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SENIOR
PARTNER
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L.L.B. (Hons) University of London, CLP
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L.L.B (Hons) University of Malaya
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L.L.B (Hons) Multimedia University
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L.L.B (Hons) Malaya
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Senior Partner

CHUAH PHEI SAN
L.L.B (Hons) University of London, CLP
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Phei San graduated from University of London in year 2010 with honours in law. Upon obtaining her Certificate in Legal Practice (“CLP”), she started her legal career in Penang. She gained her legal experience in the areas of conveyancing and litigation. She was called to the Malaysian Bar and was admitted as an Advocate & Solicitor of the High Court of Malaya in January 2013.
She joined Ong & Partners in year 2013, heading our Property and Banking Department, handling developers’ projects, real estate for commercial and residential properties and banking transactions.
On top of being a savvy conveyancer, her prior experience as an international buyer in a Singapore and China market further substantiates her as an effective negotiator. Her areas of practice presently spans:
Areas of Practice
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Banking and Finance
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Corporate and Commercial Advisory
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Corporate Finance
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Probates and Wills
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Projects and Ventures
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Property and Real Estate
SENIOR Partner

NG TENK SIANG
L.L.B (Hons) University of Malaya
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Tenk Siang graduated from University of Malaya in year 2011 with honours in law. He was called to the Malaysian Bar and was admitted as an Advocate & Solicitors of the High Court of Malaya in August 2012. Prior joining Ong & Partners, Tenk Siang was with a mid-size conveyancing firm in Kuala Lumpur. He gained his legal experience from that firm specialising in banking & finance and property & real-estate matters.
Tenk Siang joined Ong & Partners in year 2016, heading our Corporate, Property and Banking Department handling developers’ projects, real estate for commercial and residential properties and banking matters.
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Areas of Practice
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Banking and Finance
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Corporate and Commercial Advisory
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Corporate and Securities Regulation
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Property & Real Estate
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Probates and Wills
Personal Involvements (Key Projects):
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Sale and purchase documentation for large parcel of commercial land for development
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Residential, commercial and industrial property development projects.
SENIOR Partner

DIA SZE SZE
L.L.B (Hons) Multimedia University
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Sze Sze graduated from Multimedia University in year 2015 with honours in law. Sze Sze joined Ong & Partners as a chambering pupil and was retained as a Legal Assistant. She was called to the Malaysian Bar and was admitted as an Advocate & Solicitor of the High Court of Malaya in September 2016.
As of 2018, she is now a Partner to our Property and Banking Team, actively involving in conveyancing matters such as developer’s project, acquisition and disposal of commercial and residential properties and banking matters.
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Areas of Practice
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Banking and Finance
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Corporate and Commercial Advisory
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Corporate Finance
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Probates and Wills
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Projects and Ventures
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Property & Real Estate
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Personal Involvements (Key Projects):
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Residential, commercial and industrial property development projects.
SENIOR Partner

MATHAN RAJ SUBRAMANIAN
L.L.B (Hons) Malaya
COMMISIONER FOR OATHS
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Mathan graduated from University of Malaya in 2013 with Honours in Law. He commenced his career as a litigation lawyer in a well-known legal firm in Kuala Lumpur. He was called to the Malaysian Bar and admitted as an Advocate & Solicitor of the High Court of Malaya in July 2014.
In the year of 2016, Mathan joined the Dispute Resolution Team of Messrs Ong & Partners and thereafter promoted to be a Partner in July 2018. He specializes in general civil and corporate litigation, banking and finance, family law matters, employment disputes and industrial relation matters, insurance disputes and accident matters, land disputes, landlord & tenant disputes, tort, contracts, construction claims and litigation, probate and foreclosure.
Further, Mathan has been duly exposed to all the procedures and various litigation Hearings up to the Court of Appeal and Federal Court. He works principally for our Head of Litigation Department, Mr Manoharan Tevadasin handling litigation matters.
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As An Additional Qualification, Mathan has been appointed as a Commissioner For Oaths on 1st December 2022.
Areas of Practice
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Administrative Law
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Banking & Finance Litigation
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Civil Litigation and Dispute Resolution
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Corporate and Commercial Litigation
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Employment Law & Industrial Relation Matters
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Family Law
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Insurance & Accident Claims Litigation
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Land Acquisition Matters
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Will / Probate Disputes Litigation
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Property and Real Estate Litigation
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Tort and Defamation Matters
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Construction Matters
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Adjudication Matters Under CIPAA 2012
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