Top 10 Usability Testing

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?

Plavno

London, United Kingdom

Team Size 50-249

Cost of Services $$$$$ $30-70/h

5.0

17 Reviews

Service Focus:

Artificial IntelligenceMobile App DevelopmentE-Commerce 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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Pixelette Technologies

London, United Kingdom

Team Size 250-999

Cost of Services $$$$$ $30-70/h

Service Focus:

BlockchainArtificial IntelligenceMobile App Development + See more

Description

Pixelette Technologies has been awarded ‘Best AI Agency’ in the UK three times by the Scottish Business Awards along with many other accolades. Whether you’re a budding entrepreneur with limited tech skills, an established business moving towards rapid expansion, or a government functionary looking to redefine efficiency, we offer end-to-end IT services in the realm of AI and Blockchain. We see tech as a means to...

Our Take

Pixelette Technologies 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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Timspark

London, United Kingdom

Team Size 50-249

Cost of Services $$$$$ $30-70/h

4.8

3 Reviews

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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Stakk

London, United Kingdom

Team Size 10-49

Cost of Services $$$$$ $70-150/h

5.0

5 Reviews

Service Focus:

Mobile App DevelopmentUX/UI DesignArtificial Intelligence

Description

Stakk is the UK's #1 mobile app development company, rated #1 on TechBehemoths and based in London with over 10 years of experience building custom iOS apps, Android apps, and cross-platform mobile applications for startups and global enterprises.We are a leading mobile app development agency specialising in React Native, Flutter, native iOS and Android development, and AI-powered mobile solutions. Our 100% in-house senior team has delivered 120+...

Our Take

Out of 50,000 IT companies listed on TechBehemoths, Stakk is one that we could recommend for their services. Their reputation lies on facts such as 10 years of experience, 9 projects delivered and more than 5 happy clients. It is very likely that they could help you with your next IT project

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Digiruu

London, United Kingdom

Team Size 2-9

Cost of Services $$$$$ $70-150/h

Service Focus:

Mobile App DevelopmentUX/UI DesignWeb Design + See more

Description

Digiruu is an award-winning mobile app development company, with +10 years of experience in designing and developing apps for startups and businesses across multiple industries with the aim of generating results. Our previous work includes creating the Official Climate Week NYC app for the largest climate summit in the world, the UK’s first branch-free mobile phone network Moblox, and even the official ByErim app for social media influencer Erim...

Our Take

Known for its credibility, Digiruu 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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Mativus

London, United Kingdom

Team Size 2-9

Cost of Services Not revealed

5.0

5 Reviews

Service Focus:

Web DevelopmentWeb DesignUX/UI Design + See more

Description

Mativus: Building Fast, Secure, and Scalable Websites for the Modern AgeMativus is a UK and Dubai-based digital agency specialising in the Mativus System a high-converting infrastructure built specifically for coaches. We bridge the gap between coaching excellence and business scalability by building automated, lead-generating frameworks. By focusing on structural efficiency and strategic design, we turn your professional activity into a consiste...

Our Take

Mativus is a trusted agency with rich experience, positive customer feedback, an ample portfolio, and strong testimonials. Their TechBehemoths profile effectively showcases their industry experience and knowledge.

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Mobiteam UK

London, United Kingdom

Team Size 2-9

Cost of Services $$$$$ $70-150/h

5.0

3 Reviews

Service Focus:

Web DevelopmentE-Commerce DevelopmentWeb Design + See more

Description

Mobiteam does custom Web Design and Development. It is specialized in designing aesthetically beautiful and high-quality websites for corporate, personal and eCommerce. Our clients get websites that sell, attract and obtain market and customer’s respect. The company is located in London and distributed in Berlin and Chișinau to have the chance to work with the best specialists without compromising the qualit...

Our Take

Mobiteam UK 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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Creative Navy

London, United Kingdom

Team Size 10-49

Cost of Services $$$$$ $70-150/h

5.0

10 Reviews

Service Focus:

UX/UI DesignWeb DesignProgressive Web Apps + 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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