Top 100 iPhone Applications Development Companies in the United States

Posse is a development company headquartered in New York, N.Y. It was founded in 2013 and has about 5 employees. Posse specializes in mobile app development, but also provides UX/UI design and web development services. Most of its clients are midmarket businesses. 

Mobile application development company WillowTree, Inc. was founded in 2007. With headquarters in Charlottesville, Va., and offices in New York and Durham, N.C., WillowTree has a team of 200+. They offer full-service development for both iOS and Android platforms, including mobile strategy, user experience design, testing, launching, and maintenance. 

Softweb Solutions is a tech consulting company based in Elgin, Ill. They also have offices in Dallas and Ahmedabad, India. Since 2006, their team of over 300 has provided IT strategy consulting, big data consulting, cloud consulting & SI, and more for primarily enterprise-level clients. 

CbSol is a Lahore, Pakistan-based web development firm. Founded in 2019, the small team provides web development, cloud consulting & SI, mobile app development, blockchain, and more.

Madhupa.com | San Francisco Based is a web design company. The small San Francisco, California-based team focuses on web design, ux/ui design, custom software development, web development, and more. The company was launched in 2021.

Global software development company SolutionStream is headquartered in Lehi, UT with additional offices in Salt Lake City, UT and Scottsdale, AZ. SolutionStream mostly serves mid-market and enterprise clients in the education, financial services, and information technology industries. The team of about 100 employees provides custom software and mobile app development and UX/UI design.

Octal Digital is a web design company based in Houston. Founded in 2008, their team of two employees provides e-commerce development, mobile app design, and web design services.

Modus is a digital innovation consultancy based in New York City with a second office in Argentina. It was founded in 1999 and has a team of 59 employees. They specialize in digital strategy, web design, conversion optimization, web development, and mobile app development for mostly large enterprise clients.

Exquisite Software is a Scottsdale, AZ-based software development company that was founded in 2007. The small team of fewer than 10 employees serves mostly small businesses and specializes in web, mobile app, and custom software development. They also offer web design, UX/UI design, and IoT and e-commerce development.

Based in San Jose, California, E8 Labs is a mobile app development company. The company provides mobile app development, custom software development, web development, e-commerce development, and more and is small.The company was founded in 2017.

Fraction is a software development firm established in 2022. Their midsize team is based in Atlanta, Georgia. The firm offers custom software development, IT staff augmentation, IT managed services, web development, and more.

WeGotCode.com is a UX specialty company based in Atlanta. Founded in 2016, their team of two employees provide custom software development, UX design and cloud consulting services.

AD:60 Agency is development and digital agency with offices in Chapel Hill, N.C. and Brooklyn, New York. Founded in 2009, they have a team of nearly 30 people that provides mobile app development, UX/UI design, and digital strategy services to small, mid-market, and enterprise clients.

BuildLab is an IT services and development company based in Arlington, Va. Their small team has been specializing in custom software development, IT strategy consulting, and web development since 2019. 

Interactivism is a digital product design and development company founded in 2013. Based in Pasadena, Calif., the team of 8 specializes in UX/UI design, custom software development, and AR/VR development. 

Code N Apps is a website development firm. Their small team is located in Alpharetta, Georgia. The firm provides web development, mobile app development, wearable app development, and other application development.

GBMF Tech, a software development firm, was established in 2019. Their small team is headquartered in London, United Kingdom; Citrus Heights, California and Chișinău, Moldova. The firm provides custom software development, web development, mobile app development, and e-commerce development.

Apptomistic is a mobile app design & development company based in Orchard Lake, Mich. The company, founded in 2019, has a team of less than ten that provides mobile app development, application testing, and application management & support services. Apptomistic serves companies in the financial services, media, real estate, e-commerce, legal, and legal cannabis industries. 

Soft Tech Group, Inc. is an IT services firm founded in 2012. Their team of around 50 employees is based in New York. They specialize in IT staff augmentation, IT strategy consulting, and custom software development. They primarily serve enterprise and midmarket businesses in the IT industry.

NotionTheory Logo is a product development and design company founded in 2014. Based in Washington, D.C., their team of 4 specializes in AR/VR development, mobile app development, and web development. They mainly serve small businesses in the consumer products & services, media, and advertising & marketing industries. 

Web design agency Howdy | Unlimited Product Design Subscription was launched in 2014. The company provides web design, ux/ui design, product design, web development, and more and has a small team. The company is based in Tampa, Florida.

From Fargo, ND, Myriad Mobile has designed over 300 mobile apps since starting in 2011. They create mobile and web apps with a special focus on the agriculture and education industries.

NS804 is a software development firm founded in 2012. Their team consists of 11 employees, and they have offices in Richmond, Va. The firm specializes in mobile app development, UX/UI design, and custom software development for a variety of industries.

IntelliCeed Inc. Is a small software development firm. The Kharkiv, Ukraine-based agency was established in 2017. Their team offers custom software development, mobile app development, web development, IT managed services, and more.

Founded in 2011, Brain Bytes Creative is an Atlanta-based digital marketing firm with about 25 employees. They specialize in web design, web development, mobile app development, SEO, and content marketing.

Located in Durham, NC, Caktus Group is a full service development and consulting firm with around 25 employees. Founded in 2007, Caktus Group works closely with clients to create, develop, and launch custom applications. With a background in Django, Python, RapidSMS and RapidPro, Caktus Group helps clients with their web development, mobile app development, and custom software development needs.

Founded in 2010, WaferWire Cloud Technologies is located in Bellevue, Wash. Their team of about 50 employees provides web design, graphic design, and ERP consulting and SI services.

Bitsclan Solutions is a custom software development firm based in Lahore, Pakistan. Founded in 2015, their team of 30 serves clients in the IT, healthcare, and real estate sectors. Services include web development and mobile app development.

Tesuji is a development studio based in Nevada City, Calif. Their team of under 10 serves primarily small and midmarket businesses in industries such as telecommunications, consumer products, and more. Services include mobile app, AR/VR, and custom software development. They were founded in 2017.

Founded in 2010, Boston Byte is a custom software developer that is based in Marlborough, Mass. They also provide digital strategy and staff augmentation services.