| Company name | Great Bright Science and Technology Inc. (偉輝科技株式会社 / GBST) |
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| Representative Director | TAN PEK AUN |
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| Office | 402, 1-51-3 Chuo, Nakano-ku, Tokyo 164-0011, Japan |
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| Registered office | Ohchu Dai-7 Bldg. 4F, 3-2-27 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan (head-office relocation to Nakano-ku being registered, Oct 2026) |
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| Contact | Email: support@rakusocia.jp / Phone: 03-6900-4349 |
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| Business | Development and operation of AI-powered SaaS, systems development, social media marketing support |
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| Website | gbst.jp |
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| Services | RakuSocia (inbound social media AI) and Rakucho (AI accounting SaaS), among others |
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