AI Integration

Supercharge your workflows

AI is changing how products work, making things faster, smarter, and easier to use. But adding AI to existing systems can feel complicated.

Underbelly helps you build robust, scalable design systems

Challenges we've helped solve

Inconsistent Interfaces

Without a unified system, design variations emerge, confusing users.

Inefficient Collaboration

Developers and designers struggle to stay aligned without clear standards.

Slow Feature Rollout

Repeated design efforts delay launches and increase costs.

Full-stack development

You're in good hands

With over 13 years of experience building digital products, we can help you build a scalable design system.

4.5
From 10+ google reviews

Testimonials

This is the only design shop I’ve worked with that has been able to shed the agency/client dynamic enough to help drive a real dual-track discovery and development approach to building software.
Mark Parrett
Experticity
It has been a pleasure working with Underbelly for 9+ months. The quality of product design work was excellent, and Underbelly integrated directly with our team, working with product and engineering to understand goals and requirements. Underbelly has felt like an extended part of our design team.
Chelsea Klukas
Facebook
We initially selected Underbelly because, as a new company, we wanted a partner who was willing to start small with us. As we've grown, Underbelly has consistently met our needs and exceeded our expectations.
Brian Lovett
Trellis Rx

Trusted by these

leading brands.

Test assumptions

Launch Your MVP with Confidence

We create design systems that are easy to use, scalable, and flexible enough to evolve with your product. Every component is developed with both design and development teams in mind—streamlining workflows and making future development faster and smoother.

User Research & Analysis
Design Audits
UX Research
Product Roadmap
User Personas
Discovery Sprints
Usability Testing
Wireframes & Prototypes
User Experience Design
User Interface Design
Interaction Design
Motion Graphics
Illustrations & Iconography
Digital Prototyping
UI Design & Development
Front-End Development
Back-End Development
Web Applications
Mobile Applications
SAAS Implementation
CMS Integration
How we work

Our approach to building Design Systems

We create design systems that are easy to use, scalable, and flexible enough to evolve with your product. Every component is developed with both design and development teams in mind—streamlining workflows and making future development faster and smoother.

Discovery & Audit
We assess your current product interfaces, identifying patterns, gaps, and opportunities for unification.
Component Library Design
We create reusable components for UI elements like buttons, forms, and modals, ensuring consistency across your product.
Documentation & Guidelines
We develop detailed design and development guidelines that align all stakeholders and provide clear usage instructions.
Integration & Handoff
We collaborate with your development team to integrate the system seamlessly into your workflow and tech stack.
Training & Ongoing Support
We provide training for your team and offer ongoing support to help the design system evolve alongside your product.
We create design systems that are easy to use, scalable, and flexible

Design system services

A design system isn’t just a collection of components—it’s the foundation of a cohesive product experience.

UI Component Libraries

Build a library of consistent, reusable UI components to speed up development.

Design Guidelines & Documentation

Ensure every designer and developer knows exactly how to use each component.

Design System Audits

Identify gaps and inconsistencies in existing systems and create a plan for unification.

Cross-Team Training

Help your design and development teams align around the new system with workshops and onboarding.

Ongoing Support & Iteration

Maintain and improve your design system as your product evolves.

Unblock Your Team

Give your team that extra capacity to release faster and beat your competitors to the market.

Let's talk

about your big idea.

🤓 We typically respond within the hour.
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