Top 100 Startup App Developers
The Best of December 2025Looking for a top Startups mobile app developer?
As mobile solutions become increasingly vital to business success, your choice of app developer carries added significance. Searching for and vetting potential partners can be an exhausting process.
Check out our directory of Startup mobile app 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 Startup Mobile App Development Companies
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31$5,000+50 - 249 employeesKyiv, UkraineRead More
ROCKETECH is a software development firm based in Kyiv, Ukraine; Singapore; London, England and San Francisco, California. The midsize team focuses on Custom Software Development, Mobile App Development, UX/UI Design, IT staff augmentation, and more and was founded in 2015.
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GalamartIndustries
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32$25,000+50 - 249 employeesVinta Software is a midsize web development company launched in 2012. Their services include Web Development and Mobile App Development. The company is headquartered in San Francisco, California.Read More
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33$25,000+50 - 249 employeesCluj-Napoca, RomaniaHalcyon Mobile is a midsize application development company. Launched in 2005, the agency is based in New York, New York and Cluj-Napoca, Romania. Their team provides Mobile App Development, Artificial Intelligence, Web Development, UX/UI Design, and more.Read More
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LEGO Systems A/S SigFig Rubicon EzraIndustries
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34$10,000+50 - 249 employeesNew York, NYThoughtbot, a web development firm, is located in New York, New York and London, England. They focus on Web Development, Mobile App Development, UX/UI Design, cloud consulting & SI, and more and were launched in 2003.Read More
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Health Match 360Industries
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35$10,000+10 - 49 employeesLondon, EnglandBased in London, England; Plymouth, England; Edinburgh, Scotland and Manchester, England, Coreblue is a custom software development firm. The small team offers Custom Software Development, Mobile App Development, IT strategy consulting, Low/No Code Development, and more. The agency was established in 2015.Read More
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Bank of Kigali Executive Nexus ProConveyIndustries
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36$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
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DPD Mangopay PENNEO A/S LEGOIndustries
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37$25,000+250 - 999 employeesMiami, FLRead More
Custom software development firm Emerline was founded in 2011. They are in Miami, Florida; Wrocław, Poland; Vilnius, Lithuania and Heidelberg, Germany and have a midsize team. Emerline provides Custom Software Development, Artificial Intelligence, Mobile App Development, cloud consulting & SI, and more.
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38$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
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Sony Mastercard AGP CBNIndustries
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39$10,000+10 - 49 employeesLNOKS, an app development firm, was founded in 2022. Their small team is in Tallinn, Estonia and provides Mobile App Development, Web Development, and Artificial Intelligence.Read More
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AuthorPilot Videopoint.ai InstantResponse.ai HostEasy.aiIndustries
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40$25,000+50 - 249 employeesLondon, EnglandRead More
Located in London, England; Sydney, Australia and Sunny Isles Beach, Florida, Magora is a software development company. The midsize team specializes in Custom Software Development, Mobile App Development, Web Development, Artificial Intelligence, and more. The agency was launched in 2010.
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DanoneIndustries
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41$10,000+50 - 249 employeesAtlanta, GAIntuitio Labs is a custom software development firm in Atlanta, Georgia; Reading, Massachusetts; Bradenton, Florida and Martínez, Argentina. The midsize agency was founded in 2018. Their services include Custom Software Development, UX/UI Design, Mobile App Development, and Web Development.Read More
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TmroIndustries
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42$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.
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DebtBookIndustries
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43$25,000+50 - 249 employeesWarszawa, PolandRead More
Founded in 2009, 10Clouds is a software development company. Their midsize team is headquartered in Warszawa, Poland; Poznań, Poland; Wrocław, Poland and Novi, Michigan. Their team focuses on Custom Software Development, Mobile App Development, Artificial Intelligence, Generative AI, and more.
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Emergent TechnologyIndustries
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44$5,000+50 - 249 employeesPlano, TXRead More
Agency Partner Interactive LLC is a custom software development firm established in 2010. The firm focuses on Custom Software Development, Web Design, Mobile App Development, Web Development, and more and has a midsize team.
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Parks Associates Warrior Logistics Zodiac Maevn OutletIndustries
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45$50,000+50 - 249 employeesTallinn, EstoniaRead More
Riseapps is a midsize software development company. Founded in 2016, the company is located in Tallinn, Estonia; Lake Mary, Florida; Warszawa, Poland and Gdańsk, Poland. Their services include Custom Software Development, Artificial Intelligence, Mobile App Development, and Generative AI.
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46$5,000+10 - 49 employeesRead More
Sysmetica LLC, a mobile application development company, is based in Warszawa, Poland. The small team provides Mobile App Development, Custom Software Development, UX/UI Design, and Web Development and was launched in 2021.
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Huma Airwave GameSchoolIndustries
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47$10,000+250 - 999 employeesStuttgart, GermanyRead More
Launched in 2000, *instinctools is a software development company. The midsize team specializes in Custom Software Development, Web Development, IT strategy consulting, Mobile App Development, and more. The firm is in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware.
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Daimler Fujitsu Nostrum SpexAIIndustries
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48$50,000+50 - 249 employeesSanta Monica, CARead More
Sidebench is a strategy, design, and development consultancy with a team of 70+ experts headquartered in Los Angeles. Founded in 2012, Sidebench caters to enterprise companies and new ventures seeking the management consultants & experienced founders, the technical chops of systems architects, and a UX-first approach. Sidebench provides app and web development, UX/UI design, web design, and app testing via a fully integrated product delivery team.
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Microsoft CorporationIndustries
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49$10,000+50 - 249 employeesNew Delhi, IndiaSoftware development company TechnoYuga Soft Pvt. Ltd. Was founded in 2019. Their midsize team is located in New Delhi, India; Surat, India; Toronto, Canada and Orland Park, Illinois. TechnoYuga Soft Pvt. Ltd. Specializes in Custom Software Development, Mobile App Development, Artificial Intelligence, and UX/UI Design.Read More
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Gfacility Akasha Air mfine DecathlonIndustries
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50$25,000+10 - 49 employeesBogotá, ColombiaRead More
Founded in 2020, Leanware is an IT staff augmentation company. In Bogotá, Colombia and Miami, Florida, their small team provides IT staff augmentation, Custom Software Development, Mobile App Development, AI Consulting, and more.
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51$75,000+50 - 249 employeesNew York, NYRead More
BlueLabel is an AI Consulting company. Established in 2009, the midsize company is headquartered in New York, New York; Redmond, Washington and San Francisco, California. Their team provides AI Consulting, Generative AI, Artificial Intelligence, Product Design, and more.
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Bloomberg NewsIndustries
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52$50,000+10 - 49 employeesMar del Plata, ArgentinaRead More
XOOR is a software development company based in Mar del Plata, Argentina. It was founded in 2017 and now employs a team of 6 that provides web , e-commerce development, and custom software development services. Though they work primarily with small businesses, they also have experience partnering with mid-market outfits.
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Boundary DigitalIndustries
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53$10,000+50 - 249 employeesWarszawa, PolandRead More
Fulcrum, a software development firm, was founded in 2018. They are based in Warszawa, Poland; Sheridan, Wyoming and Kyiv, Ukraine and have a midsize team. Their services include Custom Software Development, Artificial Intelligence, Web Development, Mobile App Development, and more.
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Mercedes website (Mercedes Car Dealership in Ukraine)Industries
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54$10,000+10 - 49 employeesBoca del Río, MexicoRead More
Ehecatl is a development company in Veracruz, Mexico. Founded in 2009, they have about 15 employees that serve mostly enterprise and small-business clients in the business, education, and IT sectors. Services include mobile app development, custom software development, and web development.
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Hutchinson Ports HoldingIndustries
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55$10,000+50 - 249 employeesSunny Isles Beach, FLRead More
Symfa is a Sunny Isles Beach, Florida-based custom software development company. Launched in 2008, the midsize team provides custom software development, Artificial Intelligence, and blockchain.
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56$10,000+50 - 249 employeesSan Francisco, CAAzumo, an artificial intelligence company, was established in 2016. Their midsize team is headquartered in San Francisco, California and Rosario, Argentina. The firm provides Artificial Intelligence, Custom Software Development, Mobile App Development, and BI & big data consulting & SI.Read More
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Twitter Facebook Omnicom Discovery ChannelIndustries
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57$5,000+1,000 - 9,999 employeesBiałystok, PolandRead More
Founded in 2004, Qburst is a product development and consulting company of 1300+ designers, developers, UX engineers, and business analysts. Headquartered in Trivandrum, India with offices in the UK, California, Virginia, and Poland, their team focuses on web, mobile, and cloud-based solutions of all sizes.
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United NationsIndustries
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58$10,000+50 - 249 employeesJaipur, IndiaRead More
Located in Commerce, California; Jaipur, India; Dubai, United Arab Emirates and Auckland, New Zealand, Dev Technosys is a midsize Blockchain company. Launched in 2010, the team provides Blockchain, Web Development, Mobile App Development, and IT staff augmentation.
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astonmartin Handy Nike RAK CeramicsIndustries
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59$25,000+10 - 49 employeesNew York, NYSavas Labs is a small web development company founded in 2013. Their services include Web Development, Web Design, UX/UI Design, Custom Software Development, and more. The agency is located in New York, New York; San Francisco, California; Boston, Massachusetts and Washington, District of Columbia.Read More
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Harvard University Environmental Defense Fund Adobe NPRIndustries
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60$10,000+50 - 249 employeesLondon, EnglandCustom software development firm Studio Graphene is based in London, England; Genève, Switzerland and Lisboa, Portugal. The firm provides Custom Software Development, Mobile App Development, Artificial Intelligence, UX/UI Design, and more and is midsize.The firm was launched in 2014.Read More
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DiageoIndustries
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