> Software & AI Engineering — Tokyo
RG is a software development company that builds custom business systems, web and mobile apps, and AI solutions. One team takes your project from workflow mapping through design, development, and operations. We also build and run products of our own.
Consultations and estimates are free. You don't need finished requirements to get in touch.
Examples of systems we have built, from our own products and client projects
2022Founded in Taito City, Tokyo
3languagesJapanese, English, and Korean
/00 — Issues
We start by mapping your workflow with you.
/01 — What we do
We focus on four core areas and support you from concept and development through operations after launch. We take on projects in a single area or across several.
Ordering, inventory, customer management: we take work that still runs on paper, Excel, phone, and fax, sort it out, and turn it into systems your team can keep using every day. We also integrate with your existing systems.
Learn more →We build everything from membership, booking, and e-commerce services to iOS and Android apps and corporate websites. We get involved from planning and design, and stay on to improve the product after launch.
Learn more →We identify which tasks, such as reading documents, data entry, and answering inquiries, can be handed to AI, and automate where it pays off first. We design around how your team actually works, with a person making the final check.
Learn more →We build infrastructure that keeps running reliably on Google Cloud, AWS, and other platforms. We bring scattered data together, shape it for analysis and decision-making, and run it for you.
Learn more →/02 — Why RG
The person who hears your requirements also handles design, development, and operations. With no hand-offs in between, decisions and changes move quickly.
It's fine if you haven't decided what to build yet. We map your day-to-day workflow together and build the features you actually need first.
We plan, build, and run our own products, including the order automation service Flux, the live quiz Rally, and the SSH terminal app RemoteGate. We develop with the view that the job doesn't end at launch.
We can localize for the Japanese market and help you roll out services across Japan and Korea, designing around differences in language and business practices.
/03 — Works
From building and running data platforms to business systems, websites, and AI products. Each case describes the client's industry and size and what we did (client names are withheld).
Marketing technology company
We built ETL workflows for a customer data platform (CDP) product and have handled everything from data platform design consulting to day-to-day operations. The engagement began in 2022.
Business serving aesthetic clinics
We built a website aimed at aesthetic clinics and have handled its operation and maintenance since launch. Building on that work, in 2026 we began developing a web ordering system that lets each clinic order at its own prices.
Major transportation company
As a member of the development team, we took part in building a major transportation company's log transfer system. We were responsible for building the ETL that collects and transfers logs in the cloud.
SaaS company
We took part in developing an AI product for a specialized field, offered by a SaaS company. We contributed engineering work as part of the client's development team.
/04 — Products
We also turn the skills we've built through client work into products of our own, and handle everything from planning and development to operations ourselves.
Flux (a development code name) uses AI to read orders that arrive by fax, phone, or order chat, matches them against your product master, and turns them into order lines. People make the final call. It's an order automation service for wholesalers and distributors that works without changing how your customers send orders or the sales management software you use today.
Learn more about FluxNo app to install. Guests scan a QR code and join the quiz from their smartphones. Answers are tallied on the spot, and each guest can choose from five languages.
Officially launched in September 2026
Learn more about Rally/05 — Process
Even if this is your first development project, you can move ahead with confidence: we confirm the scope and cost with you at each stage.
STEP 01
We listen to your challenges and goals. It's fine if your requirements aren't settled yet.
STEP 02
We map your current workflow and propose an approach with a rough cost estimate.
STEP 03
We build in small increments and check with you as we go, sharing progress along the way.
STEP 04
After launch, the same team stays on for maintenance and improvements.
/06 — Company
/ Contact
You don't need a finished spec. Tell us about the problem you're facing, and we'll propose an approach and a rough estimate. Consultations and estimates are free, and we usually reply within one business day.
TEL +81-3-5830-7587 (Weekdays 10:00–19:00 JST)
MAIL info@raregleam.com