Callosum headquarters details
- Street address
- London, United Kingdom
- State / region
- England
- ZIP / postal code
- kingdom
- Country
- United Kingdom
- Phone
- +44 70 4707 3508
- Founded
- 2025
- Website
- callosum.com
Location map
Open in Google MapsAll Callosum office locations
| City | State / region | Country | Type |
|---|---|---|---|
| — HQ | England | United Kingdom | Headquarters |
About Callosum
Callosum is headquartered in England, United Kingdom. Founded in 2025, the company employs approximately 5 people worldwide.
Callosum contact information
The main switchboard for Callosum headquarters can be reached at +44 70 4707 3508. Official website: callosum.com.
What does Callosum do?
Callosum is a smart API design and development tool that can automate your OpenAPI implementation. It works completely offline with no login or cloud sync required
Frequently asked questions
Where is Callosum headquarters?
Callosum's headquarters is located at London, United Kingdom, England kingdom, United Kingdom.
What is Callosum's corporate address?
The corporate headquarters address is London, United Kingdom, England kingdom, United Kingdom.
When was Callosum founded?
Callosum was founded in 2025 and employs approximately 5 people.
What is Callosum's phone number?
The main phone number for Callosum headquarters is +44 70 4707 3508.
How many employees does Callosum have?
Callosum has approximately 5 employees (GraphIQ estimate, 2026).