Streamline Your Profits Tax Filing: Fast, Secure, and Fully Compliant e-Filing Services with PKF Hong Kong

The Hong Kong Inland Revenue Department (“IRD”) is advancing its tax digitalization journey by phasing in mandatory electronic filing for Profits Tax Returns. Phase 1 of mandatory e-filing has come into effect as of the year of assessment 2025/26. If your company is part of an in-scope Multinational Enterprise (“MNE”) group, you are legally required to e-file your Profits Tax Return (BIR51 or BIR52) for any year of assessment beginning on or after 1 April 2025 (i.e. from the 2025/26 Year of Assessment onwards).

Furthermore, under the IRD's “once-in, always-in” rule, once your entity is mandated to e-file, it must continue to e-file for all future years—even if it later leaves the MNE group.

To help your business navigate these strict new statutory requirements, PKF Hong Kong offers comprehensive, hassle-free e-filing services as your designated Tax Representative or Service Provider via the Tax Representative Portal (TRP).

Why Choose PKF Hong Kong's e-Filing Services?

• Ensure mandatory Phase 1 compliance: We will assess if your entity is a "Phase 1 Applicable Entity" under the new Schedule 65 of the Inland Revenue Ordinance. If your entity is mandated to e-file, we ensure its submission is 100% compliant, avoiding statutory penalties. (We also handle exceptions, such as entities undergoing liquidation).

• Enjoy an extended filing deadline (for voluntary filers): Not part of a large MNE yet? If your entity or your service provider choose to e-file your Profits Tax Return voluntarily ahead of future mandatory phases, your entity will receive a one-month extension, giving you more time to prepare your accounts.

• Seamless iXBRL conversion and uploading: Even for paper filings, the IRD now requires all supplementary forms (S1 to S22) to be submitted electronically. For full e-filers, supporting documents (financial statements and tax computations) must be formatted in inline eXtensible Business Reporting Language (“iXBRL”). Our PKF team handles this highly complex technical conversion, validation, and uploading process for you from start to finish.

• Enhanced accuracy and security: The IRD's electronic portals feature built-in validation checks (checking against schema and business rules) to minimize errors, ensuring your sensitive financial data is transmitted securely.

Contact Our Tax Experts

Whether you are required by law to e-file this year or simply want to claim your one-month extension, let us handle the technicalities while you focus on growing your business. Contact our dedicated tax experts at PKF Hong Kong today to upgrade your tax filing process.