<--! Code for Dark Mode and Nav Bar Color Change -->
<--! Script for Dark Mode Enable -->
<--! Script for Dark Mode Disable -->
Are you okay with optional cookies?
By clicking “Accept”, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. View our Privacy Policy for more information.

Change the way problems are solved

Custom software development and effective technology consulting.

Custom software and business platforms for new ways of working

TheoremOne creates, reworks, rescues, and scales custom enterprise tech and product delivery teams. We deliver technology-driven solutions to drive meaningful change and measurable results.

Brilliant people.
Effective methods.
Custom tech.

TheoremOne is an innovation partner for those that value experience. We deploy expert practitioners in tailored squads to help you realize big ideas, rescue failing projects, or modernize old ways of working with next-gen technology.

A cube / box icon - signifying "Practical Consulting"
A code bracket icon - signifying "Sophisticated Engineering"
Calendar with a heart icon - signifying "Simple Monthly Rates"
Cowboy icon - signifying "Interesting People"
Rabbit running icon - signifying "Fast & Effective"
Arrows facing the same direction and crossing paths icon - signifying "Flexible Working Models"
TheoremOne works with forward-thinking companies to create custom software and business platforms.
American Express logoAmerican Express logo
AT&T logoAT&T Logo
Microsoft logoMicrosoft logo
Starbucks logoStarbucks logo
Google logoGoogle logo
Intel logoIntel logo
20th Century Fox logo20th Century Fox logo
Disney logoDisney logo
Github logoGithub logo

We're a good fit for companies that have:

Our flexible, effective consulting and delivery methods quickly turn problems into opportunities for the enterprise to work better.

A pencil and a brush icon - signifying "Big ideas to define or validate"Paint brush and pen icon
Big ideas to define or validate
A folded map icon - signifying "Emerging business opportunities"map icon
Emerging business opportunities
Satellite icon - signifying "A roadmap that is too big or too small"satellite icon
A roadmap that is too big or too small
An alert icon - signifying "Enterprise satellite & security projects"alert icon
Enterprise satellite & security projects
An old computer icon - signifying "Really hard problems to solve"legacy computer/technology icon
Really hard problems to solve
Code brackets icon - signifying "Failing technology or tight resources"code icon
Failing technology or tight resources
A could icon - signifying "Legacy systems slowing things down"could icon
Legacy systems slowing things down
A chart icon - signifying "Needs for custom IoT applications"Chart icon
Needs for custom IoT applications
A megaphone speaker icon - signifying "A desire to continuously improve"loud speker icon
A desire to continuously improve


Theorists thrive when totally focused on achieving innovative solutions to highly complex problems. We take ownership of our work and the impact it makes.

We carefully select our teammates and client partners so we can focus on solving meaningful and challenging problems together.

Group of TheoremOne's employees happily standing together with a large, purple Theorem logo for a prop

TheoremOne has agreed to join S4 Capital and Media.Monks