Top 30 Custom Software Development Companies

Apriorit is a software product engineering company founded in 2002 with offices in Dover, Del., and Budapest, Hungary. Apriorit boasts a team of more than 200 employees who are well-versed in custom software development, web development, and mobile app development. 

DeepInspire is a web development agency based in Lviv, Ukraine with a team of 39 professionals. Since 2000, the company has provided small startups and large corporations alike with their UX/UI design, web design, and web development needs. They work in industries such as education, real estate, and business services.

Untile is a software development firm launched in 2009. They are in Viana do Castelo, Portugal and have a small team. The firm specializes in custom software development, ux/ui design, mobile app development, web design, and more.

Launched in 2016, 64 Robots is a website development company. They are headquartered in Baltimore, Maryland and have a small team. Their services include web development, mobile app development, and web design.

Haefele Software is an outsourced Microsoft software development company based in Cape Town, South Africa, with offices in Melbourne, Australia; Tampa, Florida; and London. The company, founded in 2006, has more than 50 employees and provides custom software development, IT strategy consulting, and IoT development services to enterprise and smaller-sized companies in various industries.

KindGeek is a web and app development firm based in Lviv, Ukraine. It also has offices in New York and London. With over 110 employees, KindGeek provides small and midmarket businesses with services including web development, mobile app development, e-commerce development, and UX/UI design.

Established in 2018, INOWU is an user experience company. The small team provides ux/ui design, custom software development, web development, and mobile app development. The firm is headquartered in Sonora, Mexico.

Snowman Labs is a mobile development firm in Curitiba, Brazil. Established in 2012, they have just under 30 employees that serve a range of clients in a variety of sectors. Services include mobile app development, custom software development, and UI/UX design.

Broscorp is a software company founded in 2016 and located in Dnipro, Ukraine. The team of fewer than 50 serves small businesses in the IT, financial services, and telecommunications industries. Their services include BI, big data consulting services and SI, as well as custom software development.

Clarika is a software development and IT consulting firm headquartered in Córdoba, Argentina with offices in Santiago, Chile. Founded in 2007, the 31-person agency provides custom software development, IT staff augmentation, and mobile development services to mainly small business and midmarket clients.

Devurai is a software development company based in Kyiv, Ukraine. The company, founded in 2018, has a team of around ten that provides, among others, web development, custom software development, and IT strategy consulting services to small and midmarket companies.

Teravision Technologies is a software firm founded in 2002 with over 250 employees. Based in Bogotá, Colombia, they specialize in web, wearable app, and mobile app development solutions for clients ranging from small startups to large companies.

Zoolatech is a custom software development company founded in 2017 in Palo Alto, Calif. with over 50 employees. They are experts in custom software, e-commerce, and mobile app development solutions for clients in the industries of retail and advertising.

EXIS is a software, IT consulting, and web development company based in Athens, Greece. Founded in 2001, this company has 30 employees. Services provided by EXIS include web development, CRM consulting, and custom software development for business of various sizes.

Small website development company Fingoweb, is based in Kraków, Poland. The team provides web development, custom software development, e-commerce development, web design, and more.

BGO Software is a Bulgarian software design company that has offices in Sofia, Plovdiv, and London, U.K. Established in 2008, the company employs a team of 73 who specialize in software and mobile app development. 

A software development company, Velvetech is located just north of Chicago in Northbrook, IL. It was founded in 2004 and employs a team of around 50 development experts who specialize in custom software development, mobile app development, CRM and sales intelligence consulting, and web development for midmarket clients across a variety of industries.

SIVOXI™ is a design and development agency based in Johannesburg. Founded in 2016, their team of fewer than 10 employees serves enterprise and midmarket businesses in industries such as business services, advertising and marketing, and consumer products. Services include custom software development, UX/UI design, and IT strategy consulting.

Headquartered in Croatia, DECODE HQ is a mobile app development partner for mid market and enterprise companies. Since 2012, the team of 50 specializes in mobile app development, web design, UX/UI design, and web development for client projects

Edstem Technologies is a mobile app development firm located in Kochi, India. Established in 2012, the small team specializes in mobile app development, web development, custom software development, application testing, and more.

Custom software development company MoroSystems, s.r.o. Was launched in 2006. Their midsize team is located in Brno, Czech Republic; Praha, Czech Republic; Hradec Králové, Czech Republic and Bratislava, Slovakia. MoroSystems, s.r.o. Focuses on custom software development, web development, IT strategy consulting, mobile app development, and more.

Totally.Tech is a custom software development company founded in 2000. The agency offers custom software development, enterprise app modernization, mobile app development, and application management & support and has a small team. The agency is headquartered in London, United Kingdom.

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.

Pragmatix, a custom software development company, is in Yerevan, Armenia. The small team provides custom software development, web development, product design, application testing, and more and was launched in 2016.

Custom software development company Barrage was established in 2016. The agency specializes in custom software development, blockchain, ux/ui design, application management & support, and more and has a midsize team. The agency is located in Osijek, Croatia and Osijek, Croatia.

XeoDev is full-service agency based in Orlando, Fla. with fewer than 5 employees. XeoDev was founded in 2015 and services startups or businesses with ambitious growth models. XeoDev seeks to provide custom software development, web development, and app development for companies seeking long-term partnerships.

Journi is a small software development firm. Headquartered in London, United Kingdom and Madrid, Spain, the agency was launched in 2023. Their services include custom software development, IT staff augmentation, web development, and enterprise app modernization.

Based in London, United Kingdom, Goodspeed is a website development firm. The small firm was founded in 2022. Their services include web development, custom software development, and mobile app development.

TH-EY is a development agency in London, England. Founded in 2017, they have about 8 employees that serve clients in a variety of industries. Services include custom software development, web development, and mobile app development.

Application development company and web development company AppVerticals LLC was established in 2016. The agency provides mobile app development and web development and has a small team. The agency is located in Trophy Club, Texas and Southlake, Texas.