Daisy Cooper, Deputy Leader of the Liberal Democrats, wrote to the Financial Conduct Authority (FCA) on April 14, 2026, requesting a formal investigation into Farage's conduct around Stack BTC Plc, a micro-cap Bitcoin treasury company listed on the Aquis Growth Market under the ticker STAK. Cooper argued Farage was "using the Donald Trump playbook to put his own financial interests above the public good," and called on the FCA to determine whether his promotional activities "could potentially amount to market abuse."

The FCA confirmed receipt of the letter and said it would "review the letter and respond directly." No formal investigation has been opened as of publication.

What Farage Did and What He Stands to Gain

Farage holds a 6.31% stake in Stack BTC, acquired in March 2026 through his media vehicle Thorn In The Side Ltd. He paid £215,000 (approximately $286,000) for 4.3 million shares at 5p each. On April 13, 2026, he appeared in a promotional video for the company while simultaneously participating in a £2 million ($2.7 million) Bitcoin purchase on its behalf, adding 37 BTC to the firm's treasury at roughly £53,778 per coin.

Stack BTC now holds 68 BTC in total, acquired at an average cost of approximately $72,400 per coin, giving the company a Bitcoin treasury valued at around $4.9 million at cost. The firm has raised £4.3 million in total equity across multiple funding tranches. It is chaired by Kwasi Kwarteng, former UK Chancellor of the Exchequer, and uses Blockchain.com for institutional custody. Blockchain.com also holds a strategic investment position in the company.

Farage's spokesperson pushed back on the controversy, describing the April 13 event as simply "a photo call" and maintaining that Farage bought Bitcoin on behalf of Stack BTC rather than personally, and that no rules were broken. The Labour Party took a harder line, characterising the activity as "a bid to line his own pockets."

Stack BTC is modelled on the Bitcoin treasury strategy popularised by US firm MicroStrategy (now Strategy), which accumulates Bitcoin as a primary corporate asset. When Farage's investment was first announced in March 2026, STAK shares rose 12% in a single session.

The scrutiny of Farage's crypto activities sits within a broader pattern of regulatory pressure on Reform UK. On March 25, 2026, the UK government announced an immediate ban on cryptocurrency donations to political parties, applied retrospectively, with a 30-day window to return donations or face criminal penalties. Reform UK was the only major UK party known to accept crypto donations at the time of the announcement. Separately, Reform UK received a reported £9 million donation from Christopher Harborne and had not disclosed its crypto wallet addresses to the Electoral Commission. That disclosure contributed to the Philip Rycroft Review into foreign interference in UK politics, which formed part of the backdrop for the donation ban.

The Regulatory Backdrop

The FCA has regulated financial promotions involving cryptoassets targeting UK consumers since October 2023. Under those rules, all promotional material must be fair, clear, and not misleading. Critically, any such promotion must be approved by an FCA-authorised person unless the issuer itself holds FCA authorisation. The Aquis Growth Market, where STAK trades, is a junior exchange for smaller companies and carries significantly lower disclosure and liquidity requirements than the London Stock Exchange Main Market.

The case arrives as the UK is building out a more comprehensive crypto regulatory framework. The Financial Services and Markets Act 2000 (Cryptoassets) Regulations 2026 was enacted on February 4, 2026, extending FCA oversight to a broad range of cryptoasset activities. A firm authorisation application window is scheduled to open on September 30, 2026, with full implementation expected by October 2027.

In December 2025, the FCA also published a consultation on a dedicated Market Abuse Regulation and Conduct (MARC) regime for cryptoassets, covering insider dealing, market manipulation, and fraudulent promotions. The consultation closed February 12, 2026. Legal analysts note that the Farage situation, involving a financially interested party promoting an asset he holds while participating in a large purchase, closely mirrors the conduct that MARC is designed to address.

The Trump Comparison Has Data Behind It

Cooper's reference to Trump is not merely rhetorical. US President Donald Trump launched the $TRUMP meme coin on the Solana blockchain on January 17, 2025. The token reached a market cap exceeding $13 billion within 48 hours of launch. A Financial Times analysis estimated the project netted at least $350 million for Trump-affiliated entities.

Analysis cited by CNBC found that approximately 764,000 retail wallets lost money on the token, with total retail losses estimated at $2 billion. Just 58 wallets collectively made over $1.1 billion in profits. US legislators introduced the MEME Act (Modern Emoluments and Malfeasance Enforcement Act) in response, seeking to bar the president, senior officials, and members of Congress from issuing or endorsing financial assets.

Why This Matters Outside the UK

The Farage case carries implications well beyond British politics. Sub-Saharan Africa recorded more than $205 billion in on-chain transaction volume in the twelve months to June 2025, a 52% year-on-year increase, with Nigeria and Ethiopia ranking in the global top 15 for crypto adoption. Regulators across the region are actively developing or refining crypto frameworks, and according to industry analysis, frequently look to the FCA's approach as a reference point. Kenya enacted dedicated crypto legislation in October 2025, Nigeria passed the 2025 Investments and Securities Act, and South Africa classified crypto as a financial product as early as 2023.

The pattern of politically connected figures promoting small-cap crypto assets has been observed beyond the UK as well, including in regions where political endorsements of local crypto projects are a growing compliance concern.

For the large South Asian diaspora in the UK, many of whom use crypto platforms for remittances or retail investment, the case carries particular political salience. Reform UK has directly courted British-Asian voters, making Farage's financial conduct a matter of active interest within those communities and not merely a generic regulatory concern. The case is also a concrete reminder that Aquis-listed micro-cap firms carry regulatory and liquidity risks that mainstream exchange listings do not. Developers building treasury management tools or promotional infrastructure should note that FCA jurisdiction applies to any promotion targeting UK consumers, regardless of where the issuing firm is incorporated.

The FCA is expected to respond to Cooper's letter in due course. Whether it opens a formal investigation will be an early test of how aggressively the regulator intends to enforce its financial promotions rules against high-profile figures before the MARC regime takes full effect.