Top 100 Application Modernization Services
The Best of August 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 There are platforms now that are simply unusable because of their outdated specs.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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31$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
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32$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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33$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
Clients
KEMET CorporationIndustries
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34$10,000+50 - 249 employeesHouston, TXCodup is a custom software development company. The midsize team is located in Houston, Texas; Dubai, United Arab Emirates and Irvine, California. Their services include Custom Software Development, E-Commerce Development, Enterprise App Modernization, Mobile App Development, and more.Read More
Clients
UnileverIndustries
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35$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
Clients
BNP ParibasIndustries
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36$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
Clients
Farfetch IPSOS Elfa Group BTG PactualIndustries
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37$10,000+50 - 249 employeesWarszawa, PolandPolcode is an e-commerce development company based in Warszawa, Poland and Kraków, Poland. The midsize firm was launched in 2006. Their services include E-Commerce Development, Web Development, and Enterprise App Modernization.Read More
Clients
impak FinanceIndustries
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38$25,000+50 - 249 employeesKraków, PolandHeadquartered in Kraków, Poland, Pragmatic Coders is a midsize software development firm. They specialize in Custom Software Development, Artificial Intelligence, Enterprise App Modernization, AI Consulting, and more and were established in 2014.Read More
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Atom BankIndustries
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39$25,000+50 - 249 employeesL'viv, UkraineHeadquartered in L'viv, Ukraine; Warszawa, Poland and Markham, Canada, Reenbit is a software development firm. The midsize firm was established in 2018. Their team focuses on Custom Software Development, Artificial Intelligence, BI & big data consulting & SI, Enterprise App Modernization, and more.Read More
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CloudBooking Glowi EClou DataloopIndustries
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40$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
Clients
National Geographic ChannelIndustries
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41$25,000+50 - 249 employeesPrague, Czech RepublicBased in Prague, Czech Republic, OAKS LAB is a custom software development company. The agency provides Custom Software Development, Web Development, Artificial Intelligence, IT staff augmentation, and more and is midsize.The agency was launched in 2016.Read More
Clients
Blue Owl Productboard Nasdaq Private Market Blackpoint CyberIndustries
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42$250,000+250 - 999 employeesBroomfield, COGorilla Logic, a software development company, is based in Broomfield, Colorado; Medellín, Colombia; San José, Costa Rica and Guadalajara, Mexico. The midsize agency was launched in 2002. Their services include Custom Software Development, Web Development, Artificial Intelligence, AI Consulting, and more.Read More
Clients
Arrow ElectronicsIndustries
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43$25,000+50 - 249 employeesRybnik, PolandRead More
Software development company fireup.pro is based in Rybnik, Poland. The agency focuses on custom software development, enterprise app modernization, other IT consulting and SI, and mobile app development and is midsize.The agency was founded in 2013.
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44$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
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45$50,000+250 - 999 employeesAustin, TXGigster, a midsize AI firm, is headquartered in Austin, Texas. Founded in 2014, the team provides Artificial Intelligence, Custom Software Development, Mobile App Development, Enterprise App Modernization, and more.Read More
Clients
Google Microsoft Pepsico IBMIndustries
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46$25,000+10 - 49 employeesAtlanta, GABellwood, a software development company, was established in 2019. They are located in Atlanta, Georgia; Farmington, New York; Gold River, California and Orlando, Florida and have a small team. Their services include Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.Read More
Clients
WarnerMediaIndustries
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47$100,000+250 - 999 employeesNew York, NYCoderio is an artificial intelligence development company. They provide Artificial Intelligence, IT staff augmentation, Custom Software Development, Web Development, and more and were founded in 2017. Their midsize team is headquartered in New York, New York; C1425BYF, Argentina; Jesús María, Peru and Montevideo, Uruguay.Read More
Clients
Coca-Cola McDonald's Visa FedExIndustries
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48$75,000+50 - 249 employeesMarlborough, MAEstablished in 2019, Valere is a midsize AI development company headquartered in Marlborough, Massachusetts; Brookline, Massachusetts; Washington, District of Columbia and Seattle, Washington. Their services include Artificial Intelligence, Custom Software Development, AI Consulting, Generative AI, and more.Read More
Clients
Caylent | AWS Innovation Partner of the Year (x4) Death & Co iHeart Media Johns Hopkins UniversityIndustries
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49$10,000+50 - 249 employeesWarszawa, PolandBrights is a custom software development company located in Warszawa, Poland; Kyiv, Ukraine and New York, New York. They provide Custom Software Development, Web Development, AI Consulting, Enterprise App Modernization, and more and were established in 2011.Read More
Clients
Philip Morris Suzuki Microsoft DanoneIndustries
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50$100,000+50 - 249 employeesMelbourne, AustraliaFounded in 2016, Insighture is an Enterprise App Modernization company. The firm specializes in Enterprise App Modernization, cloud consulting & SI, Application Testing, Artificial Intelligence, and more and has a midsize team. The firm is located in Melbourne, Australia; Colombo, Sri Lanka and Singapore.Read More
Clients
WebjetIndustries
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51$10,000+10 - 49 employeesWrocław, PolandRead More
Codedose is a web applications software house based in Wrocław, Poland and founded in 2013. They comprise 21 employees specializing in Java, bespoke software, database systems, and MuleSoft. They work with small, midmarket, and large companies, particularly in finance, business services, and IT.
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52$50,000+250 - 999 employeesUnterschleißheim, GermanyGP Solutions is a midsize software development company. Based in Unterschleißheim, Germany; Miami Beach, Florida; Dubai, United Arab Emirates and Warszawa, Poland, the company was founded in 2002. Their team focuses on Custom Software Development, Web Development, Enterprise App Modernization, Web Design, and more.Read More
Clients
Air Canada EF Education First LexisNexis Customers.aiIndustries
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53$50,000+50 - 249 employeesWarszawa, PolandBlackthorn Vision is a midsize software development company. They provide Custom Software Development, Artificial Intelligence, Enterprise App Modernization, and IT managed services and were established in 2009. The firm is headquartered in Austin, Texas; Warszawa, Poland and L'viv, Ukraine.Read More
Clients
SensiaIndustries
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54$25,000+50 - 249 employeesSanta Clara, CAVardot is a midsize web development company. They specialize in Web Development, Web Design, UX/UI Design, and Enterprise App Modernization and were established in 2011.Read More
Clients
UNICEF UNHCR, the UN Refugee Agency Boston Consulting Group (BCG) InformaIndustries
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55$10,000+10 - 49 employeesAhmedabad, IndiaFacile Technolab is a small custom software development firm established in 2016. Their team specializes in Custom Software Development, Artificial Intelligence, and Enterprise App Modernization. The agency is headquartered in Ahmedabad, India.Read More
Clients
Super LinearIndustries
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56$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
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57$50,000+50 - 249 employeesCórdoba, ArgentinaRead More
Southern Code is a software agency based in Córdoba, Argentina, and founded in 2015. With no more than 50 members, they offer mobile app development, UX/UI design, and custom software development solutions for clients in the industries of manufacturing, arts, and IT services.
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Reside Worldwide INCIndustries
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58$5,000+10 - 49 employeesKyiv, UkraineTenpixls is a small software development firm founded in 2010. Their team offers Custom Software Development, UX/UI Design, Enterprise App Modernization, and IT strategy consulting. The firm is headquartered in Kyiv, Ukraine.Read More
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59$10,000+50 - 249 employeesHamilton, CanadaWeb development firm Cabot Technology Solutions, Inc is headquartered in Hamilton, Canada and Kakkanad, India. The midsize team provides Web Development, Artificial Intelligence, Enterprise App Modernization, Custom Software Development, and more. The agency was established in 2010.Read More
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60$25,000+50 - 249 employeesToronto, CanadaArchitech is a midsize Generative AI company. Based in Toronto, Canada, the firm was established in 2004. Their services include Generative AI, Enterprise App Modernization, Artificial Intelligence, Custom Software Development, and more.Read More
Clients
Rogers Telecommunications TELUS Telecommunications Jacob & Co Goodlife FitnessIndustries
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