#Japan #Tokyo #Ruby on Rails #Kaigi on Rails #Itandi Inc.

Itandi Inc. Joins as Gold Sponsor for Kaigi on Rails 2026

On October 16th and 17th, 2026, Itandi Inc., a leading tech company aimed at smoothing real estate transactions, will proudly participate as a Gold Sponsor in the combined offline and online event, Kaigi on Rails 2026. This major conference will take place at Bellesalle Shibuya Garden in Tokyo, Japan, and marks the first time it is officially recognized as an international conference since its inception in 2020.

Overview of Itandi

Founded with the mission of leveraging technology to enhance real estate transactions, Itandi has become a vital infrastructure in the industry. The company has adopted Ruby on Rails for system development from its early days and has successfully created over ten separate systems, bolstering its presence in the market. To date, Itandi supports over 5,000 companies and processes approximately 1.13 million rental applications annually.

The Kaigi on Rails conference is renowned for its inclusive concept, appealing to various skill levels from beginners to advanced users in web technologies. The event aims to lower barriers to participation, making it accessible to a wider audience, creating a welcoming environment for everyone interested in tech development.

By sponsoring this conference, Itandi is not only expressing gratitude to the Ruby on Rails community that has consistently supported its growth but also contributing to the revitalization and advancement of the community as a whole.

Conference Details

Dates: October 16 (Friday), 17 (Saturday), 2026
Location: Bellesalle Shibuya Garden, 16-17 Nandei, Shibuya-ku, Tokyo + online
Official Website: Kaigi on Rails 2026

Itandi's Services

Itandi provides digital transformation (DX) solutions for real estate transactions, including rental and sales processes. Within the rental segment, Itandi offers ITANDI BB, a real-time marketplace for real estate agents, in addition to a suite of support services such as ITANDI Rental Management and ITANDI Rental Brokerage for enhanced operational efficiency. In the sales sector, tools like ITANDI Sales PropoCloud are aimed at supporting real estate agencies in their operational needs.

The impact of Itandi’s services is notable, with an impressive 12.92 million sheets of paper reduced annually through the transition to electronic submissions for rental applications and lease agreements. This is a significant step towards environmental sustainability and industry-wide DX.

In December 2024, Itandi received the Grand Prize at the 10th Ruby biz Grand Prix 2024, further affirming its technological prowess and commitment to innovation.

Technical Information

For engineers and tech enthusiasts, Itandi offers several resources:

• - ITANDI Engineer Blog
• - ITANDI Engineer FM

About Itandi

Itandi Inc. is committed to transforming the real estate industry through technology. With an annual transaction record of approximately 1.13 million electronic applications and 430,000 electronic contracts, Itandi is driving the industry forward by resolving critical challenges. It is dedicated to further reducing paper waste and propelling the real estate sector into a digitally efficient future.

Company Name: Itandi Inc.
CEO: Takashi Uematsu
Website: Itandi Corporate
Headquarters: 3-2-1 Roppongi, Minato-ku, Tokyo 42F, Sumitomo Realty & Development Roppongi Grand Tower
Established: June 2012
Business Overview:

• - Development and operation of a real estate agents’ portal
• - DX service development and operation for real estate rental and sales
• - Development and operation of real estate data services.