Top Internet of Things Companies in Connecticut

Ratings Updated: July 16, 2026

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1 Leaders 11 Contenders

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12 Companies

Country: United States

State: Connecticut

List of the Top Connecticut IoT Developers

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Yalantis

4.8 79 reviews
Premier Verified

$50,000+

$50 - $99 / hr

250 - 999

Serves Connecticut

Services provided

60% IoT Development

10% AI Development

10% BI & Big Data Consulting & SI +2 services

10% Custom Software Development

10% Product Design

Yalantis is a company specializing in custom software solutions, including IoT Development and IoT App Development, particularly in the healthcare sector. With consistently outstanding reviews, they are praised for seamless integration, team continuity, and flexibility, demonstrating reliable results over seven years of collaboration. Clients appreciate their ability to deliver complex features under tight deadlines, enhancing both clinician and patient engagement.

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Reviews mention Experienced
The sentiment regarding Yalantis' experience is overwhelmingly positive. Clients consistently highlight the company's ability to integrate seamlessly with their teams, deliver high-quality results, and adapt to evolving project requirements. For instance, one client praised Yalantis for delivering a telemedicine module in just ten days, showcasing their agility and commitment. Another client commended their thorough project management and team expertise, noting that Yalantis' members are highly focused and organized, leading to successful project outcomes without delays.

Mobile SDK Development for Messaging Platform

5.0 May 5, 2023

Throughout the project, Yalantis demonstrated a deep understanding of mobile development nuances. They tailored the SDKs to accommodate the specific requirements and constraints of each platform, including iOS, Android, React Native, Flutter, and Unity. This comprehensive knowledge and attention to detail significantly contributed to the project's overall success.
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Web Dev for Religious Organization

5.0 Aug 25, 2022

Yalantis is well equipped with experience, talent, and know-how. If you can come in with a well-defined idea, your project will move quickly. On the other hand, they’re adaptable, so if you’re unsure what you want, they can help you shape and mold your ideas into concrete plans.
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Custom Software Development for Health Technology Company

5.0 Jul 11, 2025

We've been working with Yalantis as our technology partner for over seven years, and they have consistently delivered reliable results. They’ve supported the full-cycle development of our digital health platform, including IoT integrations for telehealth, connected care, and wearable devices via BLE. Their team enabled real-time health data collection from multiple devices, which has helped expand capabilities for both clinicians and patients on our platform, enabling more informed decisions and better engagement.
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Custom Software Development for Health Technology Company

5.0 Jul 11, 2025

What sets them apart is their team continuity - we’ve had consistent access to experienced senior engineers and managers. They’ve truly become a part of our team, not just in terms of collaboration but also in mindset and commitment. Yalantis also has the confidence to challenge us constructively when needed, helping us avoid technical pitfalls.
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2 of 2 reviews are 5 stars

Unknown avg. project cost

Reviewed 2 times in the past 6 months
Recent reviews of Yalantis reflect a strong overall sentiment of satisfaction among clients. A founder noted their collaborative nature and effective project management, highlighting timely feature releases and seamless communication. Another client from Psyomics praised their proactive approach, particularly in transforming platform infrastructure, which led to a successful launch of a new product. Both clients emphasized Yalantis's ability to exceed expectations and expressed no areas for improvement, reinforcing their reputation as a reliable partner.
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1 of 1 IoT Development reviews are 5 stars

$1,000,000 – $9,999,999 avg. project cost

IoT Development PROJECT HIGHLIGHT

IoT & Mobile App Development for IoT Hardware & Software Co
5.0 — Yalantis provided development services for an IoT hardware and software company. The team extended the client's network and app version 2.0 and offered iOS and Android development, QA, and project Read more
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United States (45) Israel (3) England (3) China (3) Spain (2) Australia (2) Estonia (2) Canada (2) Sweden (2) Qatar (1) Poland (1) India (1) Norway (1) Nigeria (1) Switzerland (1) United Arab Emirates (1) Denmark (1) Kuwait (1)

This provider is fluent in 2 languages:

English

Ukrainian

This provider is available in 32 time zones:

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

Japan Standard Time (JST)

Midway Islands Time (MIT)

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Cogniteq

4.9 44 reviews
Premier Verified

$10,000+

$50 - $99 / hr

50 - 249

Serves Connecticut

Services provided

10% IoT Development

75% Mobile App Development

10% Web Development +1 service

5% Custom Software Development

Cogniteq is a prominent IoT development company specializing in IoT app development and IoT solutions, delivering high-quality cyber-physical software development. The reviews reveal a 100% positive feedback rate, highlighting their exceptional communication, timely delivery, and expert IoT consulting. Clients commend their ability to integrate seamlessly with internal teams and appreciate their flexible team scaling and IoT infrastructure expertise.

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Reviews mention Detail-oriented
Cogniteq has received positive feedback for their detail-oriented approach, with clients noting their 'great enthusiasm and attention to detail.' One client specifically highlighted the 'very detailed and formal project management' and 'effective and professional communication,' indicating a strong alignment with project requirements. Overall, the sentiment reflects high satisfaction with Cogniteq's meticulous work and responsiveness, contributing to successful project outcomes.

Custom Software & IoT Development for SaaS Company

5.0 Oct 7, 2024

The project management was very detailed and formal with very good regular communications. This level of detail ensured that the team worked very well with our internal team as a virtual extension.
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Web Dev for Design & Communications Agency

4.5 Mar 9, 2023

They demonstrated great enthusiasm and attention to detail. We felt like we were in good hands due to their thoroughness and professionalism. The team was reliable and delivered on time, which further highlighted their detail-oriented nature.
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2 of 2 reviews are 5 stars

$50,000 – $199,999 avg. project cost

Reviewed 2 times in the past 6 months
Recent reviews of Cogniteq highlight their professionalism, strong communication, and timely project delivery. Clients from Lindcom noted meaningful platform growth and praised the proactive engagement of project managers. Zipp Labs emphasized Cogniteq's flexibility and expertise, achieving all deliverables on schedule without critical bugs. Overall, the sentiment is highly positive, with clients appreciating the good value for cost and the commitment to solving challenges. No significant areas for improvement were identified.
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Average Project Cost Breakdown

$10,000 to $49,000 (7) $50,000 to $199,999 (5) $200,000 to $999,999 (4) Less than $10,000 (1)

What Clients Have Said
Cogniteq has received positive feedback regarding their overall cost and value for money. Clients frequently noted that their pricing fits within budget constraints while providing good value. For instance, one client remarked on their 'great value for cost,' while another highlighted that Cogniteq 'helped us increase knowledge' without exceeding budget. The overall sentiment indicates satisfaction with cost-effectiveness and quality, with multiple clients expressing willingness to continue partnerships due to the perceived value provided.
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More responsive than most other service providers

Cogniteq is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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NSI

5.0 11 reviews

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Verified

$1,000+

$200 - $300 / hr

10 - 49

Naugatuck, CT

Services provided

10% IoT Development

50% IT Managed Services

15% Cloud Consulting & SI +2 services

15% IT Strategy Consulting

10% Other IT Consulting and SI

NSI is a managed IT services company that provides comprehensive IT support, including network management, cybersecurity, and technology consulting. With a strong focus on customer service, they have maintained a long-standing partnership with many clients, as evidenced by their high satisfaction rates and notable client retention. Approximately 80% of reviews highlight their exceptional responsiveness and expertise, indicating a strong alignment with client expectations and goals.

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Industry Experience

NSI has demonstrated expertise across various industries including Education, Manufacturing, Energy & Natural Resources, Nonprofit, and Financial Services. Clients commend their exceptional customer service, accessibility, and in-depth IT knowledge. In Education and Nonprofit sectors, NSI's proactive support has significantly boosted operational efficiency. In Manufacturing and Energy sectors, they effectively manage complex IT infrastructures. The overall sentiment reflects strong satisfaction, making NSI a suitable provider for organizations seeking reliable IT solutions across diverse fields.
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Financial services Education Nonprofit Manufacturing Energy & natural resources Healthcare Software

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Average Project Cost Breakdown

Less than $10,000 (2) $50,000 to $199,999 (2) $10,000 to $49,000 (1) $1,000,000 to $9,999,999 (1)

What Clients Have Said
Overall, NSI is perceived as offering good value for money, with clients highlighting their competitive pricing relative to the quality of service. One client noted, 'NSI is a good value for cost,' while another emphasized, 'We've spent around $200,000–$300,000,' considering it a worthwhile investment for their growth. Clients appreciate NSI's responsiveness and effective project management, stating, 'They meet deadlines and stay on budget.' The sentiment is overwhelmingly positive, indicating a strong alignment between cost and service quality.
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More responsive than most other service providers

NSI is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
Get in Touch

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View projects from:

Naugatuck, Connecticut (2) Waterbury, Connecticut (2) Milford, Connecticut (1) Southbury, Connecticut (1) Chicago, Illinois (1) Mount Vernon, New York (1) White Plains, New York (1) Litchfield, Connecticut (1)

This provider is fluent in 1 language:

English

This provider is available in 1 time zone:

Eastern Standard Time (EST)

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Checkmate.Digital

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

New Haven, CT

Services provided

50% IoT Development

50% UX/UI Design

Checkmate.Digital is an user experience design company and IoT development company. Established in 2015, their team offers UX/UI Design and IoT development.
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Harrison Consulting, Inc.

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Fairfield, CT

Services provided

20% IoT Development

20% Custom Software Development

20% Cybersecurity +2 services

20% Mobile App Development

20% Web Development

Harrison Consulting, Inc. Is a Cybersecurity company. The Fairfield, Connecticut-based agency was established in 1994. Their team specializes in Cybersecurity and Custom Software Development.
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Tricom Systems

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Milford, CT

Services provided

50% IoT Development

50% Call Center Services

Tricom Systems is a small Milford, Connecticut-based call center service and IoT development company. Their services include Call Center Services and IoT development.
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Chateaux

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Norwalk, CT

Services provided

10% IoT Development

10% AI Development

10% Blockchain +7 services

10% Cloud Consulting & SI

10% E-Commerce Development

10% IT Managed Services

10% Mobile App Development

10% Other IT Consulting and SI

10% UX/UI Design

10% Web Development

Chateaux is a small user experience design agency launched in 1985. Their team focuses on UX/UI Design and cloud consulting & SI.
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Fonantrix

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Stamford, CT

Services provided

20% IoT Development

40% BI & Big Data Consulting & SI

20% AI Development +1 service

20% Mobile App Development

Fonantrix is a business intelligence company established in 2011. Their team specializes in BI & big data consulting & SI and Mobile App Development.
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Clarus Tech Partners

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Stamford, CT

Services provided

10% IoT Development

10% Application Management & Support

10% Application Testing +7 services

10% Blockchain

10% Branding

10% Business Consulting

10% Conversion Optimization

10% Cybersecurity

10% Mobile App Development

10% Web Development

Clarus Tech Partners is a branding company founded in 2018. The team focuses on Branding and Conversion Optimization and is in New York, New York and West Palm Beach, Florida.
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Stamford, CT

Soundview Plaza, 1266 E Main Street Suite 700R
Stamford, CT 06902
6 - 9

+1.646.926.3850

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Revolutionary Integration Group Inc

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Bethany, CT

Services provided

25% IoT Development

50% AI Development

25% AI Consulting

Revolutionary Integration Group Inc, a small AI development company, is in Bethany, Connecticut. Their services include Artificial Intelligence and IoT development.
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Trusted AI

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Shelton, CT

Services provided

20% IoT Development

30% AI Consulting

30% AI Development +1 service

20% Cybersecurity

Trusted AI, an artificial intelligence firm, was founded in 2008. The agency offers Artificial Intelligence and AI Consulting, and is small.
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Delonti

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Groton, CT

Services provided

20% IoT Development

20% AI Consulting

20% AI Development +2 services

20% Blockchain

20% Cloud Consulting & SI

Delonti is a cloud consulting & SI company headquartered in Groton, Connecticut. They offer cloud consulting & SI and IoT development and were launched in 1998.
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Glumeberg Innovations

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Fairfield, CT

Services provided

20% IoT Development

20% BI & Big Data Consulting & SI

20% Video Production +2 services

20% Web Design

20% Web Development

Glumeberg Innovations is a web design agency. The Fairfield, Connecticut-based company was founded in 2016. Their services include Web Design and Video Production.
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CareAR

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Norwalk, CT

Services provided

10% IoT Development

30% AR/VR Development

20% AI Development +3 services

20% IT Managed Services

10% IT Strategy Consulting

10% Mobile App Development

CareAR is an AR/VR development company. Headquartered in Norwalk, Connecticut, the team focuses on AR/VR development and IT managed services.
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Focus

Proven

Market Leaders

Emerging

Niche

Clutch Leaders Matrix

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1 NSI

A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.

By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More

Focus (x-axis)

Focus accounts for a company’s specialization within a certain service.

Ability to Deliver (y-axis)

Ability to Deliver considers three criteria:

Client feedback and reviews
Work experience and previous projects
Market presence and reputation in the industry

List of the Top 1 Connecticut IoT Developers

NSI

$1,000+

$200 - $300 / hr

10 - 49

Naugatuck, CT

Ability to deliver

35.2/40.0

16.6/20 Reviews

9.9/10 Clients & Experience

8.7/10 Market Presence

Service focus

10% IoT Development

90% Other

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Checkmate.Digital

Undisclosed

Undisclosed

10 - 49

New Haven, CT

Ability to deliver

5.3/40.0

0/20 Reviews

0/10 Clients & Experience

5.3/10 Market Presence

Service focus

50% IoT Development

50% Other

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Harrison Consulting, Inc.

Undisclosed

Undisclosed

10 - 49

Fairfield, CT

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% IoT Development

80% Other

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Tricom Systems

Undisclosed

Undisclosed

2 - 9

Milford, CT

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

50% IoT Development

50% Other

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Chateaux

Undisclosed

Undisclosed

10 - 49

Norwalk, CT

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

10% IoT Development

90% Other

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Fonantrix

Undisclosed

Undisclosed

10 - 49

Stamford, CT

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% IoT Development

80% Other

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Clarus Tech Partners

Undisclosed

Undisclosed

2 - 9

Stamford, CT

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

10% IoT Development

90% Other

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Revolutionary Integration Group Inc

Undisclosed

Undisclosed

10 - 49

Bethany, CT

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

25% IoT Development

75% Other

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Trusted AI

Undisclosed

Undisclosed

2 - 9

Shelton, CT

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% IoT Development

80% Other

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Delonti

Undisclosed

Undisclosed

2 - 9

Groton, CT

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% IoT Development

80% Other

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Glumeberg Innovations

Undisclosed

Undisclosed

2 - 9

Fairfield, CT

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

20% IoT Development

80% Other

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CareAR

Undisclosed

Undisclosed

50 - 249

Norwalk, CT

Ability to deliver

0/40.0

0/20 Reviews

0/10 Clients & Experience

0/10 Market Presence

Service focus

10% IoT Development

90% Other

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Top Internet of Things Companies in Connecticut

List of the Top Connecticut IoT Developers

Reviews mention Experienced

Mobile SDK Development for Messaging Platform

Web Dev for Religious Organization

Custom Software Development for Health Technology Company

Custom Software Development for Health Technology Company

Reviewed 2 times in the past 6 months

IoT & Mobile App Development for IoT Hardware & Software Co

Reviews mention Detail-oriented

Custom Software & IoT Development for SaaS Company

Web Dev for Design & Communications Agency

Reviewed 2 times in the past 6 months

Average Project Cost Breakdown

What Clients Have Said

Cogniteq is very responsive

Industry Experience

Select Industry to see insights