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  • Health and safety

  • HIV

  • Industrial deafness

  • Lead poisoning

  • Needle stick injuries

  • Psychiatric injury

  • Policy wordings and coverage

  • Post-traumatic stress disorder

  • Pre-action disclosure

  • Stress at work

Assault, harassment and bullying are areas of particular expertise. We have acted in claims arising out of schools, care homes, a secure children’s home and a private psychiatric hospital.


We have advised on vicarious liability in relation to assaults by security staff in nightclubs. Mariel has written a book on the subject: A Practical Guide to Vicarious Liability (2018). She advises on policy coverage issues in relation to "deliberate acts".

We recently defended a multi million pound claim for severe brain injury arising out of an alleged assault at a nightclub, on behalf of a security company and its insurers. We are also instructed in related possible third party proceedings.


Claimants have instructed us in a number of personal injury claims arising out of stress at work in prisons.


Aspen Insurance instructed us to defend respiratory and other disease claims on behalf of a range of organisations, including local authorities.


We have defended numerous liability claims arising out of building sites in London on behalf of construction project policy lead insurers. We were nominated solicitors on the policy for the Rugby Football Union’s south stand at Twickenham.


Brokers refer uninsured construction companies and others who are defending industrial deafness claims to us.

  • Assault

  • Back injury

  • Beat knee

  • Bullying and harassment

  • Carbon monoxide poisoning

  • Disasters

  • Fatalities

  • Fibromyalgia

  • Group litigation

  • Hand arm vibration syndrome

Case Summaries

Deliberate Acts

Mariel advised a broker specialising in policies of insurance for security guard companies on the meaning and effect of standard exclusion clauses covering deliberate acts and the implications of removing the exclusion.


Mariel defended a serious assault case on behalf of a Lloyds syndicate and its insured, a security company. The relatively young claimant had suffered serious head injuries and lacked the capacity to act for himself. The claim was settled at mediation. At Mariel’s instigation a successful application was made against the local authority for pre-action disclosure of inspection and maintenance records (defended by a silk), with a view to possible contribution proceedings.

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