Top 100 Application Modernization Services
The Best of November 2026
Technology is moving forward faster than ever before; even relatively new industries are already getting left behind. Apps are no exception to this phenomenon. There are platforms now that are simply unusable because of their outdated specs. It's come to the point when app modernization services have become a necessity to ensure platforms maintain their competitiveness and relevance within their respective industries.
This is why The Manifest created and curated a list of the best and most prolific agencies offering app modernization services. Find your new app development partner below and ensure your platform never gets left behind no matter how quickly technology speeds ahead.
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List of the Best Enterprise Application Modernization Services
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1$25,000+250 - 999 employeesMiami, FLKITRUM is a Miami, Florida-based Enterprise App Modernization company. The midsize company was established in 2016. Their services include Enterprise App Modernization, Engineering, IT staff augmentation, Custom Software Development, and more.Read More
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PawSquad Franatech Ledgerset StackSourceIndustries
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2$50,000+1,000 - 9,999 employeesNew York, NYVention is an artificial intelligence firm. Founded in 2002, the company is based in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The large team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more.Read More
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IBM PayPal pwc IC MarketsIndustries
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3$10,000+1,000 - 9,999 employeesSouthborough, MAAI Agents company Trigent Software - AI Development was founded in 1995. Their large team is in Southborough, Massachusetts and Bengaluru, India. Their services include AI Agents, Enterprise App Modernization, BI & big data consulting & SI, Custom Software Development, and more.Read More
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NavistarIndustries
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4$50,000+250 - 999 employeesWrocław, PolandCSHARK is a software development company. The midsize Wrocław, Poland-based company was established in 2014. Their services include Custom Software Development, Enterprise App Modernization, and UX/UI Design.Read More
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Fenergo (Fintech)Industries
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5$100,000+250 - 999 employeesMiami, FLMidsize software development company Zoolatech, is located in Miami, Florida; Kyiv, Ukraine; Zapopan, Mexico and Istanbul, Türkiye. Founded in 2017, the team specializes in Custom Software Development, Enterprise App Modernization, Artificial Intelligence, E-Commerce Development, and more.Read More
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Pandora is a global jewelry retailer with a large international store network and a growing digital ecosystem supporting customers across multiple markets. Recon Food is a vertical social media platform that brings people together through a shared love of food, dining experiences, and restaurant discovery. Glassdoor is a career community and employer insights platform that helps people research companies, compare salaries, explore jobs, and make more informed career decisions Reddit is a social platform and community network that connects millions of people through discussions, user-generated content, and topic-based communities.Industries
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6Undisclosed1,000 - 9,999 employeesAtlanta, GAKMS Technology is a software development company. They focus on Custom Software Development, Artificial Intelligence, Application Testing, Enterprise App Modernization, and more and were founded in 2009. The company is in Atlanta, Georgia; Ho Chi Minh City, Vietnam; Da Nang , Vietnam and San Pedro Tlaquepaque, Mexico.Read More
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7$100,000+1,000 - 9,999 employeesOakland, CARead More
CI&T (formerly CINQ Technologies) is software development company based in Curitiba, Brazil with additional offices in Brazil and Miami. Founded in 1992, the team of 271 specializes in custom software development, IT staff augmentation, and UX/UI design. They work primarily with enterprise clients in the transportation and financial services industries.
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SITAIndustries
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8$5,000+1,000 - 9,999 employeesRead More
ArionERP is a midsize ERP consulting and SI company in San Jose, California. They offer ERP consulting and SI, enterprise app modernization, CRM consulting and SI, and finance & accounting outsourcing (FAO) and were launched in 2016.
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9$10,000+250 - 999 employeesSacramento, CAMobiDev Corporation is a midsize Enterprise App Modernization company. In Sacramento, California; Chernivtsi, Ukraine; Łódź, Poland and London, England, the agency was launched in 2009. Their team offers Enterprise App Modernization, AI Consulting, and Artificial Intelligence.Read More
Clients
Comcash SmartTab BeOne Sports PGA of AmericaIndustries
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10$5,000+10 - 49 employeesBrno, Czech RepublicSenvio is a small Brno, Czech Republic-based Enterprise App Modernization company. They specialize in Enterprise App Modernization, Web Development, Web Design, UX/UI Design, and more and were launched in 2015.Read More
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11$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
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12$1,000+250 - 999 employeesHanoi, VietnamKAOPIZ is a Hanoi, Vietnam-based custom software development company. The midsize firm was founded in 2014. Their team specializes in Custom Software Development, Artificial Intelligence, IT staff augmentation, AI Agents, and more.Read More
Clients
QuantumTX (Singapore) SPRIX Inc. Toyota Tsusho MinistopIndustries
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13$25,000+50 - 249 employeesClaymont, DETest Double, an Enterprise App Modernization company, is in Claymont, Delaware. They provide Enterprise App Modernization, Custom Software Development, Artificial Intelligence, AI Consulting, and more and were founded in 2011.Read More
Clients
BettermentIndustries
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14$10,000+250 - 999 employeesHudson, OHTaazaa Inc. Is a custom software development company. Their midsize team is in Hudson, Ohio and Noida, India. The agency offers Custom Software Development, Artificial Intelligence, Enterprise App Modernization, UX/UI Design, and more.Read More
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PulseBoxIndustries
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15$10,000+250 - 999 employeesBeijing, ChinaCustom software development company Shinetech Software is headquartered in Beijing, China; Sydney, Australia; Melbourne, Australia and London, England. The midsize company was launched in 2001. Their team provides Custom Software Development, IT staff augmentation, Enterprise App Modernization, and Artificial Intelligence.Read More
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Barts Health NHS TrustIndustries
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16$25,000+50 - 249 employeesAgoura Hills, CATechAhead is a midsize application development company based in Agoura Hills, California; Noida, India and Dubai, United Arab Emirates. They focus on Mobile App Development, Enterprise App Modernization, Artificial Intelligence, and Custom Software Development and were launched in 2009.Read More
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AXA University of Toronto Audi American ExpressIndustries
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17$10,000+50 - 249 employeesBucurești, RomaniaEssensys is a București, Romania-based Enterprise App Modernization company. They specialize in Enterprise App Modernization, Custom Software Development, Web Development, BI & big data consulting & SI, and more and were founded in 2005.Read More
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18$25,000+50 - 249 employeesL'viv, UkraineLeobit is a custom software development firm. Their midsize team is headquartered in L'viv, Ukraine; Austin, Texas; Tallinn, Estonia and Kraków, Poland and focuses on Custom Software Development, Artificial Intelligence, Web Development, AI Agents, and more. The agency was established in 2014.Read More
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KEMET CorporationIndustries
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19$50,000+1,000 - 9,999 employeesKraków, PolandIT strategy consulting company Software Mind S.A. Is in Kraków, Poland; Warszawa, Poland; Rzeszów, Poland and Bielsko-Biała, Poland. Launched in 1999, the large team focuses on IT strategy consulting, cloud consulting & SI, Custom Software Development, AI Agents, and more.Read More
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Backbase Baillie Gifford A1 CallcreditIndustries
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20$25,000+1,000 - 9,999 employeesOrlando, FLArtificial intelligence firm Simform was launched in 2010. They are headquartered in Orlando, Florida; Los Angeles, California; Chicago, Illinois and San Francisco, California and have a large team. Simform focuses on Artificial Intelligence, cloud consulting & SI, CRM consulting and SI, ERP consulting and SI, and more.Read More
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RedbullIndustries
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21$50,000+1,000 - 9,999 employeesAtlanta, GAFounded in 2009, Sparq is a software development firm. The agency offers Custom Software Development, Artificial Intelligence, Enterprise App Modernization, IT strategy consulting, and more and has a large team. The agency is headquartered in Atlanta, Georgia and Montevideo, Uruguay.Read More
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Microsoft Amazon Starbucks lululemonIndustries
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22$25,000+1,000 - 9,999 employeesSão Paulo, BrazilFCamara is an user experience agency. Their large team is in São Paulo, Brazil; Leiria, Portugal; St Albans, England and Dubai, United Arab Emirates. Their services include UX/UI Design, IT strategy consulting, cloud consulting & SI, IT staff augmentation, and more. The firm was founded in 2006.Read More
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Farfetch IPSOS Elfa Group BTG PactualIndustries
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23$50,000+50 - 249 employeesGliwice, PolandBrainhub is a Gliwice, Poland-based website development firm. They focus on Web Development, cloud consulting & SI, and Enterprise App Modernization and were launched in 2015.Read More
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National Geographic Star Stable GoKong Credit SuisseIndustries
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24$50,000+250 - 999 employeesNew York, NYIcreon, a midsize Digital Strategy company, is in New York, New York; London, England; Conshohocken, Pennsylvania and Washington, District of Columbia. Established in 2000, the team focuses on Digital Strategy, cloud consulting & SI, Web Development, E-Commerce Development, and more.Read More
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National Geographic ChannelIndustries
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25$5,000+250 - 999 employeesLondon, EnglandSPD Technology is a software development firm based in London, England; Kyiv, Ukraine; București, Romania and Aradippou, Cyprus. The midsize firm was established in 2006. Their team specializes in Custom Software Development, Artificial Intelligence, Enterprise App Modernization, and Digital Engineering.Read More
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PitchBook GoDaddy Roche MorningstarIndustries
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26$25,000+250 - 999 employeesWarszawa, PolandAltkom Software is a Warszawa, Poland-based custom software development firm. They specialize in Custom Software Development, Mobile App Development, Enterprise App Modernization, and cloud consulting & SI and were launched in 2000.Read More
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BNP ParibasIndustries
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27$10,000+50 - 249 employeesWarszawa, PolandRead More
Eyzee is a custom software development company. The midsize Warszawa, Poland-based agency was established in 2017. Their services include custom software development, enterprise app modernization, cloud consulting & SI, application testing, and more.
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Ministry of Digital Affairs Republic of PolandIndustries
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28$50,000+50 - 249 employeesConshohocken, PAThink Company, an Enterprise App Modernization company, is in Conshohocken, Pennsylvania and Philadelphia, Pennsylvania. The agency offers Enterprise App Modernization, UX/UI Design, Product Design, Custom Software Development, and more and has a midsize team.The agency was launched in 2007.Read More
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ADP Vanguard Comcast Johnson & JohnsonIndustries
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29$50,000+50 - 249 employeesMiami, FLDevox Software, a custom software development firm, is based in Miami, Florida; Warszawa, Poland; Kyiv, Ukraine and Lauderdale Lakes, Florida. The agency provides Custom Software Development, Enterprise App Modernization, Artificial Intelligence, and AI Consulting and has a midsize team.The agency was launched in 2018.Read More
Clients
Function4Industries
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30$10,000+10 - 49 employeesLittleton, COBriebug is a small Enterprise App Modernization company established in 2009. Their team offers Enterprise App Modernization, Custom Software Development, Web Development, Mobile App Development, and more. The company is based in Littleton, Colorado.Read More
Industries
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