Top 100 Ad Agencies Software Development Companies
The Best of December 2025Looking 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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$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
Industries
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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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91$10,000+50 - 249 employeesKyiv, UkraineOVERCODE is a web development firm established in 2018. The agency specializes in Web Development, Mobile App Development, Web Design, UX/UI Design, and more and has a midsize team.Read More
Clients
SignifAI (New Relic)Industries
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92$25,000+10 - 49 employeesPortland, ORRead More
From Portland, OR, Planet Argon was founded in 2002. Although they focus on web development, the team of 16 also excels in e-commerce and custom software development, design, analytics, and strategy.
Clients
DisneyIndustries
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93$5,000+10 - 49 employeesStockholm, SwedenRead More
Slashdev is a small custom software development firm based in Winter Park, Florida; London, England; Stockholm, Sweden and San Diego, California. They specialize in Custom Software Development, Web Development, Mobile App Development, IT staff augmentation, and more and were founded in 2020.
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94$5,000+250 - 999 employeesWeb development firm GetDevDone was established in 2005. Their midsize team is headquartered in San Francisco, California and focuses on Web Development, Custom Software Development, E-Commerce Development, Mobile App Development, and more.Read More
Clients
Havas AARP Discovery RedbullIndustries
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95$50,000+50 - 249 employeesL'viv, UkraineIntelliarts is a L'viv, Ukraine-based AI firm. The midsize team specializes in Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, and AI Consulting. The agency was established in 1999.Read More
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HubSpotIndustries
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96$10,000+10 - 49 employeesBuenos Aires, ArgentinaRead More
The development company, The App Master, was founded in 2009 in Buenos Aires, Argentina and now has a team of 13. The App Master offers various IT services to their clients including mobile app development, custom software development, and UX/UI design. Although the company has worked with many industries, it works most often in advertising/marketing, business services, and consumer products/services.
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DanoneIndustries
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97$10,000+50 - 249 employeesRaleigh, NCByteridge is an application development firm. They offer Mobile App Development and Custom Software Development and were launched in 2008. The firm is located in Raleigh, North Carolina and Hyderabad, India.Read More
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98$25,000+50 - 249 employeesLondon, EnglandRead More
Tech Alchemy is a software development studio based in London. Founded in 2016, they have around 150 employees who provide startups and small to medium-sized businesses with custom software development, blockchain development, and web & mobile app design and development. Services include prototyping, discovery, MVP development, and Web3 digital transformation
Clients
Ocean BottleIndustries
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99$10,000+50 - 249 employeesSaltillo, MexicoClickIT is an IT staff augmentation company. Established in 2014, the midsize company is located in Saltillo, Mexico and Beverly Hills, California. Their services include IT staff augmentation, Custom Software Development, Artificial Intelligence, DevOps Managed Services, and more.Read More
Clients
TicketboothIndustries
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100$25,000+10 - 49 employeesKyiv, UkraineLember is a small custom software development company in Kyiv, Ukraine; New York, New York; Edgecliff, Australia and Stockholm, Sweden. Launched in 2013, the team focuses on Custom Software Development, UX/UI Design, Web Development, Mobile App Development, and more.Read More
Clients
3PL Fulfilment docStribute OnePage CRM Persuasion SystemsIndustries
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101$1,000+10 - 49 employeesLondon, EnglandAR/VR development company Takeaway Reality was launched in 2020. The small London, England-based team specializes in AR/VR development, Custom Software Development, Business Consulting, Web Development, and more.Read More
Clients
Microsoft FordIndustries
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102$10,000+50 - 249 employeesKyiv, UkraineRead More
DATAFOREST is a business intelligence company. Established in 2018, the midsize agency is located in Kyiv, Ukraine and Tallinn, Estonia. Their services include BI & big data consulting & SI, Artificial Intelligence, Custom Software Development, AI Consulting, and more.
Clients
AM TradingIndustries
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103$5,000+50 - 249 employeesAhmedabad, IndiaCloud consulting & SI company Brilworks Software was established in 2019. Located in Ahmedabad, India, their midsize team provides cloud consulting & SI, Custom Software Development, Mobile App Development, Artificial Intelligence, and more.Read More
Industries
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104$10,000+10 - 49 employeesCastelldefels, SpainUnimedia Technology is a software development company. Located in Castelldefels, Spain, their small team focuses on Custom Software Development, Artificial Intelligence, Web Development, AI Agents, and more. The firm was launched in 2017.Read More
Clients
ZellarIndustries
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105$5,000+10 - 49 employeesEsfera is a Los Angeles, California-based software development firm. The small agency was founded in 2021. Their services include Custom Software Development, Web Development, Artificial Intelligence, and UX/UI Design.Read More
Industries
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106$50,000+2 - 9 employeesMarina del Rey, CARead More
Wildebeest is a California-based agency that specializes in app development, software development, and web design. With less than 50 members on staff, the agency delivers custom web and software solutions for their clients.
Clients
GoogleIndustries
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107$10,000+50 - 249 employeesDunwoody, GARead More
Band of Coders is a development agency with offices in Atlanta, Milwaukee, Bellingham, Wash., and Canada. Since 2003, the agency and its team of about 40 has been specializing in mobile app development, web development, and custom software development.
Clients
PSA North America, IncIndustries
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108$1,000+1,000 - 9,999 employeesRoseville, CARead More
Zerocoder is a London, United Kingdom-based software development firm. The large firm was founded in 2023. Their services include custom software development, web development, mobile app development, web design, and more.
Industries
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109$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.
Clients
SuperPhone EveryBite bexio ExportOnlineIndustries
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110$25,000+10 - 49 employeesRead More
Forma-Pro is a full-stack development company based in Kharkiv, Ukraine. Founded in 2001, they have 44 employees specializing in complete packages for digital solutions and development services, including website, e-commerce and custom software. They work for a variety of small and mid-size businesses.
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FreightSeekerIndustries
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111$25,000+50 - 249 employeesRead More
Goldfish Code is a New York, New York-based artificial intelligence company. They offer Artificial Intelligence, Mobile App Development, Low/No Code Development, UX/UI Design, and more and were established in 2014.
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MicrosoftIndustries
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112$50,000+50 - 249 employeesNew York, NYRead More
Software development firm Lineate is based in New York, New York and T'bilisi, Georgia. Established in 2005, the midsize team provides Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Web Development, and more.
Clients
Sovrn 33Across Informa RosenIndustries
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113$50,000+10 - 49 employeesCosta Mesa, CATepia is a Costa Mesa, California-based mobile application development firm. The small agency was founded in 2012. Their services include Mobile App Development, IoT development, Custom Software Development, Web Development, and more.Read More
Industries
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114$1,000+1,000 - 9,999 employeesNew Delhi, IndiaSunTec India, a software development company, was launched in 1999. Their large team is in New Delhi, India; Laguna Beach, California and London, England. Their services include Custom Software Development, Digital Engineering, Social Media Marketing, Search Engine Optimization, and more.Read More
Clients
NielsenIndustries
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115$50,000+50 - 249 employeesLviv, UkraineRead More
Rolique is a web development agency that was founded in 2014. With offices in Lviv, Ukraine and Wroclaw, Poland, their team of 55 employees focuses on web development, web design, and mobile app development. Their clients are predominantly small businesses, mid-markets, and enterprises with industry concentrations in education, real estate, and retail.
Clients
4for4Industries
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116$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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117$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
Clients
K - Mail Order GmbH & Co. KGIndustries
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118$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
Industries
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119$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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120$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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