Proof of ConceptThis platform is under active development — features shown are for demonstration purposes.

AI-Powered Tax Advisory

Big 4 Quality Tax Memorandums in Minutes

Generate professional international tax memorandums with always-current legislation, mandatory citations, and bi-temporal accuracy across 30+ jurisdictions.

meridian.tax
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Art. 5 OECDNL–DE Treaty

Built on globally recognized standards

OECD GuidelinesIBFDBig 4 Standard30+ JurisdictionsEU Compliant

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Document & Chat

Upload facts, ask questions, get instant answers

Art. 5OECD

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AI Analysis

Treaty articles, case law, and OECD commentary cited

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Med
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Compliance Score

Risk assessment across all jurisdictions involved

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Memo Editor

Big 4 formatted output with footnotes and citations

Why Choose Meridian?

Built for International Tax Professionals

Secured Always

Enterprise-grade encryption powered by SOC 2 Type II compliant providers, with GDPR readiness built in. Your client data stays confidential and protected at every step.

Enterprise Ready

Multi-user workspaces, role-based access, audit trails, and SSO integration. Designed for teams of any size with full administrative control.

Elevated Quality

Every memorandum traces to authoritative sources — treaty articles, case law holdings, OECD commentary. Zero tolerance for unsubstantiated conclusions.

AI Features

Purpose-Built for Tax

Three capabilities designed specifically for the precision demands of international tax advisory work.

AI Tax Assistant

Ask complex cross-border tax questions in natural language. Get answers grounded in current treaties, domestic legislation, and case law — with every source cited.

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Memo Generation

Generate Big 4-formatted memorandums with facts, analysis, conclusion, and recommendations. PE analyses, withholding tax, IP structuring, and Pillar 2 impact.

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Legislative Monitoring

31+ authoritative sources monitored continuously. Treaty changes, domestic law amendments, and new case law automatically integrated into your analysis database.

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Technology

Purpose-Built Technology

Engineered specifically for the precision demands of international tax advisory work.

Bi-Temporal Architecture

Automatically applies the correct version of law for any tax year, while tracking when advice was given. Never confuse historical law with current law — every memorandum is temporally accurate.

Live Legislative Monitoring

31+ authoritative sources monitored continuously. Treaty changes, domestic law amendments, and new case law automatically integrated into your analysis database.

Sources

NLDEUKUSLUCHIE+24
Automated Pipeline

Daily sync • Change detection

Your Database

Always current

Process

From Facts to Final Memorandum

A rigorous four-step process that maintains the analytical standards of leading tax practices.

Input Facts

Enter the client scenario, jurisdictions involved, and specific tax questions to be addressed.

AI Analyzes Legislation

Our engine searches current treaties, domestic law, case law, and OECD commentary relevant to your facts.

Citations Verified

Every conclusion is traced to its source — treaty articles, case names, dates. Nothing is unsubstantiated.

Professional Memorandum

Receive a Big 4-formatted memorandum with facts, analysis, conclusion, and recommendations — ready for client delivery.

Get Started

Ready to Transform Your Tax Practice?

Join forward-thinking tax advisors using AI to deliver faster, more accurate international tax memorandums.