Tether-Backed Firm Northern Data Sued for Tax Evasion

In a startling revelation, ex-directors of Northern Data, a German-based AI and crypto infrastructure firm, have initiated legal proceedings in California, accusing the company’s top executives of financial misrepresentation and tax evasion. 

The lawsuit, filed last month, targets allegations of serious financial discrepancies by the company, which enjoys backing from the prominent stablecoin issuer, Tether.

Accusations of Financial Instability and Tax Issues

The complaint details claims by ex-executives Joshua Porter and Gulsen Kama, who accuse Northern Data’s CEO and COO of falsely representing the company’s financial health to investors, regulators, and business partners. Furthermore, they also allege the company evaded taxes amounting to tens of millions of dollars.

Porter, appointed COO of Northern Data’s US subsidiary in April 2022, was promoted to North America president and CEO in January 2023. He was fired in March 2023 after discovering the company’s precarious financial situation, including a $30 million German tax liability and nearly $8 million in other liabilities, with only $17 million in cash reserves.


Kama, appointed North America CFO in July 2022 and promoted to group deputy CFO shortly after, claims she found and reported accounting and securities fraud to Northern Data’s leadership. Despite her efforts, she was also terminated in retaliation for her whistleblowing activities.

Despite their senior positions, both Porter and Kama allege their dismissals were direct responses to their whistleblowing efforts. They argue that the company’s leadership persistently ignored their complaints, leading to their termination. 

The lawsuit also addresses the company’s audit difficulties, with KPMG, the 2022 financial auditor, citing concerns about the company’s long-term survival.

Investor Relations Amid Scrutiny

Northern Data’s ambition for a US IPO and its valuation aspirations between $10 billion to $16 billion contrast sharply with these allegations. The company, transitioning from Bitcoin mining to AI cloud computing, plans significant expansions in the US and UK, further complicating the backdrop against which these legal challenges unfold.

This legal battle unfolds as Northern Data continues to navigate complex financial landscapes, illustrating the intricate balance between rapid technological expansion and stringent financial compliance. This raises concerns about Northern Data’s financial practices and governance.

The outcomes of this case could influence investor trust and the company’s strategic directions, particularly as it aims to strengthen its foothold in international markets.

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