4kath

High-end UX/UI design for MVPs and startups

Buenos Aires, Argentina, Buenos Aires, C1414, Argentina

https://4kath.com

4kath Overview

Year Founded: 2025

Employees: Under 49

Minimal Budget: Under $1,000

Average Hourly Rate: $40/hr

4kath is a boutique UX/UI design studio founded by Katerina Khorolskaia, a lead designer with deep expertise in product design, web, mobile, and e-commerce interfaces.

We work with startups, SaaS products, and ambitious brands that need more than just visuals they need design that drives results. Our process combines strategic thinking with high-end execution: from user research and wireframing to polished, developer-ready interfaces.

Our core services include:
UX/UI Design for web and mobile
Product design for SaaS and AI-driven platforms
E-commerce design
MVP design for startups
Design systems and component libraries

Every project at 4kath starts with understanding your business goals and users. We don't just make things look good we make them work. Based in Buenos Aires, we collaborate with clients globally.

4kath Services

Client Types

Startups
Small Businesses
Medium Businesses

Branding Expertise

Brand Design

Product Design Expertise

AI Product Development
Digital Design

UI/UX Expertise

AI UI/UX Design
Dashboard Design
Interactive Design
UX Research
UX Strategy

Web Design Expertise

Landing Page Design
Mobile First
Responsive
eCommerce

4kath Clients

Lilo photo point

NL-NUTRITION

WTF It's BTC

4kath Team Bios

Katerina Khorolskaia

UX/UI designer and team lead, I craft interfaces that are both intuitive and delightful to use. From initial ideas to final delivery, I guide projects through every stage shaping logic, aligning with business goals, and ensuring quality. As a design team lead, I support my teams growth and maintain