Top 20 Internet of Things (IOT) Development Firms in Sofia
The Best of December 2025Looking for a top IoT developer in Sofia?
Internet of things (IoT) is able to generate “big” data which can help your company by creating new business opportunities and transforming its operations.
To assist you in your search for a partner, we’ve compiled this list of the top Internet of Things companies in Sofia. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Sofia IOT Consultants
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1$10,000+50 - 249 employeesSofia, BulgariaBased in Sofia, Bulgaria and London, England, BGO Software - The Digital Health Lab is a custom software development firm. The midsize company was founded in 2008. Their services include Custom Software Development, IT strategy consulting, IT managed services, Mobile App Development, and more.Read More
Clients
NHS UK - Department of Health, Roche, LabCorp, IQVIA, Curaden, Ampersand Health, BodySpec and many other HealthTech companies.Industries
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2$25,000+250 - 999 employeesBeograd, SerbiaCivitta is an AI development company. Founded in 2013, the midsize company is located in Vilnius, Lithuania; Rīga, Latvia; Chișinău, Moldova and Kyiv, Ukraine. Their team offers Artificial Intelligence, Custom Software Development, cloud consulting & SI, Enterprise App Modernization, and more.Read More
Clients
Global Airlines AI Front Desk BL.INK Franchise RampIndustries
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3$25,000+10 - 49 employeesSofia, BulgariaRead More
App Streams Ltd is a web development firm. Headquartered in Sofia, Bulgaria, their small team focuses on web development, mobile app development, application testing, ux/ui design, and more. The company was launched in 2018.
Clients
CarsCentralIndustries
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4$50,000+50 - 249 employeesSofia, BulgariaRead More
Established in 2003, Quanterall is a blockchain company. The agency provides blockchain, custom software development, IoT development, mobile app development, and more and has a midsize team. The agency is in Sofia, Bulgaria.
Clients
SAPIndustries
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5$25,000+50 - 249 employeesSofia, BulgariaELando AD, a custom software development firm, was founded in 2016. The midsize team specializes in Custom Software Development, IT strategy consulting, cloud consulting & SI, Cybersecurity, and more. The agency is located in Sofia, Bulgaria; Shumen, Bulgaria; Stara Zagora, Bulgaria and Plovdiv, Bulgaria.Read More
Clients
AllianzIndustries
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6$50,000+50 - 249 employeesSofia, BulgariaRead More
Devision is a development outsourcing firm based in Sofia, Bulgaria with an office in Ukraine. Established in 2007, Devision has just under 60 employees and provides a wide range of development services based on a comprehensive technology stack. They offer development of custom software, web applications, and Android and iOS mobile apps to mid-market and enterprise clients in the business services, IT, and telecommunications sectors.
Clients
COPYBOOKIndustries
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7$5,000+50 - 249 employeesSofia, BulgariaAionys is a midsize software development company. Established in 2016, the team provides Custom Software Development, IT staff augmentation, IoT development, Enterprise App Modernization, and more. The firm is headquartered in Sofia, Bulgaria; Linz, Austria and Assago, Italy.Read More
Clients
EstateVisorIndustries
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8$1,000+10 - 49 employeesSofia, BulgariaRead More
IoT development company ThingsLog is based in Sofia, Bulgaria. Founded in 2013, the small team provides IoT development, IT managed services, web development, mobile app development, and more.
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9Undisclosed10 - 49 employeesSofia, BulgariaFindy IoT is an IoT development company. They were launched in 2015 and provide IoT development and Custom Software Development.Read More
Clients
Solid Smart Doors Yettel MeteoBot A1Industries
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10$5,000+10 - 49 employeesSofia, BulgariaRead More
MENA Software was founded in 2012 in Sofia, Bulgaria. It now has 21 employees providing services in blockchain, non-voice BPO/back office services, and BI & big data consulting & SI.They mainly work in the information technology, business services, and financial services industries.
Clients
StanVisionIndustries
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11$10,000+10 - 49 employeesSofia, BulgariaIndigoVerge is a software development company. In Sofia, Bulgaria, the firm was launched in 2006. Their team focuses on Custom Software Development and IoT development.Read More
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12$5,000+250 - 999 employeesBratislava 25, SlovakiaSoitron is a Bratislava 25, Slovakia-based IT managed services company. The team provides IT managed services and IT staff augmentation.Read More
Clients
HPEIndustries
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13$1,000+10 - 49 employeesSofia, BulgariaWildorb Interactive Design Studio, a software development firm, is based in Sofia, Bulgaria. They provide Custom Software Development and UX/UI Design.Read More
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14$1,000+10 - 49 employeesSofia, BulgariaFounded in 2013, NCB Ltd is a software development firm. Their team offers Custom Software Development and Web Development.Read More
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15$10,000+2 - 9 employeesSofia, BulgariaApp development firm OBG was founded in 2014. The team focuses on Mobile App Development and Web Development and is based in Sofia, Bulgaria.Read More
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16$25,000+10 - 49 employeesPravets, BulgariaSmartaly, an IoT development company, was founded in 2019. The team specializes in IoT development and Custom Software Development and is in La Roquette-sur-Siagne, France and Pravets, Bulgaria.Read More
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17$10,000+2 - 9 employeesSofia, BulgariaRead More
Dision is a mobile app development firm located in both Walnut Creek, California and Sofia, Bulgaria. Dision was founded in 2015 and has fewer than 10 employees. The company offers mobile app development as well as UI/UX design and IoT development within the business, IT, and healthcare industries.
Clients
ShutterstockIndustries
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18Undisclosed2 - 9 employeesSofia, BulgariaProcess of Things - PoT is a small Blockchain and IoT development company founded in 2018. Their services include Blockchain and IoT development.Read More
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