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Straight Line Theory is a UX company based in Minneapolis. We can help you design and improve your website, app, or digital product.

Understand Your Users

Do you have a complete picture of the people you want to reach? Through user research and interviews, we help you gain a deeper understanding of your users’ behavior and goals.

Define The User Experience

We design effective and intuitive experiences for any screen. We work closely with you to plan, sketch and generate concepts. Then we create masterful wireframes and realistic prototypes to help you visualize the UX and test your ideas.

Test, Evaluate and Improve

Let us usability test your website or app with real people. We’ll provide solutions and fixes for any problems. No long-winded reports, just the evidence and answers you need to make it better.

How We’re Different

We're Specialized

We started Straight Line Theory in 2002 to focus exclusively on creating great user experiences. UX is all we do. Doing one thing well keeps us lean and sharp.

Small Team, Big Results

You’ll work directly with talented information architects, interaction designers and usability pros who are passionate about good UX and invested in your success.

We Cut Steps, Not Corners

Our streamlined approach gets you from concept to reality faster. We replace bloated documentation with realistic prototypes that can be tested and refined.

Our Clients

Target Logo Google Logo US Bank Logo Apple Logo 3M Logo Best Buy Logo United Health Group Logo YMCA Logo

Whether your goal is to boost sales, create a new product or improve an existing design, we can help.


  • User Research
  • Strategy and Planning
  • Information Architecture
  • Interaction Design
  • User Experience Design
  • Wireframing
  • Prototyping
  • Usability Testing


  • Apps
  • E-commerce
  • Responsive Web Design
  • Digital Product Design
  • Corporate Websites
  • B2B Websites
  • Intranets
  • Mobile and Tablet