AI tax software companies

Intuit DIY online/desktop tax software with Expert Assist, Expert Full Service, and AI-Powered Intuit Assist Q&A for US and Canada consumers from simple 1040 to self-employed, investments, and rentals.

Full-spectrum consumer tax brand: DIY online software, DIY plus pro review, and full-service in-office/virtual prep, plus related banking/refund products across US, Canada, and Australia.

Enterprise end-to-end tax and compliance platform spanning sales/use tax, VAT, cross-border duty/customs, property, communications, lodging, excise, managed returns, e-invoicing, and exemption certificates.

Global cloud accounting platform for small businesses and accountants/bookkeepers, with Xero Tax lodgment modules strongest in AU, NZ, and UK.

US DIY online tax software (Free / Deluxe / Premier / Self-employed) plus Xpert Assist and Xpert Full Service for filers seeking lower-cost DIY or expert help.

US DIY online tax software (Simply Free, Classic, Premium, Self-Employed, Military) plus pro products, from simple W-2 to self-employed and military filers.

Modern US tax platform combining AI and human accountants for freelancers, S-Corps, rentals, and investments: write-off detection, e-file, year-round support; IRS authorized e-File Provider.

DIY crypto tax reports (“in under 20 minutes” marketing) with free portfolio preview — pay per tax year to download; DeFi, transfer matching, and specialised reports for multiple countries.

German mobile/web tax app: DIY Basic (Q&A → ELSTER) and Expert (independent tax advisors), with expanding self-employed coverage; developed and designed in Berlin.

Enterprise Decision-to-Defense™ indirect tax and compliance suite — determination, e-invoicing, reporting, filing, content, and audit readiness — trusted by large global tax departments.

Crypto tax and portfolio software syncing wallets/exchanges for capital gains/income, tax-loss harvesting, and e-file integrations with TurboTax and H&R Block; official Coinbase partner.

AI plus CPA tax filing for freelancers, self-employed, and 1099 & W-2: AI finds deductions and builds the return; dedicated CPA reviews and files federal and state; quarterly estimator and audit insurance claims.

Embedded B2B tax platform for fintechs, banks, and wealth apps: white-label filing (self-serve and professionally prepared), tax planning, and tax-data APIs for US federal and state.

AI-native tax “operating system” for firms — research, Tax Writer, document analysis, Client Intelligence, Agent Andrew review, and TaxGPT Cowork agentic workflows (US firms).

Accountant plus tax automation for sole traders: income paid into Hnry Account; auto-calculates, deducts, and pays tax; files returns; expenses, invoices, Mastercard, mileage app.

German tax software (desktop/web/mobile) by Buhl Data Service GmbH: ELSTER filing, auto-fill, refund calc, and SteuerGPT KI advisor; claims 6M+ WISO Steuer users.

Tax, audit, and accounting software/research franchise (UltraTax CS, Checkpoint, ONESOURCE) with **CoCounsel Tax** as the professional AI assistant layered on Checkpoint — not an AI-native startup.

CCH Axcess cloud tax/audit/firm platform and CCH AnswerConnect research, with **Expert AI** / **CCH Axcess Intelligence** embedding conversational research in workflow — incumbent stack, not AI-native.

Practitioner tax research, news, provision, workpapers, and fixed-assets suite from Bloomberg Industry Group, with AI research layer (Bloomberg Tax Answers + AI Assistant) on Tax Management Portfolios and primary law.

DIY crypto tax reports plus optional expert “Done For You,” with Form 8949 / capital-gains / audit-trail downloads and official TurboTax partnership.

Enterprise and government digital-asset tax/compliance infrastructure — **consumer DIY crypto-tax product discontinued** (official Sep 2023) in favor of enterprise tax & accounting and public-sector solutions.

Generative AI tax research delivering cited, defensible answers powered by primary law plus Tax Notes and IBFD content partnerships — AI-native (✦) for practitioners from solos to national firms.

AI platform for global indirect tax — tax ID validation, determination engine, e-invoicing, multi-country tax returns, and legislation knowledge — aimed at digital-economy businesses.

End-to-end global sales tax / VAT / GST compliance for modern commerce — nexus monitoring, registration, calculation, filing, remittance, reconciliation, and exemption certificates.

“Solo HQ” for US businesses-of-one: LLC/S-Corp setup, banking, bookkeeping, payroll, tax set-aside and filing, healthcare and Solo 401k access, with AI assistant LettuceHead.

UK Self Assessment prepared and filed by accredited accountants via online intake; Accuracy Guarantee; MTD software for landlords/sole traders with accountant support. **TaxScouts is now Taxfix UK** (rebrand after joining Taxfix Group).

AI agents for accounting firms covering CAS/advisory close, tax returns from intake to review-ready workpapers, audit testing, and corporate accounting close.

Crypto tax software (DeFi, NFTs & exchanges) now branded **Summ** — formerly Crypto Tax Calculator — with accountant-endorsed reports, 3,500+ integrations, and one annual subscription covering tax years back to 2013.

Spanish *declaración de la renta* app/service: calculate and optimize, expert review, AEAT presentation; plans PRO / LIVE / FULL including asalariados, autónomos, investors, crypto, and expats (plan-dependent).

Australian online registered tax agent (since 1998): client enters return online with ATO prefill; CPA/CA accountants check; registered agent lodges with the ATO (TPB 69399005).

French all-in-one for indépendants: automated bookkeeping, e-invoicing (Plateforme Agréée DGFiP), tax declarations (TVA, URSSAF, bilan…), optional compte pro + cards, and company creation.

Sales tax (and VAT/GST) software that finds exposure, registers, calculates, files, and remits, with AI product classification and Kin AI assistant.

AI agent for US tax research, planning, and defense aimed at CPA firms, preparers, corporate tax, family offices, businesses, and HNW; preparation and filing listed as “Imminent release” at research fetch (not asserted as general-availability e-file).

Practice platform for modern US accounting firms covering payments, practice ops, client experience, and AI-assisted tax prep/review/filing.

End-to-end US sales tax plus VAT/GST compliance with nexus monitoring, filings/remittance, exemption certificates, tax engine API, and a human Concierge layer.

End-to-end practice management for tax, bookkeeping, and full-service accounting firms — portal, workflows, CRM, docs, e-sign, billing, payments — with multilingual global reach.

Italian Partita IVA management: open P.IVA (<72h claimed), dedicated commercialista (network +60), e-invoicing, tax forecasts, chat with humans, dichiarazione dei redditi and F24 included.

Marketplace matching users to US-based CPAs/EAs for full-service tax filing (current, back taxes, extensions, prior years) plus advisory calls; also firm/workforce partnerships.

AI-native sales tax platform plus managed service — nexus/taxability study, register & backfile, rooftop-accurate calculation, autofile/remit, and government mail handling.

Cloud all-in-one practice management for US accounting, CPA, tax, and bookkeeping firms (CRM, docs, billing, intake, workflow, proposals, payments).

Chat-based German tax-return app with ELSTER submission: refund calculation free, then pay to file; positioned as “Tax Return for Everyone.”

AI-native tax engine for end-to-end sales tax, VAT, and GST via local rails to 100+ tax authorities — register, calculate, file, remit.

Enterprise Tax Autopilot for large CPA firms — AI across admin, prepare, review, and audit-trail workflows that integrate with major US tax software.

Tech-enabled US CPA firm and platform offering year-round tax strategy, federal/state compliance and filing, quarterly estimates, and multi-entity support via an internal licensed tax team.

AI company-management platform pairing software with human accountants/corporate secretaries for incorporation, bookkeeping, corpsec, and tax filings across Singapore, Hong Kong, UK, and UAE — Do It For You, not DIY-only.

Platform matching users to partner Steuerberater who retrieve Finanzamt e-data, prepare/optimize/submit Einkommensteuer digitally; free quote first; app use free.

AI-powered tax and policy compliance for employee spend — VAT/GST recovery, taxable employee benefits (fringe) detection, and Inspect fraud/policy analytics — not a classic outbound sales-tax register/file engine.

Tax prep automation for modern US firms: AI extracts source docs into collaborative binders/workpapers, pushes to tax software on approval, and flags review exceptions.

Australian banking + invoicing + accounting + tax in one; AI categorisation and tax forecasting; optional human BAS/tax lodgment. Registered tax agent No. 26262416. **Now Tyro Accounting (formerly Thriday)** — Team Thrive entities wholly owned by Tyro Payments Limited.

Singapore-founded incorporation-to-compliance platform (corpsec, accounting/SleekBooks + Xero, tax, payroll, passes, multi-currency business account) for small businesses and freelancers across SG, HK, AU, and UK.

French wealth and investment platform that includes tax accompaniment (optimize income declaration, rectificative filings) alongside assurance-vie, PER, real estate, and tax-reduction products.

Managed sales tax compliance (“done for you” or “done with you”) combining an intelligent platform with tax professionals for US and Canada GST/HST/PST/QST.

Mobile-only MYOB app for Australian sole traders: quotes/invoices, Solo Money business bank account, Tap to Pay, snap-n-track expenses, automated tax and GST tracking, with in-built AI features.

AI-native crypto tax software for traders and on-chain users — imports via API/CSV/wallet address, labels DeFi/NFT/cross-chain activity, and exports US Form 8949 / Schedule D with tax-loss harvesting.

AI tax platform for US accounting firms that works inside existing tax software (Drake, CCH Axcess, UltraTax, Lacerte, ProConnect) via Prowork sidebar.

UK Self Assessment app with a real-time tax figure, open banking bookkeeping, invoicing, direct HMRC submission, and MTD-ready workflow; optional Tax Assistants / “we do it for you.”

Self-employed accounting software for UK sole traders and landlords: bank connect, invoicing, receipt capture, Self Assessment, and Making Tax Digital (MTD) for Income Tax.

Australian year-round individual tax and personal finance SaaS: connects employment, sole trader, property, shares, crypto, and deductions with a live estimated tax position, Open Banking, and tax-time reports.

Software plus fiscal mentoring for Spanish autónomos: alta de autónomo, Verifactu invoicing, expense automation, quarterly tax models, renta, and anti-sanction guarantee.

Australian cloud tax lodgment software for accountants, bookkeepers, and BAS agents — ATO forms from 2011 onward, SBR lodgment, and Xero/QBO/MYOB/Excel integrations.

Integrated tax and accounting for NZ micro/small business: real-time GST and income-tax dashboard, invoicing, expense tracking, Afirmo Business Wallet, and accountants filing GST and Business Income Tax within the fee.

Ireland-first AI tax copilot (TaxCopilot) and practice-level TaxFoundry — statutory-cited Irish tax answers in a walled-garden knowledge base, not a pan-EU research platform yet.

Personalized client organizers and AI-powered binders for US tax firm intake and prep, generated from tax-software backups.

Tax planning/advisory software for accountants, CPAs, and financial advisors with 130+ proprietary strategies, white-labeled client reports, and jAIne AI assistant.

Professional tax planning/advisory add-on for Intuit Accountants that generates strategies and client-friendly savings plans from ProConnect Tax or Lacerte returns.