10 Best Web App Development Firms

Last Updated January 26, 2021

Web applications are increasingly popular. Businesses can use these web applications to enhance the experience for their customers. Applications can also generate money and leads in and of themselves. These benefits are only possible when you work with the best web application development firms. There are a lot of these firms popping up these days, which can make it hard to find one with a good reputation. Fortunately, this list has been vetted on your behalf. All of the firms on this list have been chosen for the quality of their web applications and the consistent satisfaction of their clients. The companies below have been reviewed based on a wide range of qualitative and quantitative statistics. In some cases, variable listing fees effect position on this list; however only highly-regarded firms are accepted through our review analysis. Learn more about our ranking process here.

Best Web App Development Firms of 2021
Rank Name Website Location Hourly Rate Rating Employees Learn More

SPINX Digital spinxdigital.com Los Angeles $$$$ 98% 10-50

Lounge Lizard loungelizard.com New York City $$$$ 95% 50-250

Ruckus Marketing ruckusmarketing.com New York $$$$$ 94% 10-50

Arhue arhue.com San Francisco $$$$ 92% 10-50

Huemor Designs huemor.rocks Farmingdale $$$$ 91% 10-50
6 Dom and Tom domandtom.com New York $$$$$ 90% 50-250
7 8th Sphere 8sph.com Sparta $$$ 89% 10-50
8 Icreon icreon.us New York $$$$$ 89% 50-250
9 Mojo Tech mojotech.com Boulder $$$ 87% 10-50
10 Posse goposse.com New York $$$$$ 85% 10-50
11 Swarm swarmnyc.com New York $$$$$ 85% 10-50

#1 of 10 Best Web App Development FirmsSPINX Digital

911 W. Washington Blvd., Los Angeles, California 90015 - +1 (213) 894-9933

#1 of 10 Best Web App Development Firms of 2021 - Big ideas fuel creative revolutions at the west coast based firm Spinx Digital. Email marketing, content management, user experience, and social media project development all fall under their expertise. Whether it's business-to-business or business-to-customer, marketers and innovators at the agency take the time to understand what makes a clients customer base do what they do and make the decisions that they make. From here, they can construct optimized campaigns based on eliciting the desired responses.

#2 of 10 Top Web App Development CompaniesLounge Lizard

41 East 11th Street, #11th Floor, New York City, New York 10003 - +1 (646) 661-7828

#2 of 10 Top Web App Development Firms of 2021 - Having several offices in the United States of America, Lounge Lizard offers superb web solutions to clients nationwide. When it comes to developing web applications, this IT agency offers plenty of great options at reasonable rates. For example, the Laravel framework is often used by this company to create secure apps that are optimized mainly for desktop computers and laptop computers. Lounge Lizard ensures that the latest HTML syntax is properly inserted into the back ends of web pages. Of course, interactive features on websites must be powered by PHP scripts and other universal languages that are supported by web browsers.

#3 of 10 Top Web App Development CompaniesRuckus Marketing

240 W 37th St, #11th Floor, New York, NY 10018 - +1 (646) 930-8932

#3 of 10 Top Web App Developers of 2021 - Ruckus Marketing carries a great portfolio in web application development and other specialties. Based in the heart of Manhattan, New York City, this IT business likes to build apps for the most popular operating systems in the world. Throughout the years, the firm has launched an array of apps for Android smartphones and iPhones. Ruckus Marketing also develops powerful apps that function well on Google Chrome, Apple Safari, Mozilla Firefox, Microsoft Edge and other web browsers. Custom apps must be thoroughly debugged and tested on all possible browsers that are going to be used to view the dynamic content on different devices.

#4 of 10 Best Web App DevelopersArhue

500 Sansome St, #600, San Francisco, California 94111 - +1 (415) 921-9237

#4 of 10 Best Web Application Development Firms of 2021 - With Arhue, a web application firm, there is no argument. This firm doesn't offer you frills. It doesn't waste your time. Instead, it brings real-world solutions to your business needs. This approach has big benefits when it comes time for customers to seal the deal. Many clients find that their traffic retention rate increases exponentially after selecting Arhue. As most successful internet entrepreneurs know, a website's retention rate is a huge factor in predicting future revenue. That's why Arhue will manage its clients' sites for as long as needed to keep that optimization coming.

#5 of 10 Top Web App DevelopersHuemor Designs

1855 New Highway, #STE A, Farmingdale, New York 11735 - +1 (631) 393-6116

#5 of 10 Top Web App Development Firms of 2021 - The Huemor Designs firm has been around for a long time, and its team has kept up-to-date with its full range of technical skills and services. This includes designing web apps. It is increasingly important for a person to be able to access an app that offers fun functions and engaging features. For a business to have an app, there is a big potential for it to get more sales, name recognition and visibility for its brand. Huemor Designs can make an app for any operating system. They make sure that it works and can update or debug any time.

#6 of 10 Top Web App Development CompaniesDom and Tom

55 Broadway, #702, New York, NY 10006 - +1 (646) 741-5049

#6 of 10 Top Web App Developers of 2021 - Dom and Tom is a web app development firm that provides unique and interesting layouts for their customers, as well as the best designs and graphics available. No one wants a cookie-cutter website that looks like all the rest, and Dom and Tom know this. They have worked with a variety of industries and can create a unique website that will reach its intended audience. They will also make sure your website is responsive across every platform to draw in even more customers. Choose Dom and Tom when you want a website that works well to increase both sales and revenue.

#7 of 10 Top Web App Development Firms8th Sphere

350 Sparta Ave, #B6A, Sparta, NJ 7871 - +1 (212) 363-0197

#7 of 10 Best Web App Developers of 2021 - 8th Sphere is a web app development firm that serves clients across the globe. The company initially became widely known after building the 8th Sphere Virtual Mailbox, which ultimately reached tens of thousands of users. Now, 8th Sphere builds custom web applications for clients in virtually every industry in modern commerce. 8th Sphere also builds other things for clients upon request, such as websites, internal dashboards, mobile apps, and widgets. 8th Sphere always integrates its web apps with all other types of applications and websites to optimize results. The company strives to provide convenient, cost-effective services to all of its many clients.

#8 of 10 Best Web App Development FirmsIcreon

597 5th Avenue, #12, New York, New York 10017 - +1 (212) 706-6021

#8 of 10 Top Web App Development Companies of 2021 - It is a challenge for an entrepreneur or an owner of a business to find the right web app design firm to build and maintain a customized app. A leader in this area of tech services is Icreon. This firm can build an app for any platform. They work with clients who have a wide variety of purposes for the app. Perhaps the client wants to set up a new rewards program for promoting customer loyalty. Icreon can make an app for that. Icreon also builds apps for clients that want to offer a new service or grow their sales.

#9 of 10 Top Web App DevelopersMojo Tech

1731 15th Street, #103, Boulder, Colorado 80302 - +1 (855) 665-6832

#9 of 10 Best Web Application Development Firms of 2021 - Mojo Tech is one of the best web app development firms available throughout the United States today. If you have ever heard of Credit Karma, you'll be happy to know that they are just one of Mojo Tech's projects. Mojo Tech cares about the work that they do, and it is reflected in every single project they take on. Their exclusive in-house team of experts specializes in the following aspects of web app development: digital transformation, product development, cloud architecture, and software engineering. They offer the best and make sure they deliver nothing but a perfect app, each and every time.

#10 of 10 Best Web Application Development FirmsPosse

30 W 22nd St, #4, New York, New York 10010 - +1 (646) 801-6385

#10 of 10 Best Web App Developers of 2021 - Posse is one of the best web app development firms online for hire. They design websites that are made for tablets and mobile devices. Their team will sit down with you to discuss your every need and want when it comes to your website. It’s important to have a web app that works for users all over the world, and Posse makes sure that they do it right the first time. As one of the best development firms, Posse works hard to make your website dreams a reality as quickly and seamlessly as possible. Choosing their company means choosing the very best.

Special Recognitions

#11 Top Web Application Development FirmsSwarm

16 West 22nd St., #6, New York, New York 10010 - +1 (646) 709-7407

Swarm is one of the best web app development firms available today. They offer the following strategy services: innovation, new venture, market research, product life cycle enhancement, and digital. They have the technical capabilities to work with Android and iOS applications as well as web, OTT, and emerging tech. Swarm can develop a new website starting from nothing but ideas or tweak an existing one to run smoother and more efficiently. As one of the best and brightest web app development companies today, Swarm is paving the way as the biggest for sure. Choosing Swarm means giving your website the love it deserves.

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