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AI for sales tax compliance

SALT compliance is still manual. L3i changes that.

AI does the work on nexus, VDAs, taxability, audit defense, and filings — with your team in the loop on every call that matters. Built for advisory firms.

Covering every jurisdiction

50+States
2,000+Codes
24/7Access
99.9%Uptime

Platform Highlights

A few of the things we automate.

Six of the capabilities advisors use most. There's plenty more inside the platform.

Nexus studies — threshold tests

Automatically maps client nexus across every state in minutes. Economic and physical thresholds tracked in real time with alerts the moment a client crosses.

  • All 50 states + DC analyzed simultaneously
  • Economic + physical nexus thresholds
  • Real-time threshold-crossing alerts
40+ hrssaved

per multi-state nexus study vs. manual analysis

Learn more

Plus much more — workflows, integrations, and AI tooling built for SALT.

Explore the full platform

How it works

From client data to audit-ready deliverable — in three steps.

STEP 01

Connect your data

Upload CSV, Excel, or pipe in via API. We meet your data where it lives.

STEP 02

AI runs the work

Nexus, taxability, exposure, and audit prep — analyzed in minutes, not weeks.

STEP 03

Review & deliver

Your team reviews the AI’s work, then exports audit-ready, white-labeled reports with your firm’s branding.

Built for Advisory Firms

Everything your practice needs.

Fast implementation

Live in minutes. Not months.

Enterprise security

SOC 2 compliant infrastructure.

Team collaboration

Unlimited members across your firm.

Audit-ready

Documentation generated from day one.

See the platform in action.

30 minutes. Tailored to your practice.

For businesses

Need a tax provider? We'll match you with a partner firm.

Find an advisor