With the marked growth of smart manufacturing and connected technologies, IoT in the product development market is expected to soar—from $48.5B in 2025 to over $187B by 2035, according to Future Market Insights. This spike in using IoT development services is fueled by the need for real-time data insights, predictive maintenance, and more efficient ecosystems.
As more companies tap into smart technologies and plan for conversion of their IT and OT operations, selecting the right tech partner out of IoT product development companies becomes a critical success factor for planned transformation. The experienced software development partner with IoT expertise can accelerate innovation, ensure seamless integration, and reduce risks tied to complexity and interoperability. This article explores why choosing a reliable IoT vendor matters and what product businesses should know to make informed, future-proof decisions.
Key considerations for choosing a reliable tech partner among IoT product development vendors
A qualified IoT vendor brings technical expertise and the ability to manage complexity across hardware, gateway, cloud, and application layers of IoT products. Here's what companies should consider when exploring tech partnerships for building IoT products:
- End-to-end IoT development expertise. A vendor that can support all stages—from hardware prototyping and firmware development to cloud integration and mobile app creation—usually offers better project coordination and helps accelerate product's time to market.
- Industry experience. Industry-specific knowledge (e.g., of healthcare, automotive, manufacturing) helps tailor the product to regulatory, environmental, and operational needs. It also will allow the vendor to choose the optimal tech stack and third-party solutions.
- Integration capabilities. IoT products are often incorporated into a larger ecosystem. Your tech partner should be able to integrate IoT products with existing systems, devices, and third-party platforms to ensure interoperability.
- Security-first approach. IoT solutions must be built with security at their core, covering secure firmware, data encryption, and compliance with industry standards. Look for vendors complying with secure development practices and holding valid certifications.
- Scalability and performance. A strong partner will help architect your solution to scale without compromising product performance as your user base or assets grow.
- Data and analytics expertise. IoT is only as valuable as the insights it delivers. Ensure the vendor has experience with IoT data processing and analytics to help you extract actionable insights, enable predictive capabilities, and create a data-driven approach towards business decisions.
By considering these factors, businesses can better position themselves for successful IoT projects. Since many IoT product development vendors are qualifying to become your tech partners, we've sifted through several criteria to identify the top 25 agencies.
Selection criteria
To help you choose among over 4,570 IoT product development companies listed on Clutch, we have filtered best global market players based on the following criteria:
- Over 250 software experts on board. Typically, mid-sized and large IT enterprises have enough internal capabilities to scale and are more likely to have established development processes.
- Over 10 years of experience in delivering tech services globally. It helps ensure that the vendor is skilled in modern technologies and has an established tech stack.
- More than five verified client reviews on Clutch. Proven tech expertise with IoT solutions helps set up smooth development processes.
- Client satisfaction rate over 4.5. While these reviews may be subjective, they can give you extra insight into the vendor's dedication to project and service quality.
- Variety of IoT services. Some of the chosen IoT product development firms offer full-cycle IoT development services, so they can support all stages of your IoT project.
Explore more: IoT software development companies that transform businesses
Top 25 IoT product development companies
1. N-iX
N-iX is among the best IoT product development companies with over 22 years of experience in software development. Among the vendor's clients are global enterprises from various industries, including finance, manufacturing, logistics and supply chain, retail, telecom, automotive, healthcare, energy and utilities, and agritech.
N-iX offers end-to-end IoT development services, making the enterprise a single point for all IoT project needs. It helps clients with IoT-based wearables design and development, IoT consulting, hardware design and prototyping, firmware development, custom IoT solution development, embedded software development, network setup, wired to wireless network migration, low-power radio frequency design and development, IoT data visualization, and other tasks. In addition, N-iX engineers can help you implement test automation frameworks to guarantee the proper operation of IoT devices.
The vendor boasts various tech partnerships to create robust IoT-based products. For example, it partners with Nordic Semiconductor, Raspberry Pi, and Wirepas to ensure reliable product design and connectivity for various environments. It's also a Microsoft Solution Partner, AWS Advanced Tier Partner, and Google Cloud Partner, allowing the clients to benefit from advanced cloud solutions.
N-iX is one of the IoT product development companies with tech expertise in embedded development, software product engineering, cloud solution development, RPA, cybersecurity, Data Science, immersive technologies, QA, and more. Its multidisciplinary teams include embedded engineers, cloud architects, Data Scientists, and UI/UX designers, enabling smooth collaboration between all teams involved in development.
Many successful projects with clients from Japan, Belgium, and Australia have proved the vendor's expertise in innovations. N-iX's IoT portfolio includes an Android-based fleet tracking solution for a logistics company, an embedded firmware solution for a decontamination system manufacturer, a mobile app for Bluetooth-enabled helmet producer, and other products and solutions.
2. CHI Software
This is an Internet of Things development vendor with offices in Ukraine, Poland, Spain, the USA, and Cyprus. It has over 18 years of engineering experience and has provided various solutions for healthcare, fintech, ecommerce, media, insurtech, and other industries.
According to Clutch, IoT constitutes 10% of the vendor's development services. The agency specializes in IoT solutions for vehicles, remote security, smartphone navigation, as well as smart home systems. Its recent IoT projects include greenhouse, connected cars, and GUI-based operating system solutions.
3. ArcTouch
The vendor is one of the Internet of Things product development companies with over 15 years of engineering experience on the market. With headquarters in the US, the vendor also has offices in Canada, the UK, France, and Brazil.
As much as 25% of the services delivered by the company are Internet of Things. The company's IoT developers specialize in developing IoT applications for connected products. They help clients with apps for connected televisions, smart household products, connected vehicles, and remote sensors and smart devices.
4. Excellent Webworld
The vendor's IoT product development offering includes technical feasibility, device connectivity, firmware, cloud integration, connected mobile application development, and other services. Headquartered in India, it also has USA and Saudi Arabia offices.
The vendor's client list spans businesses from the automotive, healthcare, sports, real estate, agriculture, energy, and other industries. Apart from IoT product development, this tech agency provides IT consulting, AI/ML development, app development, product engineering, cloud solutions, and more.
5. Svitla Systems
Staffing over 1,000 tech specialists, this is one of the IoT product development vendors that has been in the global software development market for around 20 years. It has offices in the USA, Ukraine, Mexico, Poland, Canada, Costa Rica, and Argentina.
This IT enterprise provides IoT strategy consulting, hardware design, embedded software development, third-party integration, and other services for clients from hospitality and travel, ecommerce, energy, and other domains. Its latest IoT projects include fleet tracking solutions, drone data analysis automation, and more.
6. Provectus
This is one of the mid-size IoT product development companies operating since 2010. It specializes mostly in AI solution development and AI consulting. However, it uses IoT to help clients with digital transformation, mobile product strategy and delivery, and product consulting. The vendor's experience spans multiple industries including healthcare, finance, music, fitness, sports, and more.
The Internet of Things constitutes 20% of the vendor's development services. They have developed an IoT system with bioengineered sensors aimed at monitoring the oxygen levels of compromised body tissues.
7. Transition Technologies PSC
This enterprise is one of the Internet of Things product development firms worth mentioning for its extensive service offerings and experience. With over 30 years on a global market, it has opened development centers in the USA, France, Germany, Denmark, and Taiwan.
The firm has over 800 tech experts on board with expertise in software development, ITSM, cloud development, Machine Learning, and more. Its IoT services make up over 15% of its offering. The vendor focuses mainly on Industrial IoT products and solution development.
8. Softeq
As one of the top IoT product development firms with offices in the USA, Germany, Lithuania, and Mexico. It has been on the market since 1997 and has helped businesses from consumer electronics, automotive, healthcare, industrial manufacturing, and other industries.
The vendor's IoT engineers have multidimensional development experience that spans smart clothes and accessories, hearables, IoT for pets, connected home systems, and baby care solutions. Its IoT technology stack includes C and C++, AWS IoT, Azure IoT, and various wireless connectivity technologies.
9. Gadgeon
For about 14 years, this IoT development agency has catered to the needs of businesses in healthcare, consumer electronics, manufacturing, telecom, and other industries. As of 2025, it has operations in the USA, Belgium, the UAE, and India.
Medical software and embedded IoT are the firm's key focus areas of Internet of Things product development. Its IoT offerings include sensor integration, data collection, edge computing, connectivity solutions, and cybersecurity.
10. Arobs
This Romania-based IoT vendor partners with clients from the USA, Finland, Italy, Germany, and Canada to help develop IoT home automation system products, smart city, and building monitoring system solutions.
The vendor's market knowledge includes automotive, travel, marine, life sciences, finance, and other business verticals. It offers IoT product architecture design, IoT integration, and other IoT development services.
More on topic: Best IoT consulting firms to ensure project success
11. Softengi
Set up in 1995, the vendor is one of the IoT product development companies with an extensive cooperation history. Among its clients are real estate, ecommerce, oil and gas, farming, and many other enterprises. The vendor is headquartered in Kyiv, Ukraine, and has offices in the USA, Poland, Italy, and the UAE.
The vendor's tech experts provide hardware and firmware prototyping and development, devices and sensors implementation, infrastructure deployment, and custom IoT product and solution development.
12. SoftProdigy
Founded in 2006, this is one of the Internet of Things product development vendors with offices in India, the USA, and the UK. The vendor employs over 250 software developers that apply their engineering expertise for smart cities, smart home, vehicle connectivity, real-time inventory management, access control, and energy management projects.
Nearly 15% of the firm's software development projects include IoT development. Their engineers are competent in providing IoT strategy and consulting, IoT engineering services, custom app development, AI-enabled IoT solutions, and IoT apps and solution maintenance.
13. Waverley Software
With R&D centers in the USA, Australia, Bolivia, Vietnam, Romania, and Ukraine, this is one of the oldest IoT product development companies on the list. Apart from the Internet of Things, the vendor also offers the implementation of Data Science and AI solutions, the building of blockchain applications and networks, DevOps services, and many more. Its industry expertise covers healthcare, robotics, fintech, energy, and other domains.
The Internet of Things services comprise around 14% of the agency's software development offering. The vendor has experience implementing smart panels (for instance, smart home security panels), boards, sensors, robots (e.g., social robots and robotic hands), wearables, and other IoT-powered products.
14. Brightgrove
As one of the Internet of Things product development vendors, it helps with connectivity solutions for real estate, manufacturing, hospitality, insurance, martech, consumer electronics, and other domains.
Over 15% of the vendor's engineering potential is involved in the development of IoT products and solutions. Its engineers relied on C/C++, Python, and other programming languages and frameworks to build their solutions. Its recent IoT projects include the development of a solar module monitoring solution, an IoT-connected mobile app for car tracking device manufacturers, and a custom embedded application for traffic regulation.
15. Contus Tech
The agency has been delivering IT services for more than 16 years. Originally from India, the vendor has later spread to the USA and opened its R&D centers there as well.
The vendor develops IoT products for connectivity management, data visualization, sensor-based monitoring, IoT data analytics, IoT security, and fleet management. It uses various tech stacks, including Node.js, Angular, Spring Boot, .NET Core, C, C++, C#, and React. The firm's IoT-based products help clients in the manufacturing, healthcare, smart cities, agriculture, energy, and retail industries.
16. Rightpoint
This is one of those IoT product development firms with a presence across the USA, India, and London. Headquartered in Chicago, the vendor serves clients worldwide, focusing on partnering with retail, healthcare, finance, mobility, and telecom businesses.
Its IoT development services feature IoT solution design, mobile and web app design and development, cloud infrastructure and IoT IaaS, and IoT data engineering and analytics.
17. Stridely Solutions
One more of mid-size IoT product development companies, this enterprise has over 350 engineers on board. Alongside IoT development, the vendor offers mobile app development, BI analytics and Big Data, ERP implementation, app modernization, cloud solutions, and more.
Its IoT products leverage C and C++ for embedded development and Python, Java, and Node.js for cloud and backend services. The vendor's engineers use leading IoT platforms, including AWS IoT Core, Azure IoT Hub, and Google Cloud IoT, to build and manage its solutions, ensuring secure connectivity, scalable device management, and real-time data processing.
18. NashTech
Another vendor on the list of the best IoT product development companies with R&D centers in the UK, Germany, Poland, Australia, Singapore, Vietnam, India, Canada, and the USA. With over two decades of engineering experience, it has provided solutions for the fintech and insurance, retail, healthcare, media, travel, logistics, and education businesses.
The company uses IoT technology to enhance clients' high-tech sensors-based products, especially drones and wearables. It combines this technology with Augmented Reality (AR), Virtual Reality (VR), AI, and edge computing.
19. Fabrity
This is one of the Polish IoT product development companies focusing on implementing IoT in industrial settings. The vendor's IoT service suite includes IoT strategy and consulting, sensor and device integration, gateway and edge device deployment, IIoT data engineering, and custom app development.
Apart from IoT, the vendor provides custom software development, blockchain development, data engineering, Gen AI, low-code development, and other services. This vendor is also a Microsoft Azure partner offering a variety of Azure IoT services for its clients.
20. Kellton
The tech enterprise is among large-size IoT product development companies with around 1,800 engineering specialists on board. During over 15 years in the tech market, the vendor developed IT solutions for banking, chemicals, education, healthcare, and other industries.
Its IoT offering includes IoT app development, system integration, IoT platform development, and custom IIoT solutions. Among their IoT products are a food monitoring solution, an IoT-enabled AI platform for domain-driven analytics, and a smart power grid monitoring solution.
21. Aspire Systems
The vendor has over 25 years of experience in providing tech services for fintech, retail, education, banking, and insurance industries. It has offices in Singapore, the USA, the UK, the Netherlands, Poland, Mexico, India, Ireland, and the UAE.
As for IoT product development, the vendor has experience in AI-based temperature screening, vehicle monitoring, and smart city solutions. The last domain is one of the vendor's key focuses and its IoT teams have expertise in RF design, outdoor lighting, and video surveillance.
22. Teksun
It is one more of the mid-size US-based IoT product development companies with over 300 skilled software developers. They provide engineering services for Industry 4.0, wearables, consumer electronics, biotech, healthcare, and security and surveillance businesses.
The Internet of Things comprises 40% of vendor software development services. The company's engineering specialists can help you with IoT security, serverless IoT app development, Industrial IoT, blockchain-based IoT solutions, edge computing, IoT data analytics, cloud integration, and more.
23. VOLANSYS
The vendor has about 16 years of software development experience in implementing solutions for healthcare, industrial automation, retail, automotive, and aerospace industries. Staffing over 500 developers, this Internet of Things development firm has R&D centers in India and the USA.
In terms of IoT product development, this enterprise offers the implementation of connectivity protocols and cloud platforms, semiconductor support, IoT mobile application development, IoT standards implementation, and database integration.
24. FrontIt
This is one of the IoT product development firms with offices in Germany, Denmark, and Lithuania. Since its foundation, it has gained engineering experience in advertising, banking, education, logistics, real estate, sport and wellness, media, and other domains.
This company develops custom IoT software and integrates it with various systems—from telematics and payment hardware to ERP and CRM platforms. They ensure device security, enable real-time data collection, and enable IoT data analytics.
25. A3Logics
The vendor was founded in 2003 and has offices in India, Singapore, the UK, and the USA. It has been providing various software services for automotive, banking, healthcare, ecommerce, legal tech, and other industries.
The vendor helps clients with custom IoT app development, mobile applications, UI/UX design, IoT data visualization, cloud integration, voice assistant integration, and post-development support. It can also enhance clients' IoT products with AI, AR, VR, and cloud capabilities.
Why choose N-iX among the top IoT product development firms?
- N-iX covers the whole spectrum of IoT product development services—from product and device design to cloud and third-party integration and maintenance;
- We're experienced in developing IoT solutions for healthcare, automotive, manufacturing, logistics, retail, and other industries;
- Our IoT and embedded R&D lab helps us ensure product quality during each development stage and create production-ready prototypes;
- Our IoT software developers have a deep knowledge of C and C++ programming languages and expertise in AWS, Microsoft Azure, Google Cloud Platform, computer vision, AR, VR, and other IoT-enabling technologies;
- We have established partnerships with cloud providers, semiconductor manufacturers, and network companies to create reliable IoT products;
- We comply with international standards, including ISO 9001, ISO 27001, PCI DSS, and GDPR;
- Our flexible nearshoring and offshoring team augmentation options will allow you to start developing IoT products faster.
References:
- IoT in Product Development Market Analysis - Growth & Forecast 2025 to 2035 | Future Market Insights
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