UX/UI Design That Converts Users Into Customers — Not Just Visitors.
We design web and mobile interfaces that people actually want to use. From UX research and wireframes to pixel-perfect UI and design systems — our design services turn complex products into intuitive experiences that drive retention and revenue.
Trusted by Product Teams Worldwide
Sound Familiar?
Users sign up but never come back — and you don't know why.
Your onboarding flow has 8 steps, your dashboard is overwhelming, and your users can’t find the feature they signed up for. Retention is under 20% at day 7, and you’re spending more on acquisition than you’re making on lifetime value.
Your dev team built features nobody uses — because nobody asked users first.
You shipped 12 features last quarter based on internal assumptions. Usage data shows 3 of them get used. The other 9 cost you 4 months of engineering time and made the product more complex without making it more valuable.
Your product looks like it was designed by engineers — because it was.
Functional? Yes. Intuitive? No. Your interface has inconsistent spacing, unclear hierarchy, ambiguous CTAs, and a navigation structure that makes sense to your team but confuses everyone else.
Design is your bottleneck — every feature waits 3 weeks for mockups.
Your one designer is drowning in feature requests, marketing assets, and ad-hoc UI fixes. Development sprints start late because designs aren’t ready, and when they are, developers have questions the mockups don’t answer.
Your design is inconsistent — every screen looks like a different product.
No design system, no component library, no shared tokens. Every developer interprets the design differently. Buttons have 5 sizes, there are 12 shades of gray, and the mobile experience feels like a different app entirely.
You can't hire senior designers — and your junior ones need direction.
Product designers with real UX research skills and system thinking are rare and expensive. You need design leadership, not just more hands pushing pixels.
The Cost of Bad UX
Every $1 invested in UX returns $100. Companies with design-led strategies outperform the S&P 500 by 228% over 10 years. Poor UX isn’t just a usability problem — it’s a revenue problem.
These aren’t hypothetical problems. They’re the exact challenges product teams bring to our UX/UI design agency — usually after shipping a product that works but doesn’t convert.
UX/UI Design Services
Product Design & UX Research
For teams building new products or redesigning existing ones.
We start with your users, not your UI. Discovery workshops, user interviews, journey mapping, wireframes, and interactive prototypes — all validated with real users before a pixel of UI is designed.
- User research with 15+ stakeholder and user interviews
- Journey maps identifying friction and opportunity points
- Interactive prototypes tested with real users
- Data-driven design decisions, not assumptions
UI Design & Design Systems
For teams that need consistent, scalable visual design.
We create pixel-perfect interfaces backed by a comprehensive design system — reusable components, design tokens, and documentation that keeps your product visually consistent as it grows.
- Consistent UI across every screen and platform
- Reusable component library in Figma
- Design tokens for seamless developer handoff
- Responsive designs for all breakpoints and devices
UX Audit & Conversion Optimization
For teams with a live product that underperforms.
We analyze your existing product through heuristic evaluation, analytics review, user session recordings, and usability testing. You get a prioritized report of what to fix and why — backed by data, not opinions.
- Comprehensive heuristic audit with severity ratings
- Analytics-driven conversion funnel analysis
- A/B testing strategy for key user flows
- Prioritized redesign roadmap with expected impact
Our Design Process
Discovery & Research
Stakeholder interviews, competitive analysis, user research, persona development, and problem definition. We understand your users and business goals before opening Figma.
Information Architecture
Sitemaps, user flows, content hierarchy, and navigation design. We define the structure that makes complex products feel simple.
Wireframing & Prototyping
Low-fidelity wireframes, interactive prototypes, and usability testing. We test ideas with real users before investing in visual design.
Visual Design
Pixel-perfect UI design, design system development, component library, and responsive breakpoints. Every screen is crafted for clarity and conversion.
Usability Testing
We test the final designs with real users, identify remaining friction, and iterate. You get a validated design that’s ready for development.
Design Handoff & Support
Figma dev mode, specs, exported assets, design tokens, and direct support for your development team during implementation. We stay available for questions.
Design Tools & Methods
We use industry-leading tools across every phase of design — from research to handoff.
Design Tools
Prototyping & Testing
Research & Analytics
Design Systems
Frontend Collaboration
Accessibility
Products We've Designed
Real projects. Real users. Measurable results.
DateNight — Video Dating App UX Redesign
DateNight USA
Challenge: Redesign the complete user experience for a video-first dating platform — from onboarding to matching to the video call interface — to increase match-to-conversation conversion rates.
- Onboarding completion rate increased from 45% to 78%
- Match-to-conversation rate doubled after UX redesign
- Video call UI redesigned for intimacy over utility
- Design system with 120+ reusable components
Enterprise Dashboard — Analytics Platform Design
Enterprise Client USA
Challenge: Design an intuitive analytics dashboard for a platform processing millions of data points, used by 500+ non-technical business users across 8 departments.
- Complex data visualized in scannable dashboard cards
- Role-based views reducing cognitive load by 60%
- Task completion time reduced from 12 to 3 minutes
- Design system adopted across 4 internal products
Telemedicine Platform — Patient & Doctor UX
Healthcare Provider Germany
Challenge: Design the patient and doctor interfaces for a KBV-compliant telemedicine platform, balancing strict regulatory requirements with an intuitive experience for non-technical users.
- Patient booking flow completed in under 2 minutes
- Doctor interface handling 20+ daily consultations efficiently
- Accessibility compliance (WCAG 2.1 AA)
- KBV certification achieved with UX documentation
What Our Clients Say
“They know the inner workings of the tech and were able to inherit our semi-functional code and get it to work where multiple prior teams couldn’t.
“Trembit are developing our Adobe Air SDK for the last 3 years. The team is always responsive and helpful when we need their help and expertise.
“The Trembit team demonstrated deep expertise in real-time communication and delivered a scalable video infrastructure that handles thousands of concurrent streams.
Why Choose Trembit for UX/UI Design?
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150+ Products designed
Design That Ships
We don’t design concepts that sit in Figma. Every project we take on ships to production — tested, validated, and built to work in the real world.
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40% Avg conversion lift
Business Impact
Our redesigns consistently improve key metrics. Average 40% lift in conversion rates, 2x improvement in task completion, measurable reduction in support tickets.
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2-Week Sprint design cadence
Fast & Iterative
We deliver usable designs every two weeks. No 3-month design phases — you see wireframes in week 1, prototypes in week 3, and tested UI by week 5.
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100% Developer handoff included
Design to Code
Every project includes a complete design system, Figma dev mode specs, exported assets, and direct designer-developer support during implementation.
Flexible Design Engagement Models
Dedicated Design Team
UX researcher, UI designer, and design lead embedded in your product team. Full-time, fully integrated into your sprint cadence.
Best for: Products with ongoing design needs, multiple features in parallel, or design system maintenance.
Project-Based Design
A focused design engagement with defined scope — UX research, wireframes, UI design, and design system delivered as a complete package.
Best for: New products, major redesigns, or design system creation with clear deliverables.
UX Audit & Strategy
A focused assessment of your current product’s UX with a prioritized improvement roadmap. Delivered in 2-3 weeks.
Best for: Teams with a live product that needs quick wins and a long-term design strategy.
Frequently Asked Questions
Let’s Design Your Product
Tell us about your project and we’ll get back within 24 hours with a free design consultation.
Whether you need a full product design, UX audit, or design system — we’ve designed 150+ products and know how to turn complexity into clarity.