Identity graph
Deltek WorkBook headquarters, locations and relationships
- Industry
- Project Management Software
- Founded
- 1983
- Phone
- +1 800 456 2009
- Website
- deltek.com/workbook
Deltek WorkBook office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Herndon | Virginia | United States | Headquarters |
| — | — | United Kingdom | Office |
| Ho Chi Minh City | Ho Chi Minh City (HCMC) | Vietnam | Office |
- Parent company
- No parent company recorded in GraphIQ.ai.
Verified from public filings, company websites and news · Methodology
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Revenue and GTM teams
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Government
About Deltek WorkBook
Deltek WorkBook is headquartered in Herndon, Virginia, United States. Founded in 1983, the company has 4 recorded locations across 3+ countries and employs approximately 3,000 people worldwide.
Where is Deltek WorkBook's main office?
Deltek WorkBook's main headquarters office is located at 2291 Wood Oak Dr, Herndon, Virginia 20171, United States. This is the company's primary corporate address.
Deltek WorkBook regional offices
Beyond its headquarters in Herndon, Deltek WorkBook has recorded locations in United States, United Kingdom and Vietnam.
Deltek WorkBook contact information
The main switchboard for Deltek WorkBook headquarters can be reached at +1 800 456 2009. Official website: deltek.com/workbook.
What does Deltek WorkBook do?
Deltek WorkBook is creative agency management software owned and supported by Deltek (www.deltek.com) and headquartered in Herndon, VA, USA with local offices in Copenhagen, Ho Chi Minh City, Singapore and London. We deliver the best SaaS web-based system tailored to project driven businesses. WorkBook includes CRM and pipeline, project and resource management, and finance and accounting. WorkBook is hailed by project managers and executives for the collaborative, transparent management functions offered by the system that ultimately streamline efficiency and improve their bottom line.
One entity, every stage
Put Deltek WorkBook to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, Deltek WorkBook included. Fingerprint search
- Cover Plan territories Deltek WorkBook's 4 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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Deltek WorkBook: frequently asked questions
Where is Deltek WorkBook headquarters?
2291 Wood Oak Dr, Herndon, Virginia 20171, United States.
What is Deltek WorkBook's phone number?
+1 800 456 2009 (headquarters).
When was Deltek WorkBook founded?
1983.
How many employees does Deltek WorkBook have?
About 3,000, as of October 2026 (GraphIQ.ai estimate).
How many offices does Deltek WorkBook have?
4 locations across 3+ countries, including Ho Chi Minh City.
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 Deltek WorkBook here is the same Deltek WorkBook in your CRM, territory plan and agent answers.
Where does this Deltek WorkBook data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.