Accountants for Cryptocurrency in London

At GM Professional Accountants, we specialise as Accountants for Cryptocurrency in London investors, traders, miners and crypto businesses across London and the wider UK. Whether you hold Bitcoin, Ethereum, NFTs, stablecoins or DeFi positions, our crypto tax specialists help you stay fully compliant with HMRC rules while keeping your tax bill as low as legally possible.

As trusted small business accountants in London, we work with individual investors, day traders, NFT creators, mining operators and limited companies dealing in digital assets. Our team understands the unique reporting requirements of crypto activity, including capital gains tax, income tax on staking rewards, airdrops, mining income, and DeFi yield.

We also support clients with full self assessment tax returns, company accounts, VAT compliance, and HMRC enquiry support, ensuring every disposal, swap and transfer is recorded accurately and reported on time.

Crypto Tax Services We Offer

Our cryptocurrency accounting services are designed for every stage of your digital asset journey, from your first Bitcoin purchase to running a full crypto trading company.

Capital Gains Tax on Cryptocurrency

We calculate your gains and losses across all wallets and exchanges using HMRC approved share pooling rules, including the same day rule and the 30 day bed and breakfasting rule. We handle Binance, Coinbase, Kraken, Crypto.com, MetaMask, Ledger and CSV imports from any platform.

Income Tax on Staking, Mining and Airdrops

Staking rewards, mining income, yield farming returns and airdrops can each be taxed differently. We classify your activity correctly as miscellaneous income, trading income or capital, ensuring you do not overpay or underpay tax.

NFT Accounting and Tax

Whether you mint, flip or hold NFTs, we track your acquisition costs, gas fees and disposal proceeds in GBP, then prepare a clean report for your self assessment return.

Crypto Business and Limited Company Accounts

We prepare statutory accounts and corporation tax returns for crypto trading companies, mining operations, Web3 startups and SPV structures. We also advise on the most tax efficient business structure for your activity.

HMRC Crypto Enquiries and Disclosures

If you have received a nudge letter from HMRC, or you need to make a voluntary disclosure of historic crypto gains, our team manages the process from start to finish through the HMRC Digital Disclosure Service.

Who We Help

• Individual investors holding long term crypto portfolios
• Active day traders and swing traders
• Crypto miners running solo or pool mining operations
• NFT creators, collectors and flippers
• DeFi users earning yield, lending or providing liquidity
• Web3 startups, DAOs and limited companies
• Influencers and content creators paid in cryptocurrency
• Expats and non domiciled UK residents with crypto holdings

Why Choose GM Professional Accountants

We are based in London with clients across the UK. Our team combines traditional accountancy expertise with deep, hands on knowledge of blockchain technology and digital asset taxation. Every client works with a named accountant who understands their portfolio, not a call centre.

• Regulated, AAT qualified accountants
• Fixed fee packages from a low monthly cost
• Free initial consultation with a crypto tax specialist
• Cloud based bookkeeping using Xero, QuickBooks and FreeAgent
• London office with nationwide remote service

How Our Process Works

We make crypto accounting simple, even if you have thousands of transactions across multiple chains.

• Step 1: Free Consultation. We review your activity and explain your obligations.
• Step 2: Data Gathering. You share exchange CSVs, wallet addresses and transaction history.
• Step 3: Calculation and Review. We compute gains, losses and income using HMRC rules.
• Step 4: Filing. We submit your self assessment or company tax return to HMRC.
• Step 5: Ongoing Support. Year round advice as your portfolio grows.

Frequently Asked Questions