Top 30 Software Development Companies in Washington DC
The Best of December 2025Looking for a top software development company in Washington DC?
Effective software development is key to keeping businesses innovating. Software development companies can deliver this essential asset.
To assist you in your search for a partner, we created a list of top software development companies in DC. Browse descriptions, feedback, and awards to find your match. If you want personalized recommendations, tell us about your project.
List of the Best Washington DC Software Development Firms
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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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61$50,000+2 - 9 employeesWashington, DCRead More
Custom software development firm SHIP IT Inc. Is headquartered in Washington, District of Columbia. They provide custom software development, mobile app development, ux/ui design, and IoT development and were launched in 2022.
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62$50,000+10 - 49 employeesWashington, DCRead More
Launched in 2012, [e-spres-oh] is a custom software development company. They are located in Timișoara, Romania and Washington, District of Columbia and have a small team. Their services include custom software development, web development, mobile app development, and enterprise app modernization.
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63$1,000+50 - 249 employeesSterling, VARead More
Based in Sterling, Virginia, Infomatics Corp is a data analytics company. The midsize company was established in 2005. Their team focuses on BI & big data consulting & SI, cloud consulting & SI, IT managed services, custom software development, and more.
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AnthemIndustries
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64Undisclosed10 - 49 employeesAlexandria, VAFounded in 1999, eResources is a Digital Strategy company. Their services include Digital Strategy and Custom Software Development.Read More
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65$5,000+2 - 9 employeesWashington, DCApp development company K9 Devs is in Washington, District of Columbia. The small firm was launched in 2014. Their team focuses on Mobile App Development, Custom Software Development, and IT strategy consulting.Read More
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66Undisclosed2 - 9 employeesWashington, DCRead More
Based in Washington, District of Columbia, dupontstudios is a small video production company. The team specializes in video production and custom software development.
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67$10,000+10 - 49 employeesArlington, VACloud consulting & SI company Flat Rock Solutions is based in Cape Town, South Africa and Arlington, Virginia. They provide cloud consulting & SI and Custom Software Development.Read More
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PepkorIndustries
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68$100,000+50 - 249 employeesWashington, DCIdeaCrew is a Washington, District of Columbia-based website development firm. Founded in 2002, the team offers Web Development and Custom Software Development.Read More
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69$5,000+50 - 249 employeesSilver Spring, MDOSP Labs is an IT staff augmentation company. Located in Los Angeles, California and Arlington, Texas, the firm specializes in IT staff augmentation and Custom Software Development.Read More
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70$1,000+10 - 49 employeesFalls Church, VACybersecurity company SecurifyAI specializes in Cybersecurity and Custom Software Development. They are headquartered in Falls Church, Virginia.Read More
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71$1,000+2 - 9 employeesHillcrest Heights, MDHeadquartered in Dhaka, Bangladesh and Hillcrest Heights, Maryland, Byteliberty is a software development firm. Their services include Custom Software Development and Web Development.Read More
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72$10,000+10 - 49 employeesLaurel, MDRead More
Pumex Computing, LLC is a CRM consulting and SI company based in Laurel, Maryland and Land O' Lakes, Florida. The small team provides CRM consulting and SI, custom software development, IT managed services, and cybersecurity. The firm was established in 2015.
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73Undisclosed2 - 9 employeesAlexandria, VAHeadquartered in Alexandria, Virginia, Cavendo is a SEO services firm. Established in 2000, the team offers Search Engine Optimization and Custom Software Development.Read More
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74$10,000+50 - 249 employeesAnnapolis Junction, MDRead More
Interclypse is a software development company established in 2007. They are headquartered in Annapolis Junction, Maryland and have a midsize team. The agency specializes in custom software development, enterprise app modernization, web development, other application development, and more.
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Department of DefenseIndustries
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75Undisclosed50 - 249 employeesMcLean, VASoftech Systems Pvt. LTD is a SEO agency. The team provides Search Engine Optimization and cloud consulting & SI, and the firm is headquartered in London, England and McLean, Virginia.Read More
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76$10,000+10 - 49 employeesColumbia, MDRead More
Www.tsoftek.com, a mobile application development firm, was founded in 2020. The firm provides mobile app development, custom software development, enterprise app modernization, other application development, and more and has a small team. The firm is based in Columbia, Maryland.
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77$5,000+10 - 49 employeesTysons, VAGalactica Labs is an IT strategy consulting company established in 2018. Their services include IT strategy consulting and IT staff augmentation.Read More
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78$50,000+250 - 999 employeesHerndon, VARead More
Vizuri is a development and computer software company based in Herndon, Va. They were founded in 1986 and have a team of around 250 employees. Their services include custom software development, IT staff augmentation, and IT strategy consulting.
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AetnaIndustries
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79$10,000+10 - 49 employeesSilver Spring, MDAdware Technologies Pvt. Ltd. Is a website development company. The team focuses on Web Development and Custom Software Development, and the agency is in Ghaziabad, India and Silver Spring, Maryland.Read More
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80$1,000+2 - 9 employeesArlington, VADevLifter is a small Arlington, Virginia-based web development company. Their services include Web Development and Custom Software Development.Read More
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81$10,000+10 - 49 employeesWashington, DCFounded in 2016, Threde LLC is an app development firm. Their small team is headquartered in Washington, District of Columbia and Washington, District of Columbia. Their services include Mobile App Development, Custom Software Development, Web Development, Wearable App Development, and more.Read More
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82$10,000+2 - 9 employeesWashington, DCCSZNet is an IT managed services company. They are based in Washington, District of Columbia and have small team. They focus on IT managed services and IT staff augmentation.Read More
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83$10,000+2 - 9 employeesWashington, DCCustom software development company KOALINGO was founded in 2019. Located in Washington, District of Columbia, the team specializes in Custom Software Development and cloud consulting & SI.Read More
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84Undisclosed50 - 249 employeesVienna, VAMicroHealth is a midsize IT managed services company. They focus on IT managed services and Application Testing and were founded in 2011.Read More
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85$10,000+10 - 49 employeesWashington, DCUTF Labs, a software development firm, is based in Washington, District of Columbia. Launched in 2017, the team offers Custom Software Development and Web Development.Read More
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86$5,000+50 - 249 employeesMcLean, VAJanBask IT Consulting Services, an AI Consulting company, was established in 2010. They focuses on AI Consulting and Artificial Intelligence.Read More
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87$10,000+10 - 49 employeesEllicott City, MDRead More
Unleashed Technologies is a full service digital agency founded in 2007 and located in Columbia, MD. The agency has around 40 employees who are experts in web development, mobile app development, and web design.
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Supernus PharmaceuticalsIndustries
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88$5,000+50 - 249 employeesSterling, VARead More
Founded in 2001, InfiCare has nearly two decades experience in mobile design and development. With a team of almost 200 employees spread across offices in New Delhi, India and Washington, DC, InfiCare offers mobile and web design and development, SEO services, quality assurance testing, and more.
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HPIndustries
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89$5,000+50 - 249 employeesAlexandria, VABreeze End Technology, LLC is a midsize Alexandria, Virginia-based social media marketing firm. Their services include Social Media Marketing and Content Marketing.Read More
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90$25,000+10 - 49 employeesMcLean, VAFounded in 2003, Aptaria, a small CRM consulting and SI company, is based in McLean, Virginia. Their services include CRM consulting and SI and Custom Software Development.Read More
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