Oxford Capital, a specialist Enterprise Investment Scheme (EIS) and venture capital manager, is urging UK crypto investors to consider their options for tax efficiency in light of the recent market sell-off and tighter HMRC scrutiny of digital assets, which aligns strongly with the government’s appetite to boost tax receipts. James Stothard, Senior Manager for Communications and Marketing, and Nick Sudlow, Investor Relations Manager at Oxford Capital, give us their expert perspective on crypto, EIS and the strategies available to investors.
After sharp gains earlier in 2025, the latest sell-off has wiped out a significant portion of paper profits across major tokens. Many early adopters still sit on sizeable gains yet face a more demanding tax and reporting landscape as the grey zone around crypto narrows.
James Stothard, Senior Manager at Oxford Capital, said: “Crypto investors have had a stark reminder that high returns and rapid drawdowns go hand in hand. At the same time, HMRC is tightening the net on undeclared activity. That combination means UK investors need to think clearly about concentration risk, tax exposure, and how they intend to bring wealth back into the mainstream economy.”
HMRC now has a clearer view of crypto
Crypto is unique in the way it is subject to double taxation. HMRC treats many forms of crypto income – such as mining, staking or employment-related payments – under income tax rules. Once held, most tokens are treated as “property”, with disposals (selling, spending, swapping or gifting) potentially giving rise to capital gains or losses.
The UK government have been moving to put crypto under a microscope and increase regulation, with self-assessment returns now including a dedicated section for crypto assets, increasing the visibility of activity for UK taxpayers. From 1 January 2026, the OECD’s Crypto-Asset Reporting Framework (CARF) will extend that further, with UK-based platforms and other reporting providers required to collect and share detailed customer transaction data with tax authorities.
“Crypto can be taxed twice over its life: first as income for certain ways of acquiring it, then again as a capital gain on disposal,” James Stothard added. “In past years, some investors assumed their activity sat off the radar. Once CARF goes live, and self-assessment data builds up, that assumption looks far less safe.”
Sell-off as a catalyst to rebalance
Oxford Capital argues that the recent market pullback, coupled with the introduction of new tax reporting rules, gives investors a natural break point to reassess exposure. Portfolios still in overall profit face a CGT bill that may be smaller than at the peak, and losses on weaker positions can be crystallised to offset gains elsewhere.
Rather than waiting indefinitely for a full rebound, the firm suggests that investors consider:
- How much of their total net worth sits in crypto.
- The impact of a further 50% drawdown on their wider finances.
- Whether phased disposals over multiple tax years could make more effective use of allowances and lower tax bands.
Where EIS can fit
The Enterprise Investment Scheme is a long-standing, government-backed framework that offers tax reliefs in return for backing early-stage, unquoted companies. For investors with historic or current crypto gains, EIS can play a role in reshaping risk and tax exposure:
- EIS investors can claim income tax relief at 30% on qualifying subscriptions, within the annual limits.
- Gains on EIS shares are generally tax-free if the shares are held for at least three years and the conditions are met.
- Capital gains from other assets, including crypto, can be deferred by reinvesting the gain in EIS-qualifying shares. The CGT liability will crystallise later when the EIS shares are disposed of, but can be reinvested to defer again and benefit from a further 30% income tax relief.
- Deferral may be carried back for up to three tax years, opening the door to rebates of CGT already paid.
Nick Sudlow, Manager Investor Relations at Oxford Capital, said: “We are speaking to more investors who want to turn volatile crypto gains into something clearer and more deliberate. For those who have already taken advice and understand the risks, EIS can be a way to recycle part of that upside into a portfolio of UK growth companies, within a tax-efficient wrapper supported by the UK government, and with a long-term horizon rather than short-term price swings.”
“Many crypto investors are already used to high volatility and long holding periods,” James Stothard said. “EIS carries similar risk characteristics, but with one key difference: capital is directed into UK-based businesses, jobs and innovation, with a clear policy framework around it. For some investors, that shift from opaque tokens to tangible companies, with tax reliefs attached, is an attractive trade as long as they recognise that the underlying risk remains high.”
Offshore holdings and bringing money onshore
Some UK taxpayers hold crypto with offshore exchanges or structures. Once CARF is fully implemented, assuming that these holdings remain invisible to HMRC becomes much riskier.
Oxford Capital notes that one route for UK investors still in overall gain is to:
- Realise part of that gain,
- Bring funds back into the UK, and
- Reinvest through tax-efficient vehicles such as EIS, within the rules.
This can help start the clock on three-year holding periods for future tax-free growth, defer CGT on historic crypto gains, and gradually move wealth from a single speculative asset class into a diversified portfolio of UK growth companies.
The firm stresses that specialist tax and financial advice is essential, particularly for those with complex or offshore arrangements.
Risk warnings and advice
Oxford Capital does not provide financial or tax advice. Investors should seek advice from a qualified professional before making investment decisions.
Do not invest unless you are prepared to lose all the money you invest. EIS investments are high-risk and illiquid; you may not be able to access your money easily, and are unlikely to be protected if something goes wrong. Take 2 minutes to learn more: https://resources.oxcp.com/risk-warning
This piece featured in this year’s annual issue of Tax-Efficient Investment (TEI) Insights, which you can read here!
About James Stothard
James is Senior Manager for Communications and Marketing at Oxford Capital, where he leads integrated campaigns, events, sponsorships, and investor communications. He has more than a decade of experience helping startups grow, including several years in crypto and blockchain, and moved into venture capital to put that commercial background to work for high-growth founders and companies.
He previously worked in the institutional cryptocurrency space, with roles at Trustology, a digital asset custodian; Bitpanda, a crypto broker; and Cryptolytx, a DeFi research firm, where he led digital marketing, content, and brand strategy, improving positioning and driving growth.
About Nick Sudlow
Nick is the Investor Relations Manager for Oxford Capital, acting as the primary contact for our clients and business partners. Nick holds extensive experience in customer service and administration, and is currently studying for a degree in Economics.
