Niall Costello

0282 565 5572

Niall joined us in 2013, part way through his training period, and qualified as a solicitor in May 2014. Niall has worked as a specialist Clinical Negligence Solicitor since qualifying and now supervises and assists other members of the Clinical Negligence team. Niall has also been admitted as a Solicitor of the Court of Judicature of Northern Ireland.

Prior to completing his law degree in July 2010, he obtained a BA (Hons) in Accounting and Finance. Between finishing his studies and joining Price Slater Gawne, he has worked as a Costs Negotiator at a North West based law costs firm. Niall also gained valuable experience working closely with senior Solicitors and Partners on high value brain injury and clinical negligence claims at a niche Merseyside Personal Injury firm.

Outside work Niall is a keen golfer and sails when time allows.




What Niall’s been talking about

Niall Costello – Trainee to Solicitor with PSG

Ambulance privatisation, missed appointments and the cost to patients as well as the NHS

When pregnancy goes wrong and is ectopic

Human Rights ruling on “Do not resuscitate”

Cauda Equina Syndrome – the symptoms

Royal Liverpool Hospital’s “Never Event” surgery mistake

Breakthrough in treatment for peanut allergy sufferers

Recent Cases

Early release from hospital

Kind words

“I would like to say how impressed I have been with Niall’s handling of my medical negligence claim. Niall was always honest and upfront about what I could expect and his advice was second to none. Nothing was ever too much trouble for him and he was thorough, personable, approachable and professional throughout the process.

I would have no hesitation in recommending Niall and PSG to anyone who requires a highly knowledgeable and professional solicitor, who will do their utmost to secure a good outcome”.

“I cannot express how happy I am that I decided to use Price, Slater and Gawne for my medical negligence claim. I have just received a successful settlement thanks to Niall Costello’s hard work and the team at Price Slater Gawne.

I cannot thank Niall Costello enough for all the hard work he has put into my case, not only was he kind, considerate, passionate about my case. He was a total professional, well informed and understanding about my case and my medical condition, he would be quick to inform me of any developments.
This has been an incredibly difficult time on a personal level, I felt really looked after by your organisation.
I would highly recommend you without a second thought.
Thank you all for all that you have done for me”.
Ms.C, Medical Negligence Client

“Everything from our first enquiry and meeting was professionally handled and all options were explained.  We were treated in a caring, friendly and professional manner at all times.  No stone was left unturned to achieve an excellent result.  We really could not have got a better team to act on our behalf.”
Mr.O, Medical Negligence Client

“I thought the case was a difficult case to win but Price Slater Gawne could see that the case had merit and acted. 3 1/2 years later I received a letter of apology and a case settlement”
Mr M, Medical Negligence Client

“I am extremely happy with the service provided and would thoroughly recommend Price Slater Gawne. From start to finish I was fully informed and supported during the court hearing”.
Mrs B, Herts

An excellent standard of service – info was explained clearly and I was given good updates via email – which I preferred. I would certainly recommend this firm and I would recommend Mairin and Niall in particular.
GBP, Cheshire

I just wish to say thank you very much for all your help and advice from the beginning to end, especially to Niall Costello. I had very good advice and help all the way.
Mrs AH, Bedford

Niall explained information clearly and gave good updates through the case and used emails which is what I prefer.
GP, Cheshire

“Niall drives a hard bargain! He gets great satisfaction from obtaining worthy settlements for his clients.”