Identity graph
ISTN headquarters, locations and relationships
- Legal name
- ISTN Co., Ltd.
- Industry
- Data Management Software
- Founded
- 2002
- Phone
- +82 2 2057 4425
- Website
- istn.co.kr
- LinkedIn profile for ISTN
ISTN office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Seoul | Seoul | South Korea | Headquarters |
| Bruges | New Aquitaine | France | Office |
| Caissargues | Occitanie | France | Office |
| Lille | Hauts-de-France | France | Office |
| Marguerittes | Occitanie | France | Office |
| Jakarta | Jakarta | Indonesia | Office |
- 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 ISTN 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 ISTN
ISTN is headquartered in Seoul, Seoul, South Korea. Founded in 2002, the company has 9 recorded locations across 4+ countries and employs approximately 78 people worldwide.
Where is ISTN's main office?
ISTN's main headquarters office is located at 901 H Business Park C-Dong Beobwon-Ro 9-Gil, Seoul, Seoul 05836, South Korea. This is the company's primary corporate address.
ISTN regional offices
Beyond its headquarters in Seoul, ISTN has recorded locations in South Korea, France, Indonesia and North Korea.
ISTN contact information
The main switchboard for ISTN headquarters can be reached at +82 2 2057 4425. Official website: istn.co.kr.
What does ISTN do?
Since 2002, ISTN has been delivering business values to customers who want to cope with business transformation. We can support the customer's whole IT lifecycle including Feasibility study, Information System Planning, Implementation, Global Rollout, Upgrade and IT Outsourcing. To keep up market changes and our customers’ growth, ISTN tries to provide the most adequate solutions through leading edge technologies like Cloud, IoT, Big Data with fascinating UX. Be connected with ISTN.
One entity, every stage
Put ISTN to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, ISTN included. Fingerprint search
- Cover Plan territories ISTN's 9 locations roll up 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
ISTN: frequently asked questions
Where is ISTN headquarters?
901 H Business Park C-Dong Beobwon-Ro 9-Gil, Seoul, Seoul 05836, South Korea.
What is ISTN's phone number?
+82 2 2057 4425 (headquarters).
When was ISTN founded?
2002.
How many employees does ISTN have?
About 78, as of October 2026 (GraphIQ.ai estimate).
How many offices does ISTN have?
9 locations across 4+ countries, including Bruges, Caissargues, Lille, Marguerittes.
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 ISTN here is the same ISTN in your CRM, territory plan and agent answers.
Where does this ISTN data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.