The number everyone quotes, and why it still gets ignored
Forrester has been saying it for years: $1 in UX returns $100. McKinsey found the same pattern differently. Top-quartile design companies outgrew their peers by 32 points in revenue and 56 points in shareholder return over five years.
Everyone cites these numbers in their pitches. Then the UX work goes to three people, six weeks, no research budget. Everyone moves on.
The real problem isn’t that people don’t know this. It’s that bad UX never gets priced. The cost hides in support tickets, churn, conversion rates that nobody traces back to decisions made a year and a half ago. The cost is real. It just doesn’t have a line item.
Where the cost actually lives
Development rework is the most direct hit. IBM found that fixing a problem in production costs 100 times more than catching it in design. A usability issue you spot in two hours of testing becomes two sprints of engineering. On large codebases, that math gets brutal.
Support volume is second. When users get stuck, they call. Nielsen Norman documented a client that cut support calls by 33% after one usability round. For a platform fielding 50,000 contacts a month, that’s not theoretical.
Then there’s conversion. A confusing checkout, unclear onboarding, a form asking for things in the wrong order. These don’t announce themselves. They just eat revenue. Forrester tracked continuous research programs and found retention bumps of 3.6% year one, compounding to 10.8% by year three. For a $10M subscription business, year three alone is worth over a million.
Why enterprise organizations consistently underinvest
We see the same two things at every large company.
First: UX comes last. Research happens after the roadmap is locked. Design starts after engineering spins up. Testing happens two weeks before launch, when changing anything costs too much. By the time someone asks “did we test this,” the honest answer is no.
Second: the cost of doing nothing is invisible. Nobody budgets “revenue lost to bad navigation” or “support hours from confusing error states.” Bad UX doesn’t show up as a line item the way a consulting invoice does. So nothing changes.
What a UX investment actually looks like
The top performers on the McKinsey Design Index do three things: they research early, before roadmaps lock. They measure design performance the way they measure revenue. They treat design as strategy, not a service layer.
BCG found that companies leading in both AI and design beat laggards 1.7x on revenue growth, 3.6x on shareholder return over three years. The combination matters because AI speeds up execution, but it doesn’t replace knowing your users.
Start with a UX audit. Before redesigning, map where users drop off, where they call support, where analytics shows confusion. Put a dollar number next to each one. Then scope improvements against that number. You don’t need perfect. You need specific.
The brief version
Bad UX is expensive. The cost hides in support calls, churn, rework, and lost conversions. That’s why it persists. The companies that fix it put research in the budget from the start. When you actually do the math, the conversation changes.
Sources: McKinsey Business Value of Design · Nielsen Norman Group on UX ROI · Forrester UX research ROI modeling · Maze UX statistics 2026
