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Ong Boon Hwee William

Equity Partner Allen & Gledhill LLP Called to the Bar in 2000 Active (SG Practising Certificate) 7 appearances

About Ong Boon Hwee William

Ong Boon Hwee William is an Equity Partner at Allen & Gledhill LLP, one of Singapore's Big Four law firms established in 1902. He serves as a key contact for the firm's China Practice, handling cross-border investments, mergers and acquisitions, capital markets, banking and finance, real estate, private equity, and arbitration matters involving China and Southeast Asia. Admitted to the Singapore Bar in 2000, Ong holds LSRA registration across 16 practice areas including arbitration, banking and finance, building and construction, corporate and commercial law, and intellectual property.

Between March 2025 and March 2026, Ong appeared as counsel in 7 cases before Singapore courts, with matters heard in the High Court (3 cases), the Singapore International Commercial Court (2 cases), and the Court of Appeal (2 cases). His caseload reflects a cross-border commercial practice, with recent cases spanning civil procedure, contract, insolvency law, banking, and damages. He has acted as counsel for plaintiffs, defendants, respondents, and appellants across these proceedings, demonstrating breadth across different litigation roles.

Education & Career

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Allen & Gledhill LLP –Present
Equity Partner

What areas of law does Ong Boon Hwee William practice?

Ong Boon Hwee William appeared most frequently in Civil Procedure (7 cases), Contract (2 cases), and Insolvency Law (2 cases) between March 2025 to March 2026, across 7 total case appearances in Singapore courts.

Civil Procedure 7 cases

Ong Boon Hwee William appeared as counsel in 7 Civil Procedure cases between March 2025 to October 2025.

Contract 2 cases

Ong Boon Hwee William appeared as counsel in 2 Contract cases between August 2025 to March 2026.

How many cases has William Ong appeared in?

Ong Boon Hwee William appeared as counsel in 7 cases before Singapore courts between March 2025 and March 2026. Three cases were heard in the High Court, two in the Singapore International Commercial Court, and two in the Court of Appeal.

Which law firm does William Ong belong to?

Ong Boon Hwee William is an Equity Partner at Allen & Gledhill LLP, one of Singapore's Big Four law firms. He is a key contact for the firm's China Practice, handling cross-border matters involving China and Southeast Asia.

What areas of law does William Ong practice?

Based on court records, William Ong's recent cases involved civil procedure (7 case appearances), contract (2), insolvency law (2), banking, and damages. His LSRA registration spans 16 practice areas including arbitration, banking and finance, corporate and commercial law, building and construction, insurance, and intellectual property.

Which courts does William Ong appear in?

Between March 2025 and March 2026, William Ong appeared in the High Court (General Division) in 3 cases, the Singapore International Commercial Court in 2 cases, and the Court of Appeal in 2 cases.

What role does William Ong typically play in litigation?

William Ong acted as counsel for plaintiffs in 2 cases, counsel for defendants in 2 cases, counsel for respondents in 2 cases, and counsel for an appellant in 1 case between March 2025 and March 2026, reflecting a balanced cross-border commercial practice.

7
Appearances
2000
Year of Call
1
Firm
No
Senior Counsel

Registered Practice Areas (LSRA)

Administrative and Constitutional Law Arbitration Banking Finance and Securities Law Bankruptcy and Insolvency Law Building and Construction Law Civil and Commercial Litigation Competition Law Corporate and Commercial Law Employment Law Family Law Insurance Law Intellectual Property Law Landlord and Tenant Law Mediation Wills Probate and Administration of Estate

Counsel Respondent (2)

Counsel Plaintiff (2)

Counsel Appellant (1)

Counsel Defendant (2)