Willie Ong & JL Ooi is a boutique Malaysian law firm with a head office in Georgetown, Penang and a branch in Kuala Lumpur. Formerly known as Willie Ong & Co, the firm was established in January 2019 and serves a diverse client base that includes public and private companies, management corporations, joint management bodies, and private individuals. Its core capabilities span general and civil litigation, corporate advisory, criminal defense, property and strata advisory, labour matters, and family work.

The partners and associates bring courtroom and advisory experience across all levels of the Malaysian courts, handling contractual and tort claims, company and shareholder disputes, employment and industrial relations cases, land possession matters, and criminal proceedings. The firm has been featured in regional listings and recognitions, reflecting its growing profile in general litigation and corporate work, and it continues to act for clients in Penang and the Klang Valley while collaborating with affiliates in other major cities.

Client service is grounded in clear communication, practical advice, and timely execution. The team emphasizes early case assessment, risk management, and tailored strategies, whether drafting and negotiating commercial documents, advising management bodies on strata compliance, or defending clients in criminal investigations and trials. With a focused, hands-on approach, the firm aims to resolve matters efficiently and protect clients’ commercial and personal interests.

About Willie Ong & JL Ooi (formerly known as Willie Ong & Co) 王伟霖与黄佳亮律师事务所

Founded in 2019

4 people in their team


Practice areas
Lawsuits & Disputes
Business
Corporate & Commercial
Banking & Finance
Energy, Environment & ESG
Criminal Defense
Real Estate
Employment & Labor

Languages spoken
English

Social media

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Practice areas

Lawsuits & Disputes

The firm conducts general and civil litigation for companies, management corporations, and individuals, covering contract and tort claims, shareholder and director disputes, urgent injunctions, debt recovery, and strata-related conflicts. The team manages cases from pre-action strategy and evidence development through hearings and appeals, and pursues negotiated outcomes where appropriate to control risk, cost, and business disruption.
ADR Mediation & Arbitration
Appeal
Class Action
General Litigation
Ethics and Professional Responsibility
Antitrust Litigation
Commercial Litigation
Restructuring & Insolvency

Business

Professional legal services in Business.
FDA Law
Accounting & Auditing
Communications & Media Law
Employer
Health Care
International
Legal Document
New Business Formation
Office Solutions
Tax

Corporate & Commercial

The lawyers provide corporate advisory support that includes drafting and reviewing commercial contracts, shareholder and joint venture agreements, governance and regulatory compliance advice, and transaction support for sales, services, and financing arrangements. They work closely with business stakeholders to structure clear documents, anticipate legal risks, and align legal positions with operational and growth objectives.
Sanctions & Export Controls
Private Equity
Corporate Governance
Administrative
Admiralty & Maritime
Agriculture
Antitrust
Aviation
Business Registration
Contract
Due Diligence
Franchising
Gaming
Government Contract
Licensing
Merger & Acquisition
Transportation
Venture Capital
Nonprofit & Charitable Organizations
International Trade Law
Government Relations & Lobbying
Cannabis Law

Banking & Finance

Project Finance
Funds & Asset Management
Public-Private Partnerships (PPP)
Sustainable Finance
Equity Capital Markets
Debt Capital Markets
Acquisition / Leveraged Finance
Structured Finance
Investment
Securities
Financial Services Regulation
Tax Increment Financing

Energy, Environment & ESG

Environmental Law & Compliance
Oil, Gas & Energy
ESG Advisory & Compliance
Renewable & Alternative Energy
Water Law
Climate Change Law
Energy Regulatory Law
Mining Law

Criminal Defense

The firm represents clients across the criminal process, from police investigations and remand applications to bail, plea mitigation, trials, and appeals. The lawyers handle a range of offences and focus on safeguarding client rights, stress-testing the prosecution’s case, and building strategic defenses while keeping clients informed on timelines, options, and potential outcomes.
Arrests & Searches
Bail Bond Service
Criminal Litigation
Drug Crime
Drunk Driving
DUI & DWI
Juvenile Law
Sex Crime
Speeding & Traffic Ticket
White Collar Crime

Real Estate

The practice advises on property and strata law, assisting management corporations and joint management bodies with Strata Management Act compliance, by-law enforcement, recovery of maintenance charges, and meeting procedures. The team also handles tenancy issues, sale and purchase documentation coordination with counterparties, and litigation to recover possession or resolve land and building disputes.

Employment & Labor

The firm advises employers and employees on contracts, workplace policies, disciplinary actions, retrenchment, and termination, and represents parties in industrial relations disputes and Industrial Court proceedings. Its approach emphasizes early issue-spotting, evidence preparation, and negotiated solutions where viable, with litigation support when formal adjudication becomes necessary.

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