CreativeCategory 05 of 10

UX/UI Design

Definition

A UX/UI agency designs the software people actually touch: app interfaces, onboarding flows, dashboards, and checkout paths. UX covers how the product works, UI covers how it looks, and real agencies do both. Clients are software companies without enough designers, and traditional businesses whose apps and portals are losing users to friction.

2,000 to 5,000
US entities
100 to 200 dollars
Typical hourly rate
4 to 12 weeks
Typical engagement
We estimate 2,000 to 5,000 US entities in this category. Directional estimate, not a census figure.
01

How they make money

Most billing is hourly or weekly against a scoped engagement, with US senior rates typically 100 to 200 dollars per hour. Common packages have settled into recognizable shapes: a UX audit of an existing product at a fixed fee, a design sprint of one to two weeks that takes a problem from framing to tested prototype, and a redesign engagement of one to three months covering research, flows, interface design, and developer handoff.

Longer relationships shift to a retainer or embedded model, where the agency supplies a designer or small pod working inside the client's team and tools for a monthly fee. That model competes directly with hiring, and agencies price it accordingly: more than a salary run rate month to month, less than recruiting, ramping, and risking a full time hire. Research costs, participant incentives, and testing tools are usually passed through on top.

02

What good ones have in common

They talk to actual users. Real UX work includes watching people use the product: interviews, usability tests, session recordings. An agency that redesigns from stakeholder opinions alone is doing styling and calling it research.
Outcomes in the case studies. Strong portfolios pair screens with results: activation up, support tickets down, checkout completion improved. Beautiful screenshots without a before and after are advertising, not evidence.
Prototypes tested before code. Good agencies put clickable prototypes in front of users and revise cheaply, before engineers build anything. Finding a broken flow in a prototype costs hours. Finding it in production costs a quarter.
Developer handoff as a deliverable. Design that ships arrives as organized files, a component library, specs, and time answering engineer questions. Ask how they work with development teams. Vague answers mean your engineers will be guessing.
Willingness to design less. The best firms sometimes recommend removing screens, cutting steps, or fixing copy instead of redesigning. An agency whose answer to every problem is a full redesign is selling its largest product, not your smallest fix.
03

Red flags

Portfolio full of concepts, empty of shipped products. Award bait redesigns of famous apps demonstrate rendering skill only. Ask which projects went live, and what happened to the metrics after launch. Silence is an answer.
No research phase in the proposal. If the plan jumps straight from kickoff to screens, the agency intends to design from assumptions. You are paying product design prices for decoration.
Deliverables that end at pictures. Static mockups with no interaction states, no edge cases, and no handoff plan push the real design work onto your engineers, who will resolve every ambiguity in the fastest way, not the best one.
Your product, their design system. Agencies that force every client into the same visual kit ship fast and generic. Fine for an early prototype, damaging when your product ends up indistinguishable from their last three clients.
04

How the category is changing

AI has cut the cost of producing screens dramatically. Prototyping tools generate plausible interfaces from prompts, and design to code pipelines shorten the distance between mockup and product. That commoditizes the rendering layer that many agencies quietly billed the most hours for, and shifts the value toward what tools do not supply: knowing which problem matters, testing with real users, and making judgment calls about flows, trust, and edge cases.

Demand is also tilting toward two specialties. First, design systems: companies want a coherent component library so internal teams and tools can ship consistent interfaces without an agency in the loop, and building that system is now a flagship engagement. Second, AI product patterns: chat interfaces, agent workflows, and confidence displays are new territory with few conventions, and agencies with real shipped examples are charging a premium for exactly that scar tissue.

05

Frequently asked questions

How much does a UX agency cost?
US agencies typically bill 100 to 200 dollars per hour. A UX audit is often a fixed fee in the low thousands, a design sprint runs one to two weeks of team time, and a full product redesign engagement commonly reaches into five figures over one to three months.
What is the difference between UX and UI design?
UX is how the product works: flows, structure, research, and testing. UI is how it looks: layout, type, color, and components. They are inseparable in practice, and a competent agency delivers both rather than selling them as different projects.
Do I need a UX agency or a web design agency?
If the deliverable is a marketing website, a web design agency fits. If it is software people log into and use repeatedly, an app, portal, or dashboard, you want UX/UI work, because the failure mode is confused users, not an unattractive page.
What is a UX audit and is it worth it?
A structured expert review of your product against usability principles and user data, delivered as prioritized findings. It is the cheapest way to engage an agency, and a good one pays for itself by pointing the redesign budget at the flows that actually lose users.
How long does a product redesign take?
Four to twelve weeks is typical for a scoped redesign covering research, flows, interface design, and handoff. Full replatforms run longer. Be wary of anyone promising a researched redesign in a week, and of anyone needing a year.
Want the full directory of ux/ui design?We are publishing full listings category by category. Leave an email and we will send this one when it goes live. Requests decide what publishes next.
One email per category. No newsletter.

UX firms acquire clients mostly through shipped work and word of mouth rather than marketing agencies, though funnel conversion projects often arrive through them, and their embedded designer model competes head on with staffing agencies placing product designers in the same seats.