The cost of hiring a top UI/UX design agency varies a lot, and the range is genuinely wide. Location, reputation, project complexity, team size, and scope all push the number up or down.

Smaller projects, like a single-screen mobile app redesign or a usability audit, typically run between $10,000 and $30,000.

Mid-scale work costs more, often $30,000 to $100,000 or beyond. Designing a full mobile app, a SaaS dashboard, or a multi-page website falls into this range. At this level, you can expect UX research, wireframing, prototyping, usability testing, and a production-ready design system.

Large enterprise projects can easily hit $150,000 to $500,000. These usually involve a dedicated team working over several months, with heavy stakeholder involvement throughout.

How agencies charge varies too. Some bill hourly, anywhere from $75 to $300 per hour. Others offer fixed-price packages or monthly retainers, which typically run $5,000 to $25,000 per month depending on the scope.

Geography moves the number significantly. Agencies in North America and Western Europe charge more than comparable firms in Eastern Europe or Southeast Asia. That gap can be substantial, sometimes 40 to 60 percent for similar quality work. Whether that premium is worth it depends on your team's bandwidth to manage communication across time zones and how much you weight proximity.

The honest advice: don't just pick the cheapest option. A well-executed UX project can meaningfully improve conversion rates and reduce support costs, which pays back the investment quickly. But a poorly scoped one at any price is just money lost. Before signing anything, ask agencies to walk you through case studies with real metrics, not just pretty mockups. That tells you more than their rate card ever will.