Welcome to Dettmann Longworth Lawyers – Chatswood, New South Wales Office 

Founded in 1938, Dettmann Longworth is one of the oldest law firms on Sydney’s North Shore.  

Dettmann Longworth Lawyers' have substantial experience in practically every major area of the law. That breadth of legal experience and over 70 years of in-depth knowledge of our community enable Dettmann Longworth Lawyers to provide exceptional legal services to our clients. Within this site you will find more about us, who we are and what we do. The most you may ever need to know about us however is that we have been around for a very long time, we are very good at what we do, we are well respected and highly regarded and we provide an accessible service, focussed on a "problem-solving" approach.



Family Law
The end of a relationship can feel challenging, but it doesn’t need to be impossible. We have the experience to deal with the legal practicalities and a wide network to whom we can refer you for any other needs, including counselling, family therapy or financial advice We have the legal tools you need.  
Corporate & Business Law
When setting up a business, dissolving one or just operating day-to-day, you need supportive legal guidance. We have what you need.
Commercial & Civil Litigation
Facing a civil litigation lawsuit? From business and commercial disputes to bankruptcy and employee law, we have the experience you deserve.
Real Estate & Conveyancing
From buying property to dealing with landlords, we can provide you with the necessary advice and legal protection. 
Wills, Trusts & Estates
Looking to draft your Will, a Power of Attorney, a Guardianship Appointment or the planning of your Estate? We can help you plan for the future of you and your family.