Top 100 Application Modernization Companies in the United States
The Best of December 2025Looking for a top legacy modernization service in the United States?
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 United States. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United States Enterprise Application Modernization Services
-
1$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.
Clients
ADP Vanguard Comcast Johnson & JohnsonIndustries
-
2$100,000+50 - 249 employeesSouthborough, MAAndPlus, An Ensono Company, an Enterprise App Modernization company, was established in 2009. The firm specializes in Enterprise App Modernization, Web Development, and Custom Software Development and has a midsize team. The firm is based in Southborough, Massachusetts and Livingston, New Jersey.Read More
Clients
BloombergIndustries
-
3$50,000+250 - 999 employeesPalo Alto, CARead More
Turing is a small IT staff augmentation company. Established in 2018, the agency is in Palo Alto, California. Their services include IT staff augmentation.
Industries
-
4$10,000+50 - 249 employeesPortland, OREnterprise App Modernization company Darwoft was established in 2010. Their midsize team is based in Portland, Oregon; Córdoba, Argentina and Atlanta, Georgia and offers Enterprise App Modernization, IT staff augmentation, Mobile App Development, Product Design, and more.Read More
Clients
Hometown HAVAS Sorcero LeonisaIndustries
-
5$10,000+50 - 249 employeesLakewood, COValor Software is a Lakewood, Colorado-based web design company. The midsize company was established in 2013. Their services include Web Design, UX/UI Design, IT strategy consulting, IT staff augmentation, and more.Read More
Clients
BreetheIndustries
-
6Undisclosed250 - 999 employeesAustin, TXRead More
Based in San Francisco, California, Gigster is a software development company. Established in 2014, the small team provides custom software development, web development, Artificial Intelligence, and other application development.
Clients
Google Microsoft Pepsico IBMIndustries
-
7$50,000+250 - 999 employeesHudson, OHTaazaa Inc., a software development firm, was launched in 2007. They are in Hudson, Ohio and Noida, India and have a midsize team. Their services include Custom Software Development, Mobile App Development, UX/UI Design, Web Development, and more.Read More
Clients
PulseBoxIndustries
-
8$25,000+10 - 49 employeesAtlanta, GARead More
Software development company Bellwood was established in 2019. Their small team is headquartered in Atlanta, Georgia; Farmington, New York; Gold River, California and Orlando, Florida. Their services include Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.
Clients
WarnerMediaIndustries
-
9$100,000+250 - 999 employeesLos Angeles, CAIn Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California, TheoremOne is a midsize software development company. They focus on Custom Software Development, IT strategy consulting, Business Consulting, IoT development, and more and were founded in 2007.Read More
Clients
AT&TIndustries
-
10$25,000+250 - 999 employeesReston, VARead More
Modus Create is a consulting firm based in Reston, Va. that helps predominately enterprises and mid-market businesses transform for success in the digital future. Founded in 2011, they currently have about 164 employees located in Cluj-Napoca, Romania, Santa Ana, Costa Rica, and Los Angeles who provide time zone-aligned services to their clients. In addition to custom software and web development, they affect change through a collaborative engagement model that focuses on strategy, product design and build, UX, company culture, and process change.
Clients
AudiIndustries
-
11$50,000+50 - 249 employeesScottsdale, AZCustom software development firm Sonatafy Technology was founded in 2020. Their midsize team is located in Scottsdale, Arizona; Las Vegas, Nevada and Tijuana, Mexico. Their services include Custom Software Development, Mobile App Development, Enterprise App Modernization, IT strategy consulting, and more.Read More
Clients
TaylorMade Golf, Caterpillar, MobiTV, IBM, Cisco, Fox, AKIDO, CoachLogix, Semantic Research, Buzztime, CalsenseIndustries
-
12$25,000+10 - 49 employeesIrvine, CABaytech Consulting is a custom software development company based in Irvine, California. They focus on Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more and were launched in 2007.Read More
Clients
Petra Medical CollegeIndustries
-
13$50,000+10 - 49 employeesCosta Mesa, CATepia is a Costa Mesa, California-based mobile application development firm. The small agency was founded in 2012. Their services include Mobile App Development, IoT development, Custom Software Development, Web Development, and more.Read More
Industries
-
14$5,000+250 - 999 employeesNew York, NYRead More
Clarion Technologies is headquartered in Pune, India. The team has satellite offices stateside in New York as well as in Ahmedabad and Bangalore, India. Founded in 2000, Clarion's team of 500+ employees offers custom software development, web development, CRM consulting & SI, and cloud consulting services. Their client base primarily features small and midmarket businesses.
Clients
KPODJIndustries
-
15$25,000+10 - 49 employeesNew York, NYRead More
Consultadd is a software development company. They are headquartered in New York, New York; Pune, India and Irving, Texas and have a midsize team. The company focuses on custom software development, IoT development, mobile app development, wearable app development, and more.
Clients
MizaruIndustries
-
16$25,000+50 - 249 employeesAustin, TXRead More
Mutual Mobile is a development and digital products company headquartered in Austin, Texas with a satellite office in Hyderabad, India. Founded in 2009, the company has over 170 employees across locations. Mutual Mobile offers mobile app, AR/VR, IoT, and web development, as well as UX/UI and product design.
Clients
Under ArmourIndustries
-
17$1,000+10 - 49 employeesDenver, COPell Software is a software development firm. The Denver, Colorado-based company was launched in 2019. The small team offers Custom Software Development, Enterprise App Modernization, API Development, and Web Design.Read More
Clients
Aegion / Underground SolutionsIndustries
-
18$50,000+10 - 49 employeesBaton Rouge, LARead More
Novateus is a custom software development firm based in Baton Rouge, Louisiana; New Orleans, Louisiana and Peachtree Corners, Georgia. They provide Custom Software Development, Mobile App Development, UX/UI Design, Artificial Intelligence, and more and were launched in 2017.
Clients
PropDispatch Falaya Marex ServicesIndustries
-
19$25,000+50 - 249 employeesCollege Station, TXCustom software development company Frogslayer is based in College Station, Texas. The midsize firm was launched in 2005. Their team offers Custom Software Development, Mobile App Development, Application Management & Support, Enterprise App Modernization, and more.Read More
Industries
-
20$25,000+50 - 249 employeesDallas, TXApplication development company AppVerticals was established in 2016. Based in Dallas, Texas; Los Angeles, California; Dubai, United Arab Emirates and Houston, Texas, their midsize team offers Mobile App Development, Custom Software Development, Artificial Intelligence, and Enterprise App Modernization.Read More
Industries
-
21$10,000+10 - 49 employeesProvidence, RIRead More
Blackburn Labs is a custom software development company based in Providence, Rhode Island and Boston, Massachusetts. The small agency was founded in 2015. Their team offers Custom Software Development, BI & big data consulting & SI, Mobile App Development, Enterprise App Modernization, and more.
Clients
Brigham and Women's HospitalIndustries
-
22$50,000+10 - 49 employeesScottsdale, AZRead More
AKOS is a small custom software development firm. Founded in 2015, the agency is in Scottsdale, Arizona. Their team specializes in custom software development, ux/ui design, web development, and digital strategy.
Clients
ClubReadyIndustries
-
23Undisclosed10 - 49 employeesDraper, UTRead More
Mystic Media is a mobile app and software development agency based in Murray, Utah. The agency, founded in 2001, has more than 50 employees and provides mobile app development, custom software development, and web development services to small and larger-sized companies and institutions in various industries that include business services, gaming, and health care & medical.
Clients
Tata ChemicalsIndustries
-
24$10,000+10,000+ employeesBellevue, WABeyondsoft Consulting Inc., an IT strategy consulting company, is located in Bellevue, Washington. They provide IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, Custom Software Development, and more and were founded in 1995.Read More
Clients
HPIndustries
-
25$75,000+10 - 49 employeesDenver, COUX design company Crafted was established in 2017. They are based in Denver, Colorado and have a small team. Their services include UX/UI Design, Product Design, Custom Software Development, Mobile App Development, and more.Read More
Industries
-
26$25,000+10 - 49 employeesPalm Beach Gardens, FLSoftware development firm Iron Forge Development was established in 2016. In Palm Beach Gardens, Florida and Whitewater, Wisconsin, their small team offers Custom Software Development, UX/UI Design, IT strategy consulting, ERP consulting and SI, and more.Read More
Industries
-
27$10,000+50 - 249 employeesOxon Hill, MDCloud consulting & SI company Cloudforce was founded in 2010. Their midsize team is headquartered in Oxon Hill, Maryland and specializes in cloud consulting & SI, Generative AI, IT strategy consulting, BI & big data consulting & SI, and more.Read More
Clients
HITT ContractingIndustries
-
28$50,000+50 - 249 employeesPittsburgh, PATruefit is a midsize website development firm founded in 1997. Their services include Web Development, Mobile App Development, Enterprise App Modernization, and IoT development. The firm is located in Pittsburgh, Pennsylvania; Houston, Texas and Scottsdale, Arizona.Read More
Clients
McDonald's Bare Performance Nutrition Char-BroilIndustries
-
29$10,000+50 - 249 employeesFairfield, CTMidsize software development company ObjectStyle, is located in Fairfield, Connecticut; Fairfield, Connecticut and Warszawa, Poland. They specialize in Custom Software Development, Enterprise App Modernization, Microservices Architecture Services, Sports Marketing, and more and were founded in 2002.Read More
Clients
NHLIndustries
-
30$50,000+10 - 49 employeesOrlando, FLRead More
Concepta is an Orlando-based enterprise software development agency, founded in 2006. The team has about 50 members, who serve clients in the healthcare, hospitality, construction, business services sectors and a has a portfolio of Fortune 100, 500, and Franchise 500 companies. Services include tailored tech solutions, mobile app development, web development, BI, data intelligence, and IT staff augmentation.
Clients
AdventHealthIndustries
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed App Modernization Service in United States
Check out an App Modernization Service in United States with the most new reviews in the past 12 months.
App Modernization Service
United States
- 11 4 new reviews
- 12 4 new reviews
- 13 4 new reviews
- 14 4 new reviews
- 15 4 new reviews
