About Vertex
Vertex is the enterprise heavyweight of indirect tax: its O Series engine calculates sales tax, use tax, and VAT inside the ERPs of many of the world's largest companies. Founded in 1978 and public on Nasdaq since 2020 (VERX), it has served more than 10,000 businesses.
Vertex Copilot embeds generative AI across the platform for natural-language help with configuration and workflows, and the company hedged its AI future by making a strategic investment in AI-native sales-tax startup Kintsugi in 2025.
Vertex Copilot is a generative-AI assistant embedded across the platform that answers natural-language questions about documentation, configuration, and workflows to speed onboarding and support.
Highlights
- Founded 1978; IPO'd on Nasdaq in 2020 as VERX
- Has served 10,000+ businesses, concentrated in the enterprise segment
- Made a strategic investment in AI-native startup Kintsugi in 2025
Third-party reviews
Reviewers highlight responsive support and strong ERP automation; smaller businesses cite enterprise-oriented pricing.
Read on G290% of reviewers would recommend it, though some score value-for-money lower.
Read on CapterraRatings belong to the cited platforms and change over time — last checked August 2026. TaxAIs does not collect its own reviews; follow the links above for current scores and full review text.
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