Leave a Review For Providers 0 0
  • Post a Project
Home Software Testing IoT Testing England

Top IoT Testing Services in England

Ratings Updated: May 23, 2026
We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. Learn how Clutch ensures trust
Get Matched

1 Leaders 15 Contenders

17 Companies

Country: England
Functional Software Testing: IoT Testing

List of the Top England Internet of Things Software Testing Companies

  • Vention Logotype

    4.9 101 reviews
    Premier Verified
    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    London, England

    Services provided

    10% Application Testing
    10% AI Development
    10% Blockchain +7
    10% Cloud Consulting & SI
    10% Custom Software Development
    10% DevOps Managed Services
    10% Enterprise App Modernization
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Development

    Focus Areas

    10% IoT Testing
    25% A/B Testing
    15% Regression Testing +5
    10% Acceptance Testing
    10% Installation Testing
    10% Integration Testing
    10% Sanity Testing
    10% Unit Testing

    Vention is a company specializing in staff augmentation for software development, including QA testing, app testing, and software quality assurance. Across various reviews, Vention is praised for its high-quality talent, effective communication, and seamless integration with clients' teams. With over 90% positive feedback, clients often highlight their ability to meet project needs efficiently and maintain strong collaborative relationships.

    See all 101 projects

    Reviews mention Reliable

    The overall sentiment regarding Vention's reliability is overwhelmingly positive. Clients consistently highlight their well-structured project management and timely delivery of milestones. For instance, one client noted that Vention's project management was 'well-structured and reliable,' while another emphasized their 'efficiency and reliability' in meeting deadlines. The teams demonstrated adaptability and responsiveness to client needs, fostering a collaborative atmosphere that made clients feel as if Vention was an extension of their own teams.
    • Web Services, Software, & API Dev for Business Scaler Co
      5.0 Sep 27, 2024

      The reliability of the quality of work and punctuality of deliveries from the Vention team members have been consistently maintained. This includes meeting project milestones on time, adhering to specifications, and ensuring deliverables meet the expected standards. Vention team's attention to detail, commitment to deadlines, and proactive communication ensured smooth collaboration and high-quality output.

      Read Full Review
    • Custom Software Development for PR Firm
      5.0 Aug 6, 2024

      Always on time, quick/efficient with communication and reliable. When we needed something we got it. Ryan and Dina have blown us away with their commitment and understanding of our vision and company. The entire dev team is great.

      Read Full Review
    • App Dev for Digital Histopathology Company
      5.0 Jun 28, 2023

      I wholeheartedly recommend their services to anyone seeking a team of top-tier professionals who are dedicated, reliable, and immensely talented. Overall, our experience with Vention has been nothing short of exceptional. Their team of contractors consistently met and surpassed our expectations, delivering outstanding results and contributing significantly to our growth.

      Read Full Review
    • Full-scope API Development for Applied Physics Company
      5.0 Mar 11, 2020

      Everything was completed on time and any delays and downtime were very rare. I was really impressed by that, previously thinking this was unachievable. I’ve been burned by outsourced groups before, but I can always count on them to get the job done right. They created an extremely robust, complicated project reliably.

      Read Full Review
    • Frontend Development for AI Software Company
      5.0 Jul 29, 2018

      The developer assigned to us has been doing a great job understanding our needs and developing a quality product. Their reliability, responsiveness, high level of organization, and the value they provide. I can't think of anything.

      Read Full Review
    Read All Reviews
    4 of 5 Application Testing reviews are 5 stars
    $200,000 – $999,999 avg. project cost

    Application Testing PROJECT HIGHLIGHT

    Design, Dev & QA Staff Aug for Language Learning Platform

    5.0 — Vention provides staff augmentation services for a language learning platform. The team offers mobile, web, and backend engineers, a UX designer, and a QA engineer to work on the client's platforms. Read more
    Read 5 Reviews

    Industry Experience

    Vention has demonstrated strong expertise across various industries including Consumer Products, Financial Services, Education, and Information Technology. Clients commend their responsive communication, technical proficiency, and ability to integrate seamlessly as part of internal teams. The overall sentiment across industries is positive, highlighting Vention's capacity to deliver on complex projects efficiently while maintaining high quality. Potential clients in healthcare, fintech, and SaaS would find a particularly strong match with Vention's skill set and project management approach.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Education Business services Financial services Food & Beverage Software eCommerce Healthcare Logistics & Supply Chain Hospitality & leisure Consulting Social Networking Energy & natural resources Wellness & Fitness Transportation IT Services Real estate Media Arts, entertainment & music Utilities Chemicals & Biotechnology Consumer Products Other Industry Consumer products & services Information technology

    Average Project Cost Breakdown

    $50,000 to $199,999 (19) $200,000 to $999,999 (17) $10,000 to $49,000 (11) $1,000,000 to $9,999,999 (7) $10,000,000 + (1)

    What Clients Have Said

    Client feedback regarding the company's overall cost and value for money is predominantly positive. Clients frequently highlight Vention's competitive pricing and alignment with budgetary constraints, with comments like 'pricing fit our budget' and 'good value for cost.' A client noted that Vention's services resulted in a 50% reduction in Salesforce license costs, indicating strong value. Overall, clients appreciate the quality of work delivered relative to the costs incurred, often stating that the investment has yielded significant returns.
    Read All Reviews
    View Profile Visit Website
  • DeviQA Logotype

    5.0 34 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    250 - 999
    London, England

    Services provided

    100% Application Testing

    Focus Areas

    20% IoT Testing
    20% Acceptance Testing
    20% Integration Testing +2
    20% Regression Testing
    20% Sanity Testing

    DeviQA is a software quality assurance company specializing in App Testing and QA Testing services. The company consistently receives positive feedback for their technical competence, professionalism, and ability to integrate seamlessly with internal teams. Approximately 90% of the reviews highlight their strong execution, proactive communication, and commitment to improving testing frameworks. DeviQA’s pricing and culture are often noted as aligning well with clients' needs, contributing to high satisfaction rates.

    See all 34 projects

    Reviews mention Proactive

    Overall sentiment regarding DeviQA's proactivity is highly positive. Clients praised their ability to anticipate needs and suggest improvements, with one noting, 'They treat our automated testing project as a development effort rather than a testing effort, always anticipating next steps.' Another client highlighted their proactive approach in creating standard operating procedures, stating, 'Devs and QA's are proactive to create SOP's and systems to improve the whole team.' This proactive mindset significantly contributed to successful project outcomes.
    • QA Staff Aug for Supply Chain Platform
      5.0 Aug 29, 2024

      Devs and QA's are proactive to create SOP's and systems to improve the whole team. Management is very responsive.

      Read Full Review
    • Application Testing for Healthcare Company
      5.0 Jan 18, 2024

      Their QA team made an instant impact, they quickly integrated into the development team and its culture, and earned the team's confidence. They are forward about suggesting constructive changes to current processes but also take feedback on their own work in the right way. They have consistently delivered their work to a high standard and are agile enough to respond to needs when necessary.

      Read Full Review
    • Application Testing for Social Media Management Platform
      5.0 Apr 9, 2026

      DeviQA demonstrated a well-structured and proactive approach to project management throughout the engagement. We established a regular communication rhythm with weekly video calls to review progress, align on priorities, and address any blockers. In addition, they were integrated into our internal Slack workspace, which enabled smooth day-to-day collaboration. The team provided daily updates on completed work and ongoing tasks, ensuring full transparency and alignment at all times.

      Read Full Review
    • Application Testing for Social Media Management Platform
      5.0 Apr 9, 2026

      What we found most impressive about DeviQA was their ability to combine strong execution with a genuine ownership mindset. They did not limit themselves to delivering the requested test cases. Instead, they consistently took the initiative to improve the overall quality of our testing framework. This included proactively identifying gaps in test coverage, suggesting improvements to the existing pipeline, and addressing flaky or unstable tests without waiting for explicit instructions.

      Read Full Review
    Read All Reviews

    Industry Experience

    DeviQA has demonstrated strong expertise across various sectors, including Financial Services, Healthcare, Hospitality, and Advertising. Clients praised their proficiency in quality assurance, automated testing, and performance optimization, noting significant improvements in product quality and efficiency. In Financial Services, feedback highlights increased testing capacity and streamlined processes, while in Healthcare and Hospitality, their contributions led to enhanced patient care solutions. Overall, sentiment across industries is highly positive, indicating that DeviQA is well-suited for projects requiring rigorous QA and testing expertise.

    Read All Reviews

    Select Industry to see insights

    Healthcare Hospitality & leisure Software Human Resources Logistics & Supply Chain Media Information technology IT Services Other Industry Business services Education Real estate Financial services Advertising & marketing
    $1,000 2-4 weeks $2,000 2-4 months $4,000 6+ months

    Software Testing Packages

    The core part of the successful Quality Assurance process is meeting the project needs and aligning with the business goals. That's why we always start with these steps for each new project. 1. Understand the project requirements 2. Define the scope of testing and select appropriate testing types. 3. Implement QA best practices such as using a
    View Packages

    London, England

    Chancery Ln,
    London, England WC2A1DU

    2 - 5

    +44 1922 214429

    See All Locations (5)
    View Profile Visit Website
  • Valor Software Logotype

    5.0 20 reviews
    Verified
    $10,000+
    $50 - $99 / hr
    50 - 249
    London, England

    Services provided

    10% Application Testing
    10% Application Management & Support
    10% Custom Software Development +7
    10% Enterprise App Modernization
    10% IT Staff Augmentation
    10% IT Strategy Consulting
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    10% Web Development

    Focus Areas

    10% IoT Testing
    20% Unit Testing
    15% A/B Testing +5
    15% Acceptance Testing
    10% Installation Testing
    10% Integration Testing
    10% Regression Testing
    10% Sanity Testing

    Valor Software is a versatile software development company specializing in creating innovative, scalable solutions for diverse client projects, from mobile applications to complex backend systems. The company consistently receives positive client feedback, with 100% of reviews praising their technical expertise, project management, and ability to deliver on time. Clients particularly commend Valor Software for their creative problem-solving and dedication to client success.

    See all 20 projects

    Reviews mention High-quality work

    Valor Software consistently receives high praise for delivering high-quality work across various projects. Clients highlight their impressive ability to simplify complex systems without sacrificing functionality, as seen in HMR Circle's mobile app development. The CEO of TablesReady commended Valor's talent and responsiveness, stating, "It's hard to find great talent... but to do it within our budget makes us very lucky." Overall, the sentiment reflects strong client satisfaction with Valor's commitment to quality and effective project management.
    • Web Development for Cold Calling Company
      5.0 Jul 10, 2020

      The level of quality delivered prior to testing was impressive. Our website speaks to their level of quality. Overall they are great. English is very strong, but sometimes we need to review grammar.

      Read Full Review
    • Tech Restructure for Financial Products Engine
      5.0 Oct 11, 2016

      Even though we worked in a technology which is feared amongst the SEO community, which is AngularJS, Valor Software pulled it off, and we ended up almost doubling our SEO traffic. We got featured on MongoDB for the implementation that we had and how MongoDB helped us scale up. The end result, which was very good, proved me wrong.

      Read Full Review
    • Dating Mobile App Development for B2B SaaS Company
      5.0 Dec 24, 2024

      The Valor Software team delivered exceptional results in several key areas. They successfully implemented the core matching system, integrated the rewards platform, and ensured stable performance through thorough refactoring and bug fixing. Their work on internationalization and state management was particularly noteworthy, making the app scalable and user-friendly across different regions.

      Read Full Review
    • Mobile App Development for Wellness Company
      5.0 Sep 20, 2024

      The developer delivered high-quality, maintainable code. Their ability to integrate seamlessly with our team and contribute high-quality, maintainable code made a significant impact on our project’s success.

      Read Full Review
    Read All Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (6) $10,000 to $49,000 (3) $200,000 to $999,999 (1) $1,000,000 to $9,999,999 (1)

    What Clients Have Said

    Valor Software has received positive feedback regarding their cost and value for money, with multiple clients highlighting that their pricing aligns well with budget constraints while delivering high-quality outcomes. For example, one client noted, 'Pricing fit our budget' and 'Good value for cost.' Another stated, 'They are affordable, which is very good.' Overall, clients appreciate the balance of quality and cost-effectiveness, with many expressing satisfaction over the return on investment from their projects.
    Read All Reviews

    View projects from:

    United States (6) Canada (3) Sweden (1) United Arab Emirates (1) England (1)

    This provider is fluent in 1 language:

    • English

    London, England

    Hatton Garden,5th Floor, Suite 23
    London, England EC1N

    2 - 5

    See All Locations (9)
    View Profile Visit Website

    • Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.

    Get My Matches
  • TestFort QA Lab Logotype

    5.0 21 reviews
    $10,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Services provided

    100% Application Testing

    Focus Areas

    15% IoT Testing
    20% Regression Testing
    20% Sanity Testing +3
    20% Unit Testing
    15% Acceptance Testing
    10% Installation Testing

    TestFort QA Lab is a specialized software testing company that excels in application quality assurance and software validation services. Their reviews highlight a consistent theme of professionalism, structured project management, and adaptability, with approximately 90% of reviewers expressing satisfaction with reduced production issues and improved system stability. An impressive 80% of clients noted the company's ability to enhance QA processes efficiently, particularly in complex and evolving environments.

    See all 21 projects
    14 of 16 Application Testing reviews are 5 stars
    10 new reviews for Application Testing in past 6 months
    $10,000 – $49,000 avg. project cost

    Application Testing PROJECT HIGHLIGHT

    Application Testing for Video-Based Social Platform

    5.0 — TestFort QA Lab provided QA testing services for a video-based social platform. The team conducted crowdtesting sessions to validate the performance, usability, and functionality of the client's Read more
    Read 16 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (9) Less than $10,000 (3) $50,000 to $199,999 (2)

    What Clients Have Said

    Client feedback consistently highlights TestFort QA Lab's competitive pricing and strong value for money. Several clients noted that their pricing fit within budget constraints while still delivering high-quality results, with one stating they received 'good value for cost.' Another client emphasized that TestFort's services led to significant reductions in bugs and operational issues, enhancing overall project success. Overall, sentiment towards their cost-effectiveness is positive, reinforcing their reputation as a reliable QA partner.
    Read All Reviews

    View projects from:

    United States (8) Ukraine (4) Canada (1) France (1) Israel (1) Italy (1) Switzerland (1) England (1)
    View Profile
  • Telefónica Tech (EN) Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    1,000 - 9,999
    London, England

    Services provided

    10% Application Testing
    15% Cybersecurity
    15% IT Managed Services +6
    10% AI Development
    10% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% Generative AI
    10% IT Strategy Consulting
    10% IoT Development

    Focus Areas

    100% IoT Testing

    Telefónica Tech (EN) is a Cybersecurity company. They are in London, England, and their services include Cybersecurity and IT managed services.

    Read more
    View Profile
  • IoT & Approval Solutions Australia Pty Ltd Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Stow cum Quy, England

    Services provided

    100% Application Testing

    Focus Areas

    100% IoT Testing

    IoT & Approval Solutions Australia Pty Ltd is an Application Testing company in Stow cum Quy, England and Parramatta, Australia. They offer Application Testing and were founded in 2003.

    Read more
    View Profile
  • Qualitest Group Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    1,000 - 9,999
    London, England

    Services provided

    100% Application Testing

    Focus Areas

    30% IoT Testing
    20% Installation Testing
    20% Integration Testing +2
    15% Regression Testing
    15% Unit Testing

    Launched in 1997, Qualitest Group is a large Santa Clara, California-based Application Testing company. Their team offers Application Testing.

    Read more

    London, England

    Level 2, Equitable House 47 King William Street
    London, England EC4R 9AF

    1001 - 2000

    See All Locations (6)
    View Profile
  • Bramfitt Technology Labs Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    London, England

    Services provided

    10% Application Testing
    20% Cybersecurity
    10% BI & Big Data Consulting & SI +6
    10% Custom Software Development
    10% DevOps Managed Services
    10% IT Managed Services
    10% IT Strategy Consulting
    10% IoT Development
    10% UX/UI Design

    Focus Areas

    100% IoT Testing

    Bramfitt Technology Labs is a London, England-based Cybersecurity company. Their services include Cybersecurity and UX/UI Design.

    Read more
    View Profile
  • LT Harper Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    London, England

    Services provided

    10% Application Testing
    10% Cloud Consulting & SI
    10% Compliance Consulting +8
    10% Cybersecurity
    10% Executive Search
    10% IT Managed Services
    10% IoT Development
    10% Recruiting
    10% Staffing
    5% DevOps Managed Services
    5% Sales Outsourcing

    Focus Areas

    100% IoT Testing

    LT Harper is a London, England-based cloud consulting & SI company. They focus on cloud consulting & SI and Cybersecurity.

    Read more
    View Profile
  • Hexwired Recruitment Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    City of London, England

    Services provided

    10% Application Testing
    10% AI Development
    10% Advertising +7
    10% Custom Software Development
    10% Cybersecurity
    10% Digital Engineering
    10% IT Managed Services
    10% IoT Development
    10% Recruiting
    10% Staffing

    Focus Areas

    100% IoT Testing

    Hexwired Recruitment, an Advertising company, is located in City of London, England. They focus on Advertising and Cybersecurity and were launched in 2020.

    Read more
    View Profile
  • Defensity Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    City of London, England

    Services provided

    10% Application Testing
    30% Cybersecurity
    20% Corporate Training & Coaching +3
    20% IT Strategy Consulting
    10% IT Managed Services
    10% IoT Development

    Focus Areas

    100% IoT Testing

    Cybersecurity company Defensity was launched in 2019. The team specializes in Cybersecurity and IT strategy consulting.

    Read more
    View Profile
  • The Open Geospatial Consortium (OGC) Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    London, England

    Services provided

    20% Application Testing
    20% Cloud Consulting & SI
    20% IT Managed Services +2
    20% IT Strategy Consulting
    20% IoT Development

    Focus Areas

    100% IoT Testing

    IT 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 more

    London, England

    6th Floor 9 Appold Street
    London, England EC2A 2AP

    2 - 5

    See All Locations (2)
    View Profile
  • Ab Ovo, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Harrow on the Hill, England

    Services provided

    20% Application Testing
    20% BI & Big Data Consulting & SI
    20% IoT Development +2
    20% Mobile App Development
    20% UX/UI Design

    Focus Areas

    100% IoT Testing

    UX company Ab Ovo, Inc. Was founded in 2006. The agency offers UX/UI Design and BI & big data consulting & SI.

    Read more

    Harrow on the Hill, England

    Ground Floor Office Cervantes House, 5-9 Headstone Road
    Harrow on the Hill, England HA1 1PD

    See All Locations (3)
    View Profile
  • Blue Ripples Technologies Logotype

    4.8 6 reviews
    Undisclosed
    < $25 / hr
    10 - 49
    London, England

    Services provided

    10% Application Testing
    40% Custom Software Development
    25% IoT Development +2
    15% Digital Engineering
    10% Microservices Architecture Services

    Focus Areas

    10% IoT Testing
    30% Integration Testing
    30% Regression Testing +3
    10% Acceptance Testing
    10% Sanity Testing
    10% Unit Testing

    Blue Ripples Technologies is an application testing and software testing company that excels in providing automation solutions and integration services. The company has received overwhelmingly positive feedback, with clients praising their industry expertise and project management skills. They are noted for their ability to act as a partner, aligning with client visions and demonstrating flexibility throughout project phases.

    See all 6 projects
    1 of 1 Application Testing reviews are 5 stars
    1 new review for Application Testing in past 6 months
    $50,000 – $199,999 avg. project cost

    Application Testing PROJECT HIGHLIGHT

    Custom Software Development for Engineering Company

    5.0 — Blue Ripples Technologies developed an automation system for an engineering firm. The scope included process automation, integration, instrumentation, software development, testing, and Read more
    Read 1 Review

    Industry Experience

    Blue Ripples Technologies has demonstrated strong expertise across multiple industries, including Design, Insurance, Software, Energy & Natural Resources, and IT Services. Clients commend their technical proficiency, customer-centric approach, and effective project management. In Design, they improved battery testing efficiency; in Insurance, they successfully developed a complex mobile app for insurance sales; in Software, they created a comprehensive UI ecosystem; and in Energy, they provided automation solutions. Overall sentiment is highly positive, with clients noting their adaptability and commitment to co-creation.

    Read All Reviews

    Select Industry to see insights

    Design Insurance Software Energy & natural resources IT Services

    Average Project Cost Breakdown

    $200,000 to $999,999 (2) $10,000 to $49,000 (1)

    What Clients Have Said

    Clients consistently commend Blue Ripples Technologies for their competitive pricing and strong value for money. Feedback highlights their ability to deliver high-quality solutions within budget, such as a client noting their 'good value for cost' and another emphasizing 'cost control' during project execution. Overall sentiment reflects satisfaction with the balance between cost and quality, suggesting that clients perceive a favorable return on their investment.
    Read All Reviews

    London, England

    Greenside House, 50 Station Rd, Wood Green
    London, England N22 7TP

    1

    +44

    See All Locations (3)
    View Profile
  • Testbirds Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    City of London, England

    Services provided

    20% Application Testing
    20% Conversion Optimization
    20% IoT Development +3
    20% UX/UI Design
    10% AI Development
    10% Market Research

    Focus Areas

    50% IoT Testing
    50% Regression Testing

    Conversion Optimization company Testbirds provides Conversion Optimization and UX/UI Design. They are headquartered in München, Germany and City of London, England.

    Read more

    City of London, England

    WeWork – 2 Minster Court
    City of London, England EC3R 7BB

    2 - 5

    +44 20 3318 0963

    See All Locations (2)
    View Profile
  • InnoWave Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    City of London, England

    Services provided

    10% Application Testing
    20% Cybersecurity
    10% AI Development +6
    10% BI & Big Data Consulting & SI
    10% CRM Consulting and SI
    10% Cloud Consulting & SI
    10% IT Strategy Consulting
    10% IoT Development
    10% UX/UI Design

    Focus Areas

    100% IoT Testing

    InnoWave is a Cybersecurity company launched in 2008. Their team focuses on Cybersecurity and UX/UI Design.

    Read more

    City of London, England

    3 Shortlands Hammersmith
    City of London, England W6 8DA

    2 - 5

    +44 203 771 7300

    See All Locations (2)
    View Profile
  • ideyaLabs Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    City of London, England

    Services provided

    10% Application Testing
    10% AI Development
    10% Advertising +7
    10% Blockchain
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% IT Strategy Consulting
    10% IoT Development
    10% UX/UI Design
    10% Video Production

    Focus Areas

    100% IoT Testing

    IdeyaLabs is an Advertising company launched in 2019. Their team offers Advertising and UX/UI Design.

    Read more

    City of London, England

    45 Moorfields , Moorgate
    City of London, England EC2Y 9AE

    1

    See All Locations (2)
    View Profile

Tell us what you need — we’ll match you with top agencies in minutes.

Get My Matches
tracking image

Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a structured methodology that combines:

  • In-depth client interviews and ratings
  • Comprehensive project details
  • Market presence
  • Portfolio examples and industry recognition

This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.

Ability to deliver
Focus
Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 TestFort QA Lab

List of the Top 1 England Internet of Things Software Testing Companies

  1. TestFort QA Lab Logotype

    TestFort QA Lab

    $10,000+
    $25 - $49 / hr
    50 - 249
    London, England

    Ability to deliver

    33.8/40.0
    18.6/20 Reviews
    8.7/10 Clients & Experience
    6.5/10 Market Presence

    Service focus

    100% Application Testing
    15% IoT Testing
    View Profile Visit Website
  2. Telefónica Tech (EN) Logotype

    Telefónica Tech (EN)

    $10,000+
    Undisclosed
    1,000 - 9,999
    London, England

    Ability to deliver

    5.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.9/10 Market Presence

    Service focus

    10% Application Testing
    100% IoT Testing
    90% Other
    View Profile Visit Website
  3. IoT & Approval Solutions Australia Pty Ltd Logotype

    IoT & Approval Solutions Australia Pty Ltd

    Undisclosed
    Undisclosed
    10 - 49
    Stow cum Quy, England

    Ability to deliver

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

    Service focus

    100% Application Testing
    100% IoT Testing
    View Profile Visit Website
  4. Vention Logotype

    Vention

    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    London, England

    Ability to deliver

    39.8/40.0
    20/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    10% Application Testing
    10% IoT Testing
    90% Other
    View Profile Visit Website
  5. Valor Software Logotype

    Valor Software

    $10,000+
    $50 - $99 / hr
    50 - 249
    London, England

    Ability to deliver

    38.4/40.0
    18.6/20 Reviews
    10/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    10% Application Testing
    10% IoT Testing
    90% Other
    View Profile Visit Website
  6. Qualitest Group Logotype

    Qualitest Group

    Undisclosed
    Undisclosed
    1,000 - 9,999
    London, England

    Ability to deliver

    9.7/40.0
    0/20 Reviews
    1.2/10 Clients & Experience
    8.5/10 Market Presence

    Service focus

    100% Application Testing
    30% IoT Testing
    View Profile Visit Website
  7. Bramfitt Technology Labs Logotype

    Bramfitt Technology Labs

    Undisclosed
    Undisclosed
    10 - 49
    London, England

    Ability to deliver

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

    Service focus

    10% Application Testing
    100% IoT Testing
    90% Other
    View Profile Visit Website
  8. LT Harper Logotype

    LT Harper

    Undisclosed
    Undisclosed
    10 - 49
    London, England

    Ability to deliver

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

    Service focus

    10% Application Testing
    100% IoT Testing
    90% Other
    View Profile Visit Website
  9. Hexwired Recruitment Logotype

    Hexwired Recruitment

    Undisclosed
    Undisclosed
    2 - 9
    City of London, England

    Ability to deliver

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

    Service focus

    10% Application Testing
    100% IoT Testing
    90% Other
    View Profile Visit Website
  10. Defensity Logotype

    Defensity

    Undisclosed
    Undisclosed
    2 - 9
    City of London, England

    Ability to deliver

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

    Service focus

    10% Application Testing
    100% IoT Testing
    90% Other
    View Profile Visit Website
  11. The Open Geospatial Consortium (OGC) Logotype

    The Open Geospatial Consortium (OGC)

    Undisclosed
    Undisclosed
    50 - 249
    London, England

    Ability to deliver

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

    Service focus

    20% Application Testing
    100% IoT Testing
    80% Other
    View Profile Visit Website
  12. DeviQA Logotype

    DeviQA

    $5,000+
    $25 - $49 / hr
    250 - 999
    London, England

    Ability to deliver

    39.4/40.0
    19.8/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    100% Application Testing
    20% IoT Testing
    View Profile Visit Website
  13. Ab Ovo, Inc. Logotype

    Ab Ovo, Inc.

    Undisclosed
    Undisclosed
    50 - 249
    Harrow on the Hill, England

    Ability to deliver

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

    Service focus

    20% Application Testing
    100% IoT Testing
    80% Other
    View Profile Visit Website
  14. Blue Ripples Technologies Logotype

    Blue Ripples Technologies

    Undisclosed
    < $25 / hr
    10 - 49
    London, England

    Ability to deliver

    31/40.0
    15.8/20 Reviews
    10/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    10% Application Testing
    10% IoT Testing
    90% Other
    View Profile Visit Website
  15. Testbirds Logotype

    Testbirds

    Undisclosed
    Undisclosed
    250 - 999
    City of London, England

    Ability to deliver

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

    Service focus

    20% Application Testing
    50% IoT Testing
    80% Other
    View Profile Visit Website
  16. InnoWave Logotype

    InnoWave

    Undisclosed
    Undisclosed
    250 - 999
    City of London, England

    Ability to deliver

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

    Service focus

    10% Application Testing
    100% IoT Testing
    90% Other
    View Profile Visit Website

Similar Categories

Related Services

Web Developers in England Mobile App Development in England Artificial Intelligence in England Blockchain in England DOTNET in England Software Testing in England

Specialties

Recovery Testing Stress Testing Reliability Testing Acceptance Testing Unit Testing Beta Testing Automation Testing IoT Testing Localization Testing

Popular Locations in England

IoT Testing in Brighton
View More

Get matched with the 5 best-fit agencies for your project—in 4 minutes or less.