Top 30 Custom Software Development Companies
The Best of December 2025List of the Best Software Development Firms
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1$50,000+1,000 - 9,999 employeesWarszawa, PolandRead More
Andersen Inc. Is a software development company based in Warszawa, Poland; Kraków, Poland; Dallas, Texas and London, England. The large team provides Custom Software Development, IT managed services, Mobile App Development, IT strategy consulting, and more. The agency was established in 2007.
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SamsungIndustries
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2$10,000+1,000 - 9,999 employeesWarszawa, PolandInnowise is a cloud consulting & SI company launched in 2007. They are located in Warszawa, Poland; Bruxelles, Belgium; Francavilla al Mare, Italy and Genève, Switzerland and have a large team. The company offers cloud consulting & SI, IT staff augmentation, Custom Software Development, Web Development, and more.Read More
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TopconIndustries
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3$10,000+50 - 249 employeesKirkland, WARead More
Founded in 2013, AccelOne is an artificial intelligence firm. They are headquartered in Kirkland, Washington; Buenos Aires, Argentina and Mission Viejo, California and have a midsize team. The firm offers Artificial Intelligence, Generative AI, IT managed services, IT staff augmentation, and more.
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XapoIndustries
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4$75,000+250 - 999 employeesСофия, BulgariaRead More
Scalefocus is a provider of custom software solutions with 700+ employees and 7 delivery locations in Bulgaria, North Macedonia, and Türkiye. Founded in 2012, the company partners with clients across various sectors, including IT, Financial Services, Energy & Utilities, Aviation, iGaming, and others. With 500+ successful projects in 26 countries, Scalefocus has delivered transformative results for 300+ clients, including Fortune 500 companies, innovative start-ups, and established leaders.
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CuradenIndustries
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5$50,000+50 - 249 employeesKraków, PolandRailsware is a midsize website development firm located in Danbury, Connecticut; Kraków, Poland; Kyiv, Ukraine and Dubai, United Arab Emirates. Launched in 2007, the team provides Web Development, Custom Software Development, Artificial Intelligence, AI Consulting, and more.Read More
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SendGridIndustries
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$25,000+10 - 49 employeesMedina, WAFlower Press Interactive is a small user experience agency launched in 2001. Their team offers UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more. The company is located in Medina, Washington.Read More
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$10,000+10 - 49 employeesJohannesburg, South AfricaRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
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6$25,000+50 - 249 employeesNewark, DEINOXOFT, a midsize software development company, is based in Newark, Delaware; Philadelphia, Pennsylvania; Wrocław, Poland and L'viv, Ukraine. They specialize in Custom Software Development, Web Development, Artificial Intelligence, and AI Consulting and were launched in 2014.Read More
Clients
TOSHIBA NIVEA Vestel ShelfIndustries
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7$25,000+50 - 249 employeesGrand Rapids, MIAtomic Object is a custom software development firm and application development firm based in Grand Rapids, Michigan; Ann Arbor, Michigan; Chicago, Illinois and Raleigh, North Carolina. The midsize agency was launched in 2001. Their services include Custom Software Development and Mobile App Development.Read More
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8$10,000+250 - 999 employeesNew York, NYSoftware development firm Cleveroad is located in New York, New York; Los Angeles, California; Kharkiv, Ukraine and Manchester, England. The midsize company was launched in 2011. Their team specializes in Custom Software Development, Web Development, IT staff augmentation, Mobile App Development, and more.Read More
Clients
DPD Mangopay PENNEO A/S LEGOIndustries
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9$50,000+50 - 249 employeesWarszawa, PolandRead More
Geniusee, a custom software development firm, is located in Middletown, Delaware; Warszawa, Poland; Kyiv, Ukraine and L'viv, Ukraine. The company focuses on Custom Software Development, Web Development, cloud consulting & SI, and Artificial Intelligence and has a midsize team.The company was established in 2017.
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Scout and Drum Technologies Inc. (startups from founders of the FinTech unicorn Kabbage acquired by Amex)Industries
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10$25,000+50 - 249 employeesLimassol, CyprusApp development company You are launched is located in Limassol, Cyprus; Columbia, South Carolina; Dnipro, Ukraine and Kraków, Poland. Launched in 2016, the midsize team offers Mobile App Development, Custom Software Development, and UX/UI Design.Read More
Clients
"You are launched is the perfect partner for a startup seeking a reliable development partner. Additionally, they have the ability to provide long-term support with dedicated and well-organized teams" - Giacomo Vose.Industries
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11$50,000+1,000 - 9,999 employeesSan Francisco, CARead More
BairesDev is a San Francisco, California-based software development company. The large team offers Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more. The company was founded in 2009.
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GoogleIndustries
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12$50,000+250 - 999 employeesSan Francisco, CAEmpat is an app development company established in 2013. They are in San Francisco, California; Kyiv, Ukraine; London, England and Miami, Florida and have a midsize team. Their services include Mobile App Development, Custom Software Development, and Web Development.Read More
Clients
Obimy — A mobile app connecting loved ones across distances with over 10 million downloads on iOS and Android. Enables seamless communication and emotional connection. Mobile app development and social networking focus. Bigsister — Custom AI software designed for sales performance tracking and analysis, providing clean, accurate data to optimize sales teams and improve efficiency with advanced analytics. Trigga — A fintech project featuring payment systems and a comprehensive analytical database to support secure transactions and financial insights for smarter decision-making. DentalCare — Healthcare ecosystem with mobile app, web development, and CRM tools for managing patient records, tracking appointments, and sending automated reminders to improve patient care.Industries
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13$25,000+250 - 999 employeesWhite Plains, NYFingent is a software development firm. Founded in 2003, the midsize agency is based in White Plains, New York; Dubai, United Arab Emirates; Kochi, India and Melbourne, Australia. Their team offers Custom Software Development, Artificial Intelligence, Web Development, and Mobile App Development.Read More
Clients
Sony Mastercard AGP CBNIndustries
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14$25,000+1,000 - 9,999 employeesNew York, NYSoftware development company Vention is headquartered in New York, New York; Marietta, Georgia; Woodbridge Township, New Jersey and London, England. The large team provides Custom Software Development, IT staff augmentation, Web Development, Mobile App Development, and more. The firm was established in 2002.Read More
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IBM PayPal pwc IC MarketsIndustries
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15$50,000+50 - 249 employeesSan Francisco, CAApp development company Cheesecake Labs is located in San Francisco, California and Florianopolis, Brazil. Established in 2013, the midsize team focuses on Mobile App Development, Custom Software Development, and Blockchain.Read More
Clients
MoneyGram International Stellar Development Foundation AB Inbev Mutual of OmahaIndustries
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16$25,000+1,000 - 9,999 employeesBoca Raton, FLEstablished in 2010, AgileEngine is a software development firm. The large Boca Raton, Florida-based team specializes in Custom Software Development, UX/UI Design, Artificial Intelligence, IT staff augmentation, and more.Read More
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17$50,000+10 - 49 employeesFishers, INRead More
Custom software development company Six Feet Up, Inc. Was founded in 1999. The small team provides custom software development, web development, cloud consulting & SI, Artificial Intelligence, and more. The company is based in Fishers, Indiana.
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18$5,000+250 - 999 employeesAhmedabad, IndiaEstablished in 2010, eSparkBiz is a software development firm. Their midsize team is based in Ahmedabad, India and Middletown, Delaware. Their services include Custom Software Development, Artificial Intelligence, and cloud consulting & SI.Read More
Clients
T-MobileIndustries
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19$50,000+50 - 249 employeesMontréal, CanadaRead More
In Montréal, Canada, Osedea is a midsize custom software development firm. Launched in 2011, the team provides Custom Software Development, Artificial Intelligence, and UX/UI Design.
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20$25,000+50 - 249 employeesPoznań, PolandRead More
Merixstudio, a custom software development company and website development company, is headquartered in Poznań, Poland; New York, New York; Bristol, England and Berlin, Germany. The midsize team provides Custom Software Development and Web Development and was founded in 1999.
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21$25,000+250 - 999 employeesGliwice, PolandRead More
Future Processing, a software development firm, was founded in 2000. They are based in Gliwice, Poland; Ternopil, Ukraine; London, England and Düsseldorf, Germany and have a midsize team. Future Processing provides Custom Software Development, cloud consulting & SI, BI & big data consulting & SI, Web Development, and more.
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AllocateIndustries
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22$10,000+250 - 999 employeesSan Francisco, CAGeekyAnts is a Bengaluru, India-based custom software development firm. The midsize team provides Custom Software Development, Mobile App Development, Web Development, Artificial Intelligence, and more. The firm was launched in 2006.Read More
Clients
Siveco Romania Olive Garden Darden KhataBookIndustries
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23$10,000+250 - 999 employeesGreenville, SCDesignli is a mobile application development company established in 2013. Their midsize team is headquartered in Greenville, South Carolina; Charlotte, North Carolina; Atlanta, Georgia and San Francisco, California. The firm offers Mobile App Development, Custom Software Development, UX/UI Design, and Artificial Intelligence.Read More
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Michelin Goodwill SouthernFirst Bank EarthLinkIndustries
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24$25,000+50 - 249 employeesL'viv, UkraineRead More
Leobit is a software development firm. They offer Custom Software Development, Web Development, cloud consulting & SI, Mobile App Development, and more and were established in 2014. Their midsize team is headquartered in L'viv, Ukraine; Austin, Texas; Tallinn, Estonia and Kraków, Poland.
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KEMET CorporationIndustries
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25$5,000+50 - 249 employeesLondon, EnglandDigis, a Fiverr company (NYSE: FVRR) is a custom software development company and web development firm. Launched in 2015, the team offers Custom Software Development and Web Development. Their midsize firm is in London, England; New York, New York; București, Romania and L'viv, Ukraine.Read More
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Blablacar Hubspot PwC HumaIndustries
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26$25,000+250 - 999 employeesTampa, FLRead More
KITRUM is a midsize software development company. In Tampa, Florida; Warszawa, Poland; Kyiv, Ukraine and Kharkiv, Ukraine, the company was launched in 2016. Their services include Custom Software Development, Web Development, Mobile App Development, and Artificial Intelligence.
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PawSquad Franatech Ledgerset StackSourceIndustries
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27$50,000+50 - 249 employeesNewport Beach, CASaritasa, a software development company, is headquartered in Newport Beach, California; New York, New York; Chicago, Illinois and Manhattan Beach, California. The midsize company was established in 2005. Their team provides Custom Software Development, AR/VR development, Web Development, Mobile App Development, and more.Read More
Clients
Mitsubishi Makita ASCO Power Technologies WinegardIndustries
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28$25,000+250 - 999 employeesVitória, BrazilRead More
99x is a midsize custom software development firm. The Vitória, Brazil-based agency was established in 2004. Their team provides Custom Software Development, IT staff augmentation, Web Development, Mobile App Development, and more.
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29$50,000+250 - 999 employeesSofia, BulgariaRead More
Founded in 2007, Dreamix is a midsize custom software development company headquartered in Sofia, Bulgaria and Cirencester, England. Their services include Custom Software Development, IT staff augmentation, Web Development, IT strategy consulting, and more.
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VistaJetIndustries
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30$75,000+250 - 999 employeesCharlotte, NCRead More
Custom software development firm Dualboot Partners is located in Charlotte, North Carolina; Raleigh, North Carolina and Montevideo, Uruguay. The midsize team specializes in Custom Software Development, Web Development, UX/UI Design, cloud consulting & SI, and more and was established in 2018.
Clients
DebtBookIndustries
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