Recommended PartnerAccounting & Tax

Knightbridge Tax

UK-based international and crypto tax specialists helping investors, trustees, and businesses stay compliant in a fast-evolving digital asset landscape.

United KingdomEst. 2021Boutique (2-person specialist team)

Quick Facts

Best For
UK-based crypto investors, non-domiciled individuals, trustees, and Web3 businesses seeking specialist self-assessment compliance, HMRC disclosure support, DeFi/NFT tax advice, and international private client tax planning. Also ideal for accountants and advisers seeking a crypto tax specialist partner for their own clients.
Pricing
Fixed-fee and relationship-based pricing; phone calls and emails are not charged on a time basis.

Overview

Knightbridge Tax is a specialist international and cryptoasset tax consultancy founded and led by qualified professionals with over 20 years of combined private client tax experience. The firm combines deep expertise in UK international private client tax — covering non-domiciled and non-resident individuals, trusts, and offshore structuring — with a focused specialism in the taxation of cryptoassets developed since 2021.

The firm's services span the full compliance and advisory lifecycle: self-assessment tax return preparation, in-year tax position planning, HMRC disclosures and investigations, and residence planning for clients relocating to or from the UK. Knightbridge Tax works across the entire spectrum of digital assets, including general cryptocurrency trades, NFTs, DeFi lending and staking, mining, and token vesting — bringing both professional rigour and first-hand investor experience to every engagement.

Knightbridge Tax is an active member of CryptoUK, the UK's leading crypto industry trade association, and participates in HMRC digital asset roundtables, giving clients confidence that their advisers are directly engaged in shaping future tax policy. The team holds qualifications including Chartered Tax Adviser (CTA), STEP Trust and Estate Practitioner (TEP), and certifications as a Certified Blockchain Investigator and Bitcoin Professional.

A distinctive feature of Knightbridge Tax's client approach is that phone calls and emails are not charged on a time basis, reflecting a commitment to long-term, trusted relationships over transactional billing. The firm also supports other advisers who lack in-house crypto tax expertise, acting as a specialist partner to help them retain clients with digital asset requirements.

Focus Areas

Cryptoasset Tax ComplianceUK Self-Assessment Tax ReturnsDeFi Lending & Staking TaxationNFT TaxToken Vesting & Mining TaxHMRC Disclosures & InvestigationsInternational Private Client TaxNon-Domicile & Non-Resident Tax PlanningResidence & Relocation PlanningOffshore StructuringCrypto Tax Policy & AdvocacyAdviser Support & White-Label Crypto Tax

Who They Work With

Individual crypto investorsNon-domiciled and non-resident UK taxpayersTrustees with cryptoasset holdingsBusiness owners with digital asset exposureWeb3 employees with token vesting arrangementsOther accountants and advisers seeking specialist crypto tax support

Notable Work

Knightbridge Tax has been recognised in the 100WFinTech directory and lead adviser Laura Knight is a Citywealth Powerwomen winner for both 2023 and 2024, and a judge for the international submissions in 2025. The firm's CryptoUK tax working group (co-chaired by Laura Knight) was nominated for outstanding contribution to taxation in 2023/24 by a not-for-profit organisation. The team has contributed to HMRC consultations on DeFi lending and staking and has published articles and delivered expert speaking appearances at tax conferences.

Key Contacts

  • Laura Knight — Chartered Tax Adviser (CTA), STEP TEP, International & Crypto Tax Specialist
  • Steve Knight — Certified Blockchain Investigator, Bitcoin Professional, Crypto Tax Technology Specialist

Office Locations

United Kingdom

Frequently Asked Questions about Knightbridge Tax

What types of cryptoasset transactions does Knightbridge Tax cover?

Knightbridge Tax advises on the full range of cryptoasset activity, including general cryptocurrency trades, crypto-to-crypto swaps, NFTs, DeFi lending and staking, mining, and token vesting. The team has hands-on investor experience and works with specialist crypto accounting software to ensure all transactions are captured and reported accurately.

Can Knightbridge Tax help if I have undisclosed prior-year crypto gains?

Yes. The firm has significant experience managing HMRC disclosures and investigations, including responding to nudge letters and formal enquiries. They can help you track transactions back to their origin, calculate historic liabilities, and make voluntary disclosures to HMRC in a way that minimises penalties.

Does Knightbridge Tax work with international or non-domiciled clients?

Absolutely. With over 15 years of international private client tax experience, Knightbridge Tax specialises in UK tax compliance and planning for non-domiciled and non-resident individuals and trusts, including those with US connections. They also assist clients planning to relocate to or from the UK, leveraging a global network of adviser connections.

How does Knightbridge Tax approach billing?

Knightbridge Tax does not charge for phone calls or emails on a time basis, prioritising the building of long-term, trusted client relationships over transactional hourly billing. Prospective clients are encouraged to make contact to discuss their situation before committing to any engagement.

Is Knightbridge Tax involved in UK crypto tax policy?

Yes. Knightbridge Tax is an active member of CryptoUK, the UK's largest crypto industry trade association, and participates in HMRC digital asset roundtables. The firm's lead adviser, Laura Knight, previously co-chaired the CryptoUK tax working group, which was nominated for an outstanding contribution to taxation award in 2023/24.

Can Knightbridge Tax support other accountants or advisers?

Yes. The firm offers a specialist support service for other advisers — such as accountants, wealth managers, or solicitors — who have clients with cryptoasset requirements but lack the in-house expertise to advise on them. Knightbridge Tax can handle specific elements of those clients' tax needs, helping the referring adviser retain the relationship.

What qualifications do the Knightbridge Tax team hold?

Lead adviser Laura Knight is a Chartered Tax Adviser (CTA) and STEP Trust and Estate Practitioner (TEP) with over 20 years of tax experience. Steve Knight holds certifications as a Certified Blockchain Investigator and Bitcoin Professional, and has specialised in crypto tax software development and complex transaction interpretation since 2021.

What is a taxable disposal for UK crypto tax purposes?

A common misconception is that tax is only triggered when selling crypto for fiat currency. In fact, taxable disposals include selling for fiat, swapping one cryptoasset for another, gifting (except to a spouse or civil partner), and spending crypto. Certain DeFi lending and staking transactions may also constitute disposals. Knightbridge Tax can help clients identify all taxable events in their transaction history.

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