Top 20 Application Modernization Companies in Seattle
The Best of June 2025Looking for a top legacy modernization service in Seattle?
Application modernization companies can help create new business value from existing applications. Finding the right company to partner with, however, can be an overwhelming process.
To assist you in your search for a partner, we’ve compiled this list of the top application modernization services in Seattle. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Seattle Enterprise Application Modernization Services
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1$10,000+10,000+ employeesBellevue, WARead More
Beyondsoft Consulting is a business IT and consulting company based in Bellevue, Wash., with offices in Torrance, Calif.; Singapore; Beijing; Noida, India; and Kyiv, Ukraine. The company, founded in 1995, has more than 10,000 employees and provides BI & big data consulting & SI, cloud consulting & SI, IT strategy consulting, custom software development, and enterprise app modernization services. Beyondsoft Consulting serves enterprise and mid-market companies in various industries that include IT, automotive, and financial services.
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HPIndustries
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2$50,000+250 - 999 employeesSeattle, WAJelvix, a custom software development company, was launched in 2011. Their midsize team is located in Tallinn, Estonia; Kharkiv, Ukraine; Stuttgart, Germany and London, England and offers Custom Software Development, Enterprise App Modernization, Mobile App Development, and Artificial Intelligence.Read More
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Tiber Capital GroupIndustries
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3$100,000+250 - 999 employeesSeattle, WARead More
Founded in 2007, Theorem is a software development firm. The midsize team specializes in custom software development, ux/ui design, IoT development, IT strategy consulting, and more. The company is based in Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California.
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AT&TIndustries
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4$25,000+50 - 249 employeesSeattle, WABlink UX is a midsize Digital Strategy company launched in 2000. Their team focuses on Digital Strategy, Product Design, Market Research, Enterprise App Modernization, and more. The agency is based in Seattle, Washington; Cambridge, Massachusetts; San Diego, California and San Francisco, California.Read More
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AmazonIndustries
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5Undisclosed2 - 9 employeesSeattle, WARead More
Freelock LLC is a Seattle-based internet and web design firm that was founded in 2002. Freelock LLC's team of 5 employees works mainly with small- and mid-market sized clients but has experience working with large corporations as well. The firm specializes in web and UI/UX design along with e-commerce development.
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6$10,000+50 - 249 employeesBellevue, WARead More
Virtuosity Consulting, a custom software development firm, was launched in 2008. They are located in Bellevue, Washington and Navi Mumbai, India and have a midsize team. Their services include custom software development, IT managed services, enterprise app modernization, web development, and more.
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7$50,000+250 - 999 employeesSeattle, WARead More
Gaper is a software company founded in San Francisco in 2018. With over 250 professionals, they provide IT staff augmentation, custom software development, and AI solutions to clients ranging from small companies to large businesses.
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MaderaIndustries
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8$1,000+10 - 49 employeesNewcastle, WAHyperBeans is a web development firm headquartered in Newcastle, Washington. The agency offers Web Development, Mobile App Development, Custom Software Development, Enterprise App Modernization, and more and has a small team.The agency was launched in 2011.Read More
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9Undisclosed50 - 249 employeesSeattle, WANTSprint LLC is a software development company. They are located in Seattle, Washington and have midsize team of experts. Their services include Custom Software Development and Web Development.Read More
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10$10,000+10 - 49 employeesSeattle, WAAmberteq is a small Enterprise App Modernization company. Founded in 2018, the team offers Enterprise App Modernization and cloud consulting & SI.Read More
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11$10,000+10 - 49 employeesSeattle, WAPalador is a small custom software development firm headquartered in Seattle, Washington and Yogyakarta, Indonesia. Their services include Custom Software Development and Enterprise App Modernization.Read More
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12$5,000+50 - 249 employeesRedmond, WALocated in Redmond, Washington and Noida, India, UnifyCloud LLC is an Enterprise App Modernization company. The team offers Enterprise App Modernization and IT strategy consulting.Read More
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13$5,000+50 - 249 employeesRedmond, WAIT strategy consulting company ABCloudz is in Redmond, Washington. They focus on IT strategy consulting and cloud consulting & SI and were launched in 2021.Read More
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14$1,000+2 - 9 employeesSeattle, WAZaifworks LLC is an Enterprise App Modernization and IT managed services company established in 2004. The team offers Enterprise App Modernization and IT managed services.Read More
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15Undisclosed10 - 49 employeesSeattle, WAPivotal Consulting, a cloud consulting & SI company, is based in Seattle, Washington. The team offers cloud consulting & SI and Enterprise App Modernization.Read More
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16$1,000+10 - 49 employeesRedmond, WAWebtual Global Inc., a custom software development company, was founded in 2019. The company offers Custom Software Development and Enterprise App Modernization.Read More
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17$50,000+50 - 249 employeesWoodinville, WAEstablished in 1996, Redapt is a cloud consulting & SI company. The agency focuses on cloud consulting & SI and BI & big data consulting & SI, and is midsize.Read More
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18$10,000+2 - 9 employeesBellevue, WATechufy Inc is a Bellevue, Washington-based Product Design company. They provide Product Design and Custom Software Development.Read More
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19$5,000+2 - 9 employeesSeattle, WAV37 is a custom software development company located in Seattle, Washington. Launched in 2022, the team specializes in Custom Software Development and Web Development.Read More
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20$25,000+50 - 249 employeesBellevue, WAProvoke Solutions, a software development firm, offers Custom Software Development and Enterprise App Modernization. The firm is in Bellevue, Washington and Wellington, New Zealand.Read More
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21Undisclosed10 - 49 employeesSeattle, WACloud consulting & SI company Marici Technology Solutions provides cloud consulting & SI and ECM consulting and SI. They are headquartered in Seattle, Washington.Read More
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22Undisclosed10 - 49 employeesSeattle, WASolutions Architect Group INC, a Corporate Training & Coaching company, was founded in 2014. The team provides Corporate Training & Coaching and Enterprise App Modernization.Read More
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