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Vertex

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“Can Vertex remain the enterprise system of record for indirect tax as AI agents, real-time e-invoicing mandates, and cloud ERP migrations rewrite the compliance stack?”

Founded1978
HQKing of Prussia, Pennsylvania, USA
FoundersRay Westphal
Latest roundIPO, July 2020 ($19.00/share, 21.15M shares)
IndustryHorizontal SaaS / Tax Compliance
The story

Vertex is a 40+ year old enterprise tax technology company that IPO'd in 2020 (Nasdaq: VERX). Its core business is indirect tax determination, VAT/GST compliance, e-invoicing, and returns filing embedded into ERPs (SAP, Oracle, Workday, NetSuite, Microsoft) and e-commerce/marketplace platforms. Vertex is a tax-compliance infrastructure company — not a fintech — and does not operate its own banking, lending, card, or payment infrastructure. Its only payment-adjacent embedded product is the Vertex e-Commerce Checkout Form, which uses Stripe and PayPal as pass-through PSPs for merchant checkout tax collection.

Last 12 months
2025-10
Product timeline
1978
Vertex founded by Ray Westphal in Pennsylvania to build tax compliance software.· founding
2000
Second-generation Westphal family members purchase interest from founder.· ownership
2020
IPO on Nasdaq under ticker VERX at $19.00 per share.· ipo
2025
Vertex Cloud platform expanded with AI agents for tax determination, e-invoicing, and compliance workflows.· product
Acquisitions
Taxamo2022
Cross-border VAT/GST compliance and merchant-of-record tax platform; Taxamo brand still visible in Vertex login navigation.
The stack
4 layers disclosed in Vertex’s embedded-finance stack
Payments / PSP
StripePayPal
Lending
in the full report
Accounting
in the full report
Tax
in the full report
Accounting gap: none
15 more providers across 3 layers, with confidence-scored evidence and source URLs, are in the Embedded Finance Index report.

Vertex — frequently asked

Who is Vertex's payment processor?

Vertex processes payments through Stripe and PayPal.

Who provides Vertex's lending?

Vertex's lending and capital products are provided by affirm.

Which accounting software does Vertex integrate with?

Vertex integrates with SAP, Oracle, Microsoft, NetSuite, Workday, Shopify, Intuit QuickBooks, JD Edwards and 5 others.

What is Vertex's embedded finance stack?

The Embedded Finance Index 2026 maps 4 layers in Vertex's stack: Payments / PSP (Stripe and PayPal); Lending (affirm); Accounting (SAP, Oracle, Microsoft, NetSuite and 9 others); Tax (Kintsugi).

Who founded Vertex?

Vertex was founded by Ray Westphal and is founded in 1978, headquartered in King of Prussia, Pennsylvania, USA.

What companies has Vertex acquired?

Vertex's acquisitions include Taxamo (2022).

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