Top 100 Startup App Developers
The Best of June 2026Looking 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$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
Clients
LEGO Systems A/S SigFig Rubicon EzraIndustries
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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$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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34$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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35$10,000+250 - 999 employeesNew York, NYCleveroad is a midsize software development firm. They offer Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more and were established in 2011.Read More
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DPD - A leading international parcel delivery network, DPD delivers millions of packages daily. Operating across Europe and worldwide, they combine innovative technology and local knowledge to provide flexible, efficient logistics solutions. Codex Labs - A pioneering biotech and skintech company developing clinically proven, plant-based solutions for dermatological health. They leverage data-driven science, AI skin imaging, and advanced microbiome research to disrupt global wellness markets. Mangopay - A flexible, modular payment infrastructure provider designed specifically for marketplaces and platforms. They offer end-to-end payment payouts, compliance tools, and escrow solutions to streamline complex global digital transactions. PENNEO A/S - A prominent Scandinavian SaaS company specializing in digital identity, secure e-signatures, and KYC workflow automation. They enable heavily regulated industries to streamline client onboarding while meeting strict compliance standards.Industries
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36$25,000+250 - 999 employeesWhite Plains, NYFingent is a software development company. Established in 2003, the team provides Custom Software Development, Artificial Intelligence, Web Development, and Mobile App Development. Their midsize firm is in White Plains, New York; Dubai, United Arab Emirates; Kochi, India and Melbourne, Australia.Read More
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Sony Mastercard AGP CBNIndustries
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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+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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39$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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40$10,000+250 - 999 employeesStuttgart, GermanyFounded in 2000, Instinctools is a midsize big data analytics company based in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware. Their services include BI & big data consulting & SI, IT staff augmentation, Custom Software Development, Web Development, and more.Read More
Clients
Daimler Fujitsu Nostrum SpexAIIndustries
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41$5,000+50 - 249 employeesPlano, TXAgency Partner Interactive LLC, a mobile application development company, is headquartered in Plano, Texas. Launched in 2010, the midsize team focuses on Mobile App Development, Custom Software Development, E-Commerce Development, Web Design, and more.Read More
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Parks Associates Warrior Logistics Zodiac Maevn OutletIndustries
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42$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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43$50,000+50 - 249 employeesLos Angeles, CARead More
Sidebench is a healthcare product design and software engineering studio founded in 2012 in Los Angeles. With a mid-sized team and enterprise delivery capabilities, we partner with providers, payers and health-tech startups to build HIPAA-minded platforms, patient engagement, EHR interoperability and legacy modernization that reduce data silos and enable real-time clinical workflows.
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Microsoft CorporationIndustries
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44$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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45$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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46$75,000+50 - 249 employeesNew York, NYBlueLabel is a midsize AI Consulting company headquartered in New York, New York; Redmond, Washington and San Francisco, California. Established in 2009, the team provides AI Consulting, Generative AI, Artificial Intelligence, Product Design, and more.Read More
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Bloomberg NewsIndustries
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47$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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48$25,000+50 - 249 employeesPrague, Czech RepublicBased in Prague, Czech Republic, OAKS LAB is a custom software development company. The agency provides Custom Software Development, Web Development, Artificial Intelligence, IT staff augmentation, and more and is midsize.The agency was launched in 2016.Read More
Clients
Blue Owl Productboard Nasdaq Private Market Blackpoint CyberIndustries
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49$1,000+50 - 249 employeesMcKinney, TXRead More
UX agency Darly Solutions is in McKinney, Texas; Boryspil', Ukraine and Warszawa, Poland. The midsize company was established in 2016. Their services include UX/UI Design, Web Design, Product Design, IT staff augmentation, and more.
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NewsletterIndustries
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50$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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51$25,000+250 - 999 employeesPalo Alto, CARead More
Reinvently is a mobile strategy and app development agency in Palo Alto, Calif. and Dallas. With a team of about 43 employees, the agency specializes in UI/UX design, research and consulting, and engineering.
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Men's WearhouseIndustries
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52$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
Clients
Harvard University Environmental Defense Fund Adobe NPRIndustries
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53$10,000+250 - 999 employeesIT CRAFT is a midsize IT staff augmentation company. The Berlin, Germany-based agency was established in 2001. Their services include IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more.Read More
Clients
Nando’s Arctieval Adorama MyCarrierIndustries
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54$10,000+10 - 49 employeesRaftLabs is a mobile application development firm. Their small team is headquartered in Dublin, Ireland; Ahmedabad, India and Los Angeles, California. The company focuses on Mobile App Development, Custom Software Development, Artificial Intelligence, Web Development, and more.Read More
Clients
Aldi Instantor Energia VodafoneIndustries
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55$25,000+10 - 49 employeesLisboa, PortugalAltar.io is a custom software development firm. Their small team is located in Lisboa, Portugal and London, England and provides Custom Software Development, Artificial Intelligence, Mobile App Development, Product Design, and more. The firm was founded in 2015.Read More
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56$10,000+10 - 49 employeesIstanbul, TürkiyeRead More
Brew Interactive is an interactive agency in Istanbul, Turkey. Founded in 2009, Brew Interactive's team of 10 employees specializes in UX/UI design, web design, and web development.
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SkodaIndustries
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57$25,000+10 - 49 employeeslondon, EnglandRead More
Thought&Function is a digital agency founded in London in 2017 with no more than 10 members. They are experts in web development, mobile app development, and UX/UI design solutions for clients in the industries of financial services, education, and health care.
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DoctorLinkIndustries
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58$25,000+10 - 49 employeesRead More
ClearSummit is a mobile app, web development, and custom software engineering firm founded in 2014. Based in Virginia and Los Angeles, the 22-member team specializes in building digital products. They primarily serve funded startups and corporate clients.
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BelkinIndustries
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59$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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60$10,000+50 - 249 employeesNew Delhi, IndiaArtificial intelligence company TechnoYuga was launched in 2020. Located in New Delhi, India; Surat, India; Toronto, Canada and Orland Park, Illinois, their midsize team focuses on Artificial Intelligence, Custom Software Development, Mobile App Development, and Web Development.Read More
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Gfacility Akasha Air mfine DecathlonIndustries
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