Decimal AI Raises $4M Seed Led by Kearny Jackson to Expand AI Support Engineer Platform

Decimal AI Secures $4M Seed Round

Decimal AI, a San Francisco-based customer engineering platform for technical support teams, has raised $4 million in seed funding. The round was led by Kearny Jackson and included participation from Atlassian Ventures, Khosla Ventures, Weekend Fund, Claire Johnson, Michelle Valentin, and Rimple Patel. The funding was announced on September 15, 2026.

What Decimal AI Does

Decimal AI provides an AI Support Engineer that autonomously resolves technical customer issues in minutes. The platform is designed for software companies and combines agentic workflows with deep product knowledge to deflect and accelerate support tickets. By automating technical support, Decimal AI aims to reduce the burden on human support teams and speed up resolution times for customers.

The company's customers include Granola, Resilinc, Tealium, BuildOps, and Lucidworks. These software companies use Decimal AI to handle technical customer issues, suggesting that the platform is already deployed in production environments.

Company Background

Decimal AI is headquartered in San Francisco. The company operates in the customer engineering space, focusing on technical support teams. Its AI Support Engineer is positioned as a solution that can autonomously resolve issues, which is a growing area of interest as companies seek to scale support operations without proportional increases in headcount.

Funding Details

• Round: Seed
• Amount: $4,000,000 USD
• Date: September 15, 2026
• Lead Investor: Kearny Jackson
• Additional Investors: Atlassian Ventures, Khosla Ventures, Weekend Fund, Claire Johnson, Michelle Valentin, Rimple Patel

The seed round includes participation from both institutional investors and individual angels. Atlassian Ventures and Khosla Ventures are notable names in the software and venture capital ecosystems, while the individual investors bring additional backing.

Market Context

The market for AI-powered customer support and technical support automation is expanding as software companies face increasing pressure to deliver efficient, scalable support. Decimal AI's focus on technical issues—rather than general customer service—sets it apart by addressing complex, product-specific problems that often require engineering knowledge. Its agentic workflows and product knowledge integration are core to its value proposition.

Acquisition Relevance

For acquirers, Decimal AI offers a specialized AI support solution with an existing customer base of software companies. The involvement of Atlassian Ventures could signal strategic interest in the customer support and engineering tooling space. As the company uses its seed funding to grow, its ability to expand its customer roster and enhance its AI capabilities will be important factors for potential acquirers to watch.

The seed round provides Decimal AI with capital to further develop its platform and scale its go-to-market efforts. With a lead investor like Kearny Jackson and a syndicate that includes experienced funds and angels, the company is positioned to advance its AI Support Engineer in a competitive landscape.