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London Startup Valarian Raises $50m to Preserve Government Data Sovereignty

WireByte Staff · July 13, 2026

Valarian, a London-based startup, has raised $50m to help governments and companies use American cloud services without compromising their control over sensitive data. The company's software, ACRA, creates a sealed environment around AI systems, allowing users to dictate data access and transfer. This development comes in response to the US CLOUD Act, which enables American authorities to seize data held by US-based companies globally.

Key points

  • Valarian, a London-based startup co-founded by former Palantir executive Max Buchan, has raised $50m to help governments and companies use American cloud services without losing control of their data.
  • The startup's software, ACRA, creates a sealed environment around AI systems, allowing users to dictate data access and transfer.
  • The US CLOUD Act, which enables American authorities to seize data held by US-based companies globally, is the driving force behind Valarian's development.
  • Valarian's backers include US venture fund NEA and trading firm XTX, run by billionaire Alex Gerko.
  • The startup's total funding now stands at $70m, with plans to expand its services to preserve data sovereignty for governments and companies worldwide.

Valarian, a London-based startup co-founded by former Palantir executive Max Buchan, has raised $50m to help governments and companies use American cloud services without losing control of their data. The startup's software, ACRA, creates a sealed environment around AI systems, allowing users to dictate data access and transfer.

The US CLOUD Act, which enables American authorities to seize data held by US-based companies globally, is the driving force behind Valarian's development. The Act has sparked concerns among governments and companies worldwide, as it potentially compromises their data sovereignty.

Valarian's backers include US venture fund NEA and trading firm XTX, run by billionaire Alex Gerko. The startup's total funding now stands at $70m, with plans to expand its services to preserve data sovereignty for governments and companies worldwide.

As governments and companies increasingly rely on cloud services, the need for data sovereignty solutions like Valarian's ACRA software becomes more pressing. With its $50m Series A funding, Valarian is poised to play a significant role in shaping the future of cloud computing and data management.

Sources

WireByte Staff — Editorial Team

The WireByte editorial team synthesises technology news from multiple primary sources, verifies the facts, and links every source. Articles are produced with AI assistance and reviewed under our editorial policy.