
Top 30 Custom Software Development Companies
The Best of February 2025List of the Best Software Development Firms
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1
$10,000+250 - 999 employeesStuttgart, GermanySoftware development firm *instinctools was launched in 2000. They are headquartered in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware and have a midsize team. Their services include Custom Software Development, Web Development, IT strategy consulting, Mobile App Development, and more.Read More
Clients
Daimler Fujitsu Nostrum SpexAIIndustries
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2
$50,000+1,000 - 9,999 employeesWarszawa, Poland
Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.
Clients
SamsungIndustries
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3
$25,000+10 - 49 employeesLisboa, Portugal
Altar.io is a product and software development company based in Lisbon, London, and Milan. Founded in 2015, the team of 20 provides end-to-end IT services in web, mobile, and cloud. They also provide UX/UI design, development, and software deployment. They are cross-industry, with a specialty in fintech and work with companies of all sizes.
Clients
ApiaxIndustries
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4
$1,000+2 - 9 employeesDenver, CO
Pell Software is a custom business software developer based out of Denver. Founded in 2019 and with about 5 team members, they focus on custom software development and website development mainly for small businesses in manufacturing, e-commerce, automotive, and financial industries.
Clients
Aegion / Underground SolutionsIndustries
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5
$5,000+10 - 49 employeesNorthbrook, IL
Neologic Software is an IT company in Northbrook, Ill. Founded in 2018, they have about 4 employees that serve small-business and midmarket clients in a wide range of sectors. Services include custom software development and business consulting.
Clients
PLT4MIndustries
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6
$10,000+50 - 249 employeesKirkland, WAAccelOne is an IT strategy consulting company. The midsize Kirkland, Washington-based agency was established in 2013. Their services include IT strategy consulting, IT managed services, Custom Software Development, Web Development, and more.Read More
Clients
XapoIndustries
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7
$75,000+250 - 999 employeesСофия, BulgariaApplication development company Scalefocus was launched in 2012. The company offers Mobile App Development, Custom Software Development, Web Development, cloud consulting & SI, and more and has a midsize team.Read More
Clients
CuradenIndustries
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8
$50,000+50 - 249 employeesChicago, ILBased in L'viv, Ukraine; London, England; New York, New York and Chicago, Illinois, inVerita is an IT staff augmentation company. Established in 2015, the midsize team provides IT staff augmentation, Custom Software Development, Web Development, and Artificial Intelligence.Read More
Clients
Perforce, Methodics, Mediashout, Kroger Group, HILTI, Scrafts, Dilligend, OpenLogic, Perfecto, Government of SA, WGSN, numerous YCombinator-backed startupsIndustries
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9
$10,000+10 - 49 employeesBoca Raton, FLWeb development firm Coderfy was established in 2022. Based in Vasylkiv, Ukraine and Boca Raton, Florida, their small team focuses on Web Development, Custom Software Development, Mobile App Development, IT strategy consulting, and more.Read More
Industries
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$50,000+250 - 999 employeesLondon, EnglandOpinov8 Digital and Engineering Solutions is a software development company. Established in 2017, the team focuses on Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, and Enterprise App Modernization. Their midsize firm is in London, England; Kyiv, Ukraine; Cairo, Egypt and Weybridge, England.Read More
Industries
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$25,000+1,000 - 9,999 employeesNew York, NY
Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.
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$25,000+10 - 49 employeesMedina, WAFlower Press Interactive is an user experience design agency located in Medina, Washington. Established in 2001, the small team provides UX/UI Design, Mobile App Development, Graphic Design, Logo, and more.Read More
Industries
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10
$5,000+50 - 249 employeeshanoi, Vietnam
Based in hanoi, Vietnam, Politetech is a website development firm. The company provides web development, mobile app development, custom software development, AR/VR development, and more and is midsize.The company was established in 2010.
Clients
NamPhuIndustries
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11
$5,000+250 - 999 employeesUplineSoft is a Charlotte, North Carolina-based IT staff augmentation company. The midsize agency was founded in 2020. Their team specializes in IT staff augmentation and Custom Software Development.Read More
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$10,000+250 - 999 employeesWrocław, PolandSoftware development firm Scalo was launched in 2007. The midsize Wrocław, Poland-based team specializes in Custom Software Development, BI & big data consulting & SI, IT managed services, IT staff augmentation, and more.Read More
Industries
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$25,000+250 - 999 employeesUnterschleißheim, GermanyIn Unterschleißheim, Germany; Miami Beach, Florida; Dubai, United Arab Emirates and Warszawa, Poland, GP Solutions is a midsize website development firm. Founded in 2002, the team offers Web Development, Mobile App Development, Web Design, UX/UI Design, and more.Read More
Industries
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$10,000+10 - 49 employeesJohannesburg, South Africa
CubeZoo is a web development company. The small team is headquartered in Randburg, South Africa. Their services include web development, mobile app development, and enterprise app modernization.
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12
$5,000+250 - 999 employeesHanoi, VietnamSynodus, a mobile application development firm, was founded in 2019. Their midsize team is in Hanoi, Vietnam; Singapore, Singapore and Ho Chi Minh City, Vietnam. Their services include Mobile App Development, Custom Software Development, Blockchain, and Web Development.Read More
Clients
Softline, Boody, Techcombank, AVIS, HITACHI, TaylorMade, Recurrent, Vsmart, SmartChannel, Golden Gate, BURGEBULKIndustries
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13
$25,000+250 - 999 employeesWarszawa, PolandYalantis is a custom software development firm located in Warszawa, Poland; L'viv, Ukraine; Larnaca, Cyprus and Dnipro, Ukraine. The firm focuses on Custom Software Development, BI & big data consulting & SI, IoT development, and Artificial Intelligence and has a midsize team.The firm was launched in 2008.Read More
Clients
Toyota Tsusho Zillow X (Google X) KPMGIndustries
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14
$25,000+50 - 249 employeesPhiladelphia, PAEstablished in 2014, INOXOFT is a custom software development company. They are located in Philadelphia, Pennsylvania; L'viv, Ukraine and Newark, Delaware and have a midsize team. Their services include Custom Software Development, Web Development, and Mobile App Development.Read More
Clients
TOSHIBA NIVEA Vestel ShelfIndustries
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15
$5,000+250 - 999 employeesHanoi, VietnamNewwave Solutions is a midsize Hanoi, Vietnam-based software development firm. They provide Custom Software Development, Mobile App Development, Blockchain, Web Design, and more and were established in 2011.Read More
Clients
UNDPIndustries
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16
$10,000+250 - 999 employeesNovi Sad, SerbiaVega IT is a midsize software development company. Founded in 2008, the firm is located in Novi Sad, Serbia; New York, New York and London, England. Their services include Custom Software Development, CRM consulting and SI, Mobile App Development, E-Commerce Development, and more.Read More
Industries
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$1,000+2 - 9 employeesBerlin, Germany
Established in 2022, Qlaunch is a small app development firm. Their services include mobile app development and web development. The firm is headquartered in Berlin, Germany.
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17
$10,000+250 - 999 employeesSofia, BulgariaLocated in Sofia, Bulgaria; Boston, Massachusetts and San Francisco, California, Accedia is a custom software development firm. Founded in 2012, the midsize team specializes in Custom Software Development, Web Development, Artificial Intelligence, Cybersecurity, and more.Read More
Clients
Alexander ForbesIndustries
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18
$10,000+50 - 249 employeesAtlanta, GASOLTECH is an IT staff augmentation company in Atlanta, Georgia and Key Largo, Florida. Established in 1998, the midsize team provides IT staff augmentation, Custom Software Development, CRM consulting and SI, and Mobile App Development.Read More
Clients
AdvancEDIndustries
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$10,000+250 - 999 employeesKropyvnytskyi, UkraineOnix-Systems is a Kropyvnytskyi, Ukraine-based custom software development firm. The midsize firm was founded in 2000. Their team provides Custom Software Development, ERP consulting and SI, AR/VR development, Artificial Intelligence, and more.Read More
Clients
Misterb&b HAAS James Smith Academy BetterMeIndustries
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20
$25,000+50 - 249 employeesL'viv, Ukraine
Founded in 2014, Temy is headquartered in Lviv, Ukraine with another location in Kyiv, Ukraine. With 76 employees, they provide mobile app development, e-commerce development, and web development services to midmarket and small businesses.
Clients
LesaraIndustries
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21
$25,000+50 - 249 employeesGrand Rapids, MIFounded in 2001, Atomic Object is a custom software development firm and mobile app development firm. The firm provides Custom Software Development and Mobile App Development and has a midsize team.Read More
Industries
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22
$50,000+1,000 - 9,999 employeesSan Francisco, CA
Founded in 2009, BairesDev is a large software development firm. Their services include Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more. The firm is in San Francisco, California; Buenos Aires, Argentina; Sao Paulo, Brazil and Ciudad de México, Mexico.
Clients
GoogleIndustries
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23
$25,000+250 - 999 employeesTampa, FL
KitRUM is a software engineering company that was founded in 2014. The company is headquartered in Clearwater, Fla., with secondary locations in Krakow, Poland and Kharkov, Ukraine. They are made up of 49 employees. They specialize in AR/VR development, IoT development, and mobile app development.
Industries
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24
$75,000+250 - 999 employeesCharlotte, NCDualboot Partners, a custom software development company, was founded in 2018. The agency offers Custom Software Development, Web Development, UX/UI Design, cloud consulting & SI, and more and has a midsize team. The agency is based in Charlotte, North Carolina; Raleigh, North Carolina and Montevideo, Uruguay.Read More
Clients
DebtBookIndustries
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25
$25,000+50 - 249 employeesLimassol, CyprusYou are launched is a midsize mobile application development company. Launched in 2016, the company is based in Limassol, Cyprus; Columbia, South Carolina; Dnipro, Ukraine and Kraków, Poland. Their 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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$25,000+50 - 249 employeesPoznań, PolandMerixstudio is a custom software development company and web development firm. The midsize Poznań, Poland-based team specializes in Custom Software Development and Web Development. The firm was established in 1999.Read More
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$25,000+1,000 - 9,999 employeesOrlando, FLCustom software development company Simform was founded in 2010. The agency specializes in Custom Software Development, Artificial Intelligence, cloud consulting & SI, Mobile App Development, and more and has a large team.Read More
Clients
RedbullIndustries
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$10,000+50 - 249 employeesPoznań, PolandApzumi, a software development company, was launched in 2013. They are located in Poznań, Poland; Suhl, Germany and Minneapolis, Minnesota and have a midsize team. Apzumi offers Custom Software Development, Mobile App Development, and AR/VR development.Read More
Clients
Duke UniversityIndustries
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$50,000+50 - 249 employeesWarszawa, PolandGeniusee is a software development firm. They specialize in Custom Software Development, Web Development, cloud consulting & SI, and Artificial Intelligence and were founded in 2017. Their midsize team is Middletown, Delaware-based.Read More
Clients
Scout and Drum Technologies Inc. (startups from founders of the FinTech unicorn Kabbage acquired by Amex)Industries
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