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Practice

Private Client Disputes & Advisory

Our team is trusted by families, business owners and high-net-worth individuals for strategic, discreet advice that safeguards their wealth, legacy and personal interests.

A Leading Private Client Disputes & Advisory Practice

Recognised in the Benchmark Litigation Asia-Pacific 2026 rankings across multiple practice areas in Singapore, including White Collar Crime and Private Client, our Private Client Disputes & Advisory team has been at the forefront of some of Singapore’s most high-profile and hard-fought family, estate and mental capacity disputes.

We understand the intricacies of business law, estate planning and family matters to ensure transitions that protect our clients’ legacies while supporting future growth.

Our lawyers have argued significant court applications and obtained positive outcomes at all levels, including the Court of Appeal.

Recent representative experience includes:

  • Acted for a defendant family member in a reported Singapore High Court dispute involving family assets exceeding S$500 million across multiple jurisdictions, concerning allegations of unauthorised withdrawals, fiduciary breaches and disputes over the characterisation of substantial transfers within a closely held family wealth structure.
  • Acted on an urgent basis for the beneficiary of the estate of a deceased renowned technopreneur in relation to assets valued at between US$50 million and US$200 million.
  • Represented and advised a high-net-worth individual and a turnkey education solutions company incorporated in Dubai in relation to disputes arising from a joint venture established in Singapore and India to provide virtual reality ed-tech services. The disputes concerned alleged white-collar offences and breaches of fiduciary duties by directors and other officers of the joint venture company.
  • Acted for a solicitor in a defamation claim against a former tenant who had refused to vacate the client’s premises following the lawful termination of the tenancy and had made defamatory statements concerning the client.
  • Obtained a Personal Protection Order for a client in a heavily contested cross-application arising from contentious divorce proceedings.
  • Acted for a matriarch and her three sons in a family dispute with the patriarch and two other sons concerning three family-run companies with an aggregate value exceeding approximately S$20 million.
  • Acted for an individual in an application in the Family Justice Courts to be appointed as deputy for her aunt and to revoke a Lasting Power of Attorney made by the aunt. Subsequently acted in proceedings against the former deputy appointed under the Lasting Power of Attorney for conversion and knowing receipt involving approximately S$10 million. Successfully obtained, on an urgent basis, a worldwide Mareva injunction against the defendant.
  • Acted for an Indonesian national in a claim against an internationally renowned bank concerning losses incurred in respect of holdings with the bank valued at approximately US$2 million.

Our regional advantage

Recognitions

Our Services

Business & Succession Planning
  • Drafting complex wills with trust arrangements
  • Preparing comprehensive succession plans for business continuity
  • Advising on wealth preservation strategies, including intergenerational succession and wealth transfer planning
  • Advising high-net-worth individuals and families on family trusts and family office establishment
Probate, Wills & Estate Matters
  • Advising on estate structuring, grant of probate applications and contested wills
Family & Matrimonial Law
  • Advising on matrimonial disputes and divorce proceedings
Real Estate Matters
  • Advising on property transactions, ownership structuring and asset protection
Estate, Wealth Planning & Structuring
  • Developing tax-efficient wealth and estate structures to preserve and grow family wealth
Contentious Matters
  • Advising on actions to invalidate wills on grounds of undue influence, fraud or lack of testamentary capacity
  • Representing personal representatives of estates in claims against the deceased’s property
  • Representing beneficiaries in disputes involving interpretation of wills
  • Reviewing executors’ actions in estate administration
  • Representing trustees in disputes with beneficiaries over trust administration
  • Advising on actions to remove trustees or executors for financial mismanagement or conflicts of interest
Non-Contentious Probate
  • Assisting executors in applying for Grant of Probate where a valid will exists
  • Assisting next-of-kin in applying for Letters of Administration in intestacy cases
  • Advising on gifts and asset distribution under intestacy laws
  • Structuring assets for wealth preservation and managing grants of representation for estate administration
Business & Succession Planning
  • Drafting complex wills with trust arrangements
  • Preparing comprehensive succession plans to ensure business longevity
  • Advising on intergenerational wealth transfer and preservation strategies
  • Advising high-net-worth individuals and families on family trust and family office establishment

Latest Legal Updates

WhatsApp Image 2025-04-17 at 11.03.06 AM
  • Legal Update
  • | 17 April 2025

Defamed Or Defend: Understanding Defamation Law In Malaysia

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More Practices

China Desk
Construction & Engineering
Corporate M&A
Dispute Resolution
Employment & Industrial Relations
India Desk
Insurance
International Arbitration
Maritime & Shipping
Medical Negligence
Probate, Wills & Estate
Real Estate & Construction
Restructuring & Insolvency
Vietnam Desk
White Collar Crime & Criminal
Address

Tan, Siew & Lee (TSL Legal) 
9-1, Level 9,
Wisma UOA Damansara II,
No. 6, Jalan Changkat Semantan,
Damansara Heights,
50490 Kuala Lumpur

Contact

Tel: +603 3009 7825
Email: enquiries@tsl-legal.com

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Tan, Siew & Lee (“TSL Legal”) is a partnership incorporated under the laws of Malaysia. © All rights reserved 2026.

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  • About
  • Accolades
  • Practices
    • China Desk
    • Construction & Engineering
    • Corporate M&A
    • Dispute Resolution
    • Employment & Industrial Relations
    • India Desk
    • Insurance
    • International Arbitration
    • Maritime & Shipping
    • Medical Negligence
    • Private Client Disputes & Advisory
    • Probate, Wills & Estate
    • Real Estate & Construction
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  • People
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