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Top Internet of Things Companies in Cardiff

Ratings Updated: June 24, 2026
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3 Companies

Country: Wales
City: Cardiff

List of the Top Cardiff IoT Developers

  • Featured

    What are Featured Providers?

    Yalantis Logotype

    Yalantis

    4.8 79 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 an Internet of Things Development company specializing in IoT App Development and custom healthcare software solutions. Praised for their seamless integration and strong team continuity, 100% of reviewers commend their reliable and timely delivery, particularly highlighting their IoT integrations for telehealth. Clients appreciate their flexibility and transparency, enhancing project success and collaboration.

    See all 79 projects

    Reviews mention Timely

    Client feedback regarding Yalantis highlights a strong sentiment of timeliness in project delivery. Multiple clients noted that Yalantis consistently met deadlines, with one client stating, "Yalantis delivered in 10 weeks" when competitors estimated 3-4 months. Another client emphasized, "99% of their deliverables were on time." Overall, clients express satisfaction with Yalantis's project management and responsiveness, indicating they are a reliable partner for timely project execution.
    • Custom Software Development for Telemedicine Company
      5.0 Jun 13, 2024

      They meet our deadlines, and we communicate through emails, Slack, and Zoom meetings.

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    • Staff Augmentation for Cloud Cost Management Company
      5.0 Dec 14, 2023

      Yalantis' team delivered on time and within budget. We communicated every day via Slack and Zoom.

      Read Full Review
    • Mobile SDK Development for Messaging Platform
      5.0 May 5, 2023

      Yalatis demonstrated exceptional project management throughout our collaboration. They consistently delivered items on time, adhering to the established deadlines, and ensuring the project's progress remained on track.

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    • Custom Software Dev for IT Company
      5.0 Apr 25, 2023

      The project management never failed to deliver both material, reports, and deliveries in the form of demos in time. Response time is very low.

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    • Data Lifecycle Mgmt & ETL Process Dev for Real Estate Co
      4.5 Dec 16, 2024

      Project delivering as expected with regular check in. Adjust resourcing and person on project on skillset as needed. Their fast turnaround time on staffing and resources skill set is remarkable.

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    Industry Experience

    Yalantis has garnered positive feedback across various sectors including Information Technology, Healthcare, and eCommerce. Clients commend their technical proficiency, seamless integration, and project management across these industries. In IT, they excel in developing complex software solutions, while in Healthcare, they provide effective patient engagement platforms. In eCommerce, their expertise enhances user experience. Overall, Yalantis is seen as a reliable partner, particularly for businesses seeking innovative tech solutions in these fields.

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    Select Industry to see insights

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

    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 have consistently praised Yalantis for providing exceptional value for money, citing competitive pricing and high-quality deliverables. For instance, one client noted that Yalantis offered a great quality-to-price ratio, allowing them to achieve a reliable and robust product without exceeding budget constraints. Another client highlighted that Yalantis’s pricing fit their budget while maintaining high standards of work. Overall, the sentiment is positive, reflecting satisfaction with both cost and the quality of services provided.
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    View projects from:

    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)
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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 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.

    See all 44 projects

    Reviews mention High-quality work

    Clients consistently commend Cogniteq for delivering high-quality work across various projects. For instance, a CMO noted the completion of all deliverables without critical bugs, emphasizing the stability of their solutions. The CEO of Fasky e.U. expressed satisfaction with the high-quality backend development and effective communication. Additionally, feedback highlights the company's ability to meet project milestones and maintain a strong focus on user experience, demonstrating an overall positive sentiment regarding the quality of work provided.
    • Custom Software & IoT Development for SaaS Company
      5.0 Oct 7, 2024

      The high quality coding and development process was noteworthy. Worked very well with our internal team as a virtual extension. They did a great job, highly recommended.

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    • Staff Aug & Software Dev for Ad Insertion Platform Provider
      5.0 Mar 15, 2024

      Their work is done on time and of a very high quality. Negotiations were friendly, efficient and unbureaucratic.

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    • Web App React Development for IT Company
      5.0 Dec 22, 2023

      The project outcomes included high code quality and happy clients. Both, their developers and key account managers were collaborative, pragmatic, and reliable.

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    • Software Dev & Staff Aug for Enterprise Software Dev Co
      5.0 Dec 19, 2023

      Most of their developers have a high-level of skill with a good command of English. They have been delivering at a high standard, so very happy with them as is.

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    • Platform Dev Services for Pharmaceutical Company
      4.5 Aug 5, 2022

      The project is delivered fully to satisfaction. The code they wrote is 'clean' / not messy. Very happy with the results!

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    Read All Reviews
    2 of 2 reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Reviewed 2 times in the past 6 months

    Recent client feedback on Cogniteq highlights their strong project management and responsive communication. One client noted the team's 'exceptionally engaged project manager' who was proactive and consistently available. Another praised Cogniteq for delivering all project milestones on time, emphasizing their 'solution-first mentality' and 'broad expertise.' Overall, clients express high satisfaction with the quality of work and value for cost, with no significant areas for improvement identified.
    Read 2 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

    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
    View Profile
  • 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.

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    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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