Top 10 Ruby on Rails

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?

Creative Navy

London, United Kingdom

Team Size 10-49

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

5.0

10 Reviews

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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Imaginary Cloud

London, United Kingdom

Team Size 50-249

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

5.0

1 Review

Service Focus:

Custom Software DevelopmentWeb DevelopmentUX/UI Design + See more

Description

Imaginary Cloud is a Web, Mobile & AI Software Development, and UX/UI Design company that has helped build and launch >300 applications worldwide with industry-leading clients such as Nokia, Thermo-Fisher, and BNP Paribas. All at competitive rates with UK, US, and PT offices. With more than 12 years of experience, Imaginary Cloud entered the international ranking for Top 100 Fastest Growing Companies and Top 1000 Global Companies in 2020...

Our Take

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

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Plavno

London, United Kingdom

Team Size 50-249

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

5.0

17 Reviews

Service Focus:

Mobile App DevelopmentArtificial IntelligenceCustom Software 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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KeyToTech

London, United Kingdom

Team Size 10-49

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

Service Focus:

Custom Software DevelopmentMobile App DevelopmentWeb Development + See more

Description

We help startups and companies develop and launch agile software products.At KeyToTech, we are more than a software development company; we are your trusted guide through the intricate journey of developing and launching dynamic software products.Our services include:Project Discovery:PoC and MVP DevelopmentWeb, Mobile & Custom Software DevelopmentAI-powered development, AI integration, RAGSoftware Testing and Quality AssuranceTechnology Cons...

Our Take

Top Recommendation! KeyToTech is a highly rated company with a strong profile on TechBehemoths based on its vast experience, positive client testimonials, and a solid portfolio. You can confidently reach out to them with your project inquiry.

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Digitalhound Ltd

London, United Kingdom

Team Size 10-49

Cost of Services $$$$$ $150-250/h

5.0

7 Reviews

Service Focus:

SEOContent MarketingMarketing Strategy + See more

Description

Unleash your brand's online potential and boost customer retention with Digitalhound!WHO ARE WE?Digitalhound is a multi-award-winning SEO agency in London, delivering high-impact services for ambitious brands and local businesses across the UK, Europe, and North America. Our digital marketing and SEO experts bring over 20 years of expertise, offering cutting-edge strategies tailored to each client's unique needs.We thoroughly analyse and improve...

Our Take

Based on our selection criteria, Digitalhound Ltd is one of the most reliable service providers in London. Their experience is 12 years, and more than 4 projects delivered reflects their reputation level.

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Inktrap

London, United Kingdom

Team Size 10-49

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

5.0

1 Review

Service Focus:

UX/UI DesignCustom Software Development

Description

Inktrap is dedicated to making human-friendly digital products that bridge the gap between people and data. With a range of different services, Inktrap can help businesses launch a new idea, redesign their existing products, or innovate to beat the competition. Our team of experts have the knowledge and experience necessary to create user-friendly digital products that will exceed expectations. Our products are tailored specifically to meet the n...

Our Take

Top Recommendation! Inktrap is a highly rated company with a strong profile on TechBehemoths based on its vast experience, positive client testimonials, and a solid portfolio. You can confidently reach out to them with your project inquiry.

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iCentric Agency

London, United Kingdom

Team Size 10-49

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

5.0

21 Reviews

Service Focus:

Artificial IntelligenceCustom Software DevelopmentWeb 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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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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Nabu IT Solutions

London, United Kingdom

Team Size 10-49

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

5.0

7 Reviews

Service Focus:

Digital MarketingWeb DevelopmentAdvertising + See more

Description

Nabu IT Solutions is a London-based technology company with a global reach, offering innovative, tailored solutions to businesses worldwide. Our mission is to empower organizations by streamlining operations, elevating digital presence, and driving measurable growth through our diverse services. With a team of skilled professionals and a client-first approach, we deliver impactful results for businesses of all sizes.Services We Offer:Software Dev...

Our Take

At Nabu IT Solutions, trust and experience go hand in hand. They've earned a stellar reputation with positive customer reviews and a strong portfolio. Their TechBehemoths profile demonstrates their vast industry knowledge and expertise.

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