Multibook Releases 'Philippines Complete Guidebook' for Free to Support Japanese Companies with Accounting, Tax, and E-Invoice Compliance
Multibook Inc., a global cloud ERP provider, has released a comprehensive free guidebook for Japanese firms in the Philippines. It covers critical local requirements like CAS registration and the upcoming December 2026 E-Invoice mandate.
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- 📰 Published: April 28, 2026 at 18:00
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Multibook Inc. (Headquarters: Shinagawa-ku, Tokyo; President: Manabu Watanabe), the provider of the global cloud ERP 'multibook,' will release the 'Philippines Complete Guidebook,' a practical guide for Japanese companies expanding into the Philippines, for free starting April 28, 2026. This document systematically explains topics from a practitioner's perspective, including the CAS (Computerized Accounting System) registration system, Philippine-specific accounting and tax requirements such as Expanded Withholding Tax (EWT), VAT, and E-Invoice, as well as establishing management systems to handle tax audits and fraud risks, and one-stop support through multibook. With only about 8 months left until the mandatory application of E-Invoice, this guide is released to meet the practical needs of Japanese companies facing urgent compliance deadlines.
Background: Increasingly Sophisticated Accounting and Tax Requirements for Philippine Subsidiaries
The Philippines is a growing market in Southeast Asia, maintaining a GDP growth rate in the 5-6% range, backed by an overwhelming demographic bonus with a population of approximately 120 million and a median age of 26.6 years. English is widely used as an official language, and the time difference with Japan is only one hour. Consequently, the number of Japanese companies entering the Philippines continues to rise.
On the other hand, the accounting and tax requirements surrounding Philippine subsidiaries are becoming more complex every year. In addition to complying with CAS registration by the BIR (Bureau of Internal Revenue), companies must deal with Expanded Withholding Tax (EWT) applied to many transactions, and prepare for the mandatory electronic invoicing (E-Invoice/EIS) starting in December 2026. As a result, highly integrated management is becoming essential for local subsidiaries. Furthermore, high turnover rates among local accounting staff lead to the personalization of tasks, while frequent tax audits and the risk of high penalties make local management and control even more difficult.
Multibook has maintained a local presence in the Philippines since 2008 and has supported local accounting and tax practices for many years. Combining that experience and know-how, we developed 'multibook,' a global cloud ERP fully compliant with Philippine-specific CAS requirements. In July 2024, we reopened our Philippine base and now offer BPO services leveraging our practical expertise. This guidebook was created based on this deep local knowledge.
Guidebook Content (Total 7 Chapters):
Chapter 1: Introduction - Why Philippines Now?
Chapter 2: The 'Reality' of Philippine Subsidiaries - Management Barriers
Chapter 3: Accounting System - The Hurdle of CAS Registration
Chapter 4: Tax System - WHT, VAT, E-Invoice
Chapter 5: Management System Design - Protecting Local Operations with Systems
Chapter 6: Why multibook is Strong in the Philippines
Chapter 7: Toward a True Global AI ERP - Evolution of multibook
About multibook:
multibook is a global cloud ERP system developed for Japanese global companies. It has been introduced to over 750 companies in 40 countries and standardly supports multiple currencies, languages, and accounting standards. It handles specific requirements in Asian countries like the Philippines, Thailand, and Vietnam, allowing integrated management of Japanese headquarters and overseas subsidiaries on a single platform. We are also working on evolving it into an intelligent ERP that can analyze and utilize financial data through natural language in collaboration with AI.
Background: Increasingly Sophisticated Accounting and Tax Requirements for Philippine Subsidiaries
The Philippines is a growing market in Southeast Asia, maintaining a GDP growth rate in the 5-6% range, backed by an overwhelming demographic bonus with a population of approximately 120 million and a median age of 26.6 years. English is widely used as an official language, and the time difference with Japan is only one hour. Consequently, the number of Japanese companies entering the Philippines continues to rise.
On the other hand, the accounting and tax requirements surrounding Philippine subsidiaries are becoming more complex every year. In addition to complying with CAS registration by the BIR (Bureau of Internal Revenue), companies must deal with Expanded Withholding Tax (EWT) applied to many transactions, and prepare for the mandatory electronic invoicing (E-Invoice/EIS) starting in December 2026. As a result, highly integrated management is becoming essential for local subsidiaries. Furthermore, high turnover rates among local accounting staff lead to the personalization of tasks, while frequent tax audits and the risk of high penalties make local management and control even more difficult.
Multibook has maintained a local presence in the Philippines since 2008 and has supported local accounting and tax practices for many years. Combining that experience and know-how, we developed 'multibook,' a global cloud ERP fully compliant with Philippine-specific CAS requirements. In July 2024, we reopened our Philippine base and now offer BPO services leveraging our practical expertise. This guidebook was created based on this deep local knowledge.
Guidebook Content (Total 7 Chapters):
Chapter 1: Introduction - Why Philippines Now?
Chapter 2: The 'Reality' of Philippine Subsidiaries - Management Barriers
Chapter 3: Accounting System - The Hurdle of CAS Registration
Chapter 4: Tax System - WHT, VAT, E-Invoice
Chapter 5: Management System Design - Protecting Local Operations with Systems
Chapter 6: Why multibook is Strong in the Philippines
Chapter 7: Toward a True Global AI ERP - Evolution of multibook
About multibook:
multibook is a global cloud ERP system developed for Japanese global companies. It has been introduced to over 750 companies in 40 countries and standardly supports multiple currencies, languages, and accounting standards. It handles specific requirements in Asian countries like the Philippines, Thailand, and Vietnam, allowing integrated management of Japanese headquarters and overseas subsidiaries on a single platform. We are also working on evolving it into an intelligent ERP that can analyze and utilize financial data through natural language in collaboration with AI.