Callosum headquarters details
Location map
Open in Google MapsAll Callosum office locations
| City | State / region | Country | Type |
|---|---|---|---|
| London HQ | Greater London | United Kingdom | Headquarters |
About Callosum
Callosum (Private) is headquartered in London, Greater London, United Kingdom. Founded in 2025, the company operates across 1 countries with approximately 5 employees worldwide.
Where is Callosum's main office?
Callosum's main headquarters office is located at London, United Kingdom, London, Greater London kingdom. This serves as the company's primary corporate address and is home to its executive leadership team.
Callosum regional offices
Beyond its headquarters in London, Callosum maintains 1 offices across 1 countries. Regional offices span 1 countries.
Callosum contact information
The main switchboard for Callosum headquarters can be reached at 7047073508. For investor relations, visit callosum.com/investor-relations.
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, London, Greater London kingdom, United Kingdom.
How many offices does Callosum have?
Callosum operates 1 offices across 1 countries as of 2026.
What is Callosum's corporate address?
The official corporate address is London, United Kingdom, London, Greater London kingdom.
When was Callosum founded?
Callosum was founded in 2025 and has grown to employ approximately 5 people worldwide.
What is Callosum's phone number?
The main phone number for Callosum headquarters is 7047073508.