Identity graph
Constellation1 headquarters, locations and relationships
- Industry
- Software As A Service
- Founded
- 1991
- Phone
- +1 800 503 5163
- Website
- constellation-1.com
Constellation1 office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Milwaukee | Wisconsin | United States | Headquarters |
- Parent company
- Constellation1 is part of Perseus Operating Group.
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 Constellation1 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 Constellation1
Constellation1 is headquartered in Milwaukee, Wisconsin, United States. Founded in 1991, the company employs approximately 175 people worldwide.
Where is Constellation1's main office?
Constellation1's main headquarters office is located at 6737 W Washington St suite #2120, Milwaukee, Wisconsin 53214, United States. This is the company's primary corporate address.
Constellation1 contact information
The main switchboard for Constellation1 headquarters can be reached at +1 800 503 5163. Official website: constellation-1.com.
What does Constellation1 do?
Constellation1 provider of scalable SaaS products for the real estate industry. Constellation1 provides front office, back office and data services to real estate brokerages, franchises and MLSs across North America.
One entity, every stage
Put Constellation1 to work across your revenue bowtie
- Target Define the market Build the account list from companies shaped like your best customers, Constellation1 included. Fingerprint search
- Cover Plan territories Constellation1 resolves 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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Constellation1: frequently asked questions
Where is Constellation1 headquarters?
6737 W Washington St suite #2120, Milwaukee, Wisconsin 53214, United States.
What is Constellation1's phone number?
+1 800 503 5163 (headquarters).
When was Constellation1 founded?
1991.
How many employees does Constellation1 have?
About 175, as of October 2026 (GraphIQ.ai estimate).
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 Constellation1 here is the same Constellation1 in your CRM, territory plan and agent answers.
Where does this Constellation1 data come from?
Public filings, company websites and news, resolved to one entity and continuously updated.