Identity graph
JCSI headquarters, locations and relationships
- Industry
- Recruiting Software
- Founded
- 1999
- Phone
- +1 774 760 1800
- Website
- jcsi.net
- LinkedIn profile for JCSI
JCSI office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Grafton | Massachusetts | United States | Headquarters |
| London | England | United Kingdom | Office |
| St Albans | England | United Kingdom | Office |
| Westborough | Massachusetts | United States | Office |
- Parent company
- No parent company recorded in GraphIQ.ai.
Verified from public filings, company websites and news · Methodology
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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 JCSI 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.
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Private equity and investors
Corporate family, comparable companies and deal sourcing.
Private equity -
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Suppliers, sites and partners mapped to the right legal entity.
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Government
About JCSI
JCSI is headquartered in Grafton, Massachusetts, United States. Founded in 1999, the company has 5 recorded locations across 2+ countries and employs approximately 91 people worldwide.
Where is JCSI's main office?
JCSI's main headquarters office is located at 2 South Street, Grafton, Massachusetts 01519, United States. This is the company's primary corporate address.
JCSI regional offices
Beyond its headquarters in Grafton, JCSI has recorded locations in United States and United Kingdom.
JCSI contact information
The main switchboard for JCSI headquarters can be reached at +1 774 760 1800. Official website: jcsi.net.
What does JCSI do?
JCSI is a recruitment consulting firm leveraging social media networking and passive candidate research to build a qualified candidate pool for all your immediate and future hiring needs. JCSI has evolved into an innovative RPO firm with expertise in finding and engaging the best candidates. Hiring the right people is essential for any business to succeed, and JCSI offers expertise in staffing strategies along with flexibility and guaranteed delivery without contingency fees. Offering flexibility, a team approach, and a proven, project-based process, JCSI provides better candidates, faster, and at a lower cost.
One entity, every stage
Put JCSI to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, JCSI included. Fingerprint search
- Cover Plan territories JCSI's 5 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.
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JCSI: frequently asked questions
Where is JCSI headquarters?
2 South Street, Grafton, Massachusetts 01519, United States.
What is JCSI's phone number?
+1 774 760 1800 (headquarters).
When was JCSI founded?
1999.
How many employees does JCSI have?
About 91, as of October 2026 (GraphIQ.ai estimate).
How many offices does JCSI have?
5 locations across 2+ countries, including London, St Albans, Westborough.
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 JCSI here is the same JCSI in your CRM, territory plan and agent answers.
Where does this JCSI data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.