Top 100 Ad Agencies Software Development Companies
The Best of April 2026Looking for a top ad agency custom software developer?
Software developers own the process of transforming data into an organized structure for a product such as a mobile app or website. As you tackle complex development projects to grow your business, you'll need the right partner for your needs.
Check out our directory of Ad Agencies software development companies. Browse reviews and ratings and scan by industry or specialty to find the company that's the best fit for you.
List of the Best Advertising Agencies Custom Software Developers
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is an artificial intelligence firm founded in 2001. Their small team is in Medina, Washington and offers Artificial Intelligence, UX/UI Design, AI Consulting, Custom Software Development, and more.Read More
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121$25,000+10 - 49 employeesLondon, EnglandRead More
Theodo UK, founded in 2015, is a consultancy and digital development agency headquartered in London with an additional location in Paris. With a team of over 30 employees, they mainly provide mobile app development, web development, and custom software development services.
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AdmiralIndustries
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122$10,000+10 - 49 employeesNovi Sad, SerbiaRead More
LambdaWorks is a digital product agency founded in 2017 in Novi Sad, Serbia. With more than 10 members, they offer custom software development, UX/UI design, and IT consulting solutions to small and mid-market firms in the industries of advertising and e-commerce.
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SuperPhone EveryBite bexio ExportOnlineIndustries
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123$50,000+10 - 49 employeesHamburg, GermanySpaceteams GmbH is a small software development firm. The Hamburg, Germany-based agency was founded in 2020. Their team focuses on custom software development, e-commerce development, and business consulting.Read More
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K - Mail Order GmbH & Co. KGIndustries
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124$50,000+10 - 49 employeesSunnyvale, CADizzain is a Sunnyvale, California-based Performance Marketing company. The small firm was established in 2006. Their services include Performance Marketing, Marketing Strategy, Conversion Optimization, AI Agents, and more.Read More
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Skai™ I KenshooIndustries
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125$5,000+50 - 249 employeesNoida, IndiaRead More
AppSierra Solutions is a software testing company based in Noida, India, with an office in New Delhi. Founded in 2015, their team currently consists of less than 10 employees. They offer services in application testing, custom software development, and mobile app development. They primarily serve clients in the consumer products, e-commerce, and media industries.
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SwiggyIndustries
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126$5,000+10 - 49 employeesRead More
5w155 SA is an IT staff augmentation company headquartered in Genève, Switzerland. Founded in 2017, the small team offers IT staff augmentation and custom software development.
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127$10,000+50 - 249 employeesReston, VASTS Software, a custom software development company, was launched in 2021. Their midsize team is located in Reston, Virginia. Their services include Custom Software Development, IT strategy consulting, IT managed services, IT staff augmentation, and more.Read More
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128$1,000+2 - 9 employeesMississauga, CanadaCS Web Solutions is a SEO agency. They specialize in Search Engine Optimization, Web Design, Web Development, Custom Software Development, and more and were founded in 2015. The agency is headquartered in Mississauga, Canada and Mississauga, Canada.Read More
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129$25,000+50 - 249 employeesZürich, SwitzerlandRead More
Founded in 2008, Radity GmbH is a digital development company based in Zurich, Switzerland, with offices in Istanbul, Turkey, and Kiev, Ukraine. Their team of 12 employees specializes in web development, custom software development, and UX/UI design primarily for small business clients.
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SocotraIndustries
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130$25,000+50 - 249 employeesKyiv, UkraineRead More
Join.To.IT is a custom software and mobile app development firm based in Kyiv, Ukraine. Founded in 2012, their team of 200 serves clients in the hospitality, real estate, and automotive sectors. Services include PHP, JavaScript, and Linux development.
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OrcatecIndustries
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131$10,000+50 - 249 employeesOsijek, CroatiaGauss is a mobile application development firm. They offer Mobile App Development, Artificial Intelligence, E-Commerce Development, Custom Software Development, and more and were established in 2012. Their midsize team is in Osijek, Croatia; Osijek, Croatia and Zagreb, Croatia.Read More
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132$50,000+50 - 249 employeesMinneapolis, MNModern Tribe is a website development company. Launched in 2006, the team offers Web Development, Web Design, UX/UI Design, and Custom Software Development. Their midsize firm is Minneapolis, Minnesota-based.Read More
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Harvard UniversityIndustries
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133$5,000+50 - 249 employeesWarszawa, PolandRead More
Develtio is a Polish software house based in Warsaw and founded in 2016. They comprise five employees experienced in redefining software production through agile IT talent management and a quantitative approach to scoping projects. They specialize in the development and design of custom software and websites.
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BNP ParibasIndustries
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134$25,000+50 - 249 employeesPalo Alto, CARead More
Data Monsters is a big data analytics company headquartered in San Francisco, California and , Russia. Established in 2015, the midsize team focuses on BI & big data consulting & SI, custom software development, and Artificial Intelligence.
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NetAppIndustries
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135$5,000+10 - 49 employeesŁódź, PolandFounded in 2022, Lowgular is a software development firm. The small team focuses on Custom Software Development, Web Development, IT strategy consulting, IT staff augmentation, and more. The firm is headquartered in Łódź, Poland and Rio de Janeiro, Brazil.Read More
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eSky GroupIndustries
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136$5,000+50 - 249 employeesT'bilisi, GeorgiaIn T'bilisi, Georgia, AKDev Group is a custom software development company. Founded in 2017, the midsize team offers Custom Software Development, Web Development, Mobile App Development, and IoT development.Read More
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137$1,000+10 - 49 employeesAhmedabad, IndiaIn Ahmedabad, India; Brooklyn, New York; Hamilton, Canada and Fairfield, Australia, 21Twelve Interactive is a mobile app development company. They offer Mobile App Development, Search Engine Optimization, Pay Per Click, Custom Software Development, and more and were founded in 2017.Read More
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ProspuhIndustries
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138$25,000+50 - 249 employeesBoston, MASumatoSoft is a software development company. They are based in Boston, Massachusetts; Warsaw, Poland and Tbilisi, Georgia and have a midsize team that offers Custom Software Development, IoT development, Artificial Intelligence, Generative AI, and more. The company was established in 2012.Read More
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The World Bank Beiersdorf Toyota Dexai RoboticsIndustries
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139$5,000+50 - 249 employeesCherkasy, UkraineSoftware Planet Group is a Guildford, England-based software development company. The midsize team provides Custom Software Development, Web Development, Mobile App Development, Enterprise App Modernization, and more. The company was founded in 2000.Read More
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Green Light MedicalIndustries
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140$10,000+50 - 249 employeesPoznań, PolandRead More
Bitnoise is a digital development company based in Poznań, Poland. They were founded in 2009 and have a team of 17 employees. They specialize in web development, mobile app development, and application management for small business and midmarket clients.
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Luxus HelsinkiIndustries
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141$5,000+10 - 49 employeesBengaluru, IndiaRorko is a website development firm founded in 2011. They are in Bengaluru, India and Ronkonkoma, New York and have a small team. The agency offers Web Development, Web Design, Custom Software Development, UX/UI Design, and more.Read More
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142$10,000+10 - 49 employeesL'viv, UkraineEchoGlobal is an IT staff augmentation company. Established in 2013, the small firm is based in Tallinn, Estonia; L'viv, Ukraine; Kraków, Poland and București, Romania. Their team specializes in IT staff augmentation, Staffing, Recruiting, Custom Software Development, and more.Read More
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143Undisclosed50 - 249 employeesWarszawa, PolandRead More
Silk Software House is a development company based in Warsaw that was founded in 2013. They primarily work with mid-market clients on web, software, and mobile app development.
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GarageStore sp. z o.o.Industries
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144$10,000+10 - 49 employeesYerevan, ArmeniaFounded in 2015, BeeWeb is a software development firm. They are in Yerevan, Armenia and Dover, Delaware and have a small team. Their services include Custom Software Development, Artificial Intelligence, Web Development, and Mobile App Development.Read More
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Fitness NationIndustries
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145$10,000+50 - 249 employeesKraków, PolandIT staff augmentation company Incode Group is located in Kraków, Poland. The midsize team specializes in IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more and was launched in 2023.Read More
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ProprHomeIndustries
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146$10,000+50 - 249 employeesBerlin, GermanySloboda Studio is an IT staff augmentation company. The midsize Berlin, Germany-based company was founded in 2010. Their team specializes in IT staff augmentation, Artificial Intelligence, IoT development, Custom Software Development, and more.Read More
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HuggiesIndustries
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147$10,000+50 - 249 employeesPoznań, PolandRead More
Appunite is a custom software development company. The midsize Poznań, Poland-based team specializes in Custom Software Development, Web Development, Mobile App Development, Web Design, and more. The agency was launched in 2010.
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FishbrainIndustries
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148$10,000+10 - 49 employeesKyiv, UkraineRead More
SOFTXAPP is a software development firm. Founded in 2020, the team offers custom software development, mobile app development, product design, web development, and more. Their small company is in Lviv, Ukraine.
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PravosudIndustries
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149$10,000+50 - 249 employeesNew York, NYLaunched in 2007, 7L International 🇺🇸 🇬🇧 🇪🇺 is a midsize user experience design company. Their services include UX/UI Design, Product Design, Custom Software Development, Mobile App Development, and more. The company is headquartered in New York, New York; London, England and Athina, Greece.Read More
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NYSE United Nations CareLink360 TikTokIndustries
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150$5,000+50 - 249 employeesNew Delhi, IndiaRead More
ScaleupAlly is a software company based in New Delhi and founded in 2018. With over 10 members, they specialize in big data consulting, custom software development, and web development solutions for various clients.
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HaanIndustries
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