Identity graph
Firstbase headquarters, locations and relationships
- Industry
- Software As A Service
- Founded
- 2019
- Phone
- +1 203 269 6027
- Website
- firstbase.io
- LinkedIn profile for Firstbase
Firstbase office locations
| City | State / region | Country | Type |
|---|---|---|---|
| New York City | New York | United States | Headquarters |
| São Paulo | São Paulo | Brazil | Office |
| — | — | Indonesia | Office |
| Petaling Jaya | Selangor | Malaysia | Office |
| Aberdeen | Scotland | United Kingdom | Office |
| Wallingford | Vermont | United States | Office |
- Parent company
- Firstbase is part of Harbor Compliance.
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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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 Firstbase 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 Firstbase
Firstbase is headquartered in New York City, New York, United States. Founded in 2019, the company has 7 recorded locations across 5+ countries and employs approximately 50 people worldwide.
Where is Firstbase's main office?
Firstbase's main headquarters office is located at New York City, New York 11217, United States. This is the company's primary corporate address.
Firstbase regional offices
Beyond its headquarters in New York City, Firstbase has recorded locations in United States, Brazil, Indonesia, Malaysia and United Kingdom.
Firstbase contact information
The main switchboard for Firstbase headquarters can be reached at +1 203 269 6027. Official website: firstbase.io.
What does Firstbase do?
Firstbase.io helps companies incorporate in the US, from anywhere. Incorporation, bank accounts, legal advice from experts, and a community of founders - all in one place.
One entity, every stage
Put Firstbase to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, Firstbase included. Fingerprint search
- Cover Plan territories Firstbase's 7 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
Firstbase: frequently asked questions
Where is Firstbase headquarters?
New York City, New York 11217, United States.
What is Firstbase's phone number?
+1 203 269 6027 (headquarters).
When was Firstbase founded?
2019.
How many employees does Firstbase have?
About 50, as of October 2026 (GraphIQ.ai estimate).
How many offices does Firstbase have?
7 locations across 5+ countries, including São Paulo, Petaling Jaya, Aberdeen, Wallingford.
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 Firstbase here is the same Firstbase in your CRM, territory plan and agent answers.
Where does this Firstbase data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.