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Top Internet of Things Companies in Cardiff

Ratings Updated: April 4, 2026
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0 Leaders 3 Contenders

3 Companies

Country: Wales
City: Cardiff

List of the Top Cardiff IoT Developers

  • Featured

    What are Featured Providers?

    Yalantis Logotype

    Yalantis

    4.8 78 reviews
    Premier Verified
    $50,000+
    $50 - $99 / hr
    250 - 999
    Serves Cardiff, Wales

    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 distinguished IoT App Development company, noted for its outstanding custom healthcare software solutions. With 100% positive feedback, clients commend their seamless integration, consistent team continuity, and ability to deliver complex IoT integrations under tight deadlines. Yalantis is praised for its reliable outcomes, professionalism, and role as a strategic tech partner, making it an ideal choice for IoT solutions.

    See all 78 projects
    2 of 2 reviews are 5 stars
    Unknown avg. project cost

    Reviewed 2 times in the past 6 months

    Recent reviews for Yalantis reflect a strong overall sentiment, highlighting their effective project management and commitment to client success. Clients noted the company's ability to deliver tailored solutions, such as introducing Terraform for infrastructure improvements and optimizing platform performance. One client emphasized Yalantis' dedication to going above and beyond, while another appreciated their cultural fit and value for cost. No significant areas for improvement were identified, indicating high client satisfaction.
    Read 2 Recent Reviews
    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
    Read 1 Review

    Industry Experience

    Yalantis has demonstrated expertise across various industries, including healthcare, eCommerce, advertising & marketing, and information technology. Clients commend their strong project management, effective communication, and adaptability, particularly in the healthcare sector, where they excelled in custom software development and real-time integration. In eCommerce and advertising, their ability to deliver optimized solutions under tight deadlines has been noted. Overall, Yalantis is well-suited for organizations seeking reliable tech partnerships in these sectors.

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    Select Industry to see insights

    Software Supply Chain, Logistics, and Transport Healthcare eCommerce Information technology Engineering Real estate Food & Beverage Other Industry Medical Education IT Services Non-profit Consumer Products Logistics & Supply Chain Nonprofit Manufacturing Consulting Financial services Hospitality & leisure Automotive Business services Food & Beverages Arts, entertainment & music Telecommunications Energy & natural resources Media Advertising & marketing Other industries

    Average Project Cost Breakdown

    $50,000 to $199,999 (27) $200,000 to $999,999 (15) $10,000 to $49,000 (13) $1,000,000 to $9,999,999 (2)

    What Clients Have Said

    Clients consistently highlight Yalantis's competitive pricing and excellent value for money. For instance, one client noted that Yalantis's pricing fit their budget while delivering high-quality work. Another client emphasized that the quality of Yalantis's services justified their costs, stating they received better results compared to more expensive alternatives. Overall, feedback reflects satisfaction with the balance of cost and deliverables, reinforcing Yalantis's reputation as a cost-effective partner in software development.
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    Indeema Logotype

    Indeema

    5.0 78 reviews
    Premier Verified
    $50,000+
    $50 - $99 / hr
    50 - 249
    Serves Cardiff, Wales

    Services provided

    40% IoT Development
    20% AI Development
    10% AI Agents +3 services
    10% Custom Software Development
    10% Product Design
    10% UX/UI Design

    Indeema is a company specializing in IoT development and consulting services, offering expertise in IoT app development, device development, and integration. Feedback from their clients is overwhelmingly positive, with 100% of reviews highlighting their technical expertise, effective project management, and commitment to client satisfaction. Clients consistently commend Indeema for its proactive approach and seamless communication, with no significant areas for improvement noted.

    See all 78 projects

    Reviews mention Experienced

    Clients consistently commend Perfsol for their technical expertise and ability to integrate seamlessly into complex development teams. Feedback highlights their effective communication and adaptability to project changes, with one client noting, "They are technically very experienced and work great as part of complex dev teams." Overall sentiment is highly positive, emphasizing prompt delivery, responsiveness, and a strong alignment with client values, leaving clients satisfied and confident in their decision to partner with Perfsol.
    • Web Development for Cosmetic Rewards Platform
      5.0 Feb 26, 2019

      Indeema Software can do anything, from HTML to AI. I also love the post-sprint calls in which we discuss the results. They're truly excellent. Plus, their CEO has a lot of experience and has given me great business advice.

      Read Full Review
    • Web App Development for Business Travel Platform
      5.0 Feb 20, 2020

      The team was enterprising, they proposed different useful approaches and features to be implemented. They share experience and this helps to make your product better.

      Read Full Review
    • UI/UX Design of Business Process Web Application
      5.0 Feb 6, 2020

      The team members we worked with were very skilled and experienced for what we needed. They could also rely on their team at Vakoms to give additional input in challenging parts of the project so that we received a high quality product.

      Read Full Review
    • Mobile App Development for Health Platform
      5.0 Nov 9, 2016

      Vakoms stood out through the experience provided by their employees. Vakoms has highly talented engineers who are motivated to do good work. I was able to see this with every resource we've used.

      Read Full Review
    • CRM Optimization for Software Dev Company
      5.0 Mar 19, 2025

      The team is well-organized and possesses extensive industry expertise. We conduct regular meetings with the developers via Slack. They are technically very experienced and work great as part of complex dev teams.

      Read Full Review
    Read All Reviews
    8 of 8 IoT Development reviews are 5 stars
    1 new review for IoT Development in past 6 months
    $50,000 – $199,999 avg. project cost

    IoT Development PROJECT HIGHLIGHT

    Custom Hardware Development for Drone Solutions Company

    5.0 — Indeema Software Inc. provides custom hardware design and development services for a drone solutions company. The team's work includes hardware design, firmware development, system integration, and Read more
    Read 8 Reviews

    Industry Experience

    Indeema Software has demonstrated significant expertise across multiple industries, including consumer products and services, financial services, and healthcare. Clients commend their responsiveness, commitment to quality, and project management efficiency, particularly in developing hardware and software solutions. Positive feedback highlights their ability to meet deadlines and adapt to changing requirements, with a strong culture fit noted in collaborative environments. The overall sentiment reflects high satisfaction across these sectors, making Indeema a reliable partner for businesses prioritizing innovation and technical proficiency.

    Read All Reviews

    Select Industry to see insights

    Engineering Energy & natural resources Retail Agriculture Consumer Products Nonprofit Sports Restaurants Research Consulting IT Services Other Industry Business services Arts, entertainment & music Software Other industries Education Manufacturing Healthcare Information technology Construction Financial services Advertising & marketing Consumer products & services Automotive

    Average Project Cost Breakdown

    $10,000 to $49,000 (25) $50,000 to $199,999 (22) $200,000 to $999,999 (9) Less than $10,000 (7) $1,000,000 to $9,999,999 (2)

    What Clients Have Said

    Clients universally commend the company's value for money, frequently noting that they deliver high-quality work within budget. A CEO remarked on their 'good value for cost' and timely deliverables, while another client highlighted their competitive pricing compared to U.S. firms. Overall sentiment indicates satisfaction, with multiple clients emphasizing the quality of service received relative to the investment, affirming that the company is a cost-effective choice for software development needs.
    Read All Reviews
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    Cogniteq Logotype

    Cogniteq

    4.9 44 reviews
    Premier Verified
    $10,000+
    $50 - $99 / hr
    50 - 249
    Serves Cardiff, Wales

    Services provided

    10% IoT Development
    75% Mobile App Development
    10% Web Development +1 service
    5% Custom Software Development

    Cogniteq is an IoT App Development company specializing in IoT Solutions and IoT Integration for diverse sectors, including energy management and emergency vehicle systems. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their effective communication, extensive IoT expertise, and timely delivery. Clients appreciate their ability to collaborate closely and adapt to project needs.

    See all 44 projects
    3 of 3 reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Reviewed 3 times in the past 6 months

    In the last six months, Cogniteq has received positive feedback from clients, highlighting their effective project management and high-quality deliverables. A CMO praised their solution-first mentality and flexibility, noting successful phase one deliverables without critical bugs. The CEO of Fasky e.U. emphasized excellent communication and the developer's high-quality work. Additionally, the Head of Operations at Lindcom commended their proactive project management and clear communication. Overall, clients express satisfaction with Cogniteq's value for cost and responsiveness.
    Read 3 Recent Reviews

    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

    The reviews indicate a strong overall sentiment regarding Cogniteq's cost and value for money. Multiple clients noted that Cogniteq offers 'good value for cost' and that their pricing fits within project budgets. For instance, one client remarked on their 'great price-to-quality ratio,' while another highlighted their 'flexibility and responsiveness' as key advantages. Overall, clients express high satisfaction with the balance of quality and affordability found in their services.
    Read All Reviews

    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.
    Get in Touch

    View projects from:

    Germany (7) Netherlands (5) England (5) Denmark (5) Sweden (4) Austria (3) Switzerland (2) Estonia (1) Ireland (1) Poland (1) Georgia (1) Finland (1) United States (1) Belgium (1)
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  • Cloudavian Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Cardiff, Wales

    Services provided

    25% IoT Development
    50% Cloud Consulting & SI
    25% BI & Big Data Consulting & SI

    Cloudavian, a cloud consulting & SI company, is headquartered in Cardiff, Wales. Founded in 2018, the team offers cloud consulting & SI and BI & big data consulting & SI.

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  • Wales Interactive Services Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Pencoed, Wales

    Services provided

    50% IoT Development
    50% AR/VR Development

    Wales Interactive Services, a small AR/VR development and IoT development company, is located in Pencoed, Wales. The team specializes in AR/VR development and IoT development.

    Read more
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  • Adex International Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Bynea, Wales

    Services provided

    20% IoT Development
    30% Cloud Consulting & SI
    20% Custom Software Development +2 services
    20% IT Strategy Consulting
    10% Business Consulting

    Adex International is a cloud consulting & SI company. In Lalitpur, Nepal and Bynea, Wales, the firm was established in 2018. Their services include cloud consulting & SI and IT strategy consulting.

    Read more

    Bynea, Wales

    21 Heol-Y-bwlch
    Bynea, Wales SA14 9ST

    6 - 9

    +44 7414 579579

    See All Locations (2)
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List of the Top Cardiff IoT Developers

  1. Cloudavian Logotype

    Cloudavian

    $1,000+
    $50 - $99 / hr
    2 - 9
    Cardiff, Wales

    Ability to deliver

    6/40.0
    0/20 Reviews
    1.4/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    25% IoT Development
    75% Other
    View Profile Visit Website
  2. Wales Interactive Services Logotype

    Wales Interactive Services

    Undisclosed
    Undisclosed
    2 - 9
    Pencoed, Wales

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    50% IoT Development
    50% Other
    View Profile Visit Website
  3. Adex International Logotype

    Adex International

    $1,000+
    $25 - $49 / hr
    10 - 49
    Bynea, Wales

    Ability to deliver

    4.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    20% IoT Development
    80% Other
    View Profile Visit Website

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