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Nick McMahon
Head of Health and Safety

Specialising in health and safety and environmental regulation, Nick McMahon heads up RPC's practice.

Nick regularly advises clients facing scrutiny from enforcement agencies such as the Health & Safety Executive, Local Authority Environmental Departments, the Environment Agency and Fire Authorities. 

Relevant work includes assistance to clients invited to interviews under caution, responding to investigations, attending inquests, defending prosecutions and/or preparing mitigation strategy. He has advised at board level on corporate health and safety issues, and frequently lectures and writes on topics of interest.

Nick's civil caseload includes claims of the highest value and complexity, including catastrophic personal injury. These arise from many business sectors such as healthcare, construction, manufacturing, logistics, motor and leisure. Nick has handled the defence of group actions regarding medical devices and pharmaceutical products. Insurance coverage advice impacts on many aspects of his work.

Directory quotes

Nick McMahon [is] 'a calm and reassuring presence for all his clients' - Legal 500 UK 2019

Nick McMahon is a "very knowledgeable and friendly" health and safety lawyer with experience acting for both organisations and individuals in HSE investigations  inquests and prosecutions following serious and fatal accidents. - Chambers UK 2020 

Clients note that he "offers sensible and practical advice." - Chambers UK 2020 

Nick McMahon is "extremely experienced" and has "good tactical awareness,". - Chambers UK 2019

Nick McMahon is regularly instructed by clients facing investigation and prosecution by enforcement agencies such as the HSE and fire authorities. He also represents clients at inquests, often concerning multiple fatalities. - Chambers UK 2018

Clients single out McMahon as "highly experienced and easy to work with". - Legal 500 UK 2018

The "highly professional, approachable and knowledgeable" Nick McMahon has expertise in high-value complex injury cases, pharmaceutical and product claims, and group actions. - Legal 500 UK 2017

Nick McMahon has significant expertise and experience in the full range of health and safety investigations and prosecution matters. Market sources describe him as being "diligent, meticulous and understanding, particularly in defence of HSE prosecutions." - Chambers UK 2017 

Nick McMahon is an expert in health and safety regulation and environmental matters. He has vast experience in investigations and prosecutions across a variety of industries, including construction, healthcare and manufacturing - Chambers UK 2016

Practice co-heads Gavin Reese and Nick McMahon are praised for their "ability to tailor advice to each situation" and "are able get the best out of those they are working with". - Legal 500 UK 2016

"Recommended" - Legal 500 UK 2016

"He has vast experience in investigations and prosecutions across a variety of industries, including construction, healthcare and manufacturing" - Chambers UK 2016

"Nick McMahon is ‘knowledgeable and pragmatic in his approach’" - Legal 500 UK 2015 

"Recommended" - Legal 500 UK 2015 

"Articulate, approachable and always willing to help" - Chambers UK 2015

"Nick McMahon and Gavin Reese are ‘two extremely solid and experienced partners, with huge experience in dealing with crisis management'' - Legal 500 UK 2014

"Sources admire his sound interpersonal skills, and speak of him as a "good person to work with and an able practitioner" - Chambers UK 2014


Health & Safety Lawyers Association 

Association of Regulatory and Disciplinary Lawyers

UK Environmental Law Association

Relevant work

Successful defence of prosecutions under the Regulatory Reform (Fire Safety) Order 2005 

Advice to national construction company regarding corporate manslaughter issues

Representation of senior officer in Environment Agency investigation under caution

Successful defence of go-kart manufacturer in catastrophic injury claim – Sophie Poole v SWRD & ors

MMR/MR Vaccine Group Litigation - co-ordinated NHS response to class action