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LeanLaw

Legal billing and trust accounting on QuickBooks Online, with ClerkAI answering billing and revenue questions in plain language and a Billables AI time-entry integration.

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What the AI doesClerkAI, Billables AI integration, Agent-ready API with MCP layer
Who it servesSolo attorneys, Small law firms
Starting price$55/user/mo (Core); Pro $75/user/mo; Elite and Contingency custom; QuickBooks Online required, priced separately
Pricing modelPer user/month
Free trialYes
Best fitSolo attorney, Small firm
CategoryBilling, Timekeeping & Trust Accounting with AI
Works withClio, MyCase, QuickBooks Online, NetDocuments, Billables AI, LeanLaw API
ConfidentialityNot posted on the vendor's site.
Checked2026-10-31, against the vendor's own page

Who it's for

LeanLaw is listed as a fit for solo attorneys and small firms, and the vendor names solo attorneys and small law firms on its own site. The job it gets hired for: capturing the time, writing the narratives, reviewing the bill and keeping the trust account reconciled.

What it costs

LeanLaw starts at $55/user/mo (Core); Pro $75/user/mo; Elite and Contingency custom; QuickBooks Online required, priced separately, per user/month. There is a free trial.

Good to know

LeanLaw is legal billing and trust accounting built on QuickBooks Online, with ClerkAI answering billing and revenue questions in plain language and a Billables AI integration that drafts time entries for attorney review. Core is posted at $55 per user per month with a 7-day free trial, and the vendor lists Clio and MyCase integrations.

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