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About Us

We are one of the largest specialist litigation practices in the country.
TDSL office

Thomas Dewar Sziranyi Letts was established in 1995.

Thomas Dewar Sziranyi Letts began life as a specialist civil, criminal and family law litigation practice, becoming one of the largest in the country. Over the years we have developed to offer a full service including property matters, trusts and wills, in order to take care of a wide variety of our clients' legal needs. 

We act for private and corporate clients and provide services principally in the Wellington region and also represent a range of clients based throughout New Zealand. Our offices are in the Queensgate Tower, Lower Hutt and Lambton Quay, Central Wellington.

At Thomas Dewar, many of our clients are referred by other law practices for specialist litigation or alternative dispute resolution assistance. Our lawyers and support staff are committed to providing you, the client, with an outstanding, cost effective and professional service.

Our partners at Thomas Dewar come with a wealth of experience, each having practiced for many years in the legal industry. Predominantly specialising in litigation, all five partners bring different fields of expertise to the practice. We’ve represented clients in civil litigation, criminal law, insolvency and family law, and across all levels: various Tribunals, the Family Court and District Court, the High Court, the Court of Appeal and the Supreme Court. Our practice has expanded over the years to include general legal services to meet our clients' needs. 

We focus on building our team by developing young lawyers under the mentorship of our partners – passing on their vast range of knowledge and skill sets. This results in a strong, tight-knit firm, ready to provide any client with the outstanding legal advice they deserve.



See the whole team

We offer a broad range of legal services and advice to our clients. With over 20 legal professionals with a broad range of expertise including civil and commercial litigation, insolvency law, family law, criminal law, employment law, local government and property law.

Having this wide spread experience through our team allows us to provide you with sound legal services and the best legal professional for your situation.



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We've been supporting the Wellington Community since our inception. We're proud of this city and the role we've taken supporting it.



Lower Hutt Office


+64 (04) 570 0442

Wellington Meeting Rooms (by appointment)


+64 (04) 570 0442



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