Top Internet of Things Companies in the United Kingdom
IoT projects are unusual in that they span hardware, software, and connectivity all at once, and the U.K. has the engineering depth to cover all three. U.K. IoT companies build connected devices and firmware, the apps and dashboards that control them, and the cloud integration and data pipelines behind them, serving consumer products, industrial IoT, healthcare, and smart buildings. Deep-tech and embedded talent clusters around Cambridge, Edinburgh, and Glasgow alongside London's software scene.
Clutch connects you with IoT companies in the United Kingdom vetted through verified client reviews, so you can compare hardware and software capability, relevant experience, and value before you hire. Use the filters below to narrow by budget, industry, and team size, or explore related directories:
• Top Internet of Things Companies
• Internet of Things Companies in London
• Internet of Things Companies in Cambridge
15 Leaders 15 Contenders
232 Companies
List of the Top United Kingdom IoT Developers
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$50,000+$50 - $99 / hr250 - 999Serves United KingdomServices provided
50% IoT Development10% AI Development10% Contract Manufacturing +3 services10% Custom Software Development10% Engineering10% Product DesignSee all 79 projectsYalantis is a prominent IoT App Development company recognized for its expertise in custom healthcare software solutions with IoT integration. They are praised for their seamless team integration, consistent delivery of reliable outcomes, and ability to adapt to changing requirements, with 100% positive feedback emphasizing their dedication, team continuity, and strategic partnership capabilities.
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, 2023Throughout 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, 2022Yalantis 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, 2025We'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, 2025What 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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1 of 1 reviews is 5 starsUnknown avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
Yalantis has received positive feedback over the last six months, with clients praising their collaborative approach and effective communication. One client highlighted their ability to deliver features on time and their strong project management practices, noting seamless integration with existing teams. Overall, the sentiment towards Yalantis is highly favorable, with clients expressing satisfaction and no significant areas for improvement identified.Was this helpful?
1 of 1 IoT Development reviews are 5 stars$1,000,000 – $9,999,999 avg. project costRead 1 ReviewIoT 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 moreWas this helpful?
Industry Experience
Yalantis has demonstrated expertise across various industries, notably in Information Technology, Healthcare, Advertising & Marketing, and eCommerce. Clients commend their collaborative approach, technical skills, and effective project management. In IT, Yalantis excelled in developing complex platforms, while in Healthcare, they provided robust solutions for patient engagement. Their work in Advertising showcased their ability to optimize platforms efficiently. Overall, feedback indicates a strong sentiment of satisfaction, making Yalantis a strong candidate for clients in IT, Healthcare, and eCommerce sectors.
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Software Supply Chain, Logistics, and Transport Healthcare eCommerce Engineering Real estate Food & Beverage Other Industry Medical Education Non-profit IT Services Logistics & Supply Chain Consulting Hospitality & leisure Automotive Manufacturing Food & Beverages Telecommunications Media Business services Energy & natural resources Consumer Products Nonprofit Information technology Financial services Advertising & marketing Other industries Arts, entertainment & musicWas this helpful?
$10,000+$50 - $99 / hr50 - 249Serves United KingdomServices provided
10% IoT Development75% Mobile App Development10% Web Development +1 service5% Custom Software DevelopmentSee all 45 projectsCogniteq is a distinguished Internet of Things Development company, specializing in IoT App Development and IoT Solutions. Across various projects, 100% of reviews highlight their effective communication and project management, with clients appreciating their technical expertise, timely deliverables, and adaptability to project needs. Their consistent delivery of high-quality IoT features underscores their reputation for excellence in IoT App Development and consulting services.
3 of 3 IoT Development reviews are 5 stars$10,000 – $49,000 avg. project costRead 3 ReviewsIoT Development PROJECT HIGHLIGHT
Mobile App Dev for Control Systems Manufacturer
5.0 — Cogniteq developed an Android app for a control systems manufacturer. After learning the goals, they helped validate the client's IoT solution with a proof-of-concept app. Read moreWas this helpful?
Industry Experience
Cogniteq has garnered positive feedback across various industries, notably in Information Technology, Consumer Products, and Medical sectors. Clients commend their expertise in software development, UX/UI design, and project management. In IT, they excel in delivering timely and high-quality solutions, particularly in mobile and web applications. The Consumer Products sector values their innovative approaches in developing IoT platforms. Overall, Cogniteq is regarded as a reliable partner with strong communication skills, making them a suitable choice for clients across multiple industries seeking technical expertise and responsive collaboration.
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Advertising & marketing Business services Healthcare Software Consulting IT Services Medical Engineering Automotive Design Telecommunications Pharmaceuticals Media Consumer products & services Information technologyWas this helpful?
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$25,000+$25 - $49 / hr2 - 9Cirencester, England
Services provided
15% IoT Development40% IT Staff Augmentation15% Custom Software Development +2 services15% IT Strategy Consulting15% Web DevelopmentThe Sourcing Hub is an IT staff augmentation company. They focus on IT staff augmentation and Custom Software Development and are based in Cirencester, England.
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UndisclosedUndisclosed50 - 249London, England
Services provided
30% IoT Development35% Business Consulting35% Logistics & Supply Chain ConsultingBusiness Consulting company Circulor was established in 2017. Located in London, England and Berlin, Germany, the team specializes in Business Consulting and Logistics & Supply Chain Consulting.
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$50,000+$50 - $99 / hr10 - 49London, England
Services provided
10% IoT Development25% AI Development25% Custom Software Development +4 services15% Mobile App Development15% Web Development5% AI Agents5% AI ConsultingSoftware Development UK is a custom software development firm. The London, England-based agency was founded in 2021. Their team offers Custom Software Development and Artificial Intelligence.
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$1,000+< $25 / hr2 - 9Ilford, England
Services provided
20% IoT Development20% API Development20% Custom Software Development +2 services20% Mobile App Development20% Web DevelopmentP2P Network Design LTD is a custom software development firm. Launched in 1999, the firm is located in Ilford, England. Their team offers Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9London, England
Services provided
20% IoT Development20% Engineering20% Web Development +4 services10% API Development10% Business Consulting10% Computer Engineering10% Custom Software DevelopmentGrespi Technology is a website development company. Headquartered in London, England, the agency provides Web Development and IoT development.
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$1,000+$25 - $49 / hr2 - 9Derby, England
Services provided
20% IoT Development30% Custom Software Development15% Digital Engineering +3 services15% Mobile App Development15% Web Development5% Robotics Process AutomationStackware is a custom software development firm. The team provides Custom Software Development and IoT development, and the company is based in Derby, England and Islamabad, Pakistan.
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UndisclosedUndisclosed10 - 49London, England
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35% IoT Development35% AI Development30% Cloud Consulting & SIConcirrus, an artificial intelligence development company, offer Artificial Intelligence and IoT development. They were founded in 2012.
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$10,000+$50 - $99 / hr2 - 9Barrow, England
Services provided
40% IoT Development20% Cloud Consulting & SI20% Custom Software Development +1 service20% Web DesignIoT development company Ringtail Software is based in Barrow, England. They focus on IoT development and Custom Software Development.
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UndisclosedUndisclosed2 - 9Edinburgh, Scotland
Services provided
40% IoT Development20% Cloud Consulting & SI20% Custom Software Development +1 service20% IT Managed ServicesIT Foundations Limited is an IoT development company. Their small team is in Edinburgh, Scotland. Their services include IoT development and Custom Software Development.
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UndisclosedUndisclosed2 - 9Edinburgh , Scotland
Services provided
40% IoT Development30% Cybersecurity15% Cloud Consulting & SI +1 service15% IT Managed ServicesLucid Networks Ltd, an IoT development company, is in Edinburgh , Scotland. They offer IoT development and Cybersecurity.
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Undisclosed$25 - $49 / hr50 - 249London, England
Services provided
10% IoT Development10% Custom Software Development10% Digital Strategy +11 services10% IT Managed Services10% IT Strategy Consulting10% Search Engine Optimization10% UX/UI Design10% Web Design10% Web Development6% AI Development1% Blockchain1% Business Consulting1% HR Consulting1% Mobile App DevelopmentSynycs Group is a Digital Strategy company located in London, England. The team provides Digital Strategy and Search Engine Optimization.
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$5,000+Undisclosed10 - 49Nottingham, England
Services provided
10% IoT Development45% Custom Software Development45% Other DesignIgnys Ltd is a Nottingham, England-based Other Design company. They provide Other Design and Custom Software Development.
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$5,000+$100 - $149 / hr10 - 49Forres, Scotland
Services provided
10% IoT Development65% IT Managed Services25% CybersecurityManx Technology Group is an IT managed services company. They are in Douglas, Isle of Man and Forres, Scotland, and their services include IT managed services and Cybersecurity.
Read moreSee All Locations (2)Forres, Scotland
Enterprise Park
Forres, Scotland IV36 2AB2 - 5
01309 532437
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$25,000+$50 - $99 / hr2 - 9Warrington, England
Services provided
15% IoT Development15% API Development15% E-Commerce Development +5 services15% Web Development10% AI Development10% BI & Big Data Consulting & SI10% Cloud Consulting & SI10% Product DesignDotnet is a website development company. Based in Warrington, England, the team provides Web Development and E-Commerce Development.
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$10,000+$100 - $149 / hr10 - 49Pool, England
Services provided
10% IoT Development45% Custom Software Development10% Application Management & Support +5 services10% Cloud Consulting & SI10% E-Commerce Development5% AI Development5% Cybersecurity5% Mobile App DevelopmentN-Coders is a custom software development firm. The team provides Custom Software Development and cloud consulting & SI, and the company is based in Pool, England and England.
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$1,000+$100 - $149 / hr10 - 49Manchester, England
Services provided
10% IoT Development75% Cloud Consulting & SI10% Custom Software Development +1 service5% IT Staff AugmentationD55 is a cloud consulting & SI company. They are in Manchester, England. Their team provides cloud consulting & SI and Custom Software Development.
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UndisclosedUndisclosed10 - 49London, England
Services provided
10% IoT Development10% AI Consulting10% AI Development +10 services10% AR/VR Development10% Blockchain10% Generative AI10% Robotics Process Automation5% BI & Big Data Consulting & SI5% Business Consulting5% Cloud Consulting & SI5% Cybersecurity5% ERP Consulting and SI5% Other IT Consulting and SILocated in London, England and Mumbai, India, Network Science is an AR/VR development company. They specialize in AR/VR development and IoT development.
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$10,000+$100 - $149 / hr2 - 9Leicester, England
Services provided
10% IoT Development40% Mobile App Development20% Web Development +3 services10% Custom Software Development10% Low/No Code Development10% Other Application DevelopmentSwipe & Tap is a Leicester, England-based mobile application development firm. The team focuses on Mobile App Development and Web Development.
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$5,000+$100 - $149 / hr2 - 9Glasgow, Scotland
Services provided
10% IoT Development10% AR/VR Development10% Custom Software Development +7 services10% E-Commerce Development10% Mobile App Development10% Other Application Development10% UX/UI Design10% Wearable App Development10% Web Design10% Web DevelopmentNeu is a Glasgow, Scotland-based custom software development firm. Launched in 2004, the team specializes in Custom Software Development and UX/UI Design.
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$5,000+$100 - $149 / hr2 - 9Basingstoke, England
Services provided
10% IoT Development60% Mobile App Development15% Application Management & Support +2 services10% Web Development5% Enterprise App ModernizationEstablished in 2014, Apptaura is a small application development firm. Their team focuses on Mobile App Development and Application Management & Support.
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$25,000+$50 - $99 / hr2 - 9London, England
Services provided
15% IoT Development70% Mobile App Development15% Wearable App DevelopmentScienta Consulting is a London, England-based mobile app development company. Founded in 2020, the team provides Mobile App Development and IoT development.
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Undisclosed$50 - $99 / hr2 - 9Luton, England
Services provided
15% IoT Development25% Custom Software Development25% Cybersecurity +4 services10% AI Development10% Mobile App Development10% Web Development5% Cloud Consulting & SISee all 1 projectsTechspace International is a dynamic and innovative IT company committed to delivering cutting-edge solutions that drive digital transformation and empower businesses to thrive in the fast-paced
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$10,000+$50 - $99 / hr2 - 9London, England
Services provided
15% IoT Development20% AI Development15% BI & Big Data Consulting & SI +4 services15% Cloud Consulting & SI15% IT Strategy Consulting10% AI Consulting10% Generative AIBayseian is an artificial intelligence company. They specialize in Artificial Intelligence and IT strategy consulting and are in London, England.
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$1,000+$25 - $49 / hr2 - 9London, England
Services provided
15% IoT Development50% Custom Software Development20% Digital Engineering +1 service15% Cloud Consulting & SIChecQR is a software development company. Established in 2024, the company is located in London, England. Their team provides Custom Software Development and Digital Engineering.
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$5,000+$50 - $99 / hr2 - 9London, England
Services provided
10% IoT Development50% Mobile App Development10% AI Development +3 services10% Mobile & App Marketing10% Product Design10% Web DevelopmentMobile app development firm GOOD SEEDS is based in London, England. They focus on Mobile App Development and Artificial Intelligence.
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$1,000+Undisclosed10 - 49London, England
Services provided
10% IoT Development40% Web Development20% Web Design +3 services10% Blockchain10% IT Managed Services10% IT Strategy ConsultingSmall web development company FAQTORY LTD, is based in London, England. Their services include Web Development and Web Design.
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UndisclosedUndisclosed10 - 49Long Crendon, England
Services provided
10% IoT Development30% Engineering10% Custom Software Development +5 services10% DevOps Managed Services10% Digital Engineering10% Manufacturing Consulting10% Product Design10% Robotics Process AutomationEngineering company Hooper Quinn is based in Long Crendon, England. They focus on Engineering and Product Design.
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$5,000+$100 - $149 / hr10 - 49Leicester, England
Services provided
30% IoT Development50% IT Managed Services20% CybersecurityIT managed services company Kite Distribution is located in Leicester, England. The team focuses on IT managed services and IoT development.
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UndisclosedUndisclosed10 - 49Manchester, England
Services provided
30% IoT Development50% Cybersecurity20% AI DevelopmentCybersecurity company Secarma Ltd was founded in 2001. The team provides Cybersecurity and IoT development.
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$1,000+$150 - $199 / hr50 - 249London, England
Services provided
25% IoT Development50% BI & Big Data Consulting & SI25% Mobile App DevelopmentBig data analytics company Climber specializes in BI & big data consulting & SI and IoT development. They were founded in 2005.
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$5,000+$25 - $49 / hr50 - 249Tredegar, Wales
Services provided
25% IoT Development40% Engineering35% Product DesignLaunched in 2023, Keymech Designs, a midsize Engineering company, is based in Wah Cantt, Pakistan and Tredegar, Wales. Their team offers Engineering and Product Design.
Read moreSee All Locations (2)Tredegar, Wales
26 Commercial Street
Tredegar, Wales NP22 3DH16 - 20
+447804571006
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$25,000+$100 - $149 / hr2 - 9Holt, England
Services provided
10% IoT Development20% Custom Software Development20% Product Design +5 services20% UX/UI Design15% Enterprise App Modernization5% AI Development5% Corporate Training & Coaching5% IT Strategy ConsultingEvident, an user experience company, was founded in 2014. The small team provides UX/UI Design and Product Design.
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$5,000+$300+ / hr2 - 9Middlesbrough, England
Services provided
10% IoT Development40% BI & Big Data Consulting & SI20% Custom Software Development +3 services15% Logistics & Supply Chain Consulting10% Web Design5% Other Application DevelopmentSeerBI is a Middlesbrough, England-based big data company. The team provides BI & big data consulting & SI and Custom Software Development.
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$5,000+$50 - $99 / hr2 - 9Glasgow, Scotland
Services provided
10% IoT Development25% Web Design25% Web Development +3 services20% Branding10% Mobile App Development10% UX/UI DesignWeb design company Vertical Vertical was launched in 2022. The small team specializes in Web Design and Web Development.
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$1,000+$50 - $99 / hrFreelancerRingwood, England
Services provided
10% IoT Development50% Custom Software Development20% Mobile App Development +2 services10% AR/VR Development10% Other Application DevelopmentCustom software development company Comsci Ltd. Was launched in 1990. The small team focuses on Custom Software Development and Mobile App Development.
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$5,000+$25 - $49 / hr10 - 49Manchester, England
Services provided
10% IoT Development20% Social Media Marketing15% Search Engine Optimization +7 services10% AR/VR Development10% Branding10% Mobile App Development10% Web Development5% Graphic Design5% Logo5% UX/UI DesignTekScrum is a social media marketing firm headquartered in Manchester, England and Karachi, Pakistan. They specialize in Social Media Marketing and Search Engine Optimization and were founded in
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UndisclosedUndisclosed2 - 9South Croydon, England
Services provided
10% IoT Development30% Custom Software Development10% AI Development +7 services10% BI & Big Data Consulting & SI10% Cloud Consulting & SI10% Web Development5% Architectural Design5% Cybersecurity5% Mobile App Development5% Web DesignOasis Private Limted is a software development company established in 2022. Their team offers Custom Software Development and BI & big data consulting & SI.
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$25,000+$25 - $49 / hr2 - 9Ruislip, England
Services provided
10% IoT Development10% AI Development10% BI & Big Data Consulting & SI +8 services10% Blockchain10% Custom Software Development10% IT Strategy Consulting10% Other Application Development8% Product Design8% Robotics Process Automation7% AI Consulting7% Generative AIMachiNx Ltd is a small IT strategy consulting company. They offer IT strategy consulting and BI & big data consulting & SI and were established in 2023.
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Undisclosed$50 - $99 / hr2 - 9Beechwood Business Park North, England
Services provided
10% IoT Development40% Custom Software Development20% Mobile App Development +3 services10% API Development10% DevOps Managed Services10% Enterprise App ModernizationSMK Digital Ltd is a software development company founded in 2012. The team focuses on Custom Software Development and Mobile App Development and is based in Beechwood Business Park North, England.
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$10,000+$50 - $99 / hr2 - 9Albourne, England
Services provided
30% IoT Development20% Custom Software Development10% BI & Big Data Consulting & SI +4 services10% Cloud Consulting & SI10% E-Commerce Development10% Mobile App Development10% Web DesignBased in Albourne, England, We Talk IT is a small IoT development company. Their services include IoT development and Custom Software Development.
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UndisclosedUndisclosed2 - 9London, England
Services provided
30% IoT Development40% AI Development30% BI & Big Data Consulting & SIFounded in 2014, Metafused is an artificial intelligence development company. The team offers Artificial Intelligence and BI & big data consulting & SI.
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UndisclosedUndisclosed2 - 9Leeds , England
Services provided
30% IoT Development30% Custom Software Development20% Application Testing +1 service20% Cloud Consulting & SITrueNorth IT Ltd is a software development firm established in 2014. Based in Leeds , England, the team specializes in Custom Software Development and IoT development.
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UndisclosedUndisclosed2 - 9Cheltenham, England
Services provided
30% IoT Development35% AI Development35% Cloud Consulting & SIOriginal is a Cheltenham, England-based cloud consulting & SI company. The team specializes in cloud consulting & SI and Artificial Intelligence.
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UndisclosedUndisclosed2 - 9Manchester, England
Services provided
30% IoT Development30% AI Development20% Engineering +1 service20% Robotics Process AutomationFounded in 2023, Mave Innovations is a small IoT development company. Their services include IoT development and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49London, England
Services provided
25% IoT Development25% Branding25% Graphic Design +1 service25% Product DesignLaunched in 2010, Precipice Design is a branding firm. The small team provides Branding and Graphic Design.
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UndisclosedUndisclosed50 - 249Glasgow , Scotland
Services provided
20% IoT Development40% Custom Software Development20% Cloud Consulting & SI +1 service20% IT Strategy ConsultingLuminis UK Limited is a software development company. Founded in 2002, the team focuses on Custom Software Development and IT strategy consulting.
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UndisclosedUndisclosed50 - 249Edinburgh, Scotland
Services provided
20% IoT Development20% AI Development20% Cloud Consulting & SI +2 services20% Mobile App Development20% Robotics Process AutomationFounded in 2010, Purview is a cloud consulting & SI company. The company focuses on cloud consulting & SI and Mobile App Development, and is midsize.
Read moreSee All Locations (3)Edinburgh, Scotland
1 St Colme Street, New Town
Edinburgh, Scotland EH3 6AA16 - 20
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UndisclosedUndisclosed50 - 249Telford, Shropshire, England
Services provided
20% IoT Development40% Application Testing20% DevOps Managed Services +1 service20% IT Strategy ConsultingNFocus Testing, an Application Testing company, was established in 2000. The agency offers Application Testing and IT strategy consulting, and is midsize.
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UndisclosedUndisclosed50 - 249London, England
Services provided
20% IoT Development20% Application Testing20% Cloud Consulting & SI +2 services20% IT Managed Services20% IT Strategy ConsultingIT strategy consulting company The Open Geospatial Consortium (OGC) is in Arlington, Virginia and London, England. They offer IT strategy consulting and cloud consulting & SI.
Read moreSee All Locations (2)London, England
6th Floor 9 Appold Street
London, England EC2A 2AP2 - 5
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UndisclosedUndisclosed50 - 249Harrow on the Hill, England
Services provided
20% IoT Development20% Application Testing20% BI & Big Data Consulting & SI +2 services20% Mobile App Development20% UX/UI DesignUX company Ab Ovo, Inc. Was founded in 2006. The agency offers UX/UI Design and BI & big data consulting & SI.
Read moreSee All Locations (3)Harrow on the Hill, England
Ground Floor Office Cervantes House, 5-9 Headstone Road
Harrow on the Hill, England HA1 1PDWas this helpful?
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List of the Top 15 United Kingdom IoT Developers
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$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
34.5/40.019.8/20 Reviews9.8/10 Clients & Experience4.9/10 Market PresenceService focus
20% IoT Development80% Other -
$50,000+$150 - $199 / hr250 - 999London, England
Ability to deliver
36/40.020/20 Reviews10/10 Clients & Experience6/10 Market PresenceService focus
10% IoT Development90% Other -
$25,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
30.7/40.016.6/20 Reviews10/10 Clients & Experience4.1/10 Market PresenceService focus
45% IoT Development55% Other -
$100,000+$50 - $99 / hr1,000 - 9,999London , England
Ability to deliver
31.1/40.015.8/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
15% IoT Development85% Other -
$25,000+$50 - $99 / hr50 - 249Cobham, England
Ability to deliver
32.3/40.017.8/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
10% IoT Development90% Other -
$50,000+$50 - $99 / hr250 - 999Farnborough, England
Ability to deliver
31/40.015.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
10% IoT Development90% Other -
Undisclosed< $25 / hr10 - 49London, England
Ability to deliver
29.7/40.015.8/20 Reviews10/10 Clients & Experience3.9/10 Market PresenceService focus
25% IoT Development75% Other -
$1,000+$25 - $49 / hr250 - 999Leeds, England
Ability to deliver
30.7/40.016.6/20 Reviews9.3/10 Clients & Experience4.8/10 Market PresenceService focus
10% IoT Development90% Other -
$50,000+$100 - $149 / hr10 - 49Sheffield, England
Ability to deliver
29.4/40.015.8/20 Reviews9.8/10 Clients & Experience3.9/10 Market PresenceService focus
25% IoT Development75% Other -
$5,000+$25 - $49 / hr10 - 49Wangford, England
Ability to deliver
31.3/40.017.2/20 Reviews10/10 Clients & Experience4.1/10 Market PresenceService focus
10% IoT Development90% Other -
$5,000+$50 - $99 / hr10 - 49Leicester, England
Ability to deliver
30.4/40.017.6/20 Reviews8.7/10 Clients & Experience4.1/10 Market PresenceService focus
15% IoT Development85% Other -
$5,000+< $25 / hr50 - 249LONDON, England
Ability to deliver
29.1/40.015.8/20 Reviews9.2/10 Clients & Experience4.1/10 Market PresenceService focus
15% IoT Development85% Other -
$10,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
30.3/40.016/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
10% IoT Development90% Other -
$5,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
29.9/40.016.2/20 Reviews9.7/10 Clients & Experience4/10 Market PresenceService focus
10% IoT Development90% Other -
$10,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
29.8/40.015.6/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
10% IoT Development90% Other -
$5,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
29.8/40.016.2/20 Reviews9.4/10 Clients & Experience4.2/10 Market PresenceService focus
10% IoT Development90% Other -
$1,000+< $25 / hr50 - 249London, England
Ability to deliver
26.5/40.016.2/20 Reviews6.9/10 Clients & Experience3.4/10 Market PresenceService focus
25% IoT Development75% Other -
$25,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
27.2/40.015.6/20 Reviews7.6/10 Clients & Experience4/10 Market PresenceService focus
20% IoT Development80% Other -
$25,000+$100 - $149 / hr10 - 49London , England
Ability to deliver
29.3/40.016/20 Reviews9.2/10 Clients & Experience4.1/10 Market PresenceService focus
10% IoT Development90% Other -
Undisclosed$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
26.9/40.014/20 Reviews8.5/10 Clients & Experience4.5/10 Market PresenceService focus
10% IoT Development90% Other -
$5,000+$25 - $49 / hr10 - 49London, England
Ability to deliver
22.8/40.018.4/20 Reviews0/10 Clients & Experience4.4/10 Market PresenceService focus
45% IoT Development55% Other -
$5,000+$25 - $49 / hr50 - 249Bradford, England
Ability to deliver
28.2/40.015.6/20 Reviews8.8/10 Clients & Experience3.9/10 Market PresenceService focus
10% IoT Development90% Other -
$25,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
27.1/40.016.4/20 Reviews6.6/10 Clients & Experience4.1/10 Market PresenceService focus
10% IoT Development90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Guildford, England
Ability to deliver
26.2/40.015.8/20 Reviews4.7/10 Clients & Experience5.6/10 Market PresenceService focus
10% IoT Development90% Other -
$25,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
28.3/40.015.8/20 Reviews8.5/10 Clients & Experience4/10 Market PresenceService focus
10% IoT Development90% Other -
UndisclosedUndisclosed50 - 249London, England
Ability to deliver
21.6/40.017.6/20 Reviews0/10 Clients & Experience4/10 Market PresenceService focus
40% IoT Development60% Other -
$5,000+< $25 / hr50 - 249Newry, Northern Ireland
Ability to deliver
27.3/40.015.8/20 Reviews7.5/10 Clients & Experience4/10 Market PresenceService focus
10% IoT Development90% Other -
$25,000+$50 - $99 / hr50 - 249Southampton, England
Ability to deliver
27.2/40.016.4/20 Reviews6.8/10 Clients & Experience4/10 Market PresenceService focus
10% IoT Development90% Other -
$10,000+$150 - $199 / hr50 - 249London, England
Ability to deliver
27/40.014.6/20 Reviews8.1/10 Clients & Experience4.4/10 Market PresenceService focus
10% IoT Development90% Other -
$25,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
27.3/40.016.2/20 Reviews6.9/10 Clients & Experience4.2/10 Market PresenceService focus
10% IoT Development90% Other
U.K. Internet of Things FAQs
Be cautious of firms that gloss over device security, promise production hardware without a proof-of-concept stage, only cover software when you also need hardware (or vice versa), or can't show comparable connected products. IoT is complex and iterative, so a vendor who skips prototyping or ignores security is a real risk.
U.K. IoT companies build connected products and the systems around them. Depending on the firm, that spans hardware and electronics design, embedded firmware, connectivity (cellular, LoRaWAN, Bluetooth), the mobile or web apps that control devices, cloud integration and data platforms, and increasingly analytics or AI on the data. Some specialise in one layer; others deliver end-to-end.
IoT projects need close coordination between hardware, software, and often physical testing, so a same-time-zone U.K. IoT team makes iteration far smoother. U.K. firms also understand local regulatory and certification requirements for connected devices, and can work on site for hardware and integration work.
Outline the parameters of your project – define everything from its goals and requirements down to the essential KPIs and constraints. Then, match the firm to the layers you need — hardware, software, or full stack — and look for verified reviews and delivered IoT products in your sector.
Ask about connectivity choices, security (a major IoT weak point), and how they move from prototype to production. Shortlist two or three Clutch-listed firms that meet your initial assessment and carefully compare their approach to your specific product.
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