Identity graph
HJ headquarters, locations and relationships
- Legal name
- HJ Co., Ltd.
- Industry
- Marketing Software
- Founded
- 2006
- Phone
- +81 3 6712 5946
- Website
- hj-s.co.jp
HJ 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
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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 HJ entity
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Revenue and GTM teams
Territories, enrichment and account expansion on one resolved account.
RevOps Sales & marketing -
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 HJ
HJ is headquartered in Tokyo, Tokyo, Japan. Founded in 2006, the company employs approximately 75 people worldwide.
Where is HJ's main office?
HJ's main headquarters office is located at 1-22-1 Shibuya Ch Building 2f, Tokyo, Tokyo 150-0002, Japan. This is the company's primary corporate address.
HJ contact information
The main switchboard for HJ headquarters can be reached at +81 3 6712 5946. Official website: hj-s.co.jp.
What does HJ do?
HJ is a marketing company that provides media, marketing, and sales promotion services targeted toward teens.
One entity, every stage
Put HJ to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, HJ included. Fingerprint search
- Cover Plan territories HJ 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
HJ: frequently asked questions
Where is HJ headquarters?
1-22-1 Shibuya Ch Building 2f, Tokyo, Tokyo 150-0002, Japan.
What is HJ's phone number?
+81 3 6712 5946 (headquarters).
When was HJ founded?
2006.
How many employees does HJ have?
About 75, 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 HJ here is the same HJ in your CRM, territory plan and agent answers.
Where does this HJ data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.