Intuit makes TurboTax (used by 40M+ US taxpayers), QuickBooks (8M+ small businesses), Credit Karma (130M+ members), and Mailchimp (13M+ users). Its AI-driven financial assistant Intuit Assist is embedded across all products. Tax preparation and accounting software are some of the stickiest software categories - customers rarely switch.
Key relationships in depth
Intuit and Microsoft have a long-standing partnership integrating QuickBooks with Microsoft 365 productivity tools. QuickBooks syncs with Microsoft Outlook for invoice and payment tracking, Excel for financial reporting exports, and Microsoft Teams for accountant-client collaboration. Intuit's ProConnect Tax platform serves accounting professionals who also use Microsoft 365 as their primary work environment. Microsoft's Copilot for Small Business and Microsoft Dynamics 365 Business Central compete with QuickBooks and Intuit Enterprise Suite for the same SMB and mid-market accounting software market.
Why it matters: Microsoft 365's 400M+ commercial subscribers represent a significant installed base for QuickBooks cross-sell and integration, as millions of small businesses run both Microsoft 365 and QuickBooks simultaneously. Deep Microsoft integrations reduce friction for customers who manage their business across both platforms and create switching costs that retain QuickBooks customers within the Intuit ecosystem. Microsoft's Teams integration is particularly valuable for accounting firms whose clients communicate primarily through Teams.
Intuit and Google Cloud deepened their AI partnership in April 2025, integrating Google's Gemini models and Document AI into TurboTax to automate tax form extraction and autofill for the ten most common IRS forms. Intuit's GenOS generative AI operating system routes uploaded tax documents through Google's Document AI service, which categorizes fields and populates IRS forms with minimal manual entry.
Why it matters: Intuit needed best-in-class document OCR and multimodal AI to fulfill its done-for-you tax strategy for TurboTax, and Google Cloud's Document AI offered high accuracy for complex form processing. Google gains a high-visibility enterprise lighthouse customer that demonstrates Gemini's production-scale utility and validates its AI platform for regulated financial workflows.
Intuit and Amazon sealed a multi-year preferred partner agreement making QuickBooks the primary financial management solution embedded inside Amazon Seller Central beginning mid-2025. The integration lets sellers pull Amazon transaction data directly into QuickBooks for bookkeeping, tax filing, and cash-flow management without leaving Seller Central. Intuit also enabled QuickBooks Capital loans accessible from within the Amazon dashboard for eligible sellers.
Why it matters: Amazon gains a credible fintech layer that reduces seller churn and increases platform stickiness, while Intuit gains distribution access to millions of active Amazon sellers without separate acquisition costs. Intuit has built on AWS infrastructure since 2013, making deep technical integration natural and giving both parties an incentive to deepen the alliance around AI-powered financial tools.
Intuit and OpenAI announced a $100M+ multi-year strategic partnership to integrate OpenAI's frontier models across Intuit's product suite including TurboTax, Credit Karma, QuickBooks, and Mailchimp. The partnership gives Intuit customers access to ChatGPT-powered financial AI agents inside their existing Intuit products, and Intuit financial products are embedded into ChatGPT's commerce and financial capabilities for OpenAI's 200M+ weekly users. The deal positions Intuit as OpenAI's primary financial intelligence layer for consumer and small business AI agents.
Why it matters: Intuit's FY2025 revenue of $18.8B (up 16% YoY) and FY2026 guidance of $21B+ reflect a platform company sitting on 100M+ user financial data relationships. OpenAI's strength in language generation and reasoning complements Intuit's proprietary financial data and customer trust, enabling personalized tax, accounting, and financial planning AI agents that neither company could build alone. Intuit's Intuit Assist AI platform, powered partly by OpenAI models, can analyze a customer's full financial picture across QuickBooks, TurboTax, and Credit Karma to provide holistic AI-driven financial guidance.
Relationships are compiled by VexMap from company filings, announcements and reporting, and last reviewed September 2026. Spotted something wrong? Tell us. Not investment advice.