Identity graph
Castle headquarters, locations and relationships
- Industry
- Technology
- Founded
- 2020
- Website
- castle.xyz
Castle office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Palo Alto | California | United States | Headquarters |
| Mountain View | California | United States | Office |
- Parent company
- No parent company recorded in GraphIQ.ai.
Verified from public filings, company websites and news · Methodology
Open in GraphIQ.aiMore Castle data in GraphIQ.ai
This page shows the public record. Sign in with a work email to open the rest of the entity.
-
Technographics (available after sign-in)
Software, cloud and infrastructure in use.
-
Firmographics (available after sign-in)
Revenue, headcount, growth and industry codes.
-
Capabilities (available after sign-in)
Products, services and certifications.
-
News (available after sign-in)
Recent coverage and signals, resolved to the entity.
-
And more (available after sign-in)
Subsidiaries, people and lookalike companies.
Who uses the Castle entity
-
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 Castle
Castle is headquartered in Palo Alto, California, United States. Founded in 2020, the company has 3 recorded locations and employs approximately 9 people worldwide.
Where is Castle's main office?
Castle's main headquarters office is located at Palo Alto, California 94306, United States. This is the company's primary corporate address.
Castle regional offices
Beyond its headquarters in Palo Alto, Castle has recorded locations in United States.
What does Castle do?
Castle operates an application to create and develop interactive cards. It offers a digital editor for designing and game development.
One entity, every stage
Put Castle to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, Castle included. Fingerprint search
- Cover Plan territories Castle's 3 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
Castle: frequently asked questions
Where is Castle headquarters?
Palo Alto, California 94306, United States.
When was Castle founded?
2020.
How many employees does Castle have?
About 9, as of October 2026 (GraphIQ.ai estimate).
How many offices does Castle have?
3 locations, including Mountain View.
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 Castle here is the same Castle in your CRM, territory plan and agent answers.
Where does this Castle data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.