Top 10 IoT Development

Companies in London

London is a lively capital and a leader in technology and fintech. In the first quarter of 2024, over 7,250 tech companies were set up, showing the city's strong growth. The value of London’s tech sector has increased to over £600 billion, with venture capital investment rising by 800% since 2014. London has more unicorn companies, or tech firms worth over $1 billion, than any other city in Europe. Several factors drive this success, including strong investment opportunities, a growing fintech scene, and a diverse talent pool in areas like AI, cybersecurity, and green tech. The startup scene in London is thriving, keeping the city at the top in Europe for tech growth. However, challenges like economic uncertainty and the need for affordable tech workspaces still exist. As these issues are tackled, London’s tech sector is set for even more success.

How Did We Pick the Best?

1

Plavno

LondonUnited Kingdom

Team Size 50-249
Cost of Services $$$$$ $30-70/h
2025 Awards Winner
2024 Awards Winner
2023 Awards Winner

Service Focus:

Mobile App DevelopmentArtificial IntelligenceDesktop App Development + See more

Description

Plavno is an AI-first software development company that helps businesses design, build, and scale intelligent digital products. We work with startups, enterprises, and technology-driven organizations that want to turn innovative ideas into reliable, high-performance solutions.Our multidisciplinary team covers the entire product lifecycle — from business analysis and product strategy to UI/UX design, custom software development, quality assurance,...

Our Take

Known for its credibility, Plavno has vast experience, excellent customer feedback, and a strong portfolio. Their TechBehemoths profile is proof of their experience and knowledge in the field.
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2

Magora

LondonUnited Kingdom

Team Size 50-249
Cost of Services $$$$$ $30-70/h
2025 Awards Winner
2024 Awards Winner
2023 Awards Winner

Service Focus:

Web DevelopmentMobile App DevelopmentArtificial Intelligence + See more

Description

Here at Magora we design and develop digital products including mobile apps, websites and web applications. We concentrate on business needs and build successful software with user-centered interaction design and scalable software architecture. Whether a B2C or a B2B project, iOS or Android app, first of all, we take the time to understand your goals, your product and the end-user’s needs. Our software development cases are loved by users for the...

Our Take

Magora has built a solid reputation as a reliable agency through years of experience, satisfied clients, and a diverse portfolio. Their TechBehemoths profile perfectly captures their industry know-how and skills.
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3

2Base Technologies

LondonUnited Kingdom

Team Size 50-249
Cost of Services Not revealed
2025 Awards Winner
2024 Awards Winner

Service Focus:

Artificial IntelligenceCustom Software DevelopmentEnterprise App Modernization + See more

Description

2Base Technologies is an enterprise software development company specializing in end-to-end IT digital transformation services. With registered offices in the UK, USA, and Australia and R&D centre in Kochi , India, we help businesses worldwide drive efficiency, innovation, and growth through custom software solutions. With 15+ years of expertise, we have delivered tailored digital solutions across industries, including InsurTech, EduTech, Tra...
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4

iCentric Agency

LondonUnited Kingdom

Team Size 10-49
Cost of Services $$$$$ $70-150/h

Service Focus:

Artificial IntelligenceWeb DevelopmentCustom Software Development + See more

Description

Over the decades, iCentric in London have delivered over 300 bespoke software and AI automation solutions across diverse industries—driving stronger ROI, zero stress, and on-time results within budget. That's the precision we've perfected through our continuously refined development process.Why partner with us?Expertise in architectures like microservices, AI automation, and software development to build robust, transformative applications.End-to...

Our Take

iCentric Agency works with small and medium enterprises as well as start-ups. The company's priority is customer happiness, which is built on teamwork and passion. We invite you to take a look at their offerings and decide if they are a good fit for you.
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5

Creative Navy

LondonUnited Kingdom

Team Size 10-49
Cost of Services $$$$$ $70-150/h
2025 Awards Winner

Service Focus:

UX/UI DesignWeb DesignProduct Design + See more

Description

Creative Navy is a UX/UI design studio specializing in complex, high-stakes applications for industries like healthcare, manufacturing, automotive, and energy. Known for evidence-based methods, they excel in embedded GUIs, touch interfaces, and technical software for professionals, balancing usability with operational constraints. Their team blends cognitive science and HMI expertise, trusted by clients such as Miele, Bosch, and Ford. With hubs i...

Our Take

Considering their vast industry know-how, positive customer feedback, and successful project showcases on TechBehemoths, you can trust Creative Navy to be your partner in building your IT project.
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6

Systango Technologies Ltd.

LondonUnited Kingdom

Team Size 250-999
Cost of Services $$$$$ $30-70/h
2025 Awards Winner
2024 Awards Winner
2023 Awards Winner

Service Focus:

Artificial IntelligenceBlockchainMobile App Development + See more

Description

Systango Technologies Limited (NSE: SYSTANGO) is a digital engineering powerhouse offering enterprise-class IT and product development services since 2007. Specialising in AI, Web3, Blockchain, and Cloud solutions, Systango empowers businesses to innovate, scale, and achieve digital transformation. With 350+ skilled professionals, we’ve delivered 1000+ end-to-end projects to 100+ active clients, including Porsche, Deloitte, and MGM Grand.Our serv...

Our Take

Systango Technologies Ltd. is a trusted partner for startups and established businesses. Their collaborative team prioritizes client satisfaction. Explore their extensive profile on Techbehemoths.
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7

Timspark

LondonUnited Kingdom

Team Size 50-249
Cost of Services $$$$$ $30-70/h
2025 Awards Winner
2024 Awards Winner

Service Focus:

IT Staff AugmentationCustom Software DevelopmentWeb Development + See more

Description

Timspark is a UK-registered custom software development partner with delivery centers across Europe (Poland, Lithuania, Georgia) and a distributed presence including Latvia. We bring together 1,000+ vetted engineers and 30+ pre-built teams, serving 200+ clients across finance, healthcare, retail, logistics, manufacturing, and more.How we engageWe offer Core Teams (pre-built, domain-savvy units with clear ownership), Dedicated Teams, Team Augmenta...

Our Take

Timspark is a dedicated team delivering results. Each member brings unique skills and love for what they do. Their attention to detail ensures that every client receives personalized and effective solutions. Check out their portfolio on TechBehemoths to see more Timspark projects.
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What is IoT Development and what are its benefits for your projects?

IoT (Internet of Things) is a giant network with connected devices. These devices collect and share data about how they are used and the environment in which they are operated. 

IoT Development is the process of creating and deploying Internet of Things (IoT) devices and applications. Everything is done using sensors that are built into every physical device. These sensors continually emit data about the working state of devices and send it to the IoT platform, further analytics is performed on the data and valuable information is extracted as per requirement. The output is shared with other devices for a better user experience.

IoT Development has gained immense popularity in recent years, as the number of connected devices continues to grow at a rate of 25% year-over-year. By 2025, it is estimated that there will be over 30.9 billion IoT-connected devices worldwide.

Most IoT devices have the word smart at the start of their names: smartphones, smart watches, smart DVS, and smart homes. All these smart technologies are one of the essential criteria on which smart cities rely. 

As we see Internet of Things (IoT) development plays an important role:

  • Improve operations by collecting and analyzing data from IoT devices.

  • Increase efficiency by automating tasks and processes.

  • Reduce costs by optimizing their operations.

  • Create new revenue streams by offering new IoT-based products and services.

When choosing an IoT Development service provider for a project, we suggest you consider the following criteria:

  • Look for a company with experience and expertise in IoT development, and a skilled team of IoT specialists.
  • Check for reviews and feedback from previous clients.
  • Make sure the company understands your needs.
  • Ensure the company prioritizes data security
  • Consider the level of post-development support

Custom IoT development can be a complex and challenging process, but TechBehemoths is a valuable resource for finding the best IoT Development companies for your projects with over 1228 companies in 85+ countries. The platform provides detailed company profiles, client reviews, and ratings to help you evaluate and compare different service providers and choose the one that meets your needs.

We’ve created also a powerful filter that you can use to narrow down the results based on your requirements and shortlist the companies. 

Alternatively, you can submit your project and our team will select and send you the best matching companies in about 1 hour.