Aqua invests in established Japanese mid-market companies with loyal customers and untapped potential — then compounds their growth with hands-on AI engineering and long-term capital.
Headquarters
NaganoJapan
Approach
AI × InvestmentAI transformation
Group
AsagiriHospitality
The Road Ahead
Serial M&Aand onward to an IPO
Japan is full of companies with excellent products, careful service and customers who have stayed for decades — and that are still not growing the way they could. Usually the reason is plain: no successor in place, or a digital shift that never quite arrived.
Aqua begins with respect for the foundation those companies have already built, and adds two things to it: AI as a new source of momentum, and capital patient enough to carry the growth. Carrying a founder's intent forward, opening up what the people inside are capable of, building value alongside the region that raised the business — that is what investment means to us.
Technology is not here to replace the value that lives in a business.
It is here to set it free.
Aqua acquires established Japanese companies and takes over their stewardship with a long horizon. From there our own engineers work inside the company itself — sitting with the people who do the job, and building the software the business comes to run on.
Our model
Forward Deployed Engineer
AI-driven investment, done one particular way. FDE stands for forward deployed engineer — an engineer who works on site, inside the company, building software beside the people who will use it, rather than writing recommendations for them.
Aqua is that engineer for the companies it invests in. The capital and the engineering come from the same place, and they stay for the same length of time. Strategy advice has its place — it is where our founder came from — but software only exists once someone builds it.
Asagiri Inc. was the first company to join the group. Everything below was built there by Aqua's own engineers, and is in daily use today.
Reservations
Enquiries arriving by email, by telephone and through the booking sites land in a single queue. The system drafts the reply and holds the villa; anything unusual goes to a person.
First reply in minutes rather than hours.
Guest communication
Before arrival and during the stay, guests write in English, Chinese or Korean and are answered in it, from the house rules and the property's own tone. A member of staff approves every message before it sends.
Overseas guests answered around the clock, without a night desk.
Housekeeping
Cleaning and linen runs are built from the day's arrivals and departures across villas that sit some distance apart, and rebuilt the moment a booking moves.
A same-day change no longer costs anyone a round of telephone calls.
Pricing
Rates are proposed from occupancy, lead time, the Karuizawa season and what comparable villas are asking. The manager sets the final number.
Rates looked at every day instead of once a season.
This is the record of one company — the first in the group.
That loop is what we mean by AI FDE Investment. It begins again with the next problem on the floor, for as long as the company is part of the group.
What the first years look like from inside the company. This is the shape the Asagiri years took.
Invest
We acquire companies facing a succession gap or in need of growth capital, and take over stewardship with a long horizon. The founder's intent and the jobs stay protected.
Build
The engineers are Aqua's own, and they work from the company's own office. What they build goes into daily use, not into a report.
Grow
Balance sheet, hiring, organisation design, and what one company learns carried on to the next.
Companies whose customers and trading partners have stayed with them for years, on foundations that are genuinely sound.
Companies whose products and service are strong, but whose reach — how the work is delivered and taken to market — still has a long way to run.
Companies at a moment that calls for a next move: no successor in place, or a change in how the business is led.
Companies where putting AI into operations and the customer experience would create real leverage.
Industry and region are open. Everything is held in confidence — let us begin with a conversation.
Group Company 01 — Hospitality / Karuizawa
A hospitality company rooted in Karuizawa. As the first company in the Aqua group, Asagiri is using AI to raise the quality of the guest experience and the efficiency of running the business at the same time — building our working model for AI × hospitality.
The group will keep widening through serial M&A.— and more to come.
Junki Kanda worked in corporate strategy consulting at Boston Consulting Group (BCG), then went on as a serial entrepreneur to found and grow several businesses. He established Aqua Inc. to open up what Japan's mid-market and smaller companies are capable of, with management and technology working as one.
There is strength in Japanese companies that has never been drawn out.
Our work is to release it — with AI, and with capital.
Aqua is a small team, deliberately. Everyone here works directly on the companies the group owns — there is no layer between the work and the people doing it, and no seat where the job is to brief someone else. Four are open.
The figure on each seat is a floor: the least that seat pays, in annual cash. It is not a range and not a midpoint. Where you settle above it is a conversation about what you bring.
From ¥30M
Software and machine-learning engineers, solutions architects, and engineers who have already worked deployed inside a customer's business. You are the one sitting in a group company's office, learning how the job is really done, and building what the company comes to run on.
FromGlobal technology firms, high-growth B2B SaaS companies, and the engineering organisations of Japan's strongest product businesses.
From ¥20M
M&A bankers, private equity investment professionals, transaction advisory specialists, and in-house corporate development. Sourcing, diligence and negotiation through to completion — and then staying with the company you bought rather than moving on to the next deal.
FromInvestment banks, buyout funds, the transaction advisory practices of the Big Four, and the corporate development teams of listed companies.
From ¥15M
Strategy consultants, enterprise sales leads, and business development managers. Opening the channels that bring us the next company, and building the top line of the ones the group already holds.
FromGlobal strategy consultancies, enterprise SaaS companies with a proven sales motion, and the business development arms of the major trading houses.
From ¥12M
Finance and accounting, legal, human resources, marketing, data. The work a growing group needs done properly, by someone who has done it before at real scale — and who would rather own it here than manage it elsewhere.
FromWhichever industry you built your record in. We ask only that you built it somewhere that sets the standard in that industry.
Use the second option on the form below — partnership, investment or careers — and tell us which seat you are reading for, and what you have built.
Contact
Held in confidence, and starting with a conversation. Tell us about the road your company has travelled and what it does well — nothing needs to be decided to begin.
For banks and intermediaries considering working with us, for investors, and for anyone interested in joining Aqua.
Prefer email? contact@aqua-inc.ai
