AI tax software and tax technology companies
10 accounting tech companies in Tax, in 2 countries, with $187 million raised. Accounting tech is the software and AI built for accounting, tax, audit and the finance function: the tools accountants, finance teams, tax professionals and auditors use to keep the books, close the month, pay and collect, file taxes, plan and report. This map covers the part being rebuilt around AI: AI-native accounting, tax and audit software; AI-native accounting firms that deliver the work on technology they build themselves; and the established vendors, publishers and accounting firms with large, named AI programmes.
- Blue J: Generative AI tax research assistant for accountants and tax professionals, with cited answers.
- Anrok: Sales tax compliance for software and digital businesses: monitors nexus, calculates and files.
- Zamp: Fully managed sales tax service: software plus former state auditors who register, file and answer notices. (Miami, United States)
- Kintsugi: Sales tax automation that finds nexus exposure, registers, calculates, files and handles back filings. (San Francisco, United States)
- Sovos: Tax compliance vendor that calls itself agentic and bought AI-native Flowie and Blue dot in 2026.
- TaxGPT: AI tax research, preparation and review assistant for tax and accounting firms. (San Francisco, United States)
- Taxwire: AI-native sales tax product for hard cases such as multi-line invoices and unmapped products. (New York, United States)
- Taxy.io: German AI workspace for tax and legal research, drafting and review. (Aachen, Germany)
- Thomson Reuters Tax & Accounting: Thomson Reuters' tax and accounting arm, selling CoCounsel AI for tax research and audit.
- Vertex: Indirect tax software vendor (since 1978) organising its AI as workflow agents, a control centre and Vertex Intelligence. (King of Prussia, United States)
The Accounting Tech Map is published by Eilla AI. Map criteria · What's new · Summary for AI tools
Also by Eilla AI: AI-Native Services Map · The Legal Tech Map · AI Deployment Firms