Front-end development isn’t just about polished visuals or pixel-perfect grids. It’s about making interfaces that behave well under pressure, adapt across devices, and feel intuitive the moment you land on them. In the US, a number of front-end teams are doing this right – quietly, consistently, and without cutting corners. Whether you’re building a SaaS platform, an internal dashboard, or a full-scale web app, working with the right front-end partner makes all the difference. This article explores the companies that treat front-end not as an afterthought, but as the foundation for a usable, scalable product.

1. Oski Solutions

We focus on building front-end solutions that are straightforward, functional, and designed to work in the real world. We’re not chasing buzzwords or adding visual noise just to impress. Our team puts effort into understanding how an interface will actually be used and making sure it holds up under day-to-day conditions. We stay hands-on with our tools – React, Vue, Angular, Nuxt, and others – and build systems that remain flexible without sacrificing performance or long-term maintainability. We provide services in the USA and worldwide.

We approach front-end work as part of the bigger picture. A clean UI is only as good as the logic behind it and the way it fits into the broader architecture. That’s why we work closely with backend systems, cloud environments, and DevOps processes when needed. Whether we’re building a standalone web app or a component of a larger product, we stick to clear code, solid structure, and designs that actually make sense to the people using them.

Key Highlights:

• Built with frameworks like React, Vue, Angular, and Nuxt
• Tied front-end into complete cloud and backend architectures
• Focused on responsive, usable design rather than visual overload
• Support for complex UI features in enterprise environments
• Code-first approach with clean structure and maintainability in mind

Services:

• Full Stack Web Development
• UI/UX Design
• Progressive Web Apps (PWA)
• React Native Front-End for Mobile
• Integration with Cloud and DevOps
• Custom JavaScript Framework Implementations

Contacts:

• Website: oski.site 
• E-mail: contact@oski.site
• LinkedIn: www.linkedin.com/company/oski-solutions
• Address: Estonia, Tallinn, Kaupmehe tn 7-120, 10114
• Phone: +48571282759

2. Zazz

Zazz approaches front-end development with a mix of structured methods and broad framework knowledge. Their team works across HTML, CSS, and JavaScript-based tools like React, Vue, and Angular, applying these to a variety of business use cases. While design plays a clear role, the emphasis is on responsive builds that scale across devices and support user interaction without friction. They also cover additional areas like performance optimization, testing, and technical maintenance to make sure apps run as expected after launch.

Beyond just layout or visual consistency, Zazz integrates API connections, builds SPAs, supports CMS theming, and works with progressive web apps where needed. Their team structure allows them to shift between one-off components and fully scoped systems depending on the context. They also place attention on quality assurance and frontend integration with external services, which is especially useful for web portals and ecommerce platforms.

Key Highlights:

• Works across JavaScript frameworks like React, Vue, Angular
• Focuses on both dynamic UI/UX and system responsiveness
• Offers testing, QA, and technical support services
• Covers full-cycle web development, including APIs and CMS theming
• Incorporates front-end performance optimization techniques

Services:

• Front-End Development
• Responsive Web Design
• Dynamic UI/UX Design
• API Integration
• Progressive Web Applications
• Single-Page Applications
• CMS Front-End Customization
• Testing and QA
• Maintenance and Support

Contacts:

• Website: www.zazz.io
• Facebook: www.facebook.com/Zazz.Official
• Twitter: x.com/Zazz_Official
• LinkedIn: www.linkedin.com/company/zazz-io
• Instagram: www.instagram.com/zazz.io
• Address: Suite 3100, 325 North St. Paul Street, Dallas, TX 75201

3. Andersen

Andersen structures its front-end services around long-term product development. Their engineers work with React, Angular, and Vue, often combining these with tools like TypeScript, Redux, and Next.js depending on the complexity of the project. A lot of their focus is on enterprise-level products, where they provide not just developers, but also related roles like UI/UX designers, QA, or DevOps when needed. The goal is usually to maintain code consistency, deliver UI-focused functionality, and integrate systems that handle real-world business logic.

They are well-positioned for companies building out complete systems in logistics, finance, healthcare, or telecom. Many of their projects support internal tools, dashboards, or customer-facing platforms where design and performance need to align with backend logic. Their approach often includes collaboration across distributed teams and multiple stakeholders, with clear deliverables built on stable frameworks.

Key Highlights:

• Skilled in React, Vue, Angular, and other supporting tools
• Focus on enterprise environments and complex UI/UX builds
• Offers complete team augmentation including PMs, architects, and QA
• Emphasis on long-term maintainability and integration
• Covers a wide set of industries including healthcare, finance, logistics

Services:

• Front-End Development
• UI/UX Design
• Staff Augmentation
• Custom Web Interfaces
• Integration with Enterprise Systems
• Project-Based Software Development
• React/Angular/Vue Development
• Cross-Platform Front-End Builds

Contacts:

• Website: andersenlab.com
• E-mail: vn@andersenlab.com
• Facebook: www.facebook.com/AndersenSoftwareDev
• Twitter: x.com/AndersenLabs
• LinkedIn: www.linkedin.com/company/andersen-lab
• Instagram: www.instagram.com/andersen.global
• Address: 7300 State Highway 121, Suite 300, Dallas, Texas 75070
• Phone: +1 910 916 4176

4. BairesDev

BairesDev takes a structured and modular approach to front-end development, with teams experienced in SPAs, PWAs, and responsive UI architecture. Their developers build with modern JavaScript frameworks and apply best practices around code organization, semantic markup, and CSS architecture. The work covers everything from UI design and HTML/CSS foundations to JavaScript-heavy applications with interactive features and custom behavior.

Their services also extend into CMS theming, analytics-informed UX design, and progressive enhancements. They pay attention to maintaining consistency across devices, handling codebase versioning, and implementing standards for accessibility and performance. Projects often include collaboration with backend systems or data layers, depending on client needs.

Key Highlights:

• Delivers SPAs and PWAs using React, Angular, and Vue
• Builds fully responsive layouts with semantic HTML and structured CSS
• Supports CMS theming and component customization
• Emphasizes scalable architecture and performance standards
• Combines development with UX research and prototyping

Services:

• Front-End Development
• Custom JavaScript Builds
• UI/UX Design
• Responsive HTML/CSS Layouts
• Progressive Web Applications
• Single-Page Applications
• CMS Front-End Customization
• Cross-Platform Web Interfaces
• Code Review and Optimization

Contacts:

• Website: www.bairesdev.com
• Facebook: www.facebook.com/bairesdev
• Twitter: x.com/bairesdev
• LinkedIn: www.linkedin.com/company/bairesdev
• Instagram: www.instagram.com/bairesdev
• Address: 50 California Street, San Francisco, California, USA
• Phone: +1 (408) 478-2739

5. MindInventory

MindInventory focuses on building adaptable, user-facing applications that cover both standalone projects and modern upgrades for older systems. They work with frameworks like React, Angular, and Vue, while also supporting full-stack builds using combinations like MERN, MEVN, and LAMP. Their development covers everything from traditional HTML/CSS setups to progressive web apps and micro frontend architectures. 

The team collaborates across both frontend and backend, providing integrated development services when needed. They often work with clients in sectors like fitness, finance, healthcare, and logistics. Their style is structured but flexible enough to support one-off builds or long-term product maintenance. They focus on responsive interfaces and usability while also offering UI/UX design and testing services.

Key Highlights:

• Modular builds using Angular, React, Vue, and Next.js
• Focus on legacy frontend modernization and responsive layouts
• Supports micro frontend structures and PWA development
• Combines frontend with backend via full-stack stacks (MERN, MEAN, etc.)
• Applies UI/UX design alongside development

Services:

• Custom Front-End Development
• Single-Page Application Development
• UI/UX Design
• Progressive Web App Development
• Micro Frontend Architecture
• Full-Stack Web App Development
• Legacy Frontend Modernization

Contacts:

• Website: www.mindinventory.com
• E-mail: sales@mindinventory.com
• Facebook: www.facebook.com/Mindiventory
• Twitter: x.com/Mindinventory
• LinkedIn: www.linkedin.com/company/mindinventory
• Address: 9341 Ellis Way, Strongsville, Ohio 44136, USA
• Phone: +1-216-609-0691

6. Ahex Technologies

Ahex Technologies builds custom frontends that balance appearance with structure. Their team works across modern libraries and languages including React, Vue, Angular, and TypeScript. Their frontend offering supports both simple site builds and highly tailored SPAs or progressive web apps. They also provide design-to-code services, ensuring that their work aligns closely with pre-approved visuals or brand guidelines.

Their developers often combine frontend work with APIs, real-time features, and accessibility efforts. Whether building dashboards, booking platforms, or client-facing websites, they approach the front end as part of a broader user journey. Many of their projects involve integrating third-party services or aligning with backend systems, especially for sectors like education, real estate, or ecommerce.

Key Highlights:

• Builds with frameworks like React, Vue, and Angular
• Offers design-to-code conversion and UI support
• Includes PWA and SPA builds with attention to performance
• Supports frontend integration with external APIs and backends
• Focuses on responsive, cross-device delivery

Services:

• Front-End Development
• Design-to-Code Implementation
• HTML5 and CSS3 Development
• JavaScript and jQuery Development
• PWA and SPA Development
• Angular and React Services
• Micro Frontend Integration

Contacts:

• Website: ahex.co 
• E-mail: sales@ahex.co.in
• Facebook: www.facebook.com/AhexTechnologies
• Twitter: x.com/ahextechnology
• LinkedIn: in.linkedin.com/company/ahex-technologies
• Instagram: www.instagram.com/ahextechnologies
• Address: 651 n Broad st Suite 206 Middletown Delaware 19709
• Phone: +1 - 6503197394

7. Hidden Brains

Hidden Brains provides structured front-end development across enterprise and startup environments. Their work includes SPA builds, cross-browser compatibility, frontend architecture, and legacy modernization. They often apply modular approaches using frameworks like React, Angular, and Vue while building out scalable components that support real-time interactions and dynamic updates.

Beyond visuals, their team also addresses performance tuning, accessibility, and system compatibility. Their frontend work is often connected to data-heavy backends, either via REST or GraphQL. Hidden Brains supports micro frontends, SSR, and component-based structures, and they aim to align with both product design and technical scalability across industries including finance, real estate, and travel.

Key Highlights:

• Uses modern stacks including React, Vue, and Angular
• Supports micro frontends, SSR, and SPA builds
• Focuses on modular, scalable architecture
• Offers accessibility support and frontend performance tuning
• Takes on legacy UI modernization for existing products

Services:

• Front-End Development
• Single-Page Application (SPA) Development
• Server-Side Rendering (SSR) and CSR
• Cross-Browser Compatibility Support
• Frontend Architecture and Component Design

Contacts:

• Website: www.hiddenbrains.com
• E-mail: biz@hiddenbrains.com
• Facebook: www.facebook.com/HiddenBrains
• Twitter: x.com/HiddenBrains
• LinkedIn: www.linkedin.com/company/hiddenbrains-infotech
• Instagram: www.instagram.com/hiddenbrains_infotech
• Address: 17875 Von Karman Avenue Irvine, California 92614
• Phone: +1 323-908-3492

8. AppVerticals

AppVerticals focuses on building frontend solutions that prioritize user experience, responsiveness, and long-term maintainability. They approach frontend development through a structured design and build process, starting from user-centric UI/UX design to detailed HTML/CSS implementation. Their team works across key frameworks such as React, Angular, and Vue.js to support various business needs, whether it’s an interactive web platform or a mobile-responsive site.

They combine visual clarity with technical structure, ensuring that digital products not only meet functional requirements but also align with user expectations. Their frontend work spans industries like delivery, education, finance, and entertainment. They emphasize collaboration, iterative feedback, and device compatibility as part of their process, while offering continued support after deployment.

Key Highlights:

• Built custom solutions with modern frameworks 
• Handled complex responsive layouts for multiple screen types 
• Created frontend experiences tailored for industry-specific apps 
• Focused on usability, navigation clarity, and consistent design systems 
• Structured frontend process with quality assurance and post-launch support

Services:

• UI/UX Design
• Frontend for E-commerce, Education, Delivery Apps
• Responsive Web Design
• HTML/CSS Development
• React, Angular, and Vue.js Frontend Frameworks

Contacts:

• Website: www.appverticals.com
• E-mail: info@appverticals.com
• Facebook: www.facebook.com/appverticals.dallas
• Twitter: x.com/AppVertical
• LinkedIn: www.linkedin.com/company/app-verticals
• Address: 15305 Dallas Pkwy 12th Floor, Addison, TX 75001, USA
• Phone: +1-833-888-2433

9. QArea

QArea provides frontend development as part of their broader web and software services, focusing on consistent user experiences across web and mobile interfaces. They support clients from concept to deployment, often starting with a consultation to understand technical needs. Their tech stack includes JavaScript frameworks such as React and Angular, supported by backend services and QA processes.

They position frontend development within a complete delivery cycle that includes MVP development, DevOps, QA, and cross-functional teams. Their portfolio includes industries like eCommerce, healthcare, and finance, where they emphasize smooth interaction and platform reliability. 

Key Highlights:

• Works across both frontend and backend stacks for full-cycle delivery 
• Supports startups and enterprises with scalable UI solutions 
• Offers onboarding support and consultation for MVPs or long-term builds 
• Uses team extension or dedicated model for frontend staffing 
• Combines design and performance optimization under one team

Services:

• Custom Frontend Development 
• React and Angular Development 
• MVP Frontend Prototypes 
• QA and Testing for UI Components 
• Frontend Support for eCommerce, HealthTech, FinTech

Contacts:

• Website: qarea.com
• E-mail: business@qarea.com
• Facebook: www.facebook.com/qarea.inc
• Twitter: x.com/QArea
• LinkedIn: www.linkedin.com/company/qarea
• Instagram: www.instagram.com/qarea_ua
• Address: Olympic Blvd, Beverly Hills, CA 90211 USA
• Phone: +1 310 388 93 34

10. The Frontend Company

The Frontend Company operates with a clear focus on interface design and development, especially for SaaS products. They specialize in Angular and React projects, with added services in frontend audits, modernization, and scalable architecture. Their structure is tightly centered on frontend delivery, often working alongside internal or external teams as a specialist partner.

They combine design system implementation with modern frontend practices like micro frontends and SSR (server-side rendering). They prioritize maintainability, responsiveness, and visual clarity while aligning closely with client teams on code structure and workflow. Their experience spans industries from education and retail to analytics platforms.

Key Highlights:

• Delivers only frontend-specific services with a narrow focus 
• Supports legacy migrations and modernization efforts 
• Offers frontend audits and scalability reviews 
• Trusted by SaaS firms and tech startups for React and Angular work 
• Design-first approach with in-house collaboration

Services:

• React and Angular Development 
• Frontend Audit and Modernization 
• Application UI for SaaS Platforms 
• Micro Frontends and Component-based Development 
• Frontend Team Augmentation 
• Frontend Design System Implementation

Contacts:

• Website: www.thefrontendcompany.com
• E-mail: info@thefrontendcompany.com
• Facebook: www.facebook.com/frontendcompany
• LinkedIn: www.linkedin.com/company/thefrontendcompany
• Instagram: www.instagram.com/thefrontendcompany
• Address: 2093 Philadelphia Pike, Claymont, DE 19703, United States
• Phone: +1 (646) 980-2507

11. Capsquery

Capsquery works on frontend development with a practical approach to design, responsiveness, and user interaction. They focus on delivering scalable and structured interfaces across web and mobile platforms using modern frontend tools like React, Angular, and Vue. Their workflow includes early analysis, wireframing, and iterative testing, followed by final deployment and continued support. They offer flexibility in team hiring, including ad hoc and full-time arrangements, tailored to different project sizes and durations.

Their team combines visual design with functional standards, especially in CMS theming, HTML/CSS structure, and JavaScript development. Their service also includes converting design files to frontend templates, which is helpful for clients needing structured outputs from designers. 

Key Highlights:

• Offers flexible hiring models without fixed hourly commitment 
• Covers PSD to frontend conversion and Bootstrap integration 
• Supports CMS platforms like WordPress, Joomla, Drupal 
• Follows sprint-based development with regular client updates 
• Post-deployment support and maintenance included

Services:

• Responsive Web Design 
• HTML & CSS Development 
• JavaScript and Frontend Frameworks (React, Angular, Vue) 
• CMS Theme Integration 
• UI/UX Design Wireframes, Prototypes, and Visual Layout Implementation

Contacts:

• Website: capsquery.com
• E-mail:  info@capsquery.com
• Facebook: www.facebook.com/CapsqueryInc
• Twitter: x.com/capsquery
• LinkedIn: in.linkedin.com/company/capsquery
• Instagram: www.instagram.com/capsquery
• Address: 10685-B Hazelhurst Dr.#40956 Houston, TX 77043 USA
• Phone: (+1) 7133478380

12. CMARIX

CMARIX structures its frontend services around clear project goals, scalable tech, and full-stack alignment. They emphasize human-centered UI/UX experiences and use modern JavaScript libraries and frameworks such as React, Angular, and Vue. Their process starts with research and planning, followed by design, development, QA, and post-launch support. They also offer Webflow and Node.js integration alongside core frontend work.

The team works across sectors like healthcare, banking, travel, and eCommerce, tailoring interface design and development to each industry. They focus on agility, transparency, and detailed client feedback loops throughout the lifecycle. Their engagement model allows for client-led interviews and onboarding when hiring dedicated developers for frontend projects.

Key Highlights:

• Covers frontend development from planning to support 
• Uses design sprints and wireframes to shape UX/UI early 
• Supports both visual branding and backend coordination 
• Applies agile methodology for flexibility and iteration 
• Offers developer interviews and client-managed teams

Services:

• Web and Mobile Frontend Development 
• Angular, React, and VueJS Development 
• UI/UX Design 
• JavaScript and NodeJS Frontend Integration 
• Post-launch Support and Maintenance

Contacts:

• Website: www.cmarix.com
• E-mail: biz@cmarix.com
• Facebook: www.facebook.com/cmarixinfotech
• Twitter: x.com/cmarixinfotech
• LinkedIn: www.linkedin.com/company/cmarix
• Instagram: www.instagram.com/cmarixinfotech
• Address: 32572 Miller Ct. Temecula, CA 92592
• Phone: +1 415-704-4242

13. DICEUS

DICEUS provides frontend development services as part of broader software delivery solutions, working with both startups and enterprises. They follow a structured approach beginning with requirements gathering and prototyping before heading into development and QA. Their work spans industries like insurance, fintech, logistics, and retail, and they support technologies including React, Angular, Vue, and TypeScript.

Their frontend team aligns closely with design and UX to build consistent interfaces that perform well across devices. DICEUS also emphasizes staff augmentation and dedicated team models, offering clients options to expand capacity without the overhead of long hiring processes. 

Key Highlights:

• Offers dedicated teams and staff augmentation options 
• Focuses on modular, scalable frontend architecture 
• Handles design-to-code translation with quality assurance 
• Supports both product discovery and delivery stages 
• Integrates front-end into broader systems with backend logic

Services:

• UI/UX Design and Implementation 
• Front-End Prototyping and Development 
• React, Angular, and Vue Development 
• Ongoing Frontend Support and Maintenance

Contacts:

• Website: diceus.com
• E-mail: info@diceus.com
• Facebook: www.facebook.com/DICEUS
• Twitter: x.com/diceus_global
• LinkedIn: www.linkedin.com/company/diceus
• Address: 2810 N Church St, Ste 94987 Wilmington, Delaware 19802-4447
• Phone: +1 (929) 309-1005

14. SolveIt

SolveIt focuses on building frontend experiences that adapt to different screen sizes and perform consistently across browsers. Their workflow is anchored in six steps, from gathering requirements to post-launch support. They approach each project by aligning technical execution with business goals, working closely with clients throughout the process.

The team uses frameworks like AngularJS, React, Redux, Vue, and Svelte, along with styling tools such as Tailwind, Material UI, and Styled Components. They specialize in developing responsive designs, progressive web apps, and frontend for appointment tools, healthcare platforms, and B2B e-commerce.

Key Highlights:

• Offers end-to-end frontend development with structured process 
• Supports a wide range of modern frontend frameworks 
• Focuses on responsive design and device compatibility 
• Provides UI/UX planning before development 
• Incorporates design systems like Ant Design and Bootstrap

Services:

• Frontend Architecture and Development 
• Responsive Web Design 
• QA and Cross-Browser Testing 
• Post-Deployment Monitoring

Contacts:

• Website: solveit.dev
• Facebook: www.facebook.com/SolveIt.dev
• Twitter: x.com/SolveItTeam
• LinkedIn: www.linkedin.com/company/solveitteam
• Instagram: www.instagram.com/solveit.dev
• Address: 1936 Folsom St, San Francisco, CA 94103
• Phone: +1 415 875-5915

15. Simpalm

Simpalm develops frontend systems for startups, enterprises, and nonprofits, covering apps, web dashboards, and content-driven platforms. Their team handles interface design and client-side coding using HTML, CSS, JavaScript, Angular, and React. They focus on engagement, aiming for interfaces that support both business logic and user interaction.

The company emphasizes Agile methodology, using scrum cycles to deliver iterative improvements. They handle everything from UI/UX design to post-launch maintenance. Past work includes platforms for hiring, rewards, and service management, often combining frontend with mobile or backend development.

Key Highlights:

• Provides both frontend and backend integration 
• Applies Agile workflows for steady iteration 
• Supports SaaS and dashboard interfaces 
• Experience in high-traffic and industry-specific platforms 
• Cross-platform responsive design included

Services:

• UI/UX Design 
• Web App Frontend Development 
• Cross-Browser Optimization

Contacts:

• Website: www.simpalm.com
• E-mail: contact@simpalm.com
• Facebook: www.facebook.com/Simpalm
• LinkedIn: www.linkedin.com/company/simpalm
• Address: 11821 Parklawn Drive, Suite 130, Rockville, MD 20852
• Phone: (301) 541-3076

16. Innowise

Innowise structures its frontend development around component-based engineering, offering standalone UI builds, app modernization, and team augmentation. Their stack includes React, Angular, Vue, JavaScript, Svelte, and HTML/CSS, allowing them to tailor products for industries like healthcare, fintech, and logistics. They also handle HMI and PWA builds for specialized interfaces.

Clients can work with Innowise through flexible cooperation models such as full-stack delivery or dedicated staffing. They design responsive interfaces with consistent branding and usability across form factors. Their frontend development is embedded in broader service offerings that include prototyping, architecture planning, and long-term maintenance.

Key Highlights:

• Supports modernization of existing UIs 
• Offers dedicated or project-based teams 
• Covers full-stack delivery with backend alignment 
• Uses lightweight and enterprise-level frameworks 
• Maintains frontend after deployment

Services:

• Custom Frontend Development 
• SPA and PWA Frontend 
• CMS Frontend Customization 
• Frontend Consulting and Team Augmentation 
• Responsive Design and Prototyping

Contacts:

• Website: innowise.com
• E-mail: contact@innowise.com
• Twitter: x.com/innowisegroup
• LinkedIn: www.linkedin.com/company/innowise-group
• Address: 7901 4th St N STE 300, St. Petersburg, FL 33702, USA
• Phone: +1 917 267 7727

Conclusion

Front-end development in the US is clearly more than just pixels and code. It’s where design meets structure, where performance ties into accessibility, and where business goals quietly shape user journeys. The companies we’ve covered don’t all follow the same blueprint, and that’s the point. Some lean into UI design, others into component-driven architecture, and a few bring backend fluency to the front of the stack.

If there’s a common thread, it’s this: strong front-end teams don’t just build interfaces – they build systems that scale, adapt, and actually work in production. Whether it’s a React-based dashboard, a Vue.js eCommerce portal, or something more bespoke, the teams in this list show how front-end work can be both thoughtful and practical. Choosing the right partner still depends on your goals, timeline, and the quirks of your stack, but at least now, you’ve got a better sense of where to start.