Formerly Citrusbyte, we are now Theorem. Read our story.

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What we've made

Enterprise-grade platforms at startup speeds for the world's biggest telecom company

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We developed a music catalog platform that takes music management to the next level

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Andy Davis
Senior Solutions Architect, AT&T

Theorem is the only software consulting firm that I have ever worked with that not only delivered an amazing product, but also helped us find product-market fit, sourced and signed our early customers, and changed the way our internal teams built software. They are truly a strategic partner.

A Process That Works

From whiteboarding new concepts to long-term support, we work with startups and large multi-national enterprises to develop new applications.Find out more