Top 100 React Developers
The Best of September 2026Looking for a top React development company?
React is a JavaScript library used to develop user interfaces. It's often used in web development but can be applied to mobile app development as well. Since React is a JavaScript library, make sure the development companies you vet have verified experience with JavaScript.
That's why we've created this list of the best React development companies for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.
List of the Best React Developers
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121$50,000+50 - 249 employeesL'viv, UkraineWebsite development firm Kindgeek was established in 2013. The firm focuses on Web Development, Mobile App Development, and Custom Software Development and has a midsize team.Read More
Clients
University of BaselIndustries
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122$10,000+1,000 - 9,999 employeesSouthborough, MATrigent Software - AI Development is an AI Agents company headquartered in Southborough, Massachusetts and Bengaluru, India. The large team offers AI Agents, BI & big data consulting & SI, Enterprise App Modernization, Custom Software Development, and more and was launched in 1995.Read More
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NavistarIndustries
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123$10,000+10 - 49 employeesWarszawa, PolandThe Story | AI Development + User Experience is a small UX company. Launched in 2009, the company is headquartered in Warszawa, Poland; Boston, Massachusetts and München, Germany. Their services include UX/UI Design, Web Development, Product Design, and Search Engine Optimization.Read More
Clients
KCR Clinical SolutionsIndustries
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124$50,000+250 - 999 employeesPoznań, PolandRead More
Netguru is a custom software development firm. They are based in Poznań, Poland and have a midsize team that specializes in Custom Software Development, Web Development, Mobile App Development, Web Design, and more. The agency was founded in 2008.
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UBSIndustries
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125$10,000+10 - 49 employeesBrooklyn, NYFive Jars, a website development company, is headquartered in Brooklyn, New York; Warszawa, Poland and Arlington, Virginia. Founded in 2017, the small team offers Web Development, Web Design, Mobile App Development, and Artificial Intelligence.Read More
Clients
George Washington’s Mount VernonIndustries
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126$10,000+50 - 249 employeesWarszawa, PolandLaunched in 2013, Rubyroid Labs is a software development firm. The company focuses on Custom Software Development, Artificial Intelligence, Web Development, Mobile App Development, and more and has a midsize team.Read More
Clients
Volvo, Mastercard, Zeitview, Teachable, Sail Croatia, Volition, Big Purple DotIndustries
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127$10,000+50 - 249 employeesGdańsk, PolandRead More
Scalac, Inc. is a software house located in San Francisco and in Gdańsk, Poland. Founded in 2014, they employ 123 staff experienced with a wide range of technology consulting services (mainly Scala, Akka, ZIO, Spark, Flink, Kafka, Hadoop, GraphQL, Python, AWS, Kubernetes, Vue.js, React.js, Angular). They work with a range of companies in finance, IT, ad tech, e-commerce, and gaming.
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SAPIndustries
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128$25,000+50 - 249 employeesPlano, TXLaunched in 2010, Agency Partner Interactive LLC is a midsize software development company. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, Web Design, and more. The firm is located in Plano, Texas.Read More
Clients
Synergy Surgical Warrior Logistics Goodwill Industries of Dallas Inc. Access Professional SystemsIndustries
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129$25,000+50 - 249 employeesKraków, PolandDBB Software is an AI development company. They are in Kraków, Poland and Dnipro, Ukraine and have a midsize team that specializes in Artificial Intelligence, Custom Software Development, E-Commerce Development, Mobile App Development, and more. The company was launched in 2015.Read More
Clients
JLL Akamai DispatchHealth DoctifyIndustries
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130$50,000+50 - 249 employeesAlpharetta, GARead More
Headquartered in Chicago, Duo Consulting is a web design and development agency that prides itself on transparency and strategy. Founded in 1999, Duo Consulting now has a team of 30+ that offers UX design, Drupal development, cloud-based API's, visual design, and content marketing.
Clients
Chicago Botanic Garden - Mediacurrent worked with the Garden to integrate a new ecommerce platform with the website. Verizon - Mediacurrent made key updates and created a user friendlyIndustries
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131$25,000+50 - 249 employeesMontevideo, UruguayInfuy is a Montevideo, Uruguay-based IT staff augmentation company. The midsize company was launched in 2007. Their team offers IT staff augmentation, Web Development, Mobile App Development, Blockchain, and more.Read More
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132$10,000+250 - 999 employeesKarur, IndiaMallow Technologies Private Limited is a midsize software development firm. They offer Custom Software Development, Web Development, Artificial Intelligence, AI Agents, and more and were established in 2010. The firm is in Karur, India; London, England and Eachanari, India.Read More
Clients
FleetRover Karur Vysya Bank Gist Agent MethodsIndustries
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133$25,000+250 - 999 employeesGliwice, PolandEstablished in 2000, Future Processing is a custom software development company. The midsize team provides Custom Software Development, cloud consulting & SI, AI Consulting, Artificial Intelligence, and more. The agency is based in Gliwice, Poland; Ternopil, Ukraine; London, England and Düsseldorf, Germany.Read More
Clients
AllocateIndustries
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134$25,000+250 - 999 employeesPoznań, PolandApriorit, a custom software development company, is headquartered in Lynn, Massachusetts; Poznań, Poland; Dnipro, Ukraine and Nicosia, Cyprus. The midsize team specializes in Custom Software Development, Cybersecurity, IoT development, Artificial Intelligence, and more and was established in 2002.Read More
Clients
Fortune 500 security solution vendorsIndustries
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135$10,000+10 - 49 employeesLondon, EnglandRead More
Plug & Play is a UX/UI agency based in London and Surrey. Founded in 2007, they are specialists in user experience and user interface design for software, websites and custom applications. They also have a front-end development service to support clients with the design implementation. Plug & Play work across a number of sectors with their clients ranging from funded startups to large corporations such as Legal & General.
Clients
WWF Powerleague Give A Grad A Go RSL AwardsIndustries
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136$10,000+1,000 - 9,999 employeesMiami, FLBacancy Technology is a Miami, Florida-based website development firm. The large team provides Web Development, Artificial Intelligence, Custom Software Development, cloud consulting & SI, and more and was established in 2011.Read More
Clients
All I WantIndustries
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137Undisclosed50 - 249 employeesWrocław, PolandMidsize application development firm Callstack, is based in Wrocław, Poland. Established in 2016, the team specializes in Mobile App Development and Web Development.Read More
Clients
ExpensifyIndustries
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138$10,000+10 - 49 employeesMontevideo, UruguayRead More
Mobile application development company Vangwe was founded in 2020. Their small team is headquartered in Montevideo, Uruguay. Their services include mobile app development, web development, e-commerce development, and product design.
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139$25,000+250 - 999 employeesPleasanton, CAAltoros is a midsize Blockchain company. Founded in 2001, the firm is based in Pleasanton, California; Buenos Aires, Argentina; Oslo, Norway and Helsinki, Finland. Their team offers Blockchain, Custom Software Development, Web Development, Enterprise App Modernization, and more.Read More
Clients
AllstateIndustries
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140$10,000+250 - 999 employeesAhmedabad, IndiaESparkBiz is a custom software development firm. They specialize in Custom Software Development, IT staff augmentation, Artificial Intelligence, cloud consulting & SI, and more and were launched in 2010. Their midsize team is Ahmedabad, India-based.Read More
Clients
T-MobileIndustries
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141$10,000+50 - 249 employeesGreenwood, INApptechies is a midsize mobile app development company. Headquartered in Austin, Texas; London, England and Greenwood, Indiana, the agency was founded in 2018. Their team specializes in Mobile App Development, Web Development, and Custom Software Development.Read More
Clients
LocumBoxIndustries
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142$10,000+10 - 49 employeesBydgoszcz, PolandRead More
Founded in 2017, Wise People is a design and development firm. Their team of around 5 employees is based in Bydgoszcz, Poland. They focus on UI/UX design, web development, and social media marketing.
Clients
Tigers.plIndustries
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143$25,000+50 - 249 employeesLas Palmas de Gran Canaria, SpainLasting Dynamics is a midsize app development company. Founded in 2015, the company is headquartered in Torre del Greco, Italy and Las Palmas de Gran Canaria, Spain. Their team offers Mobile App Development, Web Development, Artificial Intelligence, Custom Software Development, and more.Read More
Clients
Sunrise.chIndustries
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144$25,000+50 - 249 employeesL'viv, UkraineRead More
DotCode is a design and development company based in Lviv, Ukraine, and founded in 2018. Their team of more than 10 provides web development, web design, and e-commerce development solutions for clients in the fields of hospitality, advertising, and financial services.
Clients
Ply LCM Digital Fly Jets ThriveIndustries
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145$5,000+10 - 49 employeesApex, NCSoftware development firm RoleModel Software is headquartered in Apex, North Carolina and Menomonie, Wisconsin. The small firm was founded in 1997. Their team specializes in Custom Software Development, Web Development, UX/UI Design, and Mobile App Development.Read More
Clients
C12 GroupIndustries
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146$10,000+10 - 49 employeesSt. Petersburg, FL2muchcoffee is a web development company. They are in St. Petersburg, Florida; Kyiv, Ukraine and Zaporizhzhia, Ukraine and have a small team that offers Web Development, UX/UI Design, Artificial Intelligence, and Mobile App Development. The firm was launched in 2015.Read More
Clients
Stepler - #1 Swedish Fitness AppIndustries
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147$5,000+50 - 249 employeesLondon, EnglandAspectus is a midsize branding firm. The London, England-based company was established in 2008. Their team focuses on Branding, Public Relations, Search Engine Optimization, Web Design, and more.Read More
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148$1,000+50 - 249 employeesMiami, FLRead More
Launched in 2002, UO Solutions is a midsize digital strategy company. Their services include digital strategy, search engine optimization, web design, ecommerce marketing, and more. The agency is located in Miami, Florida and Dallas, Texas.
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149$50,000+250 - 999 employeesWarszawa, PolandIT staff augmentation company GLOBALDEV is headquartered in Wilmington, Delaware; Warszawa, Poland; Vinnytsia, Ukraine and Kadima Zoran, Israel. The midsize company was launched in 2011. Their team offers IT staff augmentation, Custom Software Development, Artificial Intelligence, AI Consulting, and more.Read More
Clients
Budget Thuis Gentrack Teva Tyler TechnologiesIndustries
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150$25,000+50 - 249 employeesWarszawa, PolandMobile app development firm Orangesoft is based in Warszawa, Poland; Sheridan, Wisconsin and San Francisco, California. The midsize company was established in 2011. Their team offers Mobile App Development, Custom Software Development, Web Development, and IoT development.Read More
Clients
Hamleys Yukon Advanced Optics Worldwide CoachNow Liquid BarcodesIndustries
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