Top 100 Startup Software Development Companies
The Best of April 2026Looking for a top Startups 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 Startup 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 Startup 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
Industries
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31$5,000+50 - 249 employeesNew York, NYWebsite development firm MOBIKASA was founded in 2011. The midsize New York, New York-based team focuses on Web Development, E-Commerce Development, and Custom Software Development.Read More
Clients
1800Flowers Perfumania Mielle Organics Fast Growing TreesIndustries
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32$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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33$25,000+50 - 249 employeesMontevideo, UruguayCodigoDelSur is a midsize mobile application development firm established in 2007. Their team specializes in Mobile App Development, Custom Software Development, Web Development, and Artificial Intelligence. The agency is based in Montevideo, Uruguay.Read More
Clients
Grubhub Shutterfly Uplift MoviepassIndustries
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34$10,000+50 - 249 employeesDa nang, VietnamEnlab Software, a custom software development firm, is located in Da nang, Vietnam and Austin, Texas. They offer Custom Software Development, Enterprise App Modernization, Mobile App Development, and Web Development and were founded in 2013.Read More
Clients
VantagePoint ConsultingIndustries
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35$25,000+50 - 249 employeesDnipro, UkraineLocated in Dnipro, Ukraine and Edinburgh, Scotland, Clockwise Software is a midsize software development firm. They specialize in Custom Software Development, Artificial Intelligence, and IT managed services and were founded in 2014.Read More
Clients
Johnson & JohnsonIndustries
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36$10,000+250 - 999 employeesStuttgart, GermanyInstinctools is a midsize UX company. The Stuttgart, Germany-based firm was established in 2000. Their services include UX/UI Design, BI & big data consulting & SI, cloud consulting & SI, IT staff augmentation, and more.Read More
Clients
Daimler Fujitsu Nostrum SpexAIIndustries
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37$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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38$5,000+10 - 49 employeesKyiv, UkraineSoftware development company Faster Than Light is based in Kyiv, Ukraine; Tallinn, Estonia and Barrie, Canada. The agency offers Custom Software Development, Web Development, Artificial Intelligence, Web Design, and more and is small.The agency was founded in 2016.Read More
Industries
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39$5,000+50 - 249 employeesDnipro, UkraineRead More
Kultprosvet is an app development firm headquartered in Dnipro, Ukraine and Giv'atayim, Israel. Launched in 2012, the midsize team offers Mobile App Development, Custom Software Development, UX/UI Design, Web Development, and more.
Clients
Liquidity Capital PolySurance (PolyCam) Bettercare Gifted (Gifted.co)Industries
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40$25,000+50 - 249 employeesHouston, TXGlorium Technologies is an ERP consulting and SI company based in Houston, Texas; Kyiv, Ukraine; Pafos, Cyprus and Kraków, Poland. Launched in 2010, the midsize team specializes in ERP consulting and SI, Custom Software Development, Digital Strategy, Artificial Intelligence, and more.Read More
Clients
CAE Healthcare PACS Harmony Bodyo ITR SoftwareIndustries
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41$10,000+250 - 999 employeesNashua, NHRead More
A tech frontrunner since 1989, Zco is a full-stack app development firm offering web, mobile, and animation services. Headquartered in Nashua, New Hampshire with a Boston office, the 200+ specialists comprise a powerhouse team with outstanding and varied proficiencies.
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GolflogixIndustries
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42$5,000+50 - 249 employeesJaipur, IndiaEmizen Tech is a mobile application development firm. Launched in 2013, the midsize company is headquartered in New York, New York; Jaipur, India; Singapore, Singapore and London, England. Their team focuses on Mobile App Development, Web Development, E-Commerce Development, Artificial Intelligence, and more.Read More
Clients
Ego ShoesIndustries
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43$10,000+50 - 249 employeesGdańsk, PolandNeoteric is a midsize Generative AI company. Headquartered in Gdańsk, Poland and New York, New York, the company was founded in 2005. Their services include Generative AI, Artificial Intelligence, AI Consulting, Custom Software Development, and more.Read More
Clients
KIONA (Energy, Utilities), Siemens (Electronics), Nestle (FMCG), The World Bank (Finance), Liveramp (Data integration), Boeing (Aviation), Crowdstrike (Cybersecurity), Apporchid (AI), Nanoramic (Energy), Client.io (Diagramming), yWorks (Diagramming)Industries
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44$1,000+50 - 249 employeesLos Angeles, CAAI company Softermii was launched in 2014. Their midsize team is in Los Angeles, California; L'viv, Ukraine; München, Germany and Stockholm, Sweden. Softermii provides Artificial Intelligence, AI Agents, Custom Software Development, AI Consulting, and more.Read More
Clients
Events10xIndustries
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45$10,000+50 - 249 employeesSan Francisco, CAAzumo, an artificial intelligence company, was founded in 2016. Their midsize team is headquartered in San Francisco, California and Rosario, Argentina. The agency provides Artificial Intelligence, Custom Software Development, Generative AI, AI Agents, and more.Read More
Clients
Twitter Facebook Omnicom Discovery ChannelIndustries
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46$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.
Industries
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47$5,000+250 - 999 employeesBiałystok, PolandRead More
SoftwareHut is a software development house with offices around the world, including London, New York, Paris, Munich, Dublin, Stockholm, Copenhagen and Zurich. Founded in 2015, they also have seven offices in Poland, including Bialystock, Olsztyn, Przemysl, Szczecin, Warsaw, Wroclaw, and Poznan. They employ 173 staff specializing in designing, customizing and developing professional IT systems, LIMS, SCM, and mobile apps.
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MicrosoftIndustries
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48$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.
Clients
Microsoft CorporationIndustries
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49$50,000+50 - 249 employeesBarranquilla, ColombiaRead More
Koombea is a midsize app development company. Located in Miami, Florida; Barranquilla, Colombia; New York, New York and San Francisco, California, the agency was launched in 2007. Their team specializes in Mobile App Development, Custom Software Development, Web Development, UX/UI Design, and more.
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Motorola SolutionsIndustries
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50$50,000+50 - 249 employeesLos Angeles, CARead More
CitrusBits is a mobile app development company based in Los Angeles, CA and founded in 2005. The team of nearly 60 employees is passionate about creating mobile technology and responsive mobile content for all businesses.
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Burger KingIndustries
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51$25,000+10 - 49 employeesArlington, VA3Advance, a mobile app development firm, is based in Arlington, Virginia and Austin, Texas. The small company was launched in 2010. Their services include Mobile App Development, Custom Software Development, Web Development, Artificial Intelligence, and more.Read More
Clients
StartupsIndustries
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52$25,000+10 - 49 employeesWatford, EnglandRead More
AppDrawn is a software solutions company founded in 1999. Their headquarters are in London and they have a second office in Barcelona. Across these 2 locations, they have a team of a dozen staff that do custom software development, web development, and mobile app development for small and medium-size businesses.
Clients
AspireIndustries
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53$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
Clients
Parks Associates Warrior Logistics Zodiac Maevn OutletIndustries
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54$25,000+10 - 49 employeesMcMinnville, ORRead More
Buildable Custom Software is a software development firm in McMinnville, Oregon; Portland, Oregon and Pacific City, Oregon. The small agency was founded in 2008. Their team specializes in Custom Software Development, UX/UI Design, Mobile App Development, and Web Development.
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Citycounty Insurance ServicesIndustries
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55$25,000+250 - 999 employeesSan Francisco, CARobosoft Technologies Inc. Is a San Francisco, California-based app development company. They offer Mobile App Development, UX/UI Design, Web Development, Custom Software Development, and more and were launched in 1996.Read More
Clients
Warner Bros. Discovery HSBC McDonalds Mercury FinanceIndustries
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56$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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57$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
Clients
Health Match 360Industries
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58$5,000+10 - 49 employeesDenver, CORead More
Neon Rain Interactive is a Denver-based custom web development firm that was founded in 2002. The firm has around 10 employees and provides custom software development, web design, and web development services mainly to small businesses.
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SprintIndustries
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59$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
Clients
DiageoIndustries
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60$10,000+50 - 249 employeesNew Delhi, IndiaTechnoYuga Soft Pvt. Ltd. Is a New Delhi, India-based AI firm. The firm focuses on Artificial Intelligence, Custom Software Development, and Mobile App Development and is midsize.The firm was established in 2020.Read More
Clients
Gfacility Akasha Air mfine DecathlonIndustries
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