Daniel practises across all aspects of commercial law and is particularly well known for his experience in international commercial disputes involving conflicts of law or foreign law. He has extensive experience in the energy sectors, joint venture disputes and in challenges to jurisdiction. He is a veteran of numerous heavy-weight commercial disputes in both the High Court and Court of Appeal, including the following reported cases:

• The Public Institution for Social Security v Al Rajaan & Ors [2022] EWCA Civ 29 (Court of Appeal)
• SCOR SE v Barclays Bank Plc [2020] EWHC 133 (Comm) 
• JSC Commercial Bank Privatbank v Kolomoisky & Ors [2019] EWCA Civ 1708 (Court of Appeal) 
• Merinson v Yukos International UK BV [2019] EWCA Civ 830 (Court of Appeal)
• United Company Rusal Plc v Crispian Investments Ltd [2018] EWHC 2415 (Comm)
• Great Station Properties SA & Anor v UMS Holding Ltd & Ors [2017] EWHC 3330 (Comm)
• UMS Holding Limited v Great Station Properties [2017] EWHC 2398 (Comm)
• IPM Energy Trading Ltd v Carillion Energy Services Ltd [2017] EWHC 1399 (Comm) 
• Peretz Winkler v Angela Shamoon [2016] EWHC 2017 (Ch)
• Peak Hotels And Resorts Limited v Tarek Investments Limited & Ors [2016] EWHC 333 (Ch)
• Georgian American Alloys Inc v White & Case LLP [2014] EWHC 94 (Comm)
• Cherney v Deripaska (2013)
• Berezovsky v Abramovich [2012] EWHC 2463 (Comm)
• Berezovsky v Hine & Ors [2011] EWHC 1716 (Ch)
• Berezovsky v Abramovich [2011] EWHC 1143 (Comm)
• Berezovsky v Abramovich [2011] EWCA Civ 153 (Court of Appeal)
• Butters v BBC Worldwide Ltd [2009] EWCA Civ 1160 (Court of Appeal)
• Friis v Colburn [2009 EWHC 903 (Ch)
• Yugraneft v Roman Abramovich [2008] EWHC 2613 (Comm)
• Sibir Energy Plc v Roman Abramovich, Sibneft (Court Of Appeal, Eastern Caribbean, 2006)
• Heath Lambert Ltd v Corretaje de Seguros (No.2) [2006] 2 Lloyd's Rep 551
• Legal & General Assurance Society Ltd v Thomas, [2006] EWHC 1770 (Ch)
• Riyad Bank & Ors v Ahli United Bank (uk) Plc [2006] EWCA Civ 780 (Court of Appeal)
• Heath Lambert Ltd v Sociedad de Corretaje de Seguros, [2005] 1 Lloyd's Rep 597(Court of Appeal)
• Days Medical Aids Ltd v Pihsiang Machinery Manufacturing Co Ltd [2004] 1 All ER 991 (Comm)
• Nelson Group Services (Maintenance) Ltd v BG Plc [2002] EWCA Civ 547 (Court of Appeal)
• Groupama Insurance Company Ltd v Overseas Partners Re Ltd [2002] EWHC 34 (Comm)
• Sphere Drake and Alexander Howden v Orion Insurance [2001] Lloyd's Rep 1 (Court of Appeal)
• Walkinshaw v Diniz [2002] 2 Lloyd's Rep 165 (Court of Appeal)
• The Indian Endurance (No. 2) [1997] 3 WLR 818 (House of Lords)

In addition to his commercial practice, Daniel Jowell KC is known as “one of the best competition silks around” (Chambers and Partners 2016) and has recently been described as giving “the clearest and best strategic advice of anyone at the competition Bar" (The Legal 500 2022). He has been instructed on many of the major competition law damages actions in the High Court and CAT (including several collective actions) and in a number of challenges to the decisions of regulators, including those of Ofgem and the CMA. He was winner of the Chambers and Partners award of Competition law “Silk of the Year” for 2015/2016, and 2025.

Reported cases include:

• Allergan Plc v CMA [2023] CAT 56
• UK Trucks Claim Ltd v Stellantis NV & Ors [2023] EWCA Civ 875 (Court of Appeal)
• Evans v Barclays Bank PLC & Ors [2023] EWCA Civ 876 (Court of Appeal)
• Case T-451/20 Meta Platforms Ireland v Commission
• Consumers’ Association v Qualcomm Incorporated [2023] CAT 9
• London & South Eastern Railway Ltd & Ors v Gutmann [2022] EWCA Civ 1077 (Court of Appeal)
• Gemalto Holding BV & Ors v Infineon Technologies Ag & Ors [2022] EWCA Civ 782 (Court of Appeal)
• Meta Platforms, Inc. v. Competition and Markets Authority [2022] CAT 26
• UK Trucks Claim Limited v Stellantis N.V. & Ors [2022] CAT 25
• Competition and Markets Authority v Flynn Pharma Ltd [2022] UKSC 14 (Supreme Court)
• Michael O’Higgins FX Class Representative Ltd v Barclays Bank & Ors [2022] CAT 16
• Euronet 360 Finance Limited & Others v Mastercard Incorporated & Others [2022] CAT 15
• Gemalto Holdings v Infineon Technologies Ag [2022] EWHC 156 (Ch)
• OT Computers Limited (in liquidation) v Infineon Technologies AG and Micron Europe Limited [2021] EWCA (Civ) 501 (Court of Appeal)
• Cadent Gas Limited & ors v Gas and Electricity Markets Authority (CMA’s Final determination of 1 November 2021)
• Facebook Ireland Ltd v the European Commission (Case T-451/20 R)
• Granville Technology Group Ltd v Infineon Technologies AG [2020] EWHC 415 (Comm)
• AB Volvo (Publ) & Ors v Ryder Ltd & Ors [2020] EWCA Civ 1475 (Court of Appeal)
• Iiyama (UK) Ltd v Samsung Electronics Co Ltd [2018] EWCA Civ 220 (Court of Appeal) 
• ABF Ltd v Recticel NV/SA [2017] EWHC 3610 (Ch)
• Vodafone Group Services Ltd & v Infineon Technologies AG [2017] EWHC 1383 (Ch)
• Sainsbury's Supermarkets Ltd v Visa Europe Services LLC & Anor [2017] EWHC 3047 (Comm)
• Iiyama Benelux BV & Ors v Schott AG [2016] EWHC 1207 (Ch)
• Emerald Supplies Ltd v British Airways [2015] EWHC 2201 (Ch)
• Arcadia Group Brands Limited v Visa Inc [2014] EWHC 3561 (Comm)
• Emerald Supplies Ltd v British Airways Plc [2014] EWHC 3514 (Ch)
• Cooper Tire & Rubber Company Europe Ltd v Dow Deutschland [2014] EWHC 1578 (Comm)
• HMRC v Philips Electronics UK Ltd (Case C-18/11)
• AstraZeneca v Commission (Case C- 457/10 P)
• Nokia Corporation v AU Optronics Corporation [2012] EWHC 731 (Ch)
• HSBC Holdings and BNY v HMRC [2012] UKFTT 163 (TC)
• National Grid Plc v ABB Ltd [2011] EWHC 1717 (Ch)
• Competition Commission v BAA Ltd  [2010] EWCA Civ 1097 (Court of Appeal)
• HSBC Holdings v HMRC (Case C-569/07)
• Cooper Tire & Rubber Company Europe Ltd & Ors v Dow Deutschland Inc & Ors [2010] EWCA Civ 864 (Court of Appeal)
• Philips Electronics UK Ltd v Revenue & Customs [2009] UKFTT 226 (TC)
• R (Cityhook Ltd) v Office of Fair Trading [2009] EWHC 57 (Admin)
• AstraZeneca v Commission (Case T- 321/05)
• Atheraces v The British Horseracing Board Ltd [2005] EWHC 3015 (Ch); [2005] EWHC 1553(Ch); [2007] EWCA (Civ) 38
• Adidas Lawn v Tennis Association [2006] EWHC 1318 (Ch)
• Ryanair Ltd v Stansted Airport Ltd [2004] EWHC 3007
• Days Medical Aids Ltd v Pihsiang Machinery [2004] EWHC 44 (Comm)
• Getmapping Plc v Ordnance Survey [2002] EWHC 1089 (Ch)
• Tate & Lyle Plc v European Commission (Joined Cases T-202/98); British Sugar Plc -v- European Commission (Case C-359/01P)
• R v Intervention Board for Agricultural Produce ex parte British Sugar (Case C-101/99)

Daniel has appeared as counsel in a number of significant commercial arbitrations over many years, including those governed by L.C.I.A., I.C.C. and ad hoc rules. In 2017, he successfully secured an award for over $300m in the High Court: UMS Holding Ltd v Great Station Properties [2017] EWHC 2398 (Comm).

After obtaining a first class degree in PPE at New College, Oxford, a Frank Knox scholarship to Harvard University and an LLM at the College of Europe (Bruges), Daniel Jowell was called to the Bar in 1995.  A tenant at One Essex Court from 1996, he joined Brick Court Chambers in 2005.  He was appointed to silk in 2011.

He was called to the Bar of the British Virgin Islands in 2005 and to the Bar of the Republic of Ireland in 2019.

Commercial Dispute Resolution

• "Daniel is very good on his feet." (Chambers & Partners 2024)
• "Daniel Jowell is very clever and provides considered advice." (Chambers & Partners 2024)
• "Very clever and with an engaging style – really cares about winning and does everything he can for his clients. Excellent understated style as an advocate, but at the same time a really robust cross-examiner who isn’t afraid to get stuck into the details of a case." (The Legal 500 2024)
• "Daniel is well prepared and incredibly good in court." "He is an extremely strong KC, who is very good strategically, very impressive on his feet and great to have in your corner." (Chambers & Partners 2023)
• "He is an excellent all-round lawyer with strong analytical skills. Also a highly competent advocate, very fluent and quick on his feet." (The Legal 500 2023)
• "A very able, clever and reliable KC and who solicitors would not hesitate to instruct on a large piece of commercial litigation." (The Legal 500 2022)
• "Very thorough and shows good attention to detail. He is strategic, cautious and careful in his advice, and good on his feet." (Chambers & Partners 2022)
• "An excellent advocate, who offers clear advice, he is outstanding." (The Legal 500 2021)
• "A well-rounded commercial silk, with competition law experience, who has excellent judgement." "He is very responsive, a pleasure to work with and a tenacious advocate." (Chambers & Partners 2021)
• "Up there with the best." (The Legal 500 2020)
• "He's an advocate with a diversity of skills who can handle anything and is both bright and persuasive." (Chambers & Partners UK & Global 2020)
• "Outstanding when it comes to understanding and probing economic evidence." (Chambers & Partners 2020)
• "Daniel Jowell KC is razor sharp and charming." "He's got a very good manner, he produces very good, succinct written opinions, and he's very keen and very proactive." (Chambers & Partners UK & Global 2019)
• "A clear thinking and polished advocate." (The Legal 500 2018)
• "He is a good advocate and a very very bright lawyer." (Chambers and Partners 2017)
• "A superstar in the making." (The Legal 500 2016)
• "Superb, really hard-working, good in court and in cross-examination." (Chambers and Partners 2016)
• “An excellent reputation for competition law and general commercial litigation” (The Legal 500 2015)
• “Instructing solicitors hold him in high regard, praising him as a ‘brilliant up-and-coming all-rounder’.” (Chambers & Partners 2015)
• “Since taking silk in 2011, Jowell has impressed observers with his commercial law and competition/EU practice. He is a high-quality advocate with strong cross-examination skills and an exceptional attitude to client service.” (Chambers & Partners 2014)
• "One of the outstanding junior silks at the Commercial Bar. He is a future mega star." (Chambers & Partners 2014)
• "Sources say his cross-examination and his written work are both excellent." (Chambers & Partners, 2013)

Competition Law

• "Daniel is excellent with clients, particularly when setting strategy. He is a smooth and persuasive advocate, unruffled when the going gets tough." (The Legal 500, 2025)
• "He has excellent judgement in difficult situations, and a calm authority in the way that he masters issues and persuades the court to be on his side." (Chambers & Partners 2024)
• "He is very impressive in his advocacy." (Chambers & Partners 2024)
• "He is very nice and easy to work with." (Chambers & Partners 2024)
• "He is very good on his feet, a quick thinker and he engages with economic detail. He is an excellent conduit for someone without any economic law background." (Chambers & Partners 2024)
• "Daniel is an excellent, calm advocate with a great ability to think on his feet and remain calm under pressure." (Chambers & Partners 2024)
• "Leading competition silk – very user friendly and super easy to deal with."  (The Legal 500 2024)
• "Daniel Jowell is the most impressive advocate. He was very calm and sensible and had the ear of the court." (Chambers & Partners 2023)
• "Daniel is a star in his field, with a very strong grasp of the law but also particularly commercially minded." (The Legal 500 2023)
• "He gives the clearest and best strategic advice of anyone at the competition Bar." (The Legal 500 2022)
• "He is imaginative and thinks of creative ideas." "He is down to earth, pragmatic, commercial and easy to deal with. He has good strategic judgement." "Versatile and innovative, quick to get to the nub of the issue and identify the optimal solution." (Chambers & Partners 2022)
• “Well known as “a standout at the competition bar." (Who's Who Legal 2022)
• Daniel Jowell KC is “a top-notch competition litigator” who earns plaudits for his “sound judgement, accurate analysis and strategic ability to present appealing arguments to the tribunal”. (Who's Who Legal 2021)
• "He has a superb intellect, and is user-friendly and responsive." "Amazing in court, great in hearings and incredibly thorough." (Chambers & Partners 2021)
• "Exceptionally intellectually able and great at distilling complex arguments into the essential points." (The Legal 500 2021)
• "Daniel has the court's confidence when he delivers his arguments and is good at winning the bench over." "He's also excellent on the economics of competition cases." (Chambers & Partners 2020)
• "Picks up the phone and is able to give an immediate opinion on the case." "You wouldn't have any hesitation about putting him in front of any clients as he's user-friendly and knows his subject matter extremely well." (Chambers & Partners UK & Global 2020)
• "He gets to grips with complex economic evidence, and presents it clearly and persuasively." (The Legal 500 2020)
• Daniel Jowell KC is "a very bright, clear-thinking and strategic advocate" say market commentators, who applaud his "outstanding legal knowledge and impeccable client service". One source adulates, "Daniel is absolutely first class - in my opinion he is the leading litigation KC, and our first pick if we can get him for major cases." (Who's Who Legal - Competition 2019)
• Daniel Jowell KC is highlighted by clients for his “impressive competition law expertise, combined with wide-ranging commercial experience which makes him a real asset in competition damages cases”. (Who's Who Legal - UK Bar: Competition 2019)
• "I have been very impressed with his advocacy and his ability to present key points well. He is also very practical in his approach." (Chambers & Partners UK & Global 2019)
• "Extremely strong advocate; he has an excellent strategic mind and a good client manner." (The Legal 500 2018)
• "He is a really excellent advocate. One of the things that he brings to cases is a broader commercial experience." (Chambers & Partners 2017)
• "An excellent advocate with a very sharp mind." (The Legal 500 2017)
• “very popular among his clients” and an acknowledged competition law expert among his peers, who praise his “stunning advocacy skills.” (Who's Who Legal, 2016)
• “An esteemed practitioner who climbs the rankings this year after showing his skills in handling some of the most complex mandates of recent times.” (Chambers and Partners 2016)
• "He's one of the best competition silks around. He's highly intelligent, has a fantastic manner when dealing with clients and the court and is a pleasure to work with." (Chambers and Partners 2016)
• “The “stellar” Daniel Jowell KC is renowned for his “razor-sharp intellect” and “brilliant manner with clients”. Instructing solicitors praise his “first-class” written and cross-examination skills.” (Who's Who Legal UK Bar 2015)
• “An excellent reputation for competition law and general commercial litigation” (The Legal 500 2015)
• "A super-bright barrister with an excellent level of responsiveness." (Chambers & Partners 2015)
• "Brings original thinking to the table and is able to stand his ground when challenged."  "Has excellent judgement and writes very well." (Chambers & Partners 2014)
• “Since taking silk in 2011, Jowell has impressed observers with his commercial law and competition/EU practice. He is a high-quality advocate with strong cross-examination skills and an exceptional attitude to client service.” (Chambers & Partners 2014)
• “Often called upon to represent clients in damages claims. He is recognised for his commercial expertise and praised for his strong drafting skills.” (Chambers & Partners 2014)
• "Since taking silk in 2011, Daniel Jowell KC has cemented his position as an excellent choice for those wanting a barrister who is "razor sharp" and "a real joy to work with." (Chambers & Partners, 2013)

Energy

• "A hugely experienced advocate with an acute sense of the points which will fly." (The Legal 500, 2025)
• "Daniel Jowell is a super advocate. He makes his points very firmly, but politely." (Chambers & Partners, 2024)
• "Daniel is very well respected. He is sensible and has good judgement." (Chambers & Partners, 2024)
• "He has an incredible ability to cut to the heart of a complex matter and he inspires complete confidence in the client." (Chambers & Partners, 2023)
• "One of the leading lights of the energy Bar, especially on the regulatory and competition side, he has a first-class intellect, is very good with clients and is is superb in court" (The Legal 500 2023)
• "Danny is a superb lawyer, very sensible and excellent with clients, he is equally confident and expert on energy regulation as on commercial contracts." (The Legal 500 2022)
• "He is very quick at picking things up, very commercial, very knowledgeable about energy regulation and extremely bright." "He is a very good advocate and has good judgement." (Chambers & Partners 2022)
• “Daniel Jowell QC is highly rated by peers, who commend his impressive advocacy in complex commercial and joint-venture disputes across the energy sector.” (Who's Who Legal 2022)
• The “fantastic” Daniel Jowell KC receives glowing praise for his profound expertise in complex cross-border energy disputes. (Who's Who Legal 2021)
• "He's a good all-rounder so can see the big picture. He is excellent with clients and his advocacy is good." *Chambers & Partners 2021)
• "An excellent barrister and courtroom advocate with great judgement and a very attractive advocacy style." (The Legal 500 2021)
• Daniel Jowell KC is an “incredibly smooth and persuasive advocate”, with a “fantastic” ability in commercial matters. (Who's Who Legal - UK Bar: Energy & Natural Resources 2020)
• "A superb and highly persuasive advocate with an uncanny ability to spot the key issues." (The Legal 500 2020)
• "Daniel is a very sharp intellect who provides excellent, detailed and strategic advice." "He is down to earth and has a good grip on detail." (Chambers & Partners UK & Global 2020)
• Daniel Jowell KC is “a fantastic commercial advocate with a very impressive court style”. He is particularly well versed in multi-jurisdictional commercial and joint-venture disputes across the energy sector. (Who's Who Legal - UK Bar: Energy & Natural Resources 2019)
• "Has a remarkable ability to zero in on the most important issues in a case and possesses really great judgement." "He is able to understand complex economic and regulatory issues quickly, and displays great commercial expertise, distilling his advice in a client-friendly way." (Chambers & Partners 2019)
• "Excellent." (The Legal 500 2018)
• "Very client-friendly and commercial. You can go to him with very complex issues and he will come up with something sensible every time." (Chambers & Partners 2018)
• Daniel Jowell KC “really stands out” at the Bar according to sources, who comment, “He is always reasonable, concise and carries the court with him.” One respondent effuses: “His advocacy is like poetry in motion.” (Who's Who Legal - UK Bar: Energy & Natural Resources 2018)
• "Daniel Jowell KC is a popular choice as lead counsel in major international arbitrations, including two major LCIA arbitrations in the energy sector last year both in excess of $100 million." (Who's Who Legal - UK Bar: Energy & Natural Resources 2017)
• "An accomplished advocate, who is commercially minded and highly regarded by clients." (The Legal 500 2017)
• "He has a good range of work and can see issues in the wider context. He's very, very good and clients think very highly of him." (Chambers & Partners 2017)
• "Charming and easy to work with." (The Legal 500 2016)
• “Bright and client-friendly, and delivers high-quality work every time.” (The Legal 500 2015)
• "charming as an advocate and as an adviser" (Legal 500, 2013)
• “Identified by peers as a fine performer…playing a vital role in the Berezovsky v Abramovich cases.” (Chambers & Partners 2013)

EU Law

• "Daniel's knowledge of UK and EU competition law is unsurpassed. He provides clear, detailed and pragmatic advice. He is a stand out advocate both in terms of identifying the best points to run, but also knowing when to change tack." (The Legal 500, 2025)
• "He is my go-to without hesitation. He is such a pleasure to work with for his advocacy, and he is sharp and good with clients as well." (Chambers & Partners 2024)
• "Daniel's standout quality is that he has excellent judgement in difficult situations. He has a calm authority in the way that he masters issues and persuades the court to be on his side." (Chambers & Partners 2024)
• "He is great on his feet: he has an understated, easy advocacy style, which is very effective. He's hugely smart and experienced. He’s very strong on the economics side as well, which tells him apart."  (Chambers & Partners 2023)
• "Daniel is up there with the best in terms of strategy, legal reasoning and client service." (The Legal 500 2023)
• "A very high level of expertise in EU law, combined with an ability to come up with new arguments and thoughts." (The Legal 500 2022)
• "Excellent to work with, knowledgeable but collegiate and willing to listen to others' views." "He is good at grasping the commercial angle." (Chambers & Partners 2022)
• "He is super smart, very user-friendly, pragmatic, a real pleasure to deal with and very good on his feet." (Chambers & Partners 2021)
• He is a strong advocate and able to address a senior court on difficult points of law. Very knowledgeable and client friendly. A pleasure to work with." (The Legal 500 2021)
• "A very charming and persuasive advocate." (The Legal 500 2020)
• "Has a fantastic manner with clients, and his advice is very clear and well structured." "He is very generous with his time and is the sort of barrister you can ring up even if not yet in a position to instruct him and he will be really helpful." "The manner in which he expresses himself, in person and in writing, is very clear and easy to follow." (Chambers & Partners 2020)
• "He is very friendly and able to offer pragmatic and accurate advice." (Chambers & Partners 2019)
• "He is exceptional all round." (Chambers & Partners 2017)
• "Great strategic thinker." (The Legal 500 2017)
• “Since taking silk in 2011, Jowell has impressed observers with his commercial law and competition/EU practice. He is a high-quality advocate with strong cross-examination skills and an exceptional attitude to client service.” (Chambers & Partners 2014)
• "Brings original thinking to the table and is able to stand his ground when challenged."  "Has excellent judgement and writes very well." (Chambers & Partners 2014)

Fraud

• "An elegant oral advocate, who has a good sense of what the court is looking for and the ability to deliver it." (The Legal 500, 2025)
• "Impressive powers of analysis. Clear and cogent on his feet, and a delight to deal with as an instructing solicitor – always available. Unlike some silks, he’s happy to be part of a team and get stuck in." (The Legal 500 2024)
• "Phenomenally bright and user friendly." (The Legal 500 2023)
• "Excellent." (The Legal 500 2022)
• "Good at distilling complex arguments into the essential points; a good team player and charming to deal with." (The Legal 500 2021)

Group Litigation

• "Daniel Jowell is absolutely my go-to for group actions and competition claims. He is extraordinarily good." (Chambers and Partners 2024)
• "Excellent with clients, and an effective advocate on his feet." (Chambers and Partners 2024)
• "He is very clever and always across all the detail. You always feel that he dedicates his time to understanding the facts and gives clients an excellent service." (Chambers and Partners 2024)

Tax

• "He's extremely bright, very commercial and he also has the distinction of being extremely likeable." (Chambers and Partners 2016)
• "His opinions are clear and direct, and he is articulate and impressive in front of clients." (Chambers & Partners 2015)
• "Easy to work with and a man who uses his charm to great effect in court." (Chambers & Partners 2014)
• "viewed by commentators as being someone who is "tipped for the top." "(Chambers & Partners, 2013)

Media & Entertainment

• "A first class intellect, who is good with clients" (The Legal 500 2014)