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UI/UX Design Services: Interfaces People Understand the First Time
We design websites, web apps, dashboards and SaaS products that are clear, fast to use and ready to build, because the same team designs the screens and writes the code.
Designing for businesses and founders in the US · Canada · UK · Europe
Quick answer
UI/UX design is designing how a digital product works (user experience, UX) and how it looks (user interface, UI) so people can complete their tasks easily. Upstack Web provides UI/UX design services for websites, web applications, dashboards and SaaS products for businesses and founders in the US, Canada, the UK and Europe, from research and user flows to wireframes, clickable prototypes, visual design and design systems, with developers involved from the start.
Good design is not decoration. It is the difference between a dashboard your team opens every morning and one they avoid, or a signup flow that converts and one that leaks users at step two.
Because we also build what we design, our designs are realistic from the first sketch: they respect how data actually works, how fast pages load and what is affordable to develop. You get screens that look great, test well with users and move into development without surprises.
What We Design
💻
Web app & SaaS UI
Onboarding, core workflows, settings and billing designed for clarity and speed.
📊
Dashboards & admin panels
Data-heavy screens that show what matters first and make actions obvious.
🏠
Website UX & UI
Service sites and landing pages designed for trust, clarity and conversion.
🖱️
Clickable prototypes
Realistic prototypes for user testing, stakeholder sign-off and investor demos.
🔍
UX audits
Expert reviews and usability tests that find what confuses users and how to fix it.
🧩
Design systems
Reusable components, colours and type in Figma and code, so products stay consistent.
Our Design Process
From understanding users to developer-ready screens, with testing along the way.
From problem to build-ready design
👤UnderstandUsers, goals, data and constraints
🗺️MapUser flows and information structure
✏️WireframeLayout and logic before visuals
🎨DesignVisual UI and clickable prototype
✅Test & hand overUsability tests, design system, specs
Tools: Figma for design and prototypes, with components mapped to the code library we build in, such as React and Tailwind.
Design-Only Agency vs Design + Build Team
Who designs your product affects how smoothly it gets built.
| Design-only agency | Upstack Web (design + build) | |
|---|---|---|
| Technical feasibility | Checked later by developers | Checked while designing |
| Hand-over | Files passed to another team | Same team builds it |
| Design system | Figma only | Figma and matching code components |
| Changes during build | Back-and-forth between teams | Decided in one conversation |
Products and Interfaces We've Designed
A few of the interfaces we have designed and built.
How We Work With You
We review your product or idea and show you the biggest usability problems and opportunities.
We agree users, goals, scope and deliverables, and you get a fixed written quote.
Flows, wireframes, then visual design and prototype, with your feedback at each step.
We test with users, refine, and hand over to development, ours or yours.
Why Clients Choose Us for Design
- Designers who understand the code
- Accessible design to WCAG 2.2 AA
- Clickable prototypes before development
- Figma files and design system you own
- Usability testing, not guesswork
- Direct contact with the people doing the work
Industries We Serve
What Does It Cost?
Upstack Web pricing: UI/UX design projects start from $799. Every project gets a fixed written quote. See all pricing.
Cost depends on the number of user types, screens and workflows, whether research and usability testing are included, and whether you need a design system. A UX audit is a small project; designing a full SaaS product is larger. After a free review you get a fixed written quote.
- Number of screens and workflows
- Research and usability testing
- Prototype fidelity
- Design system and developer hand-over
Frequently Asked Questions
UX design is how a product works: flows, structure and ease of use. UI design is how it looks: layout, colour, typography and components. Good products need both.
It depends on screens, workflows, research, testing and whether a design system is needed. You get a fixed written quote after a free review.
Yes. You receive Figma files, prototypes and components that you own.
Yes. We start with a UX audit and user feedback, then redesign the areas that cause the most problems first.
Yes. Our developers can build the design, or we can hand over specs and components to your team.
Yes. We test prototypes with real or representative users to find problems before development.
We design to WCAG 2.2 AA: contrast, focus states, target sizes and clear structure are part of every project.
We work with businesses and founders in the United States, Canada, the United Kingdom and Europe.
Guides From Upstack Web
UX Audit Checklist: 20 Checks Before You RedesignTwenty checks to find what confuses users before you spend money on a redesign.Read the guide →How Much Does UI/UX Design Cost and What Do You Get?Screens, research, testing and design systems: what moves the price of UI/UX design and what you should receive.Read the guide →Do You Need a Design System? A Guide for Small Product TeamsTokens, components and patterns: when a small team needs a design system and how to start small.Read the guide →Dashboard Design Best Practices for Business AppsStart from decisions, show what matters first and make the next action obvious: how to design dashboards people use.Read the guide →Wireframe vs Mockup vs Prototype: What You Need and WhenWireframes for structure, mockups for look, prototypes for testing: which you need and when.Read the guide →
Is your product harder to use than it should be?
Book a free UX review with Ali and get the top usability fixes for your website or app.
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