# Mishcon de Reya LLP - **Type:** Advisory firm - **Website:** https://www.mishcon.com - **Assessed by:** The Assurance Desk (Add-Venture Advisory Ltd) A UK law firm with a data and cyber team, a breach response unit and an outsourced DPO service, for organisations facing an incident or needing a DPO. ## Mishcon de Reya scores Scored 1 to 5 on six criteria. There is no overall score. ### Help when things go wrong: 4/5 Firm states MDR Cyber is the only CREST-accredited cyber unit inside a UK law firm (11 Sep 2025 announcement), evidencing published incident-response capability ### Qualifications of the people who do the work: 3/5 Legal 500 ranks the London team Tier 3, naming James Boyle as practice head plus three other ranked lawyers, not a top-tier ranking ### What it publishes about fees: 2/5 Only the bolt-on Mishcon DPO product publishes a price (from £500/month); no fee information found published for core data-protection or cyber advisory work ### Knowledge of your sector: 4/5 Named Head of Data (Sep 2025), Tier 3 Legal 500 ranking, an in-house MDR Cyber breach unit and a dedicated outsourced-DPO product line together evidence a real practice ### Independence from what it sells: 4/5 Published services are legal advisory plus its own Mishcon DPO consultancy product, not resale of third-party compliance software, per its service and product pages ### Who carries the risk if the advice is wrong: 2/5 A sourced Jan 2022 press report of an SRA decision states a £232,500 fine for AML due-diligence failings, a professional-discipline record bearing on accountability ## Sources for Mishcon de Reya Every line carries the page it was read on and the date it was checked. - Mishcon de Reya LLP is an active limited liability partnership on the UK companies register. - Source: https://find-and-update.company-information.service.gov.uk/company/OC399969 - Checked: 2026-09-19 - The firm is authorised and regulated by the Solicitors Regulation Authority. - Source: https://www.sra.org.uk/consumers/register/organisation/?sraNumber=624547 - Checked: 2026-09-19 - A Jan 2022 legal trade press report of an SRA decision states the SRA fined the firm over anti-money-laundering due-diligence failings. - Source: https://www.lawgazette.co.uk/news/mishcon-de-reya-fined-232500-over-numerous-aml-failings/5111049.article - Checked: 2026-09-19 - Mishcon de Reya appointed a named Head of Data and describes a specific cyber accreditation. - Source: https://www.mishcon.com/news/mishcon-de-reya-appoints-james-boyle-as-head-of-data - Checked: 2026-09-19 - Legal 500 ranks the firm's London data protection, privacy and cybersecurity team. - Source: https://www.legal500.com/rankings/ranking/c-london/risk-advisory/data-protection-privacy-and-cybersecurity/2379-mishcon-de-reya-llp - Checked: 2026-09-19 - The firm publishes pricing for its outsourced Data Protection Officer product. - Source: https://www.mishcon.com/products/mishcon-dpo - Checked: 2026-09-19 - The Solicitors Disciplinary Tribunal fined Mishcon de Reya LLP £25,000 (plus £32,500 costs) after finding the firm breached the SRA Accounts Rules' banking-facility rule and Principle 8 of the SRA Principles 2011. The firm had admitted allowing payments totalling around £5m connected to five football transfers (2011-2013) to pass through its client account; the firm self-reported the matter in 2017-18, the SRA referred it to the Tribunal in July 2021, and the Tribunal ruled on 29 October 2021 (a co-respondent former partner was cleared of related personal allegations). - Source: https://www.legalfutures.co.uk/latest-news/mishcon-puts-listing-on-ice-as-tribunal-explains-firms-25000-fine - Checked: 2026-09-20 ## What this provider publishes Not published means we did not find it on the firm's own pages. - Price: Published - Indemnity cover: Not published - Credentials: Published - Independent accreditation: Published - Client results: Not published - How it uses AI: Not published ## Strengths - Named, senior practice leadership: James Boyle appointed Head of Data (Sep 2025), also named Legal 500 practice head for the London data protection/privacy/cybersecurity team - In-house MDR Cyber unit; firm states it is the only CREST-accredited law firm in the UK, evidencing real incident-response infrastructure - Ranked (Tier 3) in Legal 500 for Data protection, privacy and cybersecurity, London, with four named lawyers - Runs a distinct outsourced-DPO product (Mishcon DPO) with a published starting price, not just bespoke legal advice ## Things to check Each one carries the factual basis it rests on. - The SRA reportedly fined the firm £232,500 (reduced from £387,500) for anti-money-laundering due-diligence failings on property transactions. - Basis: Law Gazette report (5 Jan 2022) of the SRA's decision; NB the SRA's own live public register for this firm shows no disciplinary decisions as of the 19 Sep 2026 check, consistent with the SRA not retaining all historical decisions indefinitely - The firm's London data protection, privacy and cybersecurity practice is ranked Tier 3, not Tier 1, in Legal 500. - Basis: Legal 500 UK rankings page for Mishcon de Reya LLP, Data protection, privacy and cybersecurity, London, checked 19 Sep 2026 - Separately from the AML fine already on record, the Solicitors Disciplinary Tribunal fined the firm £25,000 (plus £32,500 costs) in 2021 for allowing its client account to be used as a banking facility for football-transfer-related payments made in 2011-2013, a distinct, closed disciplinary matter that the firm self-reported. - Basis: Solicitors Disciplinary Tribunal ruling, 29 October 2021, as reported by Legal Futures: https://www.legalfutures.co.uk/latest-news/mishcon-puts-listing-on-ice-as-tribunal-explains-firms-25000-fine (cross-checked against Law Gazette, Legal Cheek and Fountain Court Chambers coverage of the same tribunal case) ## Where this firm appears - [Do you need a data protection officer?](https://theassurancedesk.com/best/first-appointment) - [After a data breach: what UK law asks of you](https://theassurancedesk.com/best/post-breach) - [After a cyber attack: what to report, and to whom](https://theassurancedesk.com/best/security-incident) - [Which data protection, AI governance and cyber security providers publish a price?](https://theassurancedesk.com/lists/providers-that-publish-a-price) - [Compare providers](https://theassurancedesk.com/compare) --- **Scope.** The Assurance Desk covers data protection, AI governance and cyber security in the United Kingdom and the United States. It scores providers in both: UK-facing firms, and firms based in the United States. Every provider scored so far was selected for data-protection, AI-governance or security-assurance work. Where a page describes law, it names the country that law applies in. **Who publishes this.** The Assurance Desk is published by Add-Venture Advisory Ltd, company number 11854524, registered in England and Wales. The same owner runs Avouch, a marketing agency that sells AI visibility services to firms of the kind this site covers. That is a conflict of interest, and it is disclosed here. **Corrections.** If you represent this firm and something here is wrong or out of date, email hello@theassurancedesk.com with the evidence.