Tel: 6299 1141


Criminal Law
Trust & Power of Attorney
Wills, Probate & Administration


Advocate & Solicitor, Supreme Court of Singapore
LL.B. (Hons), National University of Singapore

Mary is most experienced in civil litigation, criminal, conveyancing, family, probate, wills, mental capacity and estate matters. She started to practice law in 1981 and continued for 29 years till 2010.

In 2010, she undertook a brief 4 year stint in a statutory board regulating the private education sector as Senior Legal Counsel of the legal department.

Till date, she has represented clients for cases involving Protection of Harassment Act (POHA), acts as corporate secretary for several companies, handles litigation matters relating to civil litigation including matters relating to the Land Titles Act, Road Traffic and Tenancy disputes.

In the category of family disputes, she handles marital, separation and contentious custody and maintenance of children, and distribution of matrimonial assets.

In 2014, she returned to the practice of law. She is motivated, solution focused, passionate and committed to reasonable fees and has special interest in estate planning, drafting ,interpretation of wills and matters under the Mental Capacity Act in Singapore.

She was a member of the Inquiring committee of the Law Society of Singapore (1996 – 2010) seating as Chairperson and member during that period.
Mary enjoys volunteering at the Artground, a creative and inspirational space for artistes and children. She also has interests in music, literature and the history of Singapore.

Testimonials & References

“I have known Mary Leong for more than 20 years. She is both my legal counsel and friend. Mary is a successful and effective lawyer as she has both compassion and a strong sense of fair play. She is extremely competent and insightful. I have recommended her on several occasions and continue to endorse and recommend her to others that need legal counsel and help.”
– Michael Teo

iBwave – Administrative Director – APAC
“I have known Ms Mary Leong when she started her legal practice with then M/S Francis T Seow in 1981. She is caring, intuitive, solution focused and always upholds utmost professionalism in her work, especially in the field of Commercial, Criminal & Family Laws etc. I always appreciate her dedication and attentive professional service to her Clients without any hesitations.”
– Frank Ong, Company Director