they need.
- No IT required — Cloud-hosted, automatically updated, and encrypted in transit and at rest.
"We've used LeanLaw for a year and a half and we're able to invoice our clients within two to three days, versus 10 or 12 — quickly and electronically, and they pay us faster, which increases our cash flow."
Alicia Wood, Firm Administrator
Burkhalter Law
Up and Running in Days, Not Months.
Every LeanLaw subscription includes guided onboarding with a dedicated specialist. We migrate your client and matter data, transfer your trust balances, and train your team — so you hit the ground billing from day one.
Setup & Data
Connect LeanLaw to QuickBooks Online, train your team, and migrate client and matter data seamlessly. Your dedicated onboarding specialist handles the configuration.
Invoice and Reporting
Transfer A/R and trust balances, migrate WIP data, and start invoicing with LeanLaw while entering time efficiently. Your first invoice goes out this week.
Institutionalization
Create advanced dashboards for firm stakeholders and achieve mastery in invoicing and reporting. LeanLaw becomes the financial backbone your firm runs on.
Outstanding Customer Support
Every LeanLaw customer gets a dedicated onboarding specialist, live chat support, and access to our legal billing experts. We do not disappear after you sign up.
Explore Support Resources
Rated #1 Legal Billing App in the QuickBooks Online App Store.
If your firm already uses QuickBooks Online, getting LeanLaw is as easy as finding us in the QBO App Store and clicking subscribe. We hold QuickBooks Online Premium App Partner status — the highest tier of integration certification from Intuit.
The two-way integration connects automatically: every invoice, payment, and trust transaction flows between LeanLaw and QuickBooks in real time. No manual exports. No reconciliation headaches.
- Subscribe directly through the QuickBooks App Store
- Two-way sync activates instantly on connect
- QuickBooks Online Premium App Partner — highest Intuit certification
- Trusted by 1,000+ law firms running on QuickBooks
Real Firms. Real Results.
Trusted by global legal teams — from solo practitioners to 50-attorney firms.
"Tracking payments to specific matters was a nightmare before LeanLaw. Now everything syncs to QuickBooks automatically. We see invoices paid 70% faster."
Amanda Coughlan, Billing Coordinator
Zahn Law Group
"We've used LeanLaw for a year and a half and we're able to invoice our clients within two to three days, versus 10 or 12 — quickly and electronically, and they pay us faster, which increases our cash flow."
Alicia Wood, Firm Administrator
Burkhalter Law
"When I saw LeanLaw and showed it to our most techy attorney, his eyes lit up and we jumped in. LeanLaw customer support has been outstanding."
Tammy Kayati, Bookkeeper
Barros, McNamara, Malkiewicz & Taylor
1,000+
law firms run on LeanLaw
70%
faster invoice collections
$61K
leaked revenue recovered per attorney each year
20–50×
ROI for a typical 10-attorney firm
Getting Started with LeanLaw — Your Questions Answered.
How do I get LeanLaw?
You can get LeanLaw by scheduling a demo at leanlaw.co/demo/, or by finding LeanLaw in the QuickBooks Online App Store and starting a subscription. LeanLaw works as a web app — no download required — and connects to your existing QuickBooks Online account.
Is LeanLaw on the QuickBooks App Store?
Yes. LeanLaw is the #1-rated legal billing app in the QuickBooks Online App Store and holds QuickBooks Online Premium App Partner status — the highest tier of integration certification from Intuit. You can find and subscribe to LeanLaw directly through the QBO App Store.
How long does LeanLaw onboarding take?
Most firms are fully up and running in days, not months. LeanLaw includes three-phase guided onboarding: setup and data migration, invoicing and trust balance transfer, and advanced reporting mastery — all with a dedicated onboarding specialist.
Do I need to download anything to use LeanLaw?
No. LeanLaw is a cloud-based web app. There is nothing to install or download. Log in from any browser on any device — desktop, laptop, or tablet — and access your matters, billing, and reports instantly.
What happens to my existing data when I switch to LeanLaw?
LeanLaw includes dedicated migration support. Your client and matter data, existing A/R balances, WIP, and trust balances all transfer as part of the onboarding process. Your onboarding specialist handles the migration so nothing falls through the cracks.