Pioneerwork Inc. · Tokyo · the provenance company

“A fact without a source is only a rumour with good formatting.”

We are the provenance company. We run AI for our customers, we answer for what it produces, and every value it generates carries its source.

What we build ↓

What we build

ZAG1

ZAG makes product information readable by people and AI agents, keeps it that way, and collects it from whoever owns it.

  • DATAOPTIMIZATION

    ZAG Data Optimization

    Reads catalogs, spec sheets, drawings and any-shape Excel into a structured product master, with the source of every value.

  • AGENTICOPTIMIZATION

    ZAG Agentic Optimization

    Measures how AI assistants describe a brand's products, finds what they get wrong or leave out, and fixes the sources.

  • FOR EXCEL

    ZAG for Excel

    An Excel add-in that fills retailers' product registration templates from catalogs and spec sheets.

Visit withzag.com ↗

Trusting AI

Nobody wants to be accountable for what an AI says. We are.

  1. 01

    A managed service, not a tool.

    Our team runs the AI and delivers the result.

  2. 02

    We answer for every result.

    If a value is wrong, we fix it.

  3. 03

    Every value carries its source.

    Check any value against the page it came from.

Team

Why us

Product data is a correctness problem before it is an AI problem. We built a team for that.

  • Yoichi Goto

    Founder & CEO

    Yoichi Goto

  • Selva Ragul Kumar Balakrishnan

    Lead Engineer

    Selva Ragul Kumar Balakrishnan

  • Nikhil Ivannan

    AI Engineer

    Nikhil Ivannan

  1. 01

    Recognised for this exact problem.2

    METI chose ZAG as one of three winners for helping manufacturers register product information.

  2. 02

    Engineers who prove before they ship.3

    Trained in competitive programming and algorithm research. We treat a product value like a proof: it holds only if its source does.

  3. 03

    The people who build it run it.

    We are a managed service. The engineers who wrote the pipeline are the ones who check your values and answer for them.

  4. 04

    Tokyo-based, built for the world.4,5

    Engineering across Japan and India, sharpened in Techstars Tokyo and JETRO's programme with ERA in New York.

Meet the team →

The record

Selected, awarded, backed.

Each entry links to the organiser's own announcement.

  1. Jul 2026

    JETRO

    Selected for the AI-CTO course of the Global Startup Acceleration Program (GSAP) 20265

    Run with Entrepreneurs Roundtable Accelerator. Bootcamp in Tokyo, then New York.

  2. Feb 2026

    Ministry of Economy, Trade and Industry

    Excellence Award, New Distribution DX Contest Utilizing Product Information Platforms2

    One of three winners in Area A: helping manufacturers register product information. Chosen by seven judges from nine finalist themes.

    Yoichi Goto receiving the certificate at the METI award ceremony
  3. Aug 2024

    Techstars

    Inaugural class of the Techstars Tokyo Accelerator4

    One of 12 companies selected from applicants in 79 countries and regions, run with JETRO.

  4. Member

    NVIDIA

    NVIDIA Inception program6

  5. Member

    Microsoft

    Microsoft for Startups7

  6. Member

    Google

    Google for Startups8

Company9

Name
Pioneerwork Inc. (株式会社Pioneerwork)
Representative
Yoichi Goto, Representative Director
Founded
November 2019
Product
ZAG
Location
Tokyo, Japan

Sources

  1. ZAG, product sitewithzag.com
  2. METI, New Distribution DX Contest Utilizing Product Information Platforms: final results · 2026-02meti.go.jp/policy/economy/distribution/contest_merchandising_data.html
  3. Team members' professional profiles (self-reported)
  4. JETRO, “Techstars Tokyo announces 12 selected companies from 79 countries and regions” · 2024-08-19jetro.go.jp/news/announcement/2024/36bc8fbcf8c9586c.html
  5. JETRO, GSAP 2026: selected companies for all five courses · 2026-07-08jetro.go.jp/news/announcement/2026/71c9ef279e8bdfbb.html
  6. NVIDIA Inceptionnvidia.com/en-us/startups
  7. Microsoft for Startupsmicrosoft.com/startups
  8. Google for Startupsstartup.google.com
  9. Pioneerwork Inc., notice under the Act on Specified Commercial Transactions (company details)withzag.com/legal