Top 50 Application Modernization Companies in Los Angeles

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Top 50 Application Modernization Companies in Los Angeles

The Best of June 2025

Looking 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. 

List of the Best Los Angeles Enterprise Application Modernization Services

  • 1
    (73 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.7

    Would Recommend

    4.8
    $25,000+
    1,000 - 9,999 employees
    Los Angeles, CA
    Simform is a large custom software development firm. They offer Custom Software Development, Artificial Intelligence, cloud consulting & SI, Enterprise App Modernization, and more and were established in 2010. The company is based in Orlando, Florida; Los Angeles, California; Chicago, Illinois and San Francisco, California.
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    Clients

    Redbull

    Industries

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  • 2
    (9 Reviews) 4.7

    Timeliness

    4.4

    Service Excellence

    4.8

    Value

    4.3

    Would Recommend

    4.7
    $10,000+
    10,000+ employees
    Torrance, CA

    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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    Clients

    HP

    Industries

  • 3
    (37 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.7

    Value

    4.3

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    West Hollywood, CA
    Sigma Software Group is a L'viv, Ukraine-based software development firm. The large firm was established in 2002. Their team specializes in Custom Software Development, Mobile App Development, Web Development, BI & big data consulting & SI, and more.
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    Clients

    Volvo

    Industries

  • 4
    (35 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.8
    $50,000+
    250 - 999 employees
    Los Angeles, CA
    Jelvix, 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.
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    Clients

    Tiber Capital Group

    Industries

  • 5
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $100,000+
    250 - 999 employees
    Los Angeles, CA

    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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    Clients

    AT&T

    Industries

  • 6
    (41 Reviews) 4.9

    Timeliness

    4.7

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Los Angeles, CA

    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. 

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    Clients

    Airbus

    Industries

  • 7
    (14 Reviews) 4.8

    Timeliness

    4.5

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.8
    $5,000+
    50 - 249 employees
    Pasadena, CA
    Established 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.
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    Clients

    Yamaha Kroger Trader Joes NASA

    Industries

  • 8
    (13 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Los Angeles, CA
    User 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.
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    Clients

    Science37 BrainCorp Red Bull - Multiple Projects Apple/Beats

    Industries

  • 9
    (47 Reviews) 4.5

    Timeliness

    4.4

    Service Excellence

    4.5

    Value

    4.4

    Would Recommend

    4.6
    $10,000+
    250 - 999 employees
    Beverly Hills, CA

    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.

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    Clients

    Gulfstream Aerospace Corporation

    Industries

  • 10
    (11 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Los Angeles, CA

    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.

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    Clients

    Incited Media

    Industries

  • 11
    (3 Reviews) 5.0

    Timeliness

    4.7

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    El Segundo, CA
    Devsarch LLC, a data analytics company, is located in Dover, Delaware; Riyadh, Saudi Arabia; Dubai, United Arab Emirates and Lahore, Pakistan. The agency focuses on BI & big data consulting & SI, cloud consulting & SI, IT managed services, digital engineering, and more and has a small team.The agency was established in 2020.
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    Clients

    Buzzen Digital Stanford University KU Leuven Lucky Motors

    Industries

  • 12
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Los Angeles, CA
    Pircle 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.
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  • 13
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    2 - 9 employees
    Los Angeles, CA

    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.

     

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    Clients

    Skinnygirl

    Industries

  • 14
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    2 - 9 employees
    Burbank, CA

    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.

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    Clients

    All State Association

    Industries

  • 15
    (2 Reviews) 4.8

    Timeliness

    4.3

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    4.8
    $10,000+
    10 - 49 employees
    Burbank, CA

    Margasoft Corp. is a software company based in Burbank, Calif. that was founded in 2005. They have about 30 employees that specialize in web development, IT services, custom software development, and strategic consulting. Its clients are mostly midmarket businesses.  

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    Clients

    Johnson & Johnson

    Industries

  • 16
    (1 Reviews) 3.0

    Timeliness

    5.0

    Service Excellence

    4.0

    Value

    3.0

    Would Recommend

    1.0
    Undisclosed
    250 - 999 employees
    Los Angeles, CA

    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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    Industries

  • 17
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Torrance, CA
    Bayen Group LLC is an Enterprise App Modernization company founded in 2016. The firm provides Enterprise App Modernization, and is small.
    Read More
  • 18
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Santa Monica, CA

    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.

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    Clients

    Invemo created innovative solutions for Philips
  • 19
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Covina, CA
    Savvy Stack, Inc. Is a website development company. They provide Web Development and Custom Software Development and are based in Covina, California.
    Read More
  • 20
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    10 - 49 employees
    Los Angeles, CA
    Founded in 2018, Cadenza is an Enterprise App Modernization company. Their team specializes in Enterprise App Modernization and Mobile App Development.
    Read More
  • 21
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    Santa Monica, CA
    In London, England and Santa Monica, California, On Tap is an e-commerce development company. They provide E-Commerce Development and Enterprise App Modernization and were founded in 2006.
    Read More
  • 22
    (0 Reviews)

    Not yet reviewed.

    $250,000+
    250 - 999 employees
    Los Angeles, CA
    AAXIS 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

    Industries

  • 23
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    Long Beach, CA
    Coremaitri 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
  • 24
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    2 - 9 employees
    Calabasas, CA
    Launched in 2015, i6 technology is a software development firm. The company focuses on Custom Software Development and Web Development.
    Read More
  • 25
    (4 Reviews) 4.8

    Timeliness

    4.6

    Service Excellence

    4.6

    Value

    4.6

    Would Recommend

    5.0
    $50,000+
    10 - 49 employees
    Irvine, CA

    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.

    Read More

    Industries

  • 26
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Pasadena, CA
    Technology 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

  • 27
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $50,000+
    10 - 49 employees
    Rolling Hills Estates, CA
    VCloud 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

  • 28
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Angeles, CA
    Xano, Inc. Is a Los Angeles, California-based website development firm. Their services include Web Development and Custom Software Development.
    Read More
  • 29
    (9 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $25,000+
    10 - 49 employees
    Irvine, CA
    Baytech 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 College

    Industries

  • 30
    (21 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    Costa Mesa, CA

    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.

    Read More

    Clients

    Doodlio

    Industries

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