Ms Tamsin Blow > CMS > London, England > Lawyer Profile
CMS Offices

CANNON PLACE
78 CANNON STREET
LONDON
EC4N 6AF
England
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Ms Tamsin Blow

Position
Partner
Career
Tamsin Blow is a Partner in the Litigation and Arbitration Group, specialising in commercial, media and public law dispute resolution. Tamsin draws on over fifteen years’ experience with the firm to offer clients strategic and commercial advice on potential and on-going disputes.
Tamsin acts in substantial commercial disputes including multi-jurisdictional fraud cases for claimants (such as the former subsidiaries of Yukos Oil) and defendants.
Tamsin supports clients through reputation management issues and times of crisis. She draws on her expertise in defamation, data protection and privacy law and her investigations experience, including as advisor to News International in relation to the voicemail interception crisis.
Tamsin also has particular expertise advising gambling operators on a full range of contentious legal and regulatory issues, including supplier disputes, customer disputes, judicial reviews, Gambling Commission investigations and licence reviews and anti-money laundering and social responsibility policies and procedures.
Tamsin is recognised by the directories in relation to civil fraud, reputation management and gaming & betting.
Education
- 2006 – LPC, Oxford Institute of Legal Practice, Oxford
- 2005 – GDL, Oxford Brookes, Oxford
- 2003 – BA Hons, Cambridge
Lawyer Rankings
London > Public sector > Administrative and public law
CMS has extensive experience advising clients on commercial and public law disputes, particularly within the energy and media sectors. Leading the team, Dan Tench has an in-depth knowledge of competition and media law, which he combines with his aptitude for complex judicial review cases. Tamsin Blow is a further standout lawyer with experience handling matters for clients within the gambling sector.
London > TMT (technology, media and telecoms) > Reputation management
(Next Generation Partners)CMS is highly regarded for its ‘great depth of experience and expertise‘ across the gamut of media and information law matters, acting for both claimants and defendants, with a strong focus on clients from the energy, finance, and media sectors, as well as HNWIs. Leading the practice is Dan Tench, who brings extensive experience in defamation, data protection, and privacy matters. He is supported by Tamsin Blow, who excels in investigations and provides reputation management, data incident and crisis management guidance to major corporates and their officers.
London > Crime, fraud and licensing > Gaming and betting
(Next Generation Partners)The CMS gambling group stands out for its ‘deep industry knowledge’ and full-service approach, leveraging the firm’s broad expertise across commercial, regulatory, tax, and intellectual property disciplines to enhance its gambling practice. The team is further strengthened by its significant international reach. The practice is led by David Zeffman, a seasoned advisor known for his commercial and regulatory knowledge. Rob Willis is a key figure in corporate matters, with a focus on M&A, joint ventures, fundraisings, and corporate reorganisations. Co-head of the tax team, Stephen Hignett, brings valuable experience in UK tax issues relevant to the gambling industry. Tamsin Blow is noted for her expertise in navigating enforcement actions by the Gambling Commission. Anna Soilleux-Mills offers deep regulatory knowledge, while Alasdair Lamb is recognised for advising prominent clients on regulatory and compliance matters.
London > Crime, fraud and licensing > Fraud: civil
‘Continuously focused on generating victories for clients’, CMS‘ fraud team in London leverages the firm’s enviable banking client base, particularly in relation to financial fraud. The group is also supported by the firm’s highly regarded regulatory lawyers. Other areas of expertise are energy-related mandates, along with corruption, tax evasion and money laundering cases. The firm additionally has a robust cyber fraud practice, with its breach response service covering 70 jurisdictions worldwide. Praised for his ‘intellectual dynamism and brilliance’, commercial litigator Bernard O’Sullivan is a specialist in asset recovery, civil fraud and regulatory issues; Andrew Taplin‘s broad fraud practice ranges from multi-jurisdictional claims involving HNW individuals and their corporate vehicles, to employee fraud, payment fraud claims for banks, and business and share sale-related fraud, dishonesty and concealment claims; Tamsin Blow represents both claimants and defendants in multi-jurisdictional fraud cases; Luke Pardey is ‘fantastic’; and Eoin O’Shea
is a highly regarded fraud and financial crime practitioner. In April 2024, Nadia Latti was promoted to partner, ‘a role she has been owning for some time’, while Anita de Villiers has notable experience in fraud proceedings (both in the UK and Australia).
Lawyer Rankings
- Fraud: civil London > Crime, fraud and licensing
- Gaming and betting London > Crime, fraud and licensing
- Next Generation Partners London > Crime, fraud and licensing > Gaming and betting
- Next Generation Partners London > TMT (technology, media and telecoms) > Reputation management
- Reputation management London > TMT (technology, media and telecoms)
- Administrative and public law London > Public sector
Top Tier Firm Rankings
- Real estate > Commercial property: corporate occupiers
- Real estate > Commercial property: development
- Real estate > Commercial property: investment
- Real estate > Construction: contentious
- Real estate > Environment
- Corporate and commercial > Equity capital markets – small-mid cap
- TMT (technology, media and telecoms) > Fintech: corporate and commercial
- Crime, fraud and licensing > Fraud: civil
- Crime, fraud and licensing > Gaming and betting
- Insurance > Product liability: defendant
- Industry focus > Hospitality and leisure
- Projects, energy and natural resources > Infrastructure: Project finance and development
- TMT (technology, media and telecoms) > Intellectual property: trade marks, copyright and design
- TMT (technology, media and telecoms) > IT and telecoms
- Insurance > Product liability: defendant
- TMT (technology, media and telecoms) > Media: Digital content & social
- TMT (technology, media and telecoms) > PATMA: Patent attorneys
- Employment > Pensions (non-contentious)
- Employment > Pensions: dispute resolution
- Real estate > Planning
- Projects, energy and natural resources > Power (including electricity and nuclear)
- Real estate > Property litigation
- Investment fund formation and management > Real estate funds
- Projects, energy and natural resources > Renewables
- Industry focus > Retail and consumer
- Investment fund formation and management > Retail funds
- Industry focus > TMT
Firm Rankings
- Corporate and commercial > Commercial contracts
- Real estate > Construction: non-contentious
- Risk advisory > Data protection, privacy and cybersecurity
- Employment > Employers
- Corporate and commercial > Financial services: contentious
- TMT (technology, media and telecoms) > Fintech: regulatory
- Projects, energy and natural resources > Infrastructure: M&A and acquisition financing
- Insurance > Insurance and reinsurance litigation
- Insurance > Insurance: corporate and regulatory
- TMT (technology, media and telecoms) > Intellectual property: patents (contentious and non-contentious)
- Industry focus > Life sciences and healthcare
- TMT (technology, media and telecoms) > Media: Advertising & marketing
- TMT (technology, media and telecoms) > Media: Film & TV
- TMT (technology, media and telecoms) > Media: Media finance
- Projects, energy and natural resources > Oil and gas
- TMT (technology, media and telecoms) > PATMA: Trade mark attorneys
- Dispute resolution > Professional discipline
- Insurance > Professional negligence
- Real estate > Property finance
- Transport > Rail
- TMT (technology, media and telecoms) > Sport
- Corporate and commercial > VAT and indirect tax
- Corporate and commercial > Venture capital
- Finance > Bank lending: investment grade debt and syndicated loans
- Dispute resolution > Banking litigation: investment and retail
- Insurance > Clinical negligence: defendant
- Dispute resolution > Commercial litigation: premium
- Corporate and commercial > Corporate tax
- Finance > Derivatives and structured products
- Employment > Employee share schemes
- Corporate and commercial > Financial services: non-contentious/regulatory
- Employment > Health and safety
- Dispute resolution > International arbitration
- Investment fund formation and management > Listed funds
- Corporate and commercial > M&A: Upper Mid-Market And Premium Deals, £750m+
- TMT (technology, media and telecoms) > Media: Music
- Corporate and commercial > Private equity: transactions - mid-market deals (up to £500m)
- Risk advisory > Regulatory investigations and corporate crime (advice to corporates)
- TMT (technology, media and telecoms) > Reputation management
- Public sector > Administrative and public law
- Transport > Aviation
- Dispute resolution > Competition litigation
- Finance > Corporate restructuring & insolvency
- Finance > Debt capital markets
- Corporate and commercial > Equity capital markets: mid-large cap
- Corporate and commercial > EU and competition
- Dispute resolution > Public international law
- Dispute resolution > Tax litigation and investigations
- Finance > Acquisition finance
- Finance > Transport finance and leasing
- Investment fund formation and management > Private funds