10 Cool Companies That Raised Funding In September 2026

In September, startups developing technology around all aspects of AI development and deployment continued to attract the lion’s share of venture capital investment.

AI security remains a popular place for VC firms to invest their money with more established companies like Cyera and Island and early-stage startups RemoteThreat and Eve Security all raising funding in the last month.

Many of the startups that received new financing in September are focused on AI infrastructure and software tools that help AI applications and agents operate more effectively. These companies included Gimlet Labs, Euno, Aranya and DataAgent.

Early-stage startups with next-generation database and MSP platform technology also raised funding in September.

Here’s a look at 10 companies that raised funding in September 2026.