Alistair Rustemeyer
Alistair is a Contentious Probate Solicitor who qualified in 1994. Before joining Cognitive Law, he was a Partner in a leading regional law firm.
Alistair is a Contentious Probate Solicitor who qualified in 1994. Before joining Cognitive Law, he was a Partner in a leading regional law firm.
Alistair exclusively advises clients on all disputes relating to wills, probate, inheritance, and trusts. His approach is to preserve estates and avoid costly, court action. Alistair’s dedication to this niche area allows him to provide a compassionate approach towards his clients whilst robustly representing their interests.
Alistair approaches all estate disputes equally, regardless of size, and consistently delivers results within agreed budgets.
Expertise
- Full member of the Association of Contentious Trust and Probate Specialists (ACTAPS), which means he is a recognised specialist in this niche area.
- Accredited mediator with The Centre for Effective Dispute Resolution (CEDR).
Experience
- Disputes between beneficiaries/PRs(executors)/trustees including:
- Resolving disputes
- Removal of PRs/Trustees
- Challenging Trustees’ decisions
- Disputes regarding the validity of a Will including:
- Testamentary capacity
- Knowledge and approval
- Fraud or undue influence
- Due execution
- Caveats & Citations
- Claims for financial provision under the Inheritance (Provision for Family and Dependants) Act 1975 by:
- Minor/adult children and dependants
- Spouses/former spouses/civil partners and cohabitants
- Disputes arising out of lifetime transaction including:
- Financial abuse and recovery of misappropriated funds
- Claims against attorneys
- Predatory marriages
- Other disputes, including:
- Constructive trusts
- Distribution under the Intestacy Rules
Alistair provides personalised and effective legal solutions for his clients, ensuring their peace of mind during challenging times. If you need expert advice on any contentious probate matters, feel free to reach out to him at alistair.rustemeyer@cognitivelaw.co.uk

Practice areas
Testimonials
"Many thanks for all you help and advice (plus humour) on this most horribly drawn out and stressful episode. The last couple of years have been a bit of an emotional rollercoaster, but with you to guide us it has given us some reassurance and confidence that we would get a more positive outcome.
We were very pleased with Cognitive Law and I have personally already recommended your services. We shall also be using the firm again in the near future."
"I have been very pleased with the service I have received from Alistair Rustemeyer. He has been very helpful, understanding & informative with my case which occurred at a very difficult time for me. He has been prompt with correspondence & phone calls, and a very pleasant person to work with."
"Alistair has proven to be an excellent solicitor and has helped sort out a very difficult issue for me. He has always been very supportive and is also a good listener. I am pleased to say that due to his input, the matter has now been resolved. I would thoroughly recommend his services."