Top 50 Application Modernization Companies in Los Angeles
The Best of December 2025Looking for a top legacy modernization service in Los Angeles?
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 Los Angeles. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Los Angeles Enterprise Application Modernization Services
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1$25,000+1,000 - 9,999 employeesLos Angeles, CASimform is a cloud consulting & SI company. They are headquartered in Orlando, Florida; Los Angeles, California; Chicago, Illinois and San Francisco, California and have a large team that specializes in cloud consulting & SI, Custom Software Development, Mobile App Development, Artificial Intelligence, and more. The agency was established in 2010.Read More
Clients
RedbullIndustries
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2$50,000+1,000 - 9,999 employeesL'viv, UkraineRead More
Headquartered in L'viv, Ukraine; New York, New York; Saratoga, California and Bellevue, Washington, Sigma Software Group is a software development company. The large agency was established in 2002. Their services include Custom Software Development, Web Development, Mobile App Development, BI & big data consulting & SI, and more.
Clients
VolvoIndustries
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3$100,000+250 - 999 employeesSanta Monica, 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
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4$5,000+50 - 249 employeesPasadena, CAEstablished in 1991, Art+Logic is a software development firm. The agency specializes in Custom Software Development, UX/UI Design, Web Development, Mobile App Development, and more and has a midsize team.Read More
Clients
Yamaha Kroger Trader Joes NASAIndustries
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5$25,000+50 - 249 employeesLos Angeles, CAUser experience design agency ISBX Corp was launched in 2009. They are located in Los Angeles, California and have a midsize team. ISBX Corp focuses on UX/UI Design, Custom Software Development, Web Development, Mobile App Development, and more.Read More
Clients
Science37 BrainCorp Red Bull - Multiple Projects Apple/BeatsIndustries
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6$10,000+50 - 249 employeesLos Angeles, CARead More
DevTeam.Space is a development agency that was founded in 2015 and is based in Los Angeles. Their team of 8 specialize in web development and mobile app development for small businesses; these clients primarily reside in the advertising, business services, and consumer product industries.
Clients
AirbusIndustries
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7$10,000+10 - 49 employeesWestminster, CASoftware development firm MLTech Soft was launched in 2020. Their small team is located in Ho Chi Minh City, Vietnam; Singapore, Singapore and Westminster, California and focuses on Custom Software Development, IT managed services, Artificial Intelligence, Enterprise App Modernization, and more.Read More
Clients
PSA Marine Private Limited Unilever Vietnam International Company Limited Lof International Dairy Products Joint Stock Company Yen Viet Joint Stock CompanyIndustries
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8$10,000+250 - 999 employeesBeverly Hills, CARead More
Founded in 1998, IndiaNIC is a mobile app and web development industry veteran. Since its founding, IndiaNIC has expanded to two offices in Ahmedabad, India and Sunnyvale, CA. The team of over 400 employees handles projects in mobile and web development, IoT solutions, wearable technology, and mobile gaming.
Clients
Gulfstream Aerospace CorporationIndustries
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9$10,000+10 - 49 employeesLos Angeles, CARead More
Founded in 2005, Invemo is a tech company headquartered in Santa Monica with another location in IST, Turkey. Their team of 4 provide mobile app development, UX/UI design, IT strategy, and app modernization services to clients.
Clients
Invemo created innovative solutions for Philips -
10$1,000+2 - 9 employeesLos Angeles, CARead More
Themis Web Technologies is a software development company based in Los Angeles, California. Founded in 2007, they are a sole proprietorship that provides web development, e-commerce development, custom software development, and enterprise app modernization.
Clients
Incited MediaIndustries
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11$10,000+2 - 9 employeesLos Angeles, CARead More
InfiniOne is a software development agency that has been offering mobile app development, custom software development, and web development services to their clients in the financial services, business services, and e-commerce industries since 2012. Their team of 10 employees are based out of their offices in Los Angeles, Beverly Hills, Calif., and Liberty, Pakistan.
Clients
SkinnygirlIndustries
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12$5,000+10 - 49 employeesLos Angeles, CAPircle is a software development firm. They are in Los Angeles, California and have a small team that focuses on Custom Software Development, Web Development, Mobile App Development, and Enterprise App Modernization. The firm was founded in 2012.Read More
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13$10,000+2 - 9 employeesBurbank, CARead More
Worklab.io, Inc. is a software agency founded in 2011 with no more than 10 members. They offer custom software, web, and mobile app development solutions from their office in Burbank, Calif. They work with small and mid-market firms in the field of business services.
Clients
All State AssociationIndustries
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14Undisclosed250 - 999 employeesLos Angeles, CARead More
ES99 is a branding company launched in 1999. They are in Chicago, Illinois and have a midsize team. Their services include branding, advertising, direct marketing, market research, and more.
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15Undisclosed2 - 9 employeesCovina, CASavvy Stack, Inc. Is a website development company. They provide Web Development and Custom Software Development and are based in Covina, California.Read More
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16$50,000+10 - 49 employeesLos Angeles, CAFounded in 2018, Cadenza is an Enterprise App Modernization company. Their team specializes in Enterprise App Modernization and Mobile App Development.Read More
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17$250,000+250 - 999 employeesLos Angeles, CAAAXIS Digital is an e-commerce development company. Headquartered in Los Angeles, California, the firm was founded in 2001. Their services include E-Commerce Development and DevOps Managed Services.Read More
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18Undisclosed10 - 49 employeesTorrance, CABayen Group LLC is an Enterprise App Modernization company founded in 2016. The firm provides Enterprise App Modernization, and is small.Read More
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19Undisclosed10 - 49 employeesLos Angeles, CAXano, Inc. Is a Los Angeles, California-based website development firm. Their services include Web Development and Custom Software Development.Read More
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20$50,000+10 - 49 employeesRolling Hills Estates, CAVCloud Tech is a Rolling Hills Estates, California-based enterprise app modernization company. The small company was launched in 2013. Their team provides enterprise app modernization, cloud consulting & SI, IT managed services, cybersecurity, and more.Read More
Industries
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21$25,000+2 - 9 employeesCalabasas, CALaunched in 2015, i6 technology is a software development firm. The company focuses on Custom Software Development and Web Development.Read More
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22$10,000+2 - 9 employeesLong Beach, CACoremaitri Software, a small software development firm, is located in Long Beach, California and New Delhi, India. Their services include Custom Software Development and ERP consulting and SI.Read More
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23$1,000+10 - 49 employeesPasadena, CATechnology Spree is a Business Consulting company. The team focuses on Business Consulting and Custom Software Development, and the agency is located in Kolkata, India and Pasadena, California.Read More
Industries
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24Undisclosed10 - 49 employeesLong Beach, CACloud Advisory LLC is an application development company founded in 2011. The small team offers Mobile App Development and Web Development.Read More
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25$50,000+10 - 49 employeesIrvine, CARead More
Company A is a custom application development company based in Irvine, Calif., with offices in Plano, Texas, and Novi Sad, Serbia. The company, founded in 2015, has a team of more than ten that provides cloud consulting & SI, custom software development, web development, mobile app development, and enterprise app modernization services. Company A serves small and larger-sized companies in various industries, including IT, financial services, and health care & medical.
Industries
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26$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
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27$25,000+50 - 249 employeesCosta Mesa, CARead More
Squash Apps is a software development company founded in 2015 and headquartered in Coimbatore, India. It has a team of about 20. Squash Apps works on mobile app development, custom software development, web development, and more for small businesses.
Clients
DoodlioIndustries
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28$50,000+1,000 - 9,999 employeesIrvine, CAIn Irvine, California; Roseville, California; Boise, Idaho and Denver, Colorado, Synoptek, LLC. Is an IT managed services company. The large team specializes in IT managed services, Enterprise App Modernization, cloud consulting & SI, and IT strategy consulting and was established in 2001.Read More
Clients
Champion Home ExteriorsIndustries
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29$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
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30Undisclosed250 - 999 employeesIrvine, CALaunched in 2018, ThinkAiCorp, a midsize big data analytics company, is in Irvine, California. Their team specializes in BI & big data consulting & SI and Mobile App Development.Read More
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