How Much Did Kintsugi Raise? Funding & Key Investors

Kintsugi, the San Francisco-based AI-powered sales tax automation startup, has raised funding across multiple rounds backed by investors including Vertex, Link Ventures, Airwallex, and others.

Keep reading to explore Kintsugi's full fundraising journey and what it means for the future of tax compliance automation.

What Is Kintsugi?

Kintsugi is an AI-driven tax compliance platform headquartered in San Francisco, California. Founded in late 2022, Kintsugi helps e-commerce and SaaS companies automate sales tax management — from registration and calculation to filing and remittance. The platform leverages artificial intelligence to streamline complex tax obligations across multiple jurisdictions, enabling businesses to offload compliance tasks at scale.

How Much Funding Has Kintsugi Raised?

Kintsugi has raised at least $30 million across four disclosed funding rounds. Below is a breakdown of each round:

1. Seed Round
   • Amount Raised: USD 2,000,000 (approximately $2.2M per founder disclosure)
   • Date: 2023
   • Lead Investors: Undisclosed
   • Participating Investors: Venture Highway and others
2. Series A
   • Amount Raised: USD 6,000,000
   • Date: May 30, 2024
   • Lead Investors: Link Ventures
   • Participating Investors: Venture Highway, KyberKnight, Plug and Play, DeVC, and angel investors
3. Series A Extension
   • Amount Raised: USD 4,000,000
   • Date: November 2024
   • Lead Investors: Airwallex
   • Participating Investors: GSR Ventures, WestWave Capital, Link Ventures, Venture Highway, KyberKnight, Plug and Play, DeVC
4. Strategic Investment (Series Unknown)
   • Amount Raised: USD 18,000,000
   • Date: April 30, 2025
   • Lead Investors: Vertex Inc.
   • Details: Vertex acquired a 10% minority ownership stake ($15M) with existing investors contributing the remaining $3M. This round valued Kintsugi at $150M post-money, doubling its valuation within six months. Vertex also joined the Kintsugi Board of Directors under an IP sharing and commercial arrangement.

Total Amount Raised: At least $30M based on disclosed funding.

Key Investors

• Vertex Inc.
  • Details: Vertex is a leading global provider of indirect tax technology solutions (NASDAQ: VERX). Vertex led Kintsugi's April 2025 strategic investment round with a $15M minority stake at a $150M valuation, joining the company's Board of Directors.
• Link Ventures
  • Details: Link Ventures led Kintsugi's $6M Series A in May 2024 at a $40M valuation and continued participation in subsequent rounds.
• Airwallex
  • Details: Airwallex led the November 2024 Series A Extension, which raised an additional $4M and doubled Kintsugi's valuation to $80M post-money.
• Venture Highway
  • Details: Venture Highway participated in multiple Kintsugi funding rounds, including the initial seed round and Series A.
• GSR Ventures & WestWave Capital
  • Details: Both participated in the November 2024 Series A Extension alongside Airwallex.
• Plug and Play & DeVC
  • Details: Both firms participated in the original Series A and subsequent extension rounds.

What's Next for Kintsugi?

With $30M+ raised and a $150M valuation, Kintsugi is well-positioned to expand its AI-driven tax automation platform globally. The strategic partnership with Vertex Inc. accelerates Kintsugi's product development and international market expansion, especially for e-commerce and SaaS companies navigating complex multi-jurisdiction tax compliance. Kintsugi's IP-sharing arrangement with Vertex further positions it at the forefront of AI-powered tax technology innovation.

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