Scale your tax practicewith AI-powered automation
Deliver nexus studies, VDAs, audit defense, and more to your clients — faster, with built-in best practices and white-labeled deliverables.
Everything you need to servemore clients, more efficiently
Nexus Studies & Analysis
Comprehensive multistate nexus analysis in minutes, not days.
- All 50 states + DC analyzed simultaneously
- Economic and physical nexus thresholds
- Professional client deliverables
Product Taxability
Automated taxability determination across all jurisdictions.
- 2000+ product tax codes
- Multi-state taxability matrices
- Regular updates for law changes
VDA Management
Streamline voluntary disclosure from start to finish.
- State-specific VDA packages
- Lookback period calculations
- Automated state deliverables
Audit Defense
Comprehensive audit analysis and risk identification.
- Line-level transaction review
- Risk area identification
- Audit trail documentation
Return Summaries
Automated return preparation across all jurisdictions.
- Multi-state return summaries
- Deadline tracking & alerts
- Export-ready formats
Client Deliverables
White-labeled reports that showcase your expertise.
- Your branding, your reports
- State-compliant formats
- Executive summaries & workpapers
How it works
From data to deliverable in three steps.
Import client data
Upload CSV, Excel, or connect via API. Your client data is ready in minutes.
Run AI-powered analysis
Nexus studies, taxability, VDAs, audit defense — all automated with built-in best practices.
Deliver to your clients
Generate white-labeled reports and state deliverables, ready to send.
Ready to scale yourtax practice?
See how L3i helps advisory firms deliver more value to more clients.