Katherine qualified as a solicitor in 2004 and is a Member of The Law Society Private Client Section and the Society of Trust and Estate Practitioners (STEP). Katherine is recognised for her pragmatic approach towards helping families of disabled or vulnerable people. She has a meticulous eye for detail and clients appreciate the straight-talking attitude to often sensitive situations. Katherine is responsible for the telephone service provided to Mencap, advising service users on queries regarding Wills and Trusts.
Katherine advises parents and carers of children on the autistic spectrum. Katherine is considered an expert in this field and is recommended widely by clients and professional referrers alike. She regularly speaks to, and advises, autism support charities and parent groups across Sussex.
Katherine has passed the STEP Advanced Certificate in Advising Vulnerable Clients, launched in 2014 this respected qualification has only been undertaken by a small group of professionals, making Katherine and Philip the first lawyers in the country to hold this certification.
Katherine is recognised as a Leading Individual in the Chambers and Partners High Net Worth Guide 2026, with the following recognition:
“Katherine Miller was extremely knowledgeable, helpful and supportive in getting all the work done. She is an excellent listener who is quick to understand the situation and helped us according to our needs. She was always very open to going through things as many times as I needed and very accessible on the phone”.
She is also a Recommended Lawyer with Legal 500, the 2026 edition reports: ‘My wife and I instructed Renaissance Legal to deal with our personal affairs, including ensuring that our disabled son is well provided for. Katherine Miller was superb.’
Previous editions have described Katherine as ‘Diligent, dedicated’ and ‘an excellent practitioner’ and as being ‘exceptionally sensitive to the needs and challenges that vulnerable clients and their families’.
“Katherine Miller made writing our wills, setting up
a disabled persons trust and letter of wishes very easy
and I would recommend her to other parents who need this
service unreservedly.”
If you were not a lawyer what job would you do?
A safari guide at a National Park in Zambia (if I was little more adventurous and brave!)
If you were given a day off work where would we find you?
Taking the kids to some activity or other or food shopping!
What can you do that no one else in the office can do?
A somersault, these days assisted by a trampoline.
If you could go back in history to a specific date or time, what would it be?
The 1970s to watch Liverpool play football, preferably when they first won the Champions League.
Where in the world would you most like to visit?
Borneo – for the amazing and unique wildlife.
