Top 12 Internet of Things (IoT) Development Companies

Learn about 12 leading IoT development companies offering hardware, software, and cloud integration.

By Christian Bourgeois . September 16, 2025 . 10 min read

Dee Duo toy tag designed by StudioRed

Developing a connected product is complex. Sensors, firmware, hardware, cloud platforms, and user interfaces all need to work together seamlessly, and this can be tough to do in-house. This is where an IoT development company can help.

These firms provide end-to-end services, from concept design and prototyping to IoT hardware development. This includes sensor integration, low-power electronics, wireless communication, and device testing. With the right partner, your IoT idea can become a secure, scalable product that delivers real value to users.

In this article, we highlight 12 of the top IoT development companies, including their specialties, locations, and years in business, along with examples of their past work. Whether you’re a startup building your first connected device or an established brand adding smart features to an existing product, these firms can guide you through the process.

Top IoT Development Companies at a Glance

CompanyServicesLocationFounded in
StudioRedIndustrial design, mechanical engineering, IoT hardware developmentPalo Alto, CA1983
Voler SystemsElectrical engineering, IoT hardware development, sensor integrationSunnyvale, CA1979
DGCDElectrical engineering, firmware development, IoT prototypingFort Collins, CO2000
SpannerMechanical engineering, hardware design, product strategySan Jose, Santa Cruz, and Los Gatos, CA2014
IomicoIoT hardware development, embedded systems, product prototypingOlympia, WA2012
SurfaceinkIndustrial design, mechanical engineering, consumer electronics designSilicon Valley, CA1999
Speck DesignIndustrial design, mechanical engineering, IoT hardware developmentSan Jose, CA1996
AJProTechElectrical engineering, IoT hardware development, prototyping supportCalabasas, CA2014
SofteqEmbedded systems, IoT software development, IoT consultingHouston, TX1997
ICONICSIoT software development, edge gateway solutions, IoT consultingFoxborough, MA1986
ELEKSIoT software development, embedded systems, IoT consultingTallinn, Estonia1991
LuxoftIoT consulting, embedded systems, connected mobility solutionsZug, Switzerland2000

IoT Hardware Development Companies

Developing a connected product often starts with hardware. From sensors and electronics to mechanical design and prototyping, these companies specialize in building the physical devices that power IoT solutions. Their expertise ensures products are functional, manufacturable, and ready for market.

1. StudioRed

Screenshot of the StudioRed website

 

StudioRed
StudioRed company logo

Best for

Integrated IoT product development and industrial design

Headquarters

Palo Alto, CA

Founded

1983

Notable clients

Meta, Microsoft, 7-Eleven

StudioRed is a Silicon Valley–based product development company with more than 40 years of experience and a portfolio of over 4,500 projects. StudioRed combines industrial design, mechanical engineering, and prototyping to help clients bring connected products to market. Our integrated approach ensures consistency between concept, design, and manufacturability, reducing risks as projects move toward production.

Over the years, StudioRed has collaborated with leading brands across multiple industries. Some notable IoT projects include:

  • Meta OpenCellular: An open-source cellular base station that connects remote communities and supports IoT connectivity
  • Hatch Rest 2: A smart sleep device with app-controlled sound, light, and scheduling features
  • Calix WiFi6 System: Cloud-managed WiFi hardware that enables smart home and IoT device connectivity
  • Token Ring 2: A biometric wearable providing secure multi-factor authentication and wireless data transmission
  • Deedu Toy Tracker: A Bluetooth-enabled tracker that lets parents monitor the location of children’s toys

One of StudioRed’s specialties is creating IoT hardware that balances aesthetics, usability, and engineering precision. They work closely with clients through every stage, from early-stage prototyping to pre-production, ensuring products are both functional and scalable. This combination of design and technical expertise makes us a reliable partner for companies seeking to develop connected devices ready for market.

Bring your IoT idea to life with StudioRed’s product development services.

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2. Voler Systems

Screenshot of the Voler Systems website

 

Voler Systems
StudioRed company logo

Best for

IoT sensor design

Headquarters

Sunnyvale, CA

Founded

1979

Notable clients

Philips Healthcare, Siemens, Boeing

Voler Systems specializes in IoT hardware development, with expertise in sensors, wireless communication, and low-power electronics. Their team has supported projects in healthcare, industrial automation, and wearable devices. By focusing on risk reduction and reliability, Voler helps companies build connected products that perform consistently in demanding environments.

The firm’s IoT services include prototype design, device integration, and embedded systems engineering. Their long-standing work with medical and industrial clients highlights their ability to deliver high-quality, scalable connected solutions.

3. DGCD

Screenshot of the DGCD website

 

DGCD
StudioRed company logo

Best for

IoT prototyping

Headquarters

Fort Collins, CO

Founded

2000

Notable clients

Microsoft, Hewlett Packard, Medtronic

Dynamic Circuit Group Design (DGCD) provides electrical engineering and IoT product development services, from early concept design through working prototypes. Their team includes firmware developers, PCB layout engineers, and electronics specialists experienced in connected devices.

The company has developed IoT-enabled systems for safety, healthcare, and consumer products, including wearable crash detection technology. DGCD emphasizes close collaboration and clear communication, ensuring IoT solutions meet client goals and can advance toward large-scale production.

4. Spanner

Screenshot of the Spanner website  

Spanner
Spanner company logo

Best for

Mechanical and hardware design

Headquarters

San Jose, Santa Cruz, and Los Gatos, CA

Founded

2014

Notable clients

Amazon, Dolby, Fitbit

Spanner is a California-based Internet of Things development company specializing in mechanical and hardware design for connected products. With over 10 years of experience, the company has a team of engineers with backgrounds at Apple, Google, and Stanford. They focus on design for manufacturability, helping clients develop devices that are functional, reliable, and ready to scale. 

Spanner serves industries including consumer electronics, medical devices, and robotics. Their portfolio includes partnerships with startups as well as global brands, making them experienced in projects of varying scope.

5. Iomico

Screenshot of the Iomico website  

Iomico
Iomico company logo

Best for

End-to-end IoT hardware

Headquarters

Olympia, WA

Founded

2012

Notable clients

Honeywell, Siemens, Cisco

Iomico is an IoT product development company specializing in IoT hardware and embedded systems. With over a decade of experience, they provide services ranging from circuit design and firmware engineering to prototyping and testing. Their expertise spans consumer electronics, industrial automation, and medical devices. 

Iomico has worked with well-known brands such as Honeywell, Siemens, and Cisco, building connected products that integrate hardware, sensors, and cloud connectivity. They are a great partner for companies looking to develop IoT devices from concept through production.

“Iomico remained responsive, proactive, and willing to devote additional resources.”

Clutch.co review

6. Surfaceink

Screenshot of the Surfaceink website  

Surfaceink
Surfaceink company logo

Best for

Consumer electronics design

Headquarters

San Jose, CA

Founded

1999

Notable clients

Amazon, Apple, Cisco

Surfaceink is a product design and engineering company known for its work in consumer electronics. They were acquired by PwC in 2023 and have a portfolio that includes collaborations with Apple during the development of the iPod, gaming consoles, Bluetooth accessories, and wearable devices. 

Surfaceink specializes in bringing new consumer technology products to market, combining mechanical engineering with industrial design to deliver functional, scalable solutions.

7. Speck Design

Screenshot of the Speck Design website  

Speck Design
Speck Design company logo

Best for

Medical and consumer device industrial design

Headquarters

San Jose, CA

Founded

1996

Notable clients

Facebook, PayPal, Amazon

Speck Design is an industrial design and engineering company based in San Jose, California. Established in 1996, the firm focuses on creating products that combine usability, aesthetics, and manufacturability. Their portfolio spans medical devices, consumer products, and wearables, with clients including Cisco and Google. 

Speck Design emphasizes user-centered design and inclusive product development. Their ability to manage projects from concept through production has earned recognition in multiple industries, making them an experienced partner for connected and smart device projects.

8. AJProTech

Screenshot of the AJProTech website  

AJProTech
AJProTech company logo

Best for

Electrical engineering

Headquarters

Calabasas, CA

Founded

2014

Notable clients

ExxonMobil, Hyundai, USPS

AJProTech is an engineering company that specializes in developing consumer electronics and IoT products, offering services in electrical engineering, PCB design, power systems, and sensor integration. AJProTech also provides prototyping and manufacturing support, helping clients bring products from early-stage concept to market launch. 

The company offers flexible pricing and a one-year bug-fix warranty, which adds transparency and accountability to the development process. Their portfolio includes projects for ExxonMobil, Hyundai, and USPS.

IoT Software Development Companies

Not all IoT projects involve building new hardware. Many rely on robust software to manage connectivity, process data, and support cloud or edge platforms. The following companies focus on IoT software development, embedded systems, and consulting to help businesses integrate smart functionality into their products.

9. Softeq

Screenshot of the Softeq website  

Softeq
Softeq company logo

Best for

Full stack embedded systems

Headquarters

Houston, TX

Founded

1997

Notable clients

Verizon, Microsoft, Lenovo

Softeq provides full-stack IoT services covering hardware, firmware, software, and cloud integration. Their team helps clients move from prototype to production with expertise in sensors, connectivity, and data visualization. The company also develops mobile and web applications that support connected devices. 

Softeq works across industries, including consumer electronics, industrial systems, and healthcare, with global development centers in Europe and Latin America. This combination of hardware and software makes them a versatile partner for IoT projects.

10. ICONICS

Screenshot of the ICONICS website  

ICONICS
ICONICS company logo

Best for

Edge gateway and IoT connectivity software

Headquarters

Foxborough, MA

Founded

1986

Notable clients

Rockwell Automation, PTC, Eaton

ICONICS develops IoTWorX, an edge gateway software suite for IoT deployments. The platform connects local devices to cloud services like Microsoft Azure and supports protocols such as OPC UA, BACnet, and Modbus. IoTWorX provides data collection, visualization, and analytics for energy, building automation, and industrial environments. 

Founded in 1986, ICONICS has decades of experience in automation software. Their tools are used globally to bridge field assets with secure and scalable cloud-based monitoring systems.

11. ELEKS

Screenshot of the ELEKS website  

ELEKS
ELEKS company logo

Best for

Enterprise scale engineering

Headquarters

Tallinn, Estonia

Founded

1991

Notable clients

Aramex, Autodesk, ESET

ELEKS is a software engineering and consulting company that provides IoT development services for enterprise clients. The firm has over 2,000 specialists worldwide and works across healthcare, logistics, finance, and retail industries. Their services include embedded development, cloud integration, analytics, and application design. 

With clients like Autodesk and Aramex, ELEKS is recognized among leading outsourcing firms and supports businesses building scalable IoT platforms that connect devices, data, and users efficiently.

“ELEKS goes above and beyond when it comes to solving their customers’ problems.”

Clutch.co review

12. Luxoft

Screenshot of the Luxoft website  

Luxoft
Luxoft company logo

Best for

Embedded systems

Headquarters

Zug, Switzerland

Founded

2000

Notable clients

Deutsche Bank, Ford, Boeing

Luxoft is an IT service and consulting company that develops IoT solutions for industries including automotive, finance, and healthcare. As a subsidiary of DXC Technology, Luxoft offers services in connected mobility, embedded systems, and cloud integration. 

Their teams provide custom software development and analytics to support smart devices and large-scale IoT platforms. They have offices around the globe and collaborate with enterprise clients on projects that range from connected cars to digital transformation initiatives.

How To Choose the Right IoT Development Company

Selecting the right IoT development partner can make the difference between a successful product launch and costly delays. The ideal company should align with your technical requirements, budget constraints, and long-term business goals. Consider these key factors to ensure you find a partner that can deliver on your connected product vision.

1. Assess Your Project Needs

Start by clearly defining your project scope, timeline, and technical requirements before reaching out to potential partners. Consider whether you need end-to-end development or specialized services in specific areas like hardware design, cloud integration, or mobile app development.

Key considerations: 

  • Hardware complexity and manufacturing requirements
  • Software and firmware development needs
  • Cloud platform integration and data analytics
  • Regulatory compliance and certification requirements
  • Budget range and project timeline

2. Evaluate the Company’s Portfolio

A strong portfolio demonstrates proven experience in your industry and similar project complexity. Seek out companies that have successfully delivered products with comparable technical challenges and market requirements.

What to look for:

  • Projects similar to your product category and technical requirements
  • Experience with your target industry or market segment
  • Strong design thinking
  • Quality of design and engineering execution
  • Evidence of products that reached market successfully
  • Case studies that detail problem-solving approaches

3. Check Client Reviews and Testimonials

Client feedback provides valuable insights into a company’s communication style, project management capabilities, and ability to meet deadlines. Look beyond marketing materials to find authentic reviews on third-party platforms and industry forums.

What to look for:

  • Communication quality and responsiveness during development
  • Ability to meet project timelines and budget commitments
  • Technical problem-solving skills and innovation
  • Post-launch support and maintenance reliability
  • Overall client satisfaction and likelihood to recommend

4. Consider Ongoing Support and Maintenance

IoT products require ongoing updates, security patches, and technical support throughout their lifecycle. Ensure your development partner offers comprehensive post-launch services or has clear handoff procedures for in-house maintenance.

Support services to look for:

  • Firmware updates and security patches
  • Cloud platform maintenance and scaling
  • Technical support for end users
  • Performance monitoring and analytics
  • Hardware repair and replacement coordination

Bring Your Next IoT Product to Market With StudioRed

The right IoT development partner combines technical expertise, industry knowledge, and proven project management to bring your connected product vision to life. These top companies offer the specialized skills needed to navigate complex hardware, software, and cloud integration challenges while ensuring your product is market-ready and scalable. 

Whether you’re developing your first smart device or expanding an existing product line, StudioRed can accelerate your timeline and reduce development risks.

Our integrated approach to product development combines industrial design, mechanical engineering, and IoT expertise to help bring connected products to market successfully. Get in touch today to learn more about how we can help with your next project.

IoT Development Companies FAQ

These frequently asked questions address common concerns when selecting and working with IoT development partners.

How Do the Best IoT Companies Differentiate Their Solutions and Services?

Leading IoT development companies differentiate through specialized expertise and comprehensive service offerings. Some focus on specific industries like healthcare or automotive, while others excel in technical areas such as edge computing or security. 

The best firms combine deep technical knowledge with strong project management, offering end-to-end services from concept to market launch while maintaining partnerships with leading cloud platforms and manufacturing partners.

What Industries Benefit the Most From Partnering With an IoT Development Company?

Healthcare, manufacturing, agriculture, and smart home sectors benefit most from IoT development partnerships due to complex regulatory requirements and technical challenges. 

Healthcare needs medical device certification expertise, while manufacturers require industrial-grade hardware and real-time analytics. Agriculture benefits from specialized sensor integration, and consumer electronics companies partner with IoT firms to accelerate development rather than building capabilities in-house.

How Do IoT Development Companies Ensure Data Privacy and Security?

Professional IoT development companies implement security measures from device hardware to cloud infrastructure. They follow best practices, including encrypted data transmission, secure authentication, and regular security audits. Many hold certifications like SOC 2 or ISO 27001 and have experience with compliance frameworks such as GDPR and HIPAA. 

Leading firms also conduct penetration testing and provide ongoing security monitoring throughout the product’s lifespan.