Skip to content
    HAQQ
    • Pricing
    Sign up for free
    Sign up for freeBook a Demo
    Log in
    1. Solutions
    2. Solutions by Use Case
    3. Tax Law
    eFirmChat

    HAQQ FOR TAX

    Tax law without the research hours

    Regulations, opinions, filings — AI that knows tax law across jurisdictions.

    Start FreeSee It In Action
    Tax Research

    AI-powered analysis

    847
    Matters Handled
    23
    Jurisdictions
    75%
    Time Saved
    15,000+ law firms100,000+ people80+ countriesLegal AI ChateFirm
    The bottleneck

    What's slowing you down

    Tax law changes annually

    Every budget brings new rules.

    Cross-border tax complexity

    Treaties, withholding, PE — intricate.

    Client tax opinions expensive to write

    Every opinion is hours of research.

    Audit defense documentation heavy

    Every deduction defended with paper.

    Digital services taxes emerging

    DSTs changing fast, jurisdiction by jurisdiction.

    What HAQQ does about it

    How HAQQ solves it

    Current tax law

    HAQQ updates as rules change.

    Cross-border tax support

    Treaties, PE, withholding — covered.

    AI-assisted tax opinions

    Draft and refine opinions faster.

    Audit prep automation

    Documentation compiled continuously.

    DST tracking

    New digital services taxes monitored globally.

    The toolkit

    Every tax workflow

    Legal Research

    Research case law, statutes, and regulations in seconds. AI that reads and synthesizes legal sources for you.

    AI Legal Assistant

    An AI assistant trained specifically for legal work. Research, draft, and analyze with an AI that understands law.

    Document Extraction

    Pull out key terms, dates, parties, and obligations from any document. Data extraction at scale.

    Contract Review

    Review contracts in minutes, not hours. AI that spots issues, flags risks, and suggests improvements.

    From question to cited answer

    How tax law works with HAQQ

    1

    Scope the question

    Domestic, cross-border, treaty.

    2

    Research the law

    Current rules, cases, guidance.

    3

    Draft the opinion

    AI drafts. Tax counsel refines.

    4

    Defend on audit

    Documentation archived continuously.

    5

    Monitor changes

    New rules flagged as published.

    Compare

    Not sure which one fits?

    eFirmChat

    AI for Tax Law

    Regulations, opinions, filings — AI that knows tax law across jurisdictions.

    eFirm

    HAQQ for Compliance Officers

    KYC, policy tracking, and regulatory monitoring — automated.

    eFirm

    HAQQ for In-house Counsel

    Contracts, compliance, and risk — one AI platform for your business.

    FAQ

    Does HAQQ file tax returns?

    No — HAQQ is legal, not accounting. Tax prep is separate.

    Transfer pricing

    Transfer pricing analysis supported, documentation drafts included.

    Tax planning

    Legal aspects yes — pure planning should include tax advisors.

    Sales and use tax

    Supported for jurisdictions where HAQQ has coverage.

    Next

    Related solutions

    Solutions by Use Case
    eFirm

    AI Regulatory Compliance

    A new data-protection rule drops and the GC wants to know what changes by Friday. HAQQ reads the regulation, maps it to what your business actually does, and drafts a cited compliance memo — instead of a week of manual reading.

    See the workflow
    Solutions by Role
    eFirm

    HAQQ for In-house Counsel

    Contracts, compliance, and risk — one AI platform for your business.

    See the workflow
    Solutions for You
    MobileChateFirm

    HAQQ for Business Owners

    Contracts, compliance, disputes — AI that runs your legal work.

    Get answers
    Keep exploring

    Browse other solutions

    By roleFeaturesBy firm sizeBy countryBy cityFor individualsSpecialized

    Join 15,000+ law firms using HAQQ

    Private, cited legal AI across chat, mobile, and eFirm.

    Start FreeSee It In Action
    SOC 2 controlsPrivate by designMulti-jurisdiction

    Legal AI for Everyone

    HAQQ enables anyone to draft, research, review and manage legal work.

    HAQQ across all devices
    HAQQ Legal AI Platform Logo

    Your Legal AI Twin & Practice Management System for drafting, billing, and winning.

    Download on theApp StoreGet it onGoogle Play

    Product

    • HAQQ Legal AI Chat
    • HAQQ eFirm
    • Justinian AI Engine
    • Enterprise
    • Mobile App
    • HAQQ eBar
    • HAQQ eWallet
    • Compare Us
    • Pricing
    • ROI Calculator
    • Security

    Free Tools

    • Free Tools
    • Legal Fee Calculator
    • Billable Hours Calculator
    • Legal Citation Formatter
    • Legal Terms Glossary
    • NDA Generator
    • Contract Clause Checker
    • Privacy Policy Generator
    • GDPR Compliance Checklist

    Resources

    • Blog
    • Legal AI Ontology
    • Legal AI Index
    • Learn Legal with AI
    • Prompt Library
    • Legal AI Skills
    • The Litigation Game
    • Clause Library
    • Document Library
    • Students
    • Startup Program
    • VC Program
    • Partnership
    • Press & Events
    • HAQQ Academy
    • Changelog
    • Status
    • FAQ
    • Contact
    • Support

    Company

    • Meet the Team
    • Careers
    • Solutions
    • Resources

    Solutions Directory

    • All Solutions
    • By Role
    • For You
    • By Use Case
    • By Feature
    • By Firm Size
    • By Country
    • By City
    • Specialized

    From the blog

    • Claude for Word launched. Here's what lawyers actually need to know.
    • Docling Python: A Practical Guide to Processing Files in 2026
    • Claude Didn't Kill Legal Tech. It Exposed the Weak Layer.
    • Benchmark report: best AI for legal work
    • View all articles

    Legal

    • Terms of Service
    • Privacy Policy
    • Cookie Policy
    • Data Processing
    • Localesar en fr es it de pt
    • Contactinfo@haqq.ai
    • Statusoperational·grounded
    HAQQ Legal AI

    Built for everyone with a legal question

    Legal AI accessible for everyone, in 80+ countries and 7 languages.

    © 2026 HAQQ Inc. All rights reserved.Product engineered in-house by HAQQ. Website built with modern web tools.
    humans.txt·lawyers.txt·security.txt
    Share Purchase AgreementShare Purchase Agreement5.2 Tax IndemnificationCompany for any period ending onor before the Closing Date thatrelate to any period and Date.shall not exceed the EscrowARead the document and makethe tax clauses more buyer friendlySPA_Section_Motion.docxEdit suggestions3 available1Tax Indemnification CoverageAdded indemnification coverage forpre-closing taxes and related items.DismissApply2Tax Exception Addition3Tax Indemnification Expansion
    Review ProgressUpdated 2m agoVista TechOVERALL COMPLETION72%BY PRACTICE AREA4Corporate24 / 24 contracts100%Employment13 / 20 contracts65%Real Estate0 / 16 contracts0%IP & Technology0 / 12 contracts0%RMA3 reviewers active
    Summarize Document with ConditionsFile uploadOutputfile_uploadPromptOutputmodel_responseConditionalOutputbranchIf matchElse