An IoT product is never just an app. There’s a sensor or device on one end, firmware running on it, a connection that can drop at any moment, a cloud backend catching the data, and a mobile or web app on top. If one layer is weak, the whole thing feels broken to the user. So when you pick a development partner, you want a team that has shipped connected products before, not one that’s learning Bluetooth on your budget. Here are ten companies worth a look.
Best IoT Application Development Companies
The top software development companies specializing in IoT application development include IT Craft, Lemberg Solutions, Axon, Indeema Software, iomico, Cogniteq, Euristiq, Infinum, ArcTouch, and ElifTech. Here is a comparison of them:
1. IT Craft
IT Craft, one of the best IoT application development companies, has been building custom software since 2001 and has delivered 2,250+ projects. Its IoT work centers on connected apps for physical spaces: BLE and iBeacon solutions (45+ projects), indoor navigation, real-time asset tracking, and smart building platforms that tie positioning data to facility management.
One of the cases in IT Craft’s portfolio is Smart Navigation Systems. IT Craft developed an indoor navigation platform for a UAE-based startup, which combines BLE beacon positioning, interactive 3D indoor maps, voice guidance, and multi-floor routing, helping visitors find their way through complex facilities and giving venue operators tools to manage maps, points of interest, and location-based content.
Services & expertise: IoT and BLE app development for iOS, Android, and cross-platform, indoor navigation and positioning (BLE, Wi-Fi, UWB, RFID), real-time asset and workforce tracking, cloud backends with real-time data sync, analytics dashboards, and post-launch support.
Strengths: BLE, iBeacon, and MQTT integration, indoor positioning with BLE, Wi-Fi, and UWB, real-time asset tracking, cloud backend and data sync, IoT analytics dashboards, privacy-first security, full-cycle delivery from discovery to support.
2. Lemberg Solutions
Lemberg Solutions is a European engineering company founded in 2007 that covers the full IoT stack, from hardware and firmware to cloud and data. It works with clients like Syngenta Group, Henkel, Bosch Rexroth, and Nedap across energy, healthcare, automotive, manufacturing, and agritech.
Services & expertise: hardware development, firmware and embedded Linux, edge AI and FPGA programming, and IoT cloud integration.
Strengths: ISO 13485 and ISO 26262 certifications for medical and automotive work, in-house hardware and firmware engineering, and enterprise clients like Bosch Rexroth and Henkel.
3. Axon
Axon is a full-cycle software development company that has worked with 130+ companies over more than 10 years, with a strong client base in Norway, Denmark, and Sweden. IoT app development sits alongside its mobile, AI, and cloud work.
Services & expertise: IoT application development, mobile development for iOS, Android, and cross-platform, DevOps and cloud architecture, and software integration.
Strengths: 10+ years of full-cycle delivery for 130+ companies, strong mobile and cloud skills for the app side of IoT, and long-term partnerships with Scandinavian clients.
4. Indeema Software
Indeema is an IoT-focused company founded in 2014, with offices in Wilmington (USA), Wrocław (Poland), and Lviv (Ukraine). Recent projects include Cube Air air quality monitoring, SuperVolt RV battery systems, and Hover Hero drone surveillance.
Services & expertise: firmware and embedded device development, edge and gateway intelligence, AI-powered IoT platforms, and cloud development on AWS, Azure, and GCP.
Strengths: ISO 27001, ISO 9001, and ISO 13485 certifications, AWS Partner and Microchip Design Partner status, and a narrow focus on IoT across energy, healthcare, drones, and smart homes.
5. iomico
iomico is an end-to-end IoT engineering company based in Olympia, Washington, that takes products from electronics and PCB design all the way to the app and cloud. Clients like Sleepme and Somnee use it for connected consumer devices.
Services & expertise: electronics and PCB design, firmware on Zephyr RTOS and embedded Linux, web and mobile apps, and edge AI.
Strengths: Nordic Semiconductor Design Partner status, Zephyr Project ecosystem vendor, and hardware-to-cloud delivery under one roof.
6. Cogniteq
Cogniteq is a software company founded in 2011, headquartered in Poland, with offices in the US and Lithuania. It has delivered 300+ projects for 200+ clients, including Bosch, Audi, DHL, and Miele.
Services & expertise: industrial IoT, healthcare IoT, IoT consulting, and mobile and web app development.
Strengths: SOC 2 Type II, ISO 27001, and ISO 9001 certifications, 300+ projects delivered, and enterprise clients like Bosch and Volkswagen.
7. Euristiq
Euristiq is a custom software company founded in 2016, based in Toronto with offices in Warsaw and Lviv. It has delivered 347 projects for clients like Philips, Ryanair, and Bell Canada, and builds IoT apps that give businesses visibility and control over connected environments, from consumer devices to industrial infrastructure.
Services & expertise: IoT app development, custom software for energy and telecom, cloud development, and AI-powered solutions.
Strengths: AWS Advanced Tier Services Partner, ISO 27001:2022 certification, and 347 projects delivered for brands like Philips and Bell Canada.
8. Infinum
Infinum is a digital product agency founded in 2005, with 400+ people across 7 locations. Its IoT work includes Philips MasterConnect smart lighting, which cut energy costs by 75%, and Versuni’s connected kitchen appliances with over 1 million monthly users.
Services & expertise: IoT and connected product apps, mobile and web development, product strategy, and cybersecurity.
Strengths: 400+ engineers and designers, proven connected-device apps at scale, and a client list that includes Philips, Samsung, and Shell.
9. ArcTouch
ArcTouch is a US-based app studio founded in 2008, with offices in San Francisco, New York, Austin, Toronto, London, and Brazil. It has built 500+ digital products, including connected experiences for 3M Filtrete smart air filters and Cirrus Aircraft.
Services & expertise: connected device apps, mobile and web development, product design, and digital strategy.
Strengths: 500+ products built, a strong design-first approach to connected apps, and long client relationships, averaging 6 years.
10. ElifTech
ElifTech is a software company based in Lviv, Ukraine, with a US office in Dover, Delaware. It builds IoT solutions ranging from sensors and wearables to smart home automation and industrial IoT, alongside fintech and logistics work.
Services & expertise: IoT development for sensors and wearables, smart home automation, industrial IoT, and supply chain and field service software.
Strengths: 2026 Clutch recognition for IoT services, end-to-end IoT delivery from device to app, and experience in logistics and field service systems.
Before you sign with anyone, ask to see a connected product they’ve actually shipped and ask how it handles a lost connection or a failed firmware update. A good IoT team will have a clear answer. That’s usually where you find out who really does IoT and who just lists it on their services page.
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