Looking for a top legacy modernization service in San Francisco?

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 San Francisco. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best San Francisco Enterprise Application Modernization Services

  • 1
    $25,000+
    50 - 249 Employees
    Oakland CA

    Shift3 Technologies is a software-development-as-a-service firm based out of Fresno, Calif. Founded in 2013, the team of 65+ specializes in custom software, web, and mobile app development as well as enterprise system modernization and integration to help its small to mid-market clients achieve their goals. 

    Clients
    Disney
    Honda
    Amazon
    AT&T
    Notable Project

    Shift3 was hired by a California seafood restaurant to create a mobile app for iOS and Android that allows users to order and pay for to-go orders in advance.

    “The mobile app Shift3 created for us was the best decision we made for our business. Our customers love the convenience and the app is easy for them to use.” – Owner, Restaurant

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  • 2
    $25,000+
    10 - 49 Employees
    San Francisco CA

    Yeti LLC is a software development and design company founded in 2010. They have 20 employees, all of whom work out of an office in San Francisco. Yeti's practice is extensive for a firm of its size; they offer custom software development, UI/UX design, mobile apps, and IoT development.

    Clients
    ;Paradata
    Playstation
    Encompass
    Qualcomm
    Industries
    Notable Project

    A national fitness organization hired Yeti to build an application as a companion to its main product, a free space that customers can use as an outdoor gym. The app includes use guidelines and suggestions, fitness motivation, and social features that make exercise more competitive or collaborative. Yeti built an original server solution instead of using third-party support and stayed on to develop and roll out features as the company continues to grow.

    "Our relationship with them is really good. We love working with them. We’re happy to see this thing through to the next few stages." – Digital Product Manager, Fitness Social Initiative

  • 3
    Undisclosed
    1,000 - 9,999 Employees
    San Francisco CA

    Kin + Carta is a tech-centered management consultancy based in Chicago. Founded in 1964, they also have offices in London, San Francisco, New York, and Singapore. Their team of approximately 3,000 focuses primarily on enterprise clients in the financial services and health care fields. Services include mobile app development, cloud consulting, and more.

    Clients
    AstraZeneca
    Expedia
    Santander
    Pizza Hut
    Industries
    Notable Project

    Kin + Carta built a native mobile app for a health care nonprofit in advance of open enrollment, upgrading their old platform. They built the app for iOS and Android with a focus on human-centered design,

    "They helped us go beyond the average of health care to meet the expectation of digital." - CIO, Nonprofit Health Insurance Provider

  • 4
    $25,000+
    50 - 249 Employees
    San Jose CA

    MW2 Consulting is a certified Magento partner that specializes in e-commerce development, SEO, web design, and mobile app development. Founded in 1999, the company helps B2B and direct-to-consumer brands create strategic solutions. Their team consists of 33 employees and operates out of San Jose, Calif.

    Clients
    Stella&Dot
    Tupperware
    GAP
    Apple
    Industries
    Notable Project

    MW2 Consulting helped a jeweler drive traffic to their website and improve customer experience. The team developed a new user-friendly website that was also compatible with mobile devices. They then oversaw the content migration, making sure that all processes continued as expected.

    "The thing that stands out the most to me is their focus within Magento; they’ve been on the cutting-edge in terms of application development for large corporations." – VP of E-Commerce, Jeweler

  • 5
    $25,000+
    10 - 49 Employees
    San Francisco CA

    Zazz is a Seattle-based mobile app development company founded in 2011. They have an additional office in San Francisco. Their team of approximately 50 employees serves clients of all sizes and industries. In addition to app development, they also specialize in enterprise app modernization and UX/UI design.

    Clients
    Inclose
    Ideal Smart
    Sparehandz
    Industries
    Notable Project

    Zazz created iOS and Android apps that connect to a Bluetooth-enabled barbecue. Users can switch the product on and off, as well as control its temperature, from their phone. The team delivered a bug-free product and great designs.

    "Besides development, they also did the UX/UI of the app and designed our logo, as well." — Chief Product Officer, Startup

  • 6
    $25,000+
    250 - 999 Employees
    Los Altos CA

    Menlo Technologies is a global services based in Santa Clara, Calif., with an additional office in Hyderabad, India. Since 2010, Menlo Technologies' team of over 150 employees has specialized in custom software development, mobile app development, and web development. The client appreciated Menlo Technologies' ability to collaborate despite a time difference between the two teams.

    Clients
    GoPro
    Apple
    LinkedIn
    Target
    Industries
    Notable Project

    Menlo Technologies was hired by a technology solutions firm for a series of development projects, including iOS and Android apps. The client's goal was to obtain additional support for their in-house team.

    "There have been some projects with tough timelines, but Menlo Technologies went above and beyond for them."- President, Technology Solutions Firm

  • 7
    $1,000+
    Freelancer
    San Mateo CA

    GCX Solutions is a product development firm headquartered in San Mateo, CA. Founded, in 2018, their team of approximately 1–2 employees mostly serves small clients and some mid-sized businesses. Within the scope of product development, their specialties include custom software and UX/UI design.

    Clients
    Momentum Design Lab
    SingleMind
    Accelerance
    Industries
    Notable Project

    GCX Solutions provided user testing as an outsourced project for a product design agency. They tested the early-stage designs of a third-party client to ensure an effective reflection of the client's brand. Their work yielded useful suggestions for improvement.

    "The results of the user testing that GCX Solutions completed for us were thorough and described a number of possible improvements for the website’s UX." — Chief Creative Officer, Product Design Agency

  • 8
    Undisclosed
    1,000 - 9,999 Employees
    San Francisco CA

    Altimetrik is computer software company that was founded in 2012. Headquartered in Southfield, Mich., they have additional offices in the U.S., India, Uruguay, Singapore, and the UAE. Altimetrik has more than 1,000 employees do enterprise app modernization, web design, and application management and support. Most clients are in the financial services and telecommunications sectors.  

    Industries
  • 9
    $5,000+
    50 - 249 Employees
    Milpitas CA

    Opcito Technologies is a custom software development company. Their midsize team is headquartered in Pune, India. Their team focuses on custom software development, enterprise app modernization, cloud consulting & SI, application management & support, and more.

    Industries
    Notable Project

    Opcito Technologies develops custom software for an intelligence cloud company. They are tasked to create a cluster and single-click deployment using CircleCI.

    "They are fast to implement solutions and well-focused on DevOps."

  • 10
    $5,000+
    10 - 49 Employees
    San Francisco CA

    Launched in 2020, Apex Lab is a software development company. Their small team is based in Tallinn, Estonia and San Francisco, California. Their team offers custom software development, mobile app development, web development, and enterprise app modernization.

    Notable Project

    Apex Lab provided custom software development services for a ticket selling platform. The team performed front and backend infrastructure upgrades using Node.js. 

    "Everything went smoothly."

  • 11
    $5,000+
    2 - 9 Employees
    San Francisco CA
    Based in San Francisco, California and Yerevan, Armenia, Deverno Inc. Is a custom software development company. They focus on custom software development, web development, enterprise app modernization, e-commerce development, and more and were established in 2019.
    Industries
    Notable Project

    Deverno Inc. provides ongoing custom software development support for a SaaS company. Their projects involve using different technologies like .NET, C#, and Microsoft SQL Server.

    “I'm very happy with the services provided by Deverno Inc.”

  • 12
    $5,000+
    10 - 49 Employees
    San Francisco CA

    Zuccotech, a software development company, is based in San Francisco, California. The small team specializes in custom software development, enterprise app modernization, Artificial Intelligence, BI & big data consulting & SI, and more and was launched in 2018.

    Industries
    Notable Project

    Zuccotech developed a cross-promotion platform for a marketing company. They built the product using Javascript, React, and AWS infrastructure, and they continue to support the client through site management.

    "We've been very impressed with Zuccotech's steadfast expertise."

  • 13
    Undisclosed
    10 - 49 Employees
    Sunnyvale CA

    ecomZera is an e-commerce solutions provider headquartered in Hyderabad, India with a second office in Sunnyvale, Calif. It was founded in 2005 and now has a team of 29 employees. ecomZera offers e-commerce development, web development, mobile app development, and enterprise app modernization services. 

    Clients
    Pickupflowers.com
    Clearwell Systems
    ads2publish.com
    Industries
  • 14
    Undisclosed
    1,000 - 9,999 Employees
    San Mateo CA
    Augmentum, Inc. Is a custom software development firm and enterprise app modernization company founded in 2003. The firm specializes in custom software development and enterprise app modernization and has a large team. The firm is located in San Mateo, California and Shanghai, China.
  • 15
    $10,000+
    10 - 49 Employees
    San Francisco CA
    Enterprise app modernization company 1C International was founded in 1992. The firm provides enterprise app modernization, application management & support, and IT managed services and has a small team. The firm is based in Moscow, Russia and San Francisco, California.
    Industries
  • 16
    Undisclosed
    250 - 999 Employees
    Palo Alto CA

    Kumaran Systems, an enterprise app modernization company, is headquartered in Palo Alto, California; Siruseri, India and Toronto, Canada. The midsize company was established in 1991. Their team offers enterprise app modernization.

    Industries
  • 17
    $250,000+
    1,000 - 9,999 Employees
    Santa Clara CA
    Founded in 2004, Infostretch is an application testing company. The large Santa Clara, California-based team focuses on application testing, enterprise app modernization, BI & big data consulting & SI, cloud consulting & SI, and more.
    Industries
  • 18
    $5,000+
    2 - 9 Employees
    Sausalito CA
    Atricore is a small Sausalito, California-based other IT consulting and SI company. They focus on other IT consulting and SI, enterprise app modernization, IT strategy consulting, cybersecurity, and more and were launched in [node:field_pp_year_founded:value].
    Industries
  • 19
    $10,000+
    50 - 249 Employees
    San Francisco CA
    Definity First is an enterprise app modernization company. Their midsize team is headquartered in San Diego, California; San Francisco, California; Houston, Texas and Atlanta, Georgia. The company specializes in enterprise app modernization, CRM consulting and SI, custom software development, IT staff augmentation, and more.
    Industries
  • 20
    $25,000+
    250 - 999 Employees
    San Francisco CA

    Pythian is an IT company based in Ottawa, Canada with offices in San Francisco, New York City, London, Sydney, Australia and Hyderabad, India. Founded in 1997, the team of 400+ specializes in BI and big data consulting and SI, cloud consulting and SI, and IT managed services. They work with midmarket and enterprise clients in the advertising and marketing, financial services, and gaming industries.

     

    Clients
    Fox Sports
    Sonos
    Blackberry Messenger
    Rakuten
    Industries
  • 21
    Undisclosed
    50 - 249 Employees
    San Francisco CA
    Located in San Francisco, California, AOE is an e-commerce development firm. The midsize company was launched in 1999. Their team focuses on e-commerce development, web design, web development, enterprise app modernization, and more.
  • 22
    business

    UI Flow

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    $10,000+
    2 - 9 Employees
    San Francisco CA
    UI Flow, a software development company, is in San Francisco, California. The small team focuses on custom software development, enterprise app modernization, and web development. The firm was founded in 2020.
    Industries
  • 23
    Thinking Hut IT Solutions Pvt. ltd. Logo

    Thinking Hut IT Solutions Pvt. ltd.

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    Undisclosed
    10 - 49 Employees
    San Jose CA
    Thinking Hut IT Solutions Pvt. Ltd., a small custom software development firm, is located in San Jose, California; Pune, India and Pune, India. They focus on custom software development, enterprise app modernization, mobile app development, CRM consulting and SI, and more and were established in 2010.
    Industries
  • 24
    $1,000+
    10 - 49 Employees
    Fremont CA
    Located in Fremont, California, Team247 Inc. Is a small software development firm. They offer custom software development, enterprise app modernization, e-commerce development, mobile app development, and more and were founded in 2016.
    Industries
  • 25
    $5,000+
    10 - 49 Employees
    San Francisco CA
    SOLVD is a custom software development company. Founded in 2018, the small firm is based in San Francisco, California. Their team specializes in custom software development, enterprise app modernization, web development, ux/ui design, and more.
  • 26
    $10,000+
    50 - 249 Employees
    San Francisco CA
    Website development firm Bytex Technologies was launched in 2015. Their midsize team is located in Iași, Romania and San Francisco, California. Their services include web development, application testing, enterprise app modernization, custom software development, and more.
    Industries
  • 27
    $10,000+
    50 - 249 Employees
    Sunnyvale CA
    TransformHub is a midsize mobile app development company and web development firm founded in 2019. Their services include mobile app development and web development. The agency is based in Singapore, Singapore and Mumbai, India.
    Industries
  • 28
    Undisclosed
    50 - 249 Employees
    Santa Clara CA
    SATech Digital is a software development company launched in 2002. They are located in Santa Clara, California and Pune, India and have a midsize team. The company offers custom software development, enterprise app modernization, ux/ui design, content marketing, and more.
  • 29
    Step Ahead Solutions, Inc. Logo

    Step Ahead Solutions, Inc.

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    Undisclosed
    2 - 9 Employees
    Cupertino CA
    Small cybersecurity company Step Ahead Solutions, Inc., is located in Cupertino, California. They focus on cybersecurity, cloud consulting & SI, BI & big data consulting & SI, and enterprise app modernization and were established in 2006.
  • 30
    $5,000+
    Freelancer
    San Francisco CA
    SiteAppy LLC, an enterprise app modernization company, is headquartered in San Francisco, California. The small team offers enterprise app modernization, custom software development, ux/ui design, e-commerce development, and more. The firm was founded in 2014.
    Industries
Tell us about your project
NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

TELL US ABOUT YOUR PROJECT