CoreStack: $50 Million Raised To Help Enterprises Manage And Govern Multi-Cloud Environments

By Amit Chowdhry • Oct 26, 2025

CoreStack, a platform specializing in multi-cloud governance and automation spanning CNAPP, SecOps, FinOps, and CloudOps, announced it has secured a $50 million growth financing led by Post Road Group, with potential additional capital to fuel its global ambitions. The deal, structured as funded debt, is designed to optimize CoreStack’s capital structure while supporting product innovation, accelerated market expansion, and inorganic growth, all without sacrificing operational agility.

CoreStack has posted over 30% year-over-year ARR growth, expanded its customer base to more than 780 organizations globally, and processed billions of dollars in managed cloud spend. The platform currently enforces compliance with over 2,000 industry standards and supports cloud environments across Amazon Web Services, Microsoft Azure, Google Cloud, Oracle, hybrid, edge, and private clouds.

Recent milestones for CoreStack include the launch of Agentic AI-powered capabilities in its FinOps+ and Graphion CNAPP products, the addition of marquee enterprise and government customers that have increased average deal size and expansion revenue, and measurable outcomes for clients such as reducing cloud waste by up to 40%, improving compliance posture by 50% and blocking thousands of potential cybersecurity threats.

The new financing is intended to strengthen CoreStack’s balance sheet and provide a strategic foundation for further investment in research and development, global go-to-market initiatives, scaling hiring, and M&A activity. These efforts aim to position CoreStack as the trusted AI-powered cloud governance and security platform for enterprises and public institutions worldwide.

KEY QUOTES:

“This financing reinforces the strength of CoreStack’s business fundamentals, market momentum, and AI-driven product vision.”

“With Post Road Group’s partnership, we’re doubling down on innovation and global expansion – scaling new features, deepening customer impact, and fueling our mission to deliver intelligent cloud governance with greater velocity and control.”

Ezhilarasan (Ez) Natarajan, Founder and CEO, CoreStack

“CoreStack has one of the most advanced platforms in multi-cloud governance, security, and financial operations automation – all critical to digital transformation.”

Gardner Horan, Managing Director, Post Road Group