Identity graph
H2 headquarters, locations and relationships
- Legal name
- H2Corporation, Co. Ltd
- Industry
- Software
- Founded
- 2020
- Phone
- +81 50 1720 7798
- Website
- h2corporation.co.jp
- LinkedIn profile for H2
H2 office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Tokyo | Tokyo | Japan | Headquarters |
- Parent company
- No parent company recorded in GraphIQ.ai.
Verified from public filings, company websites and news · Methodology
Open in GraphIQ.aiMore H2 data in GraphIQ.ai
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Technographics (available after sign-in)
Software, cloud and infrastructure in use.
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Firmographics (available after sign-in)
Revenue, headcount, growth and industry codes.
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Capabilities (available after sign-in)
Products, services and certifications.
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News (available after sign-in)
Recent coverage and signals, resolved to the entity.
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And more (available after sign-in)
Subsidiaries, people and lookalike companies.
Who uses the H2 entity
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Revenue and GTM teams
Territories, enrichment and account expansion on one resolved account.
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Developers and AI agents
The entity and its relationships through the REST API and MCP server.
Developers -
Private equity and investors
Corporate family, comparable companies and deal sourcing.
Private equity -
Industry and supply chain
Suppliers, sites and partners mapped to the right legal entity.
Industry -
Government and public sector
Supplier vetting, ownership and jurisdiction checks against one verified entity.
Government
About H2
H2 is headquartered in Tokyo, Tokyo, Japan. Founded in 2020, the company employs approximately 30 people worldwide.
Where is H2's main office?
H2's main headquarters office is located at 2-2-1 Toranomon 19th floor, Sumitomo Real Estate Toranomon Building, Tokyo, Tokyo 105-0001, Japan. This is the company's primary corporate address.
H2 contact information
The main switchboard for H2 headquarters can be reached at +81 50 1720 7798. Official website: h2corporation.co.jp.
What does H2 do?
H2 is a technology company that offers AI-driven solutions and software for the construction industry to enhance efficiency in planning.
One entity, every stage
Put H2 to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, H2 included. Fingerprint search
- Cover Plan territories H2 resolves to one account, so it lands in one territory, once. Territory planning
- Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring
- Convert Close on a resolved record Inbound and closed-won attach to one CRM record, with no duplicates to merge. CRM enrichment
- Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer
- Expand Find the next buyer inside Follow subsidiaries and divisions to the next team that can buy. Account expansion
About the source
What is GraphIQ.ai?
A B2B identity graph. It resolves each organization into one verified entity and maps its parent and subsidiaries, employees, competitors and news signals. Revenue teams use it in the product; AI agents query it through the REST API and MCP server.
POST/api/v2/organizations/search
H2: frequently asked questions
Where is H2 headquarters?
2-2-1 Toranomon 19th floor, Sumitomo Real Estate Toranomon Building, Tokyo, Tokyo 105-0001, Japan.
What is H2's phone number?
+81 50 1720 7798 (headquarters).
When was H2 founded?
2020.
How many employees does H2 have?
About 30, as of October 2026 (GraphIQ.ai estimate).
Questions about GraphIQ.ai
Is GraphIQ.ai a list of companies like a spreadsheet?
No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so H2 here is the same H2 in your CRM, territory plan and agent answers.
Where does this H2 data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.