Member Firms

ASTHOM Member Firms

Our mission is to empower Japanese businesses, and in turn, the Japanese economy.

AGS Consulting
Established in Tokyo in 1970, AGS is a global consulting firm employing more than 700 professionals led by a team of certified public accountants and tax experts with deep knowledge and wide experience. Our people are committed to continuous improvement and strive constantly to advance their knowledge not just of accounting and taxation, but of all the fields key to business management, including legal and labor affairs. Our services are born from the needs of our clients. With keen attention to changes in the law and the business environment, AGS goes beyond accounting to deliver practical solutions that support clients in managing and planning their businesses. Our 20 offices span Japan, Singapore, Malaysia, Thailand, the Philippines, Vietnam, Indonesia, Hong Kong, and China.
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HLS Global
The HLS Global Group is an international accounting and business advisory firm that provides accounting, tax, audit, advisory, and consulting services. Founded in 1990, HLS Global has grown to more than 250 professionals serving clients in the U.S., Japan, Mexico, India, Germany, and UAE. While focusing on the business requirements of Japanese subsidiaries operating abroad, HLS Global also provides comprehensive solutions to non-Japanese multinational companies in Japan.
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Blick Rothenberg
Blick Rothenberg is a tax, accounting and business advisory firm based in London, UK, that puts our people and client relationships first. Our partner-led approach ensures that you receive high quality service from a team of experienced, commercial and practically focused people, delivering high-quality services across various fields of expertise.We have a deep understanding of Japanese international businesses and individual clients and extensive experience helping with their diverse and evolving needs. We understand that these can be varied and broad, and we carefully consider the right approach to our advice and the ultimate recommendation.
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IKG FAS B.V.
IKG FAS is an accounting advisory firm based in the Netherlands. Founded in 2022 with the goal of supporting Japanese companies that operate overseas or plan to expand abroad, we have since provided diverse services across Europe, including M&A support and the enhancement of accounting and management systems for local subsidiaries. Our strength lies in offering high-quality, flexible, and expeditious support based on deep expertise to address the complex challenges in accounting, governance, and sustainability area often faced by Japanese companies in Europe. As a partner that bridges local European regulatory and cultural landscape with a Japanese business perspective, we are committed to fully supporting the sustainable growth of Japanese enterprises.
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BD Welsh
BD Welsh is a comprehensive advisory firm established in 1992, specialising in supporting Japanese companies expanding into Australia. We provide one-stop assistance encompassing company incorporation, visa acquisition, accounting/auditing, taxation, M&A/PMI, and seamless adaptation to local life. Beyond company incorporation, we offer various support services across all aspects of your business operations post-incorporation.
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I-GLOCAL Group
I-GLOCAL is Vietnam's first Japanese accounting firm group, established in 2003. With offices in Ho Chi Minh City, Vietnam's largest city, and the capital Hanoi, it employs over 300 specialists. Supporting more than 1,000 Japanese companies operating in Vietnam, it has become one of the country's largest accounting firms. Guided by the mottos ‘Your Growth is Our Growth’ and ‘Providing an environment where clients can focus on their Vietnam business’, we offer one-stop support for Vietnam market entry, including M&A, alongside comprehensive management services covering accounting, taxation, labour affairs, and legal matters.
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