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Tamsin Blow

Tamsin Blow


CMS Cameron McKenna Nabarro Olswang LLP
Cannon Place
78 Cannon Street
United Kingdom
Languages English

Tamsin Blow is a Partner in the Litigation and Arbitration Group, specialising in commercial, media and public law dispute resolution. Tamsin draws on over ten 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 a strong supporter of CMS’ CSR programme, in particular co-ordinating support for the Ladies Day initiative by Whitechapel Mission, which provides support to the homeless and vulnerable in East London.

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"Tamsin Blow supports businesses, particularly in the media, technology and gambling sectors, in complex judicial reviews. She has experience handling public law proceedings in the domestic and European courts."

Chambers, 2018

"Next Generation Lawyer"

Legal 500, 2017

"She is sharp, commercial and gets things done."

Chambers, 2017

"Described by peers as "meticulously thorough," and “someone who is going places"."

Chambers, 2016

Relevant experience

  • Judicial review before the English Court of legislation introducing point of consumption licensing and taxation of remote gambling and a reference to the Court of Justice of the European Union on behalf of the Gibraltar Betting and Gaming Association.
  • Yukos entities and former senior management in multi-jurisdictional litigation arising out of the misappropriation of assets and related issues.
  • Successful Supreme Court challenge of HMRC decision to disclose confidential information regarding Ingenious Media and its CEO.
  • Obtaining interim injunction for defamation, final judgment for defamation, strike out of conspiracy claim and several civil restraint orders on behalf of international accountancy firm.
  • Defendant to $120m fraud claim by Kazakh bank JSC BTA against former Chief Executive Mukhtar Ablyazov.
  • Secondment to the Management and Standards Committee of News International during the voicemail interception litigation and acting on the civil cases.
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  • 2006 – LPC, Oxford Institute of Legal Practice, Oxford
  • 2005 – GDL, Oxford Brookes, Oxford
  • 2003 – BA Hons, Cambridge
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21 March 2019
CMS Fin­an­cial In­sti­tu­tions Op­er­a­tion­al Re­si­li­ence Re­port
Down­load the full re­port to read about the key is­sues that were dis­cussed dur­ing the pan­el ses­sions and that are likely to arise for fin­an­cial in­sti­tu­tions.
01 October 2020
Gambling Com­mis­sion pub­lishes new guid­ance for VIP cus­tom­ers
The Gambling Com­mis­sion has pre­vi­ously warned op­er­at­ors that the treat­ment of VIP cus­tom­ers must change. Fol­low­ing the Com­mis­sion's con­sulta­tion in re­la­tion to high value cus­tom­ers (also known as VI­Ps), t...
15 October 2019
Gambling Com­mis­sion agrees £322,000 pack­age with Bet­fred for anti-money...
On 10 Oc­to­ber 2019, the Gambling Com­mis­sion (“Com­mis­sion”) an­nounced that it had reached a reg­u­lat­ory set­tle­ment with Pet­fre (Gibral­tar) Lim­ited, trad­ing as Bet­fred ( “Bet­fred”) in re­la­tion to Bet­fred...
20 September 2019
Gambling Com­mis­sion im­pose £1.8 mil­lion fine on Park Lane Club op­er­at­or
On 11 Septem­ber 2019, the Gambling Com­mis­sion (“the Com­mis­sion”) is­sued Sil­ver­bond En­ter­prises Lim­ited (“Sil­ver­bond”) a £1.8 mil­lion fine, an op­er­at­or li­cence warn­ing and ad­di­tion­al con­di­tions ad­ded to...
17 September 2019
Gambling Com­mis­sion re­mind­er – “the re­spons­ib­il­ity for com­pli­ance sits...
The Gambling Com­mis­sion has is­sued a re­mind­er to re­mote op­er­at­ing li­cence hold­ers that the re­spons­ib­il­ity for reg­u­lat­ory com­pli­ance with the Li­cence Con­di­tions and Codes of Prac­tice (the “LCCP”), lie...
13 August 2019
Gambling Com­mis­sion changes to Li­cence Con­di­tions and Codes of Prac­tice...
From 31 Oc­to­ber 2019 cer­tain changes to the Li­cence Con­di­tions and Codes of Prac­tice (“LCCP”) will take ef­fect fol­low­ing the Gambling Com­mis­sion’s (the “Com­mis­sion”) pub­lic­a­tion on 31 Ju­ly 2019 of its co...
19 July 2019
Gambling Com­mis­sion im­poses new li­cence con­di­tions for Casino 36
On 11 Ju­ly 2019, Casino 36 Lim­ited (“Casino 36”) con­cluded a reg­u­lat­ory set­tle­ment with the Gambling Com­mis­sion (the “Com­mis­sion”) after Casino 36 was found to have breached both its Li­cence Con­di­tions, spe­cifi...
02 July 2019
Gambling Com­mis­sion’s En­force­ment Re­port
On 27 June 2019, the Gambling Com­mis­sion (the “Com­mis­sion”) pub­lished its an­nu­al en­force­ment re­port, ‘Rais­ing Stand­ards for Con­sumers’ (the “Re­port”), which provides an over­view of the en­force­ment work it has...
26 June 2019
Gambling Com­mis­sion’s Na­tion­al Strategy to re­duce gambling harms
On 25 April 2019, the Gambling Com­mis­sion (the “Com­mis­sion”) launched its three-year Na­tion­al Strategy to Re­duce Gambling Harms (the “Strategy”). The Strategy will bring to­geth­er health bod­ies, char­iti...
26 June 2019
More Gambling Com­mis­sion fines for op­er­at­ors
Over the past two months, the Gambling Com­mis­sion ("Com­mis­sion") has an­nounced in three de­cisions (here, here and here) fur­ther sub­stan­tial fines against a num­ber of on­line casino op­er­at­ors in re­la­tion...
12 December 2018
On­line op­er­at­ors pay £14m and per­son­al li­cence hold­ers sanc­tioned for breaches
Over­viewOn 29 Novem­ber, the UK Gambling Com­mis­sion (the "Com­mis­sion") an­nounced that on­line casino com­pan­ies and their seni­or man­age­ment had been sub­ject to wide­spread ac­tion as part of an on­go­ing in­vest­ig­a­tion...
26 November 2018
Gambling Com­mis­sion fines Daub Al­der­ney £7.1m for anti-money laun­der­ing...
On 13 Novem­ber 2018, the Gambling Com­mis­sion ("Com­mis­sion") an­nounced its find­ings that on­line gambling busi­ness Daub Al­der­ney t/a Stride ("Stride") had breached con­di­tions of its li­cence re­lat­ing to...