Joanna Trewin > Hill Dickinson LLP > Manchester, England > Lawyer Profile

Hill Dickinson LLP
M2 2AS

Work Department



Joanna has over 18 years’ experience in advising the NHS and heads the Manchester healthcare team. Under Joanna’s leadership, the team has more than doubled in size over the last few years following significant tender and client wins.

Historically, Joanna and her team acted in high profile patient safety reviews and inquests and on the reported Court of Protection cases concerning the withdrawal of life sustaining clinical treatment, including the case of Salford Royal FT -v- Mrs P. and advice regarding withdrawal of treatment from Alfie Evans which received international press attention.

Joanna’s team also provide a niche offender health offering and act for a number of NHS and private healthcare providers in prisons.

Joanna’s team also provides advice in respect of independent homicide investigation reports to NHS England.

Joanna led the successful for tender for provision of all legal services to Pennine Acute Hospitals NHS Trust, the contract for which commenced on 20th June 2016 and has now transferred to the newly constituted Northern Care Alliance NHS Group that oversees Salford Royal NHS FT as well as Pennine. This is one of the largest NHS Groups in the country.

The teams’ key clients include: Northern Care Alliance NHS Group (covering Salford Royal and Pennine Acute), Manchester University NHS Foundation Trust, Bridgewater Community Healthcare NHS Foundation Trust, Warrington and Halton Hospitals NHS Foundation Trust, St Helens and Knowsley Hospitals NHS Trust, East Cheshire NHS Trust, and NHS England, as well as the following Clinical Commissioning Groups:- Manchester Central, North and South, Vale Royal, South Cheshire, East Cheshire, Oldham, Trafford and Warrington.


Trained Hill Dickinson 1999; solicitor 2001; associate 2005; partner 2008.


Manchester Law Society
Liverpool Law Society.


Liverpool Bluecoat (1994); Liverpool University (1997 LLB (Hons) 2(1)); LPC, Chester (1999 Commendation).

Lawyer Rankings

North West > Public sector > Health

(Leading individuals)

Joanna TrewinHill Dickinson LLP

The team at Hill Dickinson LLP has a full-service offering including inquest representation, healthcare governance, commercial support as well as inquiries and investigations.  A growing specialism is its work on safeguarding issues involving vulnerable adults and children. Joanna Trewin co-leads the team with experience in NHS trusts legal service provision while co-head Emma Stockwell advises clients on all aspects of corporate governance and regulatory matters. Paul Allerston was promoted to partner in May 2021.