many missions.

Solving our clients’ most critical challenges.

One Purpose.

Delivering new levels of performance and productivity.

One Mindset.

Unleashing the power of ingenuity.

One Commitment.

Helping make the world a better place.

One Company.

The right mix of talent, technology, and tenacity.
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Who We Are


Legacy of Expertise

Caliburn is a global, end-to-end government services provider. We trace our roots back to these four industry-leading companies: Comprehensive Health Services, Janus Global Operations, Project Time & Cost, LLC (PT&C), and Sallyport. Together as One Caliburn, we provide synergistic, world-class solutions to support national defense, international diplomacy, healthcare, and homeland security.


Global Presence. Local Knowledge.

Operating on Five Continents.

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Who Makes It Happen

Building the Future.


Caliburn - CHS is offering an end-to-end Covid-19 Return-to-Work Program inclusive of onsite screening, testing, and employee tracking. Contact