David Liu faces charges over false VAT filings by media firm Isentia Thailand
Just minutes before boarding a flight back to Singapore, 71-year-old businessman David Liu was arrested at Bangkok’s Suvarnabhumi Airport on June 2. Thai authorities suspect him of involvement in a multi-million-baht tax evasion case tied to his former role at a media company.
Suspect Tied to Former Director Role
Thai police identified David Liu, a 71-year-old Singaporean and former director of Isentia Monitoring Services (Thailand), as the suspect. He served as an authorised company director from July to October 2015 and was also appointed Asia CEO of the Sydney-headquartered media analytics firm on June 1, 2015, according to corporate records.
Now CEO of a data intelligence firm, Liu admitted to being a former Isentia executive but denied any wrongdoing, Thai authorities said during a press conference on June 4, led by Economic Crime Suppression Division (ECD) commander Thatphum Charuprat.
Zero Tax Returns Despite Revenue
The case stems from an investigation by Thailand’s Revenue Department, which found that Isentia Thailand had submitted false zero-value tax returns, despite evidence that the company had generated revenue during Liu’s tenure.
The suspected VAT shortfall amounts to 5.24 million baht (approximately S$205,000). After Isentia failed to respond to official police summonses, an arrest warrant was issued by the Phra Khanong Criminal Court, leading to Liu’s airport arrest.
Potential Legal Consequences
Liu was detained under suspicion of fraudulently evading value-added tax through deceitful filings. Under Thai law, a conviction could result in a fine of up to 200,000 baht and a prison sentence of up to seven years.
Court documents confirmed that the charges relate to economic losses to the Thai state. Liu’s court proceedings are expected to unfold over the coming weeks.
Isentia Yet to Comment
Isentia, which operates across multiple markets in Asia-Pacific, has not issued an official statement following Liu’s arrest. The Straits Times reported that outreach for comment is ongoing.
The media firm is no longer directly affiliated with Liu, who left the company in 2019, according to his LinkedIn profile. His arrest has nonetheless drawn renewed scrutiny over compliance standards among foreign-managed subsidiaries operating in Thailand.
Growing Cross-Border Enforcement
This case highlights Thailand’s expanding focus on corporate tax compliance and cross-border enforcement, especially involving foreign nationals in key executive roles. It also underscores the need for companies operating in Southeast Asia to maintain rigorous transparency with local tax authorities.
As regional governments step up economic crime investigations, executives across Singapore and the ASEAN bloc may face heightened scrutiny—particularly where complex ownership structures or foreign directorships are involved.
David Liu’s arrest in Bangkok is a cautionary tale for business leaders across Southeast Asia. As Thailand intensifies its enforcement of financial regulations, corporate executives must remain accountable for their compliance histories—even years after leaving their posts. For Indonesians and Singaporeans, this case underscores the growing importance of transparency and legal diligence in cross-border operations.
Sources: The Star (2025) , Straits Times (2025)
Keywords: David Liu Arrested, Isentia Tax Case, Bangkok Airport Arrest, Singaporean Director Charges, Thai Revenue Department, VAT Fraud Investigation
