Top Web App UI Design Agencies

Web app UI design covers the screens people work in all day inside a browser-based product: dashboards, data tables, forms, settings, onboarding flows and admin panels. Designers turn requirements and wireframes into high-fidelity Figma layouts for every state, from empty and loading to error and permission-restricted, with the component and interaction specs developers build from. Product companies hire for it when launching a SaaS product, rebuilding a legacy internal tool, or when a growing app has drifted into inconsistent screens.

Favor portfolios with complex, data-heavy interfaces over marketing websites, since the skills differ. Ask how designs reach engineers and whether you get a component library they can reuse.

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10,000 Companies

List of the Best Web App UI Design Agencies

OttoFeller
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OttoFeller was established in 2012 by a group of experts enthusiastic about web and UI/UX technologies. Since its inception, we have successfully completed over 50 web projects for clients in the USA, Australia, the UK, and the EU. **Team:** Our team consists of web developers, UX/UI designers, QA
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Ljubljana, Si
Services Provided+4 Services
13% Custom Web Application Development
12% E-Commerce Development
10% Frontend Development
10% Backend Development
AI Summary
“OttoFeller specializes in full-stack web development and UX/UI design, delivering tailored eCommerce, live event platforms, and real-time applications using modern technologies since 2012.”
SlyFox Web Design and Marketing
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At SlyFox, we take pride in our ability to think creatively and customize our services for each individual client. Our commitment lies in assisting local businesses in enhancing their online presence through top-notch web design and advanced search engine optimization strategies. Our aim is to ensur
Highlights
10-49
Employees
London, Ontario, Ca
Services Provided+2 Services
18% Search Engine Optimization (SEO)
7% Pay Per Click
25% Web App UI Design
14% Graphic Design
AI Summary
“SlyFox Web Design and Marketing delivers tailored digital marketing, web design, and branding solutions, leveraging SEO, PPC, and graphic expertise to boost local business online growth in Canada.”
WebClinic
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To undergo editing
Highlights
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
30% Web App UI Design
20% Branding Services
20% Custom Web Application Development
10% Graphic Design
AI Summary
“With Product UX Strategy, Web App UI Design, and Interaction Design capabilities, WebClinic ensures intuitive, engaging user experiences that complement their development offerings.”
Active Market Leads
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Businesses must evolve to keep pace with the ever-changing digital environment. Are you ready to adjust your business strategies accordingly? We assist companies that are genuinely committed to expanding their operations by guiding them in the implementation of the latest strategies and tools. Searc
Highlights
2-9
Employees
Denver, Colorado, Us
Services Provided+3 Services
23% Search Engine Optimization (SEO)
5% Conversion Rate Optimization (CRO)
5% Digital Strategy
7% UX Research & Usability Testing
AI Summary
“Active Market Leads empowers contractors and local businesses with expert SEO, UX/UI design, conversion optimization, digital strategies, and consulting to enhance online presence and drive growth.”
Sombras Blancas Art & Design
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I’m Cris, the creator behind Sombras Blancas Art & Design, a boutique creative studio focused on helping businesses stand out through intentional branding and attractive, functional websites. I work with Wix, Squarespace, and WordPress, selecting the platform that best aligns with each client's obje
Highlights
$25-49/hr
Avg Hourly Rate
Services Provided+2 Services
25% Brand Identity Design
10% Marketing Collateral Design
15% Logo Design
5% Print Design
AI Summary
“Sombras Blancas Art & Design is a boutique creative studio offering tailored branding and website design services across Wix, Squarespace, and WordPress to showcase clients' unique identities professionally.”
Clementine House Branding Agency
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We leverage strategic brand development and neuroscience to help startups achieve a competitive edge through innovative naming, identity creation, and positioning.
Highlights
$1,000+
Min Project Size
$150+/hr
Avg Hourly Rate
2-9
Employees
Services Provided
50% Branding Services
20% Business Consulting Services
15% Logo Design
15% Web App UI Design
AI Summary
“Through their expertise in web design, Clementine House provides tailored landing page designs and information architecture, ensuring brand-aligned, user-centric digital experiences that complement their branding services.”
Make Do
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We create websites for devices of all shapes and sizes, focusing on both performance and accessibility. No matter if your visitors are on smartphones, tablets, laptops, desktops, or anything else, your site will look great on any screen. We customize your website for each user, employing a "mobile f
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided
50% Software Development Services
20% E-Commerce Development
15% Managed IT Services
15% Web App UI Design
AI Summary
“Make Do focuses on Web App UI Design with a mobile-first and responsive approach, ensuring websites look great and function well across all devices for optimal user experience.”
C
createonix
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As an experienced freelance WordPress developer, I focus on building efficient and responsive websites designed to cater to the specific requirements of my clients. My expertise includes custom themes, plugin development, and e-commerce solutions, allowing me to create websites that load quickly and
Highlights
< $25/hr
Avg Hourly Rate
Services Provided+1 Services
20% Custom Web Application Development
20% E-Commerce Development
10% CMS Development & Customization
30% Web App UI Design
AI Summary
“Createonix specializes in custom WordPress development, offering responsive, efficient websites with tailored themes, plugins, and e-commerce solutions to meet diverse client needs.”
Pixelfish
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We are Pixelfish, a sustainable web design studio focused on branding. Our joy lies in collaborating with diverse individuals, learning about your unique experiences, and making a positive difference. Since 2009, we've committed ourselves to listening, understanding, and working alongside you. We ai
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+1 Services
23% Web App UI Design
10% UX Research & Usability Testing
27% Brand Identity Design
7% Brand Refresh & Rebranding
AI Summary
“Pixelfish is a sustainable web design studio specializing in branding, collaborating closely with clients since 2009 to deliver award-winning, trusted, and impactful digital solutions.”
Rich Technologies
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RichTechnologies: Elevating your business as your IT digital partner! With over 14 years of experience and a diverse skill set, we can guide you from concept to a functioning product while staying within your budget and schedule. We dedicate more than 40 hours each week to serving over 300 clients a
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Lahore, Pk Punjab, Pk
Services Provided+2 Services
23% Custom Web Application Development
18% Backend Development
10% Frontend Development
25% Product Design
AI Summary
“Rich Technologies is a global IT firm with 14+ years experience, specializing in custom software, web and mobile development, UI/UX design, and innovative digital solutions across multiple industries.”

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