Top 100 Software Development Companies in Pennsylvania
The Best of December 2025Looking for a top software developer in Pennsylvania?
As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence.
To assist you in your search for a partner, we’ve compiled this list of the top software development companies in Pennsylvania. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Pennsylvania Software Developers
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures is a software development firm. Their small team is located in Irvine, California. The firm specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more.Read More
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$25,000+10 - 49 employeesMedina, WAFlower Press Interactive is a small user experience agency launched in 2001. Their team offers UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more. The company is located in Medina, Washington.Read More
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$10,000+10 - 49 employeesJohannesburg, South AfricaRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
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1$10,000+50 - 249 employeesPhiladelphia, PALaunched in 2010, Curotec is a software development company. In Philadelphia, Pennsylvania and Newtown Square, Pennsylvania, their midsize team specializes in Custom Software Development, Web Design, and Web Development.Read More
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PlumeIndustries
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2$5,000+10 - 49 employeesAllentown, PARead More
KDG is a leading tech provider working primarily with educational institutions, non-profits, and small to midsize family businesses. Headquartered in Allentown, Pa., with a satellite office in Washington, DC, KDG provides custom software development, CRM consulting, sales intelligence, and IT managed services.
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Drexel UniversityIndustries
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3$10,000+2 - 9 employeesCanonsburg, PARead More
ANTLR Interactive is a Pittsburgh-based mobile app development firm. Founded in 2014, it has 2 employees who specialize in mobile app development, web development, and custom software development. The team serves small business and midmarket clients in the nonprofit, e-commerce, and health care & medical industries.
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ANGLRIndustries
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4$50,000+50 - 249 employeesConshohocken, PARead More
Enterprise App Modernization company Think Company was established in 2007. They are headquartered in Conshohocken, Pennsylvania and Philadelphia, Pennsylvania and have a midsize team. Think Company offers Enterprise App Modernization, UX/UI Design, Product Design, Custom Software Development, and more.
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ADP Vanguard Comcast Johnson & JohnsonIndustries
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5$10,000+10 - 49 employeesLansdale, PARead More
With 75+ employees, OpenSource Technologies specializes in digital marketing and web and mobile solutions. The Philadelphia-based agency has a global presence – serving companies in more than 35 countries and working from another office in India.
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27th InvestmentsIndustries
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6$25,000+50 - 249 employeesWexford, PARead More
OpenArc, LLC is a technology consulting firm based in Wexford, Pa. with a team of over 50 members. Since 2010, they have offered their expertise in UX/UI design, IT strategy consulting, and custom software development for business intelligence and e-commerce purposes.
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ArconicIndustries
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7$10,000+10 - 49 employeesKing of Prussia, PARead More
Fynydd is a software development and IT services firm based in King of Prussia, Pa. Founded in 2010, they have about 10 employees that work with organizations in all industries and organization size. Their services include web design and development, custom software development, mobile app development, UX/UI design, and IT strategy consulting.
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Saint-Gobain New Relic US Bank Endo PharmaceuticalsIndustries
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8Undisclosed10 - 49 employeesLancaster, PARead More
Seisan is a software development company. Founded in 1994, the team offers custom software development. Their small company is based in Lancaster, Pennsylvania.
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Armstrong World Industries AHF Department of Homeland Security Maryland Office of the ComptrollerIndustries
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9$5,000+10 - 49 employeesPittsburgh, PARead More
Build in Motion is a Pittsburgh, Pennsylvania-based user experience design agency. They focus on ux/ui design, e-commerce development, mobile app development, web design, and more and were established in 2013.
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10$10,000+10 - 49 employeesPipersville, PARead More
Spark DSG is a UX design agency. The small team is based in Doylestown, Pennsylvania. Their services include ux/ui design, web design, web development, e-commerce development, and more.
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JuvenescenceIndustries
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11$10,000+10 - 49 employeesLafayette Hill, PASOTechnology is a small AI Agents company. Founded in 2007, the company is in London, England and Lafayette Hill, Pennsylvania. Their team provides AI Agents, Artificial Intelligence, Custom Software Development, Digital Strategy, and more.Read More
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bakerdaysIndustries
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12$5,000+10 - 49 employeesPittsburgh, PARead More
Blue Archer is a Pittsburgh-based website design, development, and custom software company that specializes in web design and development, digital strategy and custom software development. Founded in 1999, the company is comprised of 21 team members.
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The Pittsburgh Zoo & PPG AquariumIndustries
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13$10,000+10 - 49 employeesAmbler, PAHeadquartered in Houston, Texas and Ambler, Pennsylvania, Octaria Software Development is a custom software development firm. The small team provides Custom Software Development, Artificial Intelligence, cloud consulting & SI, ERP consulting and SI, and more. The company was launched in 2018.Read More
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Lokum: Techstars Healthcare Tech StartupIndustries
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14$10,000+10 - 49 employeesErie, PARead More
Epic Web Studios, a web design company, was launched in 2009. The agency offers web design, digital strategy, and search engine optimization and has a small team. The agency is located in Erie, Pennsylvania.
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15$25,000+50 - 249 employeesFurlong, PAAthenaworks is an IT managed services company. Founded in 2014, the firm is based in Furlong, Pennsylvania. The midsize team offers IT managed services, IT staff augmentation, Custom Software Development, Web Development, and more.Read More
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16$10,000+10 - 49 employeesPittsburgh, PANextLink Labs is a DevOps Managed Services company. Established in 2018, the team offers DevOps Managed Services, Custom Software Development, Cybersecurity, IT strategy consulting, and more. Their small agency is Pittsburgh, Pennsylvania-based.Read More
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17$50,000+10 - 49 employeesPittsburgh, PADream Foundry Games is a mobile application development firm launched in 2021. Located in Pittsburgh, Pennsylvania, their small team specializes in Mobile App Development, UX/UI Design, Custom Software Development, and AR/VR development.Read More
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18$10,000+2 - 9 employeesPittsburgh, PAFounded in 2014, Roket is an user experience agency. Their small team is located in Pittsburgh, Pennsylvania and focuses on UX/UI Design, Custom Software Development, Web Design, Staffing, and more.Read More
Clients
360fly Google Fitbit PJ DickIndustries
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19$10,000+10 - 49 employeesErie, PARead More
Werkbot Studios is a full-service creative agency based in Erie, Pa. Since 2004, the 13-person team has offered web development, UX/UI design, and PPC services to their clients.
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20$10,000+10 - 49 employeesPhiladelphia, PARead More
Zivtech is a full-service digital agency with 25 experts on its team. Located in Philadelphia, PA, the agency offers a range of services, including web and app development, UI/UX design, and digital strategy.
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AcquiaIndustries
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21$1,000+50 - 249 employeesPhiladelphia, PAWebashlar Software Solution Pvt. Ltd. Is a midsize Surat, India-based website development company. They provide Web Development, Custom Software Development, Mobile App Development, IT staff augmentation, and more and were launched in 2009.Read More
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22$25,000+2 - 9 employeesEast York, PARead More
Eco York LLC is a web and mobile app agency based in York, Pa. with no more than 10 experts. Founded in 2009, they specialize in web development, custom software development, and social media marketing solutions for small and mid-market firms.
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Harmonic Balance ChiropracticIndustries
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23$1,000+10 - 49 employeesPhiladelphia, PARead More
Flexible Sites is a software company based in Philadelphia and founded in 2020. Their team of no more than 50 offers custom software development, web design, and web development solutions for small businesses.
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PeaceJam OrganizaitionIndustries
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24$10,000+10 - 49 employeesPhiladelphia, PAIntuitSolutions is a web design company. The Philadelphia, Pennsylvania-based agency was established in 2001. The small team specializes in Web Design, Web Development, Search Engine Optimization, and Custom Software Development.Read More
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25$1,000+2 - 9 employeesPhiladelphia, PARead More
LMSNinjas is a web agency founded in Philadelphia in 2015 with no more than ten employees. They are experts in web design, UX/UI design, and custom software development solutions.
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Onomy.coIndustries
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26$50,000+10 - 49 employeesPhiladelphia, PARead More
PromptWorks is a development firm with offices in Philadelphia, PA, Austin, TX, and New York, NY. The agency and its team of around 30 specialize in mobile app, custom software, and IoT development.
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ComcastIndustries
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27$5,000+10 - 49 employeesPhiladelphia, PARead More
Founded in 2015, WooNinjas is a development company. Their team of around 8 employees is based in Philadelphia. They focus on web, custom software, and CRM development.
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Event Leadership InstituteIndustries
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28$10,000+50 - 249 employeesPhiladelphia, PARead More
Arcweb Technologies is a software development firm. Their midsize team is in Philadelphia, Pennsylvania. Their team offers custom software development, digital strategy, graphic design, and mobile app development.
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29$10,000+10 - 49 employeesLancaster, PARead More
Founded in 2010, Industrial Resolution is a development company based in Lancaster, Penn. They work with small and midmarket businesses from various industries including manufacturing, healthcare, real estate, nonprofit, and transportation.
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Dutch Valley FoodsIndustries
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30Undisclosed10 - 49 employeesNorvelt, PARead More
McKula Inc. Is a small web design company headquartered in Norvelt, Pennsylvania. Founded in 2003, the team focuses on web design, custom software development, mobile app development, and other application development.
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