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Innovation Architecture

Beyond limits —
where knowledge meets execution.

AI × Web × Business co-creation. As a partner who deeply understands your business, thinks alongside you, and grows with you, we create new value and innovative solutions.

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BUNBU
September 2025 — Became a wholly owned subsidiary of Appirits
Proven Trust

A proven track record,
backed by the stability of a listed group.

Since our founding in 2017, BUNBU has helped Japanese companies drive digital transformation using cutting-edge technology. As part of the Appirits Inc. group, listed on the Tokyo Stock Exchange Standard Market, we deliver high-quality services backed by a solid business foundation.

2017
Founded
Appirits Group
TSE Standard Market Listed

Core Tech Stack

Ruby JavaScript Python PHP Swift Kotlin Flutter AWS Mysql DynamoDB

Full Japanese Language Support (BrSE)

With Bridge SEs experienced in Japanese business practices working alongside our parent company's Japanese team, we ensure smooth communication — free of language and cultural barriers — from requirements definition through to delivery.

Our Services

Three Solutions to Accelerate Your Business

We support you with the optimal setup tailored to your project's scale and phase.

01

Lab-type Development

We build a dedicated team to support your product development with an agile approach — ideal for medium- to long-term partnerships.

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02

Contract Development

We deliver high-quality systems tailored to your requirements, on time and within budget — from web services to core business systems.

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03

AI Transformation

We go beyond one-off AI tool deployments. From identifying business challenges through PoC validation, production implementation, and ongoing optimization, we partner with you end-to-end to drive AI-powered business transformation.

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Our Work

Cutting-Edge Development Work

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An Official Online Store for Easily Buying Salon-Exclusive Hair Care Products
Web

An Official Online Store for Easily Buying Salon-Exclusive Hair Care Products

fufu+ is the official online store run by fufu, a hair coloring salon chain, offering salon-exclusive hair care products and cosmetics at accessible prices. Customers can buy salon-quality items from home, making everyday hair care easier and more effective.
A Nursery Management Web App Connecting Nurseries and Parents
PWA

A Nursery Management Web App Connecting Nurseries and Parents

Kindy is a nursery management platform that streamlines communication between nurseries and parents, sharing a child's day-to-day activity and growth record in real time. Drop-off/pick-up notices, a digital communication notebook, and class updates can all be handled easily from a smartphone, strengthening the connection between parents and the nursery.
A System Letting Anyone Build a Detailed, Financeable Business Plan and Drive Management Improvement
Web

A System Letting Anyone Build a Detailed, Financeable Business Plan and Drive Management Improvement

Zaimo.ai is a business management SaaS that uses AI to unify business plan creation, budget-vs-actual tracking, and data analysis. It automates the process of building complex financial models, supporting fast, accurate decision-making. From startups to established companies, it's a platform that drives business growth in a data-driven way.
A Platform That Uses AI to Automate Customer Data Analysis and Experience Optimization
Web

A Platform That Uses AI to Automate Customer Data Analysis and Experience Optimization

KiZUKAI is an AI platform that automates everything from data management to customer behavior analysis and insight extraction. Beyond simple data visualization, it automatically performs root-cause analysis and suggests improvements, helping companies make faster decisions and improve the customer experience.

For your business,
the right technology solution.

Whatever the size of your project, start with a candid engineering discussion.
Our experts will clarify your challenges and propose the best solution.

Start with a Free 30-Minute Consultation

* No pushy sales pitches — feel free to book anytime.