Nscale secures $3.36bn pre-IPO funding as founder Josh Payne pivots from mining to AI infrastructure

Key points

• Nscale announced a $3.36 billion convertible loan note financing, with an initial tranche of $2.36 billion and a $1 billion commitment from Nvidia expected in November 2026.
• The company is preparing for a potential $35 billion IPO, with the convertible notes set to convert into shares upon completion of the offering.
• Josh Payne, the 32-year-old founder, previously worked in coal mining and construction before founding Nscale in 2024 after spinning it out from his bitcoin mining venture, Arkon Energy.
• Nscale has secured multibillion-dollar contracts, including a $6.2 billion deal with Microsoft to deploy Nvidia chips in Norway, and has over $103 billion in total contracted value.
• The company has attracted backing from Jensen Huang, Sheryl Sandberg, and Sir Nick Clegg, who joined the board in March 2026.
• Nscale has flagged 'material weaknesses' in internal financial reporting controls due to insufficient staffing and systems, which it may not fully remediate until 2027.

Background

Nscale emerged in the AI era as one of several rapidly growing but heavily indebted cloud-computing startups. The company was spun out of Arkon Energy in May 2024 after Payne shifted his focus from cryptocurrency mining to AI infrastructure. The broader AI landscape has seen significant developments, including US efforts to accelerate AI growth through initiatives like the 'AI Force' and state-level calls to slow frontier AI development for safety reasons. Nscale’s rise coincides with increasing competition in AI infrastructure, including US accusations against Chinese firms of cloning American AI models.

How outlets are covering it

The Financial Times emphasizes Payne’s unconventional background and the rapid rise of Nscale, highlighting the contrast between his lack of formal education and his powerful network of backers. The FT notes concerns about Nscale’s internal financial controls and customer concentration, particularly with Anthropic and Microsoft. Nscale’s own press release focuses on the scale of the funding, the total contracted value, and the strategic importance of the convertible financing for accelerating global data center buildouts. The FT also notes the shift in Nscale’s focus from the UK to the US after the UK government paused its 'Stargate UK' project, while Nscale’s release does not mention this shift. The FT highlights Payne’s quiet demeanor as a factor in his appeal in Europe, a perspective not mentioned in Nscale’s release.

Why it matters

Nscale’s $3.36 billion funding round and potential $35 billion IPO signal the massive capital inflows into AI infrastructure, driven by demand for compute power. The company’s reliance on major customers like Microsoft and Anthropic, and its flagged financial control weaknesses, highlight the risks and challenges faced by rapidly scaling AI infrastructure providers. Payne’s background and network illustrate the changing dynamics in the AI industry, where unconventional founders with strong connections can secure significant backing. The shift from the UK to the US reflects the evolving geopolitical landscape of AI infrastructure development.

What to watch

Nscale is expected to close the second tranche of its convertible financing in November 2026. The company is preparing for its IPO, with the convertible notes set to convert into shares upon completion. Nscale will need to address its internal financial control weaknesses, which it may not fully remediate until 2027. The company’s expansion will likely continue to focus on the US market, given the pause of the UK’s 'Stargate UK' project. Nscale will also need to manage its dependence on major customers like Microsoft and Anthropic, whose contracts include termination clauses.