INFOPLUS, Inc.
Corporate brand
UnclaimedJapanese independent software developer focused on e-commerce site construction, operation outsourcing, and consulting.
Last updated September 26, 2026
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Overview
INFOPLUS, Inc. (株式会社インフォプラス) is a Japanese independent software development company headquartered in Shinjuku, Tokyo, with an additional development and production office in Fukuoka. Founded in February 2018 by Yasunori Nirei, the company focuses on supporting e-commerce businesses, providing services that range from site construction to operational outsourcing and consulting. Its credo is "SOMETHING NEW: continue creating new things with ICT and contribute to society as a company that lasts 100 years." The company offers a range of e-commerce solutions. It develops and provides its own EC platforms, including "EC4U+" (pronounced "e-commerce for you") and "Cross Commerce (Kurokoma)," which features a 3D/2D name-engraving simulator. It also implements and integrates open-source platforms such as EC-CUBE and Shopify, and connects third-party ASP services like core systems and site search engines. In addition, INFOPLUS develops sales-boosting tools such as "AB Tester for Rakuten Ichiba," which enables A/B testing of product images on the Rakuten marketplace to improve CTR and CVR, and "SALE Reminder," a free Google Calendar-based tool for online shop operators. The company also offers "Operation Outsourcing .shop," a consulting and production service for online shops, and provides operational support and consulting to e-commerce businesses from startup to growth stages. INFOPLUS is certified as a "Rakuten Ichiba RMS Partner" and a "Yahoo! JAPAN Commerce Partner." It supports store operations on major online shopping malls such as Amazon, Rakuten Ichiba, and Yahoo! Shopping, and also handles data integration. The company has over 15 years of accumulated experience in e-commerce support, partly inherited through an absorption-type split from Infomarks Corporation in July 2018. Its representative director, Yasunori Nirei, has a career spanning companies such as Kozu Denki (now Yamada Denki), Commerce Link (now Nifty Nexus), and Infomarks. INFOPLUS positions itself as a partner for "Minority" businesses that cannot fully leverage their strengths within the majority, aiming to realize distinctive e-commerce businesses through custom development and creative proposals. The company's mission is to listen carefully to e-commerce operators, discard conventional wisdom, and propose unique solutions. It emphasizes a team-oriented culture and long-term relationships with clients, aiming to walk together toward a 100-year future.
History
INFOPLUS, Inc. was established in February 2018 in Shinjuku, Tokyo, by Yasunori Nirei, with the credo "SOMETHING NEW: continue creating new things with ICT and contribute to society as a company that lasts 100 years." In July 2018, the company succeeded the rights and obligations related to the EC support business of Infomarks Corporation through an absorption-type split. In April 2019, INFOPLUS produced the EC site "kuumaA" for Shogakukan-Shueisha Productions, which sells collaboration items with artists, including products produced by Yui Ogura. In February 2020, the company provided a free live broadcast of a graduation ceremony at an elementary school in Saitama Prefecture. In March 2020, in response to the spread of COVID-19, INFOPLUS conducted special hiring selections. In August 2021, Increment P's "Address Cleansing Service" was integrated via API with "EC4U+" and introduced to a PC equipment EC site under a major electronics group. The company has continued to develop and provide e-commerce platforms and tools, and has been certified as a "Rakuten Ichiba RMS Partner" and "Yahoo! JAPAN Commerce Partner."
INFOPLUS, Inc. established in Shinjuku, Tokyo.
Succeeded rights and obligations related to EC support business of Infomarks Corporation through absorption-type split.
Produced EC site 'kuumaA' for Shogakukan-Shueisha Productions.
Provided free live broadcast of a graduation ceremony at an elementary school in Saitama Prefecture.
Conducted special hiring selections due to COVID-19.
Increment P's 'Address Cleansing Service' integrated with 'EC4U+' and introduced to a PC equipment EC site.
Products and positioning
Independent software developer specializing in e-commerce support, offering custom development, platform provision, and operational consulting for distinctive 'Minority' businesses.
EC4U+
Customizable EC platform with the tagline 'e-commerce for you.'
Cross Commerce (Kurokoma)
Multi-functional EC cart equipped with a 3D/2D name-engraving simulator.
AB Tester for Rakuten Ichiba
Tool for A/B testing product images on Rakuten Ichiba to improve CTR/CVR.
SALE Reminder
Free Google Calendar-based tool for online shop operators.
Operation Outsourcing .shop
Consulting and production outsourcing service specialized for online shops.
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