Top 16 Internet of Things (IoT) Development Companies

Building a connected product means getting sensors, firmware, hardware, cloud platforms, and user interfaces to work together, which can be difficult to do in-house. An Internet of Things (IoT) development company provides end-to-end support across the full development cycle.

This article highlights 16 of the top IoT development companies, their specialties, and examples of their work, helping you find the right partner for your connected product.

Top IoT Development Companies at a Glance

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

StudioRed

Services

Industrial design, mechanical engineering, IoT hardware development

Headquarters

Palo Alto, CA

Founded

1983

Notable clients

Meta, Microsoft, 7-Eleven

StudioRed is a Palo Alto-based product development consultancy with over 40 years of experience and 4,500+ completed projects. We cover industrial design, mechanical engineering, UX/UI, and prototyping, which allows us to develop innovative IoT products that require both physical and digital design expertise.

Some of our recent work:

• Token Ring 3: StudioRed packed a FIDO2 fingerprint sensor into a minimal jewelry form factor, producing a biometric authentication ring with no visible buttons or ports.
• 7-Eleven Quick Check-Out: StudioRed designed a connected POS kiosk launched across 7-Eleven stores in 2023, integrating hardware design, embedded UI, and real-time payment infrastructure into a single system.
• Enphase’s Ensemble™ System: StudioRed developed a cohesive industrial design language across Enphase’s connected product line, unifying the brand aesthetic across hardware components.

2. Voler Systems

Voler Systems

Services

Electrical engineering, IoT hardware development, sensor integration

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. Dynamic Group Circuit Design (DGCD)

Dynamic Group Circuit Design (DGCD)

Services

Electrical engineering, firmware development, 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

Spanner

Services

Mechanical engineering, hardware design, product strategy

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

Iomico

Services

IoT hardware development, embedded systems, product prototyping

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.

6. Yalantis

Yalantis

Services

IoT software development, hardware prototyping, AI/ML development

Headquarters

Warsaw, Poland

Founded

2008

Notable clients

Bosch, KPMG, Google X

Yalantis is a full-cycle IoT development firm with 400+ engineers covering software, hardware, embedded systems, and AI under one roof. ISO 27001, ISO 9001, and ISO 13485 certified, they’re a good fit for enterprise clients with strict compliance requirements. 

The firm has delivered connected products across healthcare, industrial manufacturing, logistics, and pharma for clients including Bosch and Toyota Tsusho, with an average client collaboration term of four-plus years.

7. Tact

Tact

Services

Mechanical engineering, DFM, prototyping, manufacturing consulting

Headquarters

Redwood City, CA

Founded

2003

Notable clients

Tonal, Logitech, HP, Backbone

Tact Product Development has spent over two decades engineering connected hardware for some of the most recognizable names in consumer electronics, from the Tonal intelligent home gym to the HP Reverb G2 VR headset to the Backbone One gaming controller. 

What sets Tact apart is the continuity they offer from prototype to production. Their engineering team handles mechanical design, DFM, and rapid prototyping, and can provide on-site manufacturing support in both the US and Asia — so the same team that built the product is present when it hits the factory floor. That end-to-end accountability makes them a good fit for hardware teams that can’t afford a knowledge gap between development and manufacturing.

8. Velvetech

Velvetech

Services

IoT software development, IIoT solutions, custom software development

Headquarters

Chicago, IL

Founded

2004

Notable clients

Blue Cross Blue Shield, Insureon, FedEx Cross Border

Velvetech sits further down the hardware stack than most IoT software firms. Beyond app and cloud development, their team designs circuit boards, manages BOMs, and handles hardware procurement. They’re a practical choice for companies that need a single partner to own the full connected product build.

With over 20 years of experience and 1,000+ projects under their belt, Velvetech has concentrated heavily on industrial IoT: IoT-enabled predictive maintenance, real-time asset tracking, and ERP integrations for manufacturing and logistics clients. Healthcare and fintech round out their primary verticals.

9. Synapse

Synapse

Services

IoT product development, connectivity & RF engineering, embedded systems, AI/ML integration

Headquarters

Seattle, WA

Founded

2001

Notable clients

Uber, Nixon, Iridium

Now part of Capgemini Invent, Synapse brings enterprise-level resources to hardware product development without losing the hands-on engineering culture that built their reputation. Over 25 years and 1,500+ projects, they’ve worked across consumer electronics, life sciences, healthcare, and industrial IoT.

Synapse handles custom antenna design, RF system architecture, and cellular and satellite communications, including connected devices deployed in electromagnetically harsh environments where most firms won’t go. They’ve also built internal tooling around their IoT work. BlueSee, their open-source Bluetooth Low Energy debugging toolkit, came directly out of their embedded software practice. Teams that need rigorous wireless engineering alongside full product development will find more depth here than at most generalist firms.

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.

10. Softeq

Softeq

Services

Embedded systems, IoT software development, IoT consulting

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.

11. ICONICS

ICONICS

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.

12. Acorn

Acorn

Services

IoT product development, mechanical & electrical engineering, industrial design, manufacturing consulting

Headquarters

Milpitas, CA

Founded

1993

Notable clients

Intuitive Surgical, Keurig, Boston Dynamics, Apple

Acorn Product Development has been engineering hardware out of Silicon Valley for over 30 years, working across robotics, medical devices, consumer products, data center equipment, and IoT. Their client list spans from garage startups to Fortune 500s, reflecting a firm comfortable operating at very different scales and levels of complexity.

On the IoT side, Acorn covers the full development lifecycle, from market research and feasibility through hardware design, embedded systems engineering, mobile app development, and regulatory certification. They also bring IoT capability to verticals most firms treat separately, including agricultural, automotive, and smart city applications.

13. Luxoft

Luxoft

Services

IoT consulting, embedded systems, connected mobility solutions

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.

14. Intersog

Intersog

Services

IoT software development, custom software development, IT staff augmentation

Headquarters

Chicago, IL

Founded

2005

Notable clients

CDW, Mitsubishi, Northern Trust

Where Intersog stands out is in its flexibility. In addition to full project builds, they offer IT staff augmentation, placing engineers directly within your team rather than operating as a separate vendor. That model works well for organizations that have some internal capacity but need specialized IoT or AI talent to fill gaps.

Their client roster skews toward large enterprises and Fortune 500 companies, with automotive and finance appearing as particularly strong verticals. With 1,300+ projects delivered over 20 years from their Chicago headquarters, they’re one of the more established US-based options on this list.

15. Itransition

Itransition

Services

IoT consulting, custom software development, IoT architecture design

Headquarters

Decatur, GA

Founded

1998

Notable clients

IATA, Lloyd’s Register, GSMA

Itransition is one of the oldest firms on this list, and with 3,000+ engineers, 1,530+ completed projects, and clients across 40 countries, the scale shows. That kind of institutional experience is useful for complex enterprise IoT builds where getting the architecture right from the start matters.

What sets them apart is the consulting-first posture. Itransition leads with consulting before development, making them a good fit for organizations that need help defining their IoT architecture first, not just a team to execute a scoped build.

16. Dogtown Media

Dogtown Media

Services

Mobile app development, IoT development, AI/ML development

Headquarters

Los Angeles, CA

Founded

2011

Notable clients

United Nations, Lexus, Citi

Dogtown Media is a mobile-first development shop. Their IoT work centers on the software and app layer, building mobile interfaces, dashboards, and connected experiences that sit atop IoT hardware. Companies that already have hardware figured out and need a strong mobile development partner to bring the user-facing side to life will find a good fit here.

Healthcare is their deepest vertical, with dedicated practices for HIPAA-compliant apps, medical wearables, remote patient monitoring, and clinical trial software.

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. Whether you’re developing your first smart device or expanding an existing line, the companies on this list offer the specialized skills to navigate hardware, software, and cloud integration challenges.

StudioRed’s integrated approach spans industrial design, mechanical engineering, and IoT expertise, giving you a single partner accountable for the finished product. 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.