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

Monkfish
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Monkfish UK is a top Digital Marketing Company that offers expert assistance to businesses and organizations in London, the South East, and the East Midlands. They focus on professional web design and redesign services, domain name registration, and web hosting, while also providing a wide array of
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
London, England, Gb
Services Provided
25% E-Commerce Development
25% Web App UI Design
25% Graphic Design
25% Search Engine Optimization (SEO)
AI Summary
“Monkfish UK is a leading digital marketing firm specializing in web design, domain registration, hosting, SEO, social media, and email marketing, serving London and surrounding regions with client-focused solutions.”
Quirky Letters Designs - Out of Business
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Quirky Letters Designs, LLC is a Black veteran-owned agency established by CEO Myesha Roane, dedicated to forging quality connections by prioritizing our clients. We guarantee excellent service, a hassle-free experience in website creation, and a final product that aligns with your vision. Leveragin
Highlights
$50-99/hr
Avg Hourly Rate
2-9
Employees
Virginia Beach, Virginia, Us
Services Provided
25% Custom Web Application Development
25% Web App UI Design
25% Search Engine Optimization (SEO)
25% Graphic Design
AI Summary
“Quirky Letters Designs, a Black veteran-owned agency, specialized in client-focused website creation and IT services, ensuring quality, ease, and alignment with client visions before ceasing operations.”
Miinded
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Miinded is a multi-disciplinary web3 studio based in France, established in 2021. We specialize in crafting exceptional experiences for creators and supporting brands as they transition to web3. Our services encompass developing, launching, and scaling innovative projects, with our team providing th
Highlights
$1,000+
Min Project Size
2-9
Employees
Peymeinade, Fr
Services Provided+1 Services
45% Blockchain & Web3 Development
5% Custom Web Application Development
20% Product UX Strategy
20% Web App UI Design
AI Summary
“Miinded is a French web3 studio delivering innovative blockchain solutions, including smart contracts, UX/UI design, and strategic consulting to support creators and brands in digital transformation.”
Kristine Neil
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Start an Impactful Online Store with eCommerce on Squarespace. Enhance your visibility or kick off your eCommerce journey on Squarespace using my easy solutions, step-by-step guides, and eCommerce web design services tailored for businesses of all sizes.
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
Services Provided+1 Services
29% E-Commerce Development
5% Custom Web Application Development
23% Web App UI Design
10% Product Design
AI Summary
“Kristine Neil delivers comprehensive eCommerce solutions, combining tailored Squarespace and Shopify web development, engaging UI/UX design, and cohesive marketing collateral to enhance online store impact.”
Flow Sparrow
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Flow Sparrow is an agency specializing in Webflow management and development for brands that prioritize user experience and growth. We provide unlimited support for a fixed monthly fee, fully handling our clients' Webflow requirements while ensuring top-notch user experience, conversion rates, and p
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Edmonton, Alberta, Ca
Services Provided+1 Services
29% Custom Web Application Development
5% CMS Development & Customization
23% Web App UI Design
10% UX Research & Usability Testing
AI Summary
“Flow Sparrow is a Canadian agency specializing in Webflow development, UI/UX design, and SEO services, delivering user-focused web solutions and growth support for startups.”
Moovlin
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Moovlin creates websites designed to assist local businesses in attracting genuine customers and improving visibility through Local Search Engine Optimization. Based in Jamestown, NY, we collaborate closely with businesses to enhance their online presence and contribute to the local community.
Highlights
$1,000+
Min Project Size
2-9
Employees
Jamestown, New York, Us
Services Provided+1 Services
29% Search Engine Optimization (SEO)
5% Conversion Rate Optimization (CRO)
33% Custom Web Application Development
23% Web App UI Design
AI Summary
“Moovlin, based in Jamestown, NY, develops websites focused on enhancing local businesses' online presence and visibility through tailored Local SEO strategies.”
Surat Infotech
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Welcome to the world of digital artistry, where creativity meets expertise! We are an experienced and agile web development firm committed to crafting unique solutions tailored to the specific needs of our clients. With more than eight years of collective experience in the IT sector, we take pride i
Highlights
< $25/hr
Avg Hourly Rate
10-49
Employees
Surat, Gujarat, In
Services Provided+1 Services
29% Custom Web Application Development
5% Mobile App Development (iOS & Android)
33% Search Engine Optimization (SEO)
23% Web App UI Design
AI Summary
“Surat Infotech is a skilled web development firm delivering innovative, full-stack digital solutions with expertise in modern technologies, enhancing user experience across diverse industries.”
DigiAgency
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Offer a wide array of online tactics aimed at identifying, attracting, and connecting with potential customers throughout the digital realm. These digital marketing services leverage various platforms like social media, search engines, and websites to develop tailored, data-informed, and effective a
Highlights
$1,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Jakarta, Jawa, Id
Services Provided+1 Services
30% Search Engine Optimization (SEO)
20% Pay Per Click
20% Web App UI Design
15% Graphic Design
AI Summary
“DigiAgency provides expert Web Design services focusing on Web App UI Design and Landing Page Design, crafting user-friendly digital experiences that drive engagement and conversions.”
Adeocode
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Adeocode creates custom software that clients fully own, with no licensing fees, vendor lock-in, or shared codebases. From day one, you'll receive a product tailored to your specifications that is entirely yours. Our agency, led by founders, handles projects from concept to completion, with direct m
Highlights
$25,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Chicago, Illinois, Us
Services Provided+1 Services
35% Custom Web Application Development
15% Mobile App Development (iOS & Android)
20% Product UX Strategy
18% Web App UI Design
AI Summary
“Adeocode delivers fully owned custom software across industries like healthcare, fintech, and logistics, emphasizing tailored solutions, clear management, compliance, and scalable architectures for high-stakes projects.”
SPLIT Development - Shopify Plus Agency
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Elevate Your Shopify Sales with SPLIT Development – Specialists in High-Performance E-Commerce At SPLIT Development, we don’t merely create Shopify stores; we design conversion-driven shopping experiences that lead to significant sales increases. As a focused Shopify and Shopify Plus agency, we supp
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Haapsalu, Ee
Services Provided+5 Services
20% E-Commerce Development
10% Custom Web Application Development
5% Frontend Development
5% Backend Development
AI Summary
“SPLIT Development is a Shopify Plus agency specializing in high-performance e-commerce solutions, delivering tailored stores and apps that enhance user experience and increase sales revenue globally.”

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