Anonymous,  April 2019

"Just wanted to thank you so much for your help and guidance. Without you fighting for me today I really feel as though it would of gone differently. Thank you so much."

Anonymous, April 2019

"Highly experienced examining all the evidence and how he would run the defence in court. With the circumstances of my case he explained all scenarios in order for me to make decisions on how to proceed. At court the process ran as smooth as possible. During the proceedings Mark adopted a strategic and crucial approach to achieve the expected result.  I had confidence in Mark throughout - highly recommended."

Anonymous, not guilty verdict

"What I can I possibly say now in any sense of some adequate words to you two - Stuart and Mark

Mark, Stuart – it isn’t just me thanking you both from the bottom of my heart. It is every member of my lovely family

I have lived, breathed and worked with you two for ever it seems.

Suddenly you won’t be there. It already feels peculiar. I’ve just lost two of my best friends. You quite rightly may see all this as a working relationship and the job is done. Move on. That’s right.

For me though, it will always be more personal than that. It’s like we’ve been travelling the world together and now it’s time to say our goodbyes and get on our separate aeroplanes for home.

This will now stay with me for the rest of my life. But I will always remember you both with great affection, respect and gratitude.

Once again, simply thank you."

Anonymous, Alleged Sexual Offences case, not guilty verdict, March 2018

“From my first meeting with Mark, I knew he was the right man to represent me. He seemed to understand myself and my case at a deep level; it was a real human situation to him, not just a set of legal papers. I can say with confidence that, however tough the journey to acquittal has been, I have never regretted that decision.
During the period of trial preparation, Mark made himself as available as possible. He explained everything to me in great detail and considered the case from every conceivable angle. This process is difficult for you at times, as the client, because you don’t always want to consider painful hypotheticals, but it is invaluable. It means you arrive at trial having already thought through every detail of the case from every perspective, and you are ready to respond to anything which arises in the fluid trial process. It was always apparent to me, throughout these discussions, that Mark had spent a great deal of time ruminating on the matters himself. I feel he gave his all to my case. It showed when we came to trial. My impression was that he understood the reality of the case at a fundamentally deeper level than the Prosecuting barrister.
In presentation, Mark is humble, likeable and extremely credible. He is one of those people who you cannot ignore. His grasp of the law reflects his considerable experience. Various matters of law arose throughout the various hearings we attended, and many cases were raised. Mark seemed to know all of them already and to appreciate their significance and application. My lay observation was that it was his level of experience and ability to see how the law should apply which gave him an edge over his opponent.
In the end, working together with my solicitor, Mark secured a judgement of “no case to answer” resulting in an automatic “not guilty” verdict. Mark’s masterful cross-examination was indisputably crucial in this outcome. With a less thorough approach and a less sensitive and expert performance in court, the weaknesses in the Prosecution case may never have been illuminated.
I am deeply grateful for all he has done for me. I have no hesitation whatsoever in recommending Mark.”

Chambers & Partners 2018 - Rated as Band 2 

"Noted for his representation of accountants and other professionals in complex fraud cases. He is adept at handling cases concerning carousel fraud, MTIC fraud and banking fraud. 

Strengths: 'He's analytical and indefatigable.'"

Mr P. Gloucestershire - Sexual abuse case with 9 complainants, not guilty verdicts on all counts

"I was recommended and introduced to Mark through our solicitor Stuart Sutton. Throughout the traumatic two years dealing with the false allegations raised, Mark was a stabilising element. Thorough in his analysis of the situations to be handled, and reassuring in times of my concerns. I was included at all stages of preparation for the defence and involved in making decisions during the trial. Mark ensures that you are at the centre of preparation work and the pre-trial research. Mark says he needs clients to take on “ownership” of the case and to put in “work” on the case. I would recommend his services without reservation."

Anonymous - Alleged historic sexual abuse, October 2017, not guilty verdict

"Mark Kelly has an amazing ability to filter, absorb and retain important details from what becomes a vast array of often jumbled information which accrues as the case progresses. I often found myself trying to explain a specific detail only to realise later that he had already seen, understood and either filed it away or discarded it as being irrelevant to the case. Mark has an amazing analytical mind. He considers all possible scenarios before selecting the best course of action. He is able to do this whilst under pressure or even whilst discussing another unconnected topic.

Mr Kelly has a commanding presence. His confident, articulate and almost theatrical presentation style holds the attention of his audience. Mark’s closing speech was dramatic – in the true sense of the word. There is absolutely no doubt in my mind that the jury fully understood all the points that he made. He engaged with jury members and ensured they remained attentive & focused. At the end of his speech, he was clearly physically drained and the jury was visibly moved.

In summary, I believe Mr Mark Kelly to be a truly outstanding professional. I felt entirely safe in his hands at all times. The jury reached unanimous not-guilty verdicts on all three charges in less than 45 minutes. I would stress that this testimonial is not based on the outcome alone; I had already expressed my gratitude to Mr Kelly before the final trial day and would have said the same whatever the outcome."

Anonymous - Alleged sexual assault on a foster child by a foster parent, held at Blackfriars CC, September 2016, not guilty verdict

"My family and I would like to thank Stuart Sutton and Mark Kelly for acting on my behalf. It was a very daunting experience, something I wouldn’t wish on anyone. Thank you for your patience, as I am not fluent in English I struggled to express/communicate the way I wanted to which was very frustrating for us. I want to thank Barrister Mark Kelly for his closing speech which was put forward as very thorough, he had such compassion he nailed it !! We would not hesitate to recommend you to others."

Anonymous - Historic sexual abuse case heard at Wood Green Court London, dating back to 1989, January 2017, not guilty verdict

"Mark Kelly is an excellent ally in court and gets the job done. He has a methodical approach and considers all details, with particular attention to the chronology of events, leaving no stone unturned. He commands a wide variety of defence strategies and has great tactical skills - he can analyze the case from both perspectives and this allows him to preempt the prosecution's attacks. I would certainly recommend him."

Anonymous - Sexual abuse case that resulted in not guilty verdicts on all counts, December 2016 

"Mr Kelly was an invaluable source of direction and consistency in a very unpleasant case for us. He was able to prepare thoroughly and through third-party disclosure, he unearthed the complainant's blatant fabrications which undermined the prosecution's position conclusively. I would highly recommend his services, especially in sensitive and emotional cases where you need articulate and decisive counsel."


"Mark came to the aid of my wife (a nurse) when she was made an interested party at an inquest into the death of a patient on her ward at a nursing home where she acted as senior nurse on her floor. He represented my wife at the inquest pro bono having assisted her in preparing for the hearing. It would have been impossible for us to have afforded representation for the hearing. At the conclusion of the hearing my wife was exonerated of any blame by the Coroner and she has been able to continue to progress her career. We are eternally grateful."

Chambers & Partners 2017 - Rated as Band 2
"A good, analytical lawyer. He worked incredibly hard and devised legal submissions which won the case."

Chambers & Partners 2016 - Rated as Band 2
"He thinks about the minutiae of the evidence and discusses every point with me and with the clients. He is an excellent advocate and out-thinks his professional opponent."

Chambers & Partners 2014 - Rated as Band 1 
"Has significant criminal fraud experience. Instructing solicitors admire his approachability, responsiveness and grasp of detail."

Chambers & Partners 2013 - Rated as Band 1
''Mark Kelly of No5 Chambers has a well-regarded criminal defence practice and is praised as an "excellent leading junior fraud counsel" by sources''


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"A good, analytical lawyer. He worked incredibly hard and devised legal submissions which won the case."

Chambers & Partners 2017 - Rated as Band 2

Latest news

21 March 2019

Case of YZ (and A.N.other) 2019 EWCA CRIM 466 judgment handed down on 19 March 2019. Our client sentenced to a term of imprisonment of 6 years after entering guilty pleas for sexual assault of a child and the making and distribution of indecent image.