TheoremOne

About TheoremOne

TheoremOne is a Los Angeles-based custom software and business platforms firm founded in 2007, now part of Monks Technology Services. They build, rescue, and modernize enterprise technology solutions for clients including AT&T, Caterpillar, American Express, Microsoft, and Disney. With 250-999 professionals, they specialize in IoT applications, legacy system modernization, and large-scale team augmentation. Engagements typically start at $100K.

Who TheoremOne Is Best For

TheoremOne is a fit for large enterprises tackling complex software challenges, particularly projects that have stalled or need to be rebuilt. Their strength lies in practical consulting paired with sophisticated engineering, making them a go-to for organizations in telecoms, insurance, energy, and manufacturing. Not a match for startups or companies with budgets under $100K.

Why Choose TheoremOne

Things to Consider

TheoremOne Services

Selected Work

Caterpillar — Reducing $2B of Slack in Outbound Supply Chain

Caterpillar

TheoremOne built an asset-tracking platform that provides real-time status and visibility across CAT's global supply chain, helping reduce more than $2B in lost costs.

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AT&T — Building the World's Most Potent IoT Platform

AT&T

TheoremOne worked with AT&T to build the first open IoT platform enabling end-to-end connected device solutions on a global scale.

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First American — Transforming a Corporate IT Group

First American

TheoremOne partnered with First American to build end-to-end project management software for commercial real estate deals, transforming a corporate IT group.

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