Welcome to Callesto International

The only partner who does both.

Full suite of IT services are supported for our clients from application managed services, Enterprise solutions, Digital assurance, Business Process services, PMO services, Packages support and Strategic consulting services

Services / All-Inclusive

Digital Assurance

Automation testing, performance testing, Manual testing, Managed testing services, cloud and data testing services 

Devops Support, Mainframe, AS400 Support

Delivering innovation and transformative platforms personalized for your needs.


Delivering world class customer Experience leveraging Efficient operations and flawless Execution  

Enterprise Packages

Delivering success to our clients on their SAP, Oracle, Salesforce and Peoplesoft implementations and support

 Industry Specific Packages

Supporting niche industry specific packages like NASCO, Edifecs, Guidewire, Mulesoft IFS and many others

Cloud services

Enabling cloud services for our clients across the leading cloud platforms - AWS, Azure and Google cloud platforms

Data Services

Data Engineer, Data architects, Data scientists are enabling success for our clients

Application Managed Services

Callesto continues to support multiple initiatives in Design Thinking, DevOps, Mobility, Automation, Analytics, ML, AI, Application Development, Maintenance and Support, Application Managed Services, Infrastructure, BI and Analytics with our clients.


Global Presence

Servicing our clients across North America, Europe, Central America, Latin America and Asia- Pacific



Life Sciences 

Public Services

Federal & State





We Care / We Deliver

Your success partners

Callesto's unique proposition enabling both demand generation and demand fulfillment is unparalleled in the industry. We would love to partner with you and ensure that no prospect is left behind and no opportunities are left unfulfilled. 

Learn more about Callesto

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