UK Cryptocurrency Investors Required to Disclose Account Information to Tax Authorities

Starting January 1, individuals purchasing cryptocurrency in the United Kingdom are mandated to provide their account information to tax officials or risk facing sanctions. This initiative from the UK tax agency aims to ensure compliance with tax obligations related to cryptocurrency transactions, including capital gains tax.

The HM Revenue and Customs (HMRC) will initiate the automatic gathering of data from all users participating in cryptocurrency exchanges, which function similarly to banks in this sector. This move is intended to recover tens of millions in unpaid taxes.

This regulatory shift coincides with ongoing discussions by the financial regulatory body regarding stricter oversight of the cryptocurrency market, aimed at curbing insider trading and enhancing accountability.

Bitcoin’s Fluctuating Value and Tax Implications

The price of Bitcoin, often regarded as a key indicator of the cryptocurrency sector’s health, skyrocketed from approximately $93,500 (£69,500) per coin at the beginning of 2025 to almost $124,500, before dropping below $90,000 by year’s end. Investors who acquired Bitcoin at a lower price and sold at a higher rate will now be liable for taxes, a challenge that authorities have traditionally faced in collecting.

Dawn Register, a partner specializing in tax dispute resolution at BDO, notes that HMRC has expressed growing concern over significant non-compliance rates among cryptocurrency investors. The newly implemented regulations are expected to create obstacles for wealthy cryptocurrency holders attempting to conceal untaxed profits.

New Reporting Requirements for Exchanges

Cryptocurrency exchanges, which enable users to trade traditional currency for digital assets, are now obligated to provide timely and accurate reports on their users’ earnings. Failure to comply with these requirements could lead to monetary penalties.

The Cryptoasset Reporting Framework (CARF) regulations are being adopted by numerous countries, facilitating international collaboration among tax authorities to share information effectively. In the UK, HMRC estimates that there are potentially thousands of cryptocurrency holders with outstanding tax liabilities, with hopes that the new measures will generate at least £300 million over the next five years.

Filing Tax Returns and Encouraging Disclosure

Ms. Register cautions that individuals realizing gains from cryptocurrency during the 2024-25 fiscal year may be required to submit a tax return by January 31, utilizing a new designated section in the self-assessment form. Furthermore, HMRC is promoting voluntary disclosures for those who have outstanding tax obligations from prior years, allowing taxpayers to rectify their situations.

HMRC has established a disclosure program allowing taxpayers to declare undeclared profits and settle unpaid taxes before April 2024.

Public Consultation on Future Regulations

Simultaneously, the Financial Conduct Authority (FCA) is conducting a public consultation until February 12 regarding additional proposed regulations for the cryptocurrency sector. These proposals include setting standards for exchanges, establishing new guidelines to ensure responsible broker behavior, and outlining rules for crypto lending and borrowing.

David Geale, the FCA’s executive director for payments and digital finance, emphasized the necessity of regulatory measures during last month’s consultation. He stated, ‘Our objective is to establish a framework that safeguards consumers, fosters innovation, and builds trust. We appreciate feedback to assist us in finalizing these regulations.’