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PlusDivide

Decomposing complexity, adding tangible value.

From strategy to execution, in one team.

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Issues We Solve

What we're here to solve

We want to end “we brought in AI, but nothing changed.” These are seven problems we see on the ground, and the menu we use for each.

Where to start with AI

You can't decide which work to bring AI into first.

We take stock of each department's work and estimate the hours and costs AI could save, then set priorities and a plan your leadership can decide on.

Solve it with Plus Consulting

AI adoption

You've been considering AI, but nothing takes shape.

Ideas come up but never become something the front line can use. We work inside your teams, from choosing themes to building, adoption, and handing over to your in-house AI leads.

Solve it with Plus Forward

Data and decisions

Decisions still rest on gut feeling and experience.

We bring scattered data together in systems such as a CRM, so decisions rest on evidence. Large builds run on a monthly contract.

Solve it with Plus Build

Internal operations

You want to simplify and automate complicated work.

Answering inquiries, taking requests, checking documents: work that used to depend on people can be handed to AI agents and internal bots.

Solve it with Plus Agent

New business and investment decisions

You have no one to consult about AI proposals or new ventures.

From judging outside proposals and quotes to planning new businesses built on AI, we advise leaders through a weekly meeting and chat consultations.

Solve it with Plus Advisor

People development

Only a few employees can really use AI.

Step-by-step training matched to each role lets employees use AI in their own jobs. We also develop people who can teach it in-house.

Solve it with Plus Academy

Website vulnerabilities

No one is in charge of site updates or vulnerabilities.

AI agents keep looking for the holes attackers use (vulnerabilities). When one is found, we explain how to fix it, prepare the fix, and re-scan to confirm it is no longer detected.

Solve it with Plus Scan

Brand

The meaning behind + and ÷ in our name.

+ Plus

Adding tangible value to your business.

As an execution partner, we take on everything from assessment and development to adoption on the front line and employee training, and add to your business results.

÷ Divide

Decomposing complexity into clarity.

With the lens and methods of strategy consulting, we isolate the real bottlenecks of your business and carve out exactly what to do next.

Services

Seven menus

From assessing where AI fits in your operations to company-wide adoption, large-system development, AI agents, advice for leadership, employee training, and website vulnerability scanning and fixes. Seven menus, delivered by one team.

AI app development Process automation RAG & data platforms Sales AI Internal DX E-commerce operations Creative production New business launch AI training & adoption

Plus Forward

We work inside your teams to choose the work AI should change, build the tools, make sure they take hold, and hand the work over to your in-house AI leads.

See menu details

Plus Build

Systems such as a CRM, which would cost from several million yen to more than ¥10 million as a one-time order, built on a monthly contract from requirements to go-live.

See menu details

Plus Consulting

Over 4–6 weeks, we take stock of your operations and show which tasks are worth handing to AI, and what impact to expect from each.

See menu details

Plus Agent

We build AI agents and internal bots that handle routine work such as answering inquiries, taking requests, and checking documents.

See menu details

Plus Advisor

Through a weekly meeting and chat consultations, we support leadership's decisions about AI, including plans for new businesses built on AI. Your advisors are members of the PlusDivide team.

See menu details

Plus Academy

Step-by-step training matched to each role and its work, so employees can use AI in their own jobs.

See menu details

Plus Scan

AI agents keep scanning your websites and apps for vulnerabilities. We prepare a fix for each one we find, then re-scan to confirm it is no longer detected.

See menu details

Two questions to find the right menu See all seven menus and example combinations

Forward Deployed Engineer

We are a team of FDEs.

An FDE (Forward Deployed Engineer) works inside the client's business and builds the system with their own hands, from strategy through implementation and operation. It is a role that leading AI companies around the world are adopting one after another.

Whether AI pays off no longer depends on having a smart model. It depends on whether people on the ground can really put it to use. Most AI efforts stop at the trial stage. We stay until it becomes part of everyday work.

No handoffs

The people who hear you out
also build the tools and run the training.

You don't have to explain the same thing twice. The same people stay with you from the first interviews through development, training, and handover to your team. At SANN, the same members have handled everything from interviews across six divisions to internal tools and AI workshops for all employees.

Fitted to your work

Systems and training materials
take shape after we see how you work.

So that employees can use them in their daily work without confusion, we fit them to your current procedures and to the spreadsheets and chat tools you already use. WSP-HD, which has no dedicated IT department, rolled out six internal apps in about four months.

Always testing AI

Even for work we haven't handled before,
we test before we recommend.

We try new AI such as ChatGPT and Claude in our own work first. On each engagement, we compare candidate models on your data before choosing, so you don't spend on AI that doesn't fit. Where AI isn't the right answer, we tell you so.

Members

Masafumi Watanabe

CEO & Founder

Spent his student years in Australia. Joined TBM Co., Ltd. in 2017 as a new graduate, leading international sales and PR. Later launched international operations at Wolt Japan and Enigmo Inc. Founded PlusDivide Inc. in 2023. In parallel, led enterprise DX/AI consulting at AnyMind Japan, working with companies from large enterprises to SMBs across industries.

Hiroshi Kawano

Director

Kyoto University graduate, formerly at Bain & Company's Private Equity Group. Led dozens of due diligence, PMI, and turnaround engagements across Japan, the UK, Australia, and Brazil. Joined TBM as Corporate Planning Manager, then founded Resolve & Capital. Co-founded PlusDivide Inc. in March 2023.

Kanata Kamiya

CTO

Became Director of VIGONOVA Inc. while at Tokyo University of Science, leading the company's SNS marketing business. At AnyMind Group as Senior Consultant, covered app marketing, new business consulting, cross-border e-commerce strategy, e-commerce site building and operations, and the development of AI training and AI Agent products. Joined PlusDivide in 2025 as Executive Officer and AI Consultant, and became CTO in November 2026.

Taku Kutsuzawa

AI Engineer, Advisory

Founded an image-processing startup in his fourth undergraduate year at Tokyo University of Science. Moved to the US in 2022 and joined a Silicon Valley AI startup predicting the deterioration of water pipes, building prediction models, infrastructure-maintenance applications, and machine learning algorithms on geospatial data. Joined PlusDivide in 2026.

Yutaro Matsumoto

AI Engineer

Spent twelve years in the restaurant industry in Japan and overseas as a store manager and head chef, running operations, developing staff, and improving workflows. He then moved into AI engineering and built an automation system that cut a company's routine work from 20 hours a month to 2. He covers the whole path, from mapping out the work to design, development, and rollout on the floor. Joined PlusDivide in 2026.