UI/UX Design
Interfaces your users navigate without thinking.
UI/UX design grounded in real user research — wireframes, high-fidelity mockups, and interactive prototypes that are tested before a developer writes a line of code.

Who This Service Is For
UI/UX design for product teams and businesses that need design done properly before development begins.
Product Teams Building Digital Products
Businesses Redesigning a Poor User Experience
Problems We Solve
The UX failures that bring product teams and businesses to Vantagon for design.
Users Abandoning Before Completing Key Actions
Drop-offs at sign-up, checkout, or onboarding that indicate a UX problem — not a traffic problem. Users are arriving but not completing what you need them to.
High Support Volume From Confused Users
Users repeatedly contacting support for help with tasks they should complete unaided — a clear signal the design isn't working as intended.
Design Decisions Made Without User Evidence
Features and interfaces designed based on assumptions about what users want, rather than research into what they actually do and need.
Developer Handoff Causing Rework
Figma files that reach developers incomplete — missing states, unclear specs, and unresolved questions that slow down implementation and introduce inconsistency.
Inconsistent UI Across the Product
Different visual patterns, interaction styles, and component behaviour across different parts of the product — a sign there's no design system or shared standards.
No Prototype to Test Before Building
Development starting on a major feature without an interactive prototype tested with real users — discovering usability problems after the code is already written.
What You Get
Every UI/UX engagement delivers these three groups of outputs.
Research & Information Architecture
- User interviews & behaviour analysis
- User flows & information architecture
- Competitive & usability audit
Design & Prototyping
- Wireframes & interaction design
- High-fidelity mockups for all screens & states
- Interactive prototype for user testing
Design System & Handoff
- Component library & design tokens
- Developer-ready specs & asset export
- Design QA support during development
How Your Design Gets Done
Five phases from research to developer handoff — structured so nothing gets built until the design is validated.
How Your Design Gets Done
Tools We Use
Industry-standard design tooling used across every project.
Related Case Studies
See how we've delivered results
Frequently Asked Questions
Find answers to common questions about our services, process, and how we can help your business.
Research first, wireframes second, high-fidelity designs third, prototype and test fourth, handoff last. Problems found in research cost nothing to fix — problems found in development cost everything.


