Top 10 Smart Contract 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

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 DevelopmentCustom Software Development + 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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2

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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3

Pixelette Technologies

LondonUnited Kingdom

Team Size 250-999
Cost of Services $$$$$ $30-70/h

Service Focus:

BlockchainArtificial IntelligenceIT Staff Augmentation + 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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4

Codezela Technologies Ltd

LondonUnited Kingdom

Team Size 10-49
Cost of Services $$$$$ $150-250/h
2025 Awards Winner
2024 Awards Winner

Service Focus:

Web DevelopmentDigital MarketingCustom Software Development + See more

Description

At Codezela Technologies Ltd., headquartered in the illustrious city of London, United Kingdom, we are at the forefront of bridging the gap between traditional business practices and the digital revolution. Our global reach, underpinned by a diverse client base spanning the continents, reflects our commitment to delivering exceptional IT and software solutions worldwide. Our expertise is not confined to borders, and our vision encompasses the tec...

Our Take

Codezela 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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5

OmiSoft

LondonUnited Kingdom

Team Size 50-249
Cost of Services $$$$$ $30-70/h

Service Focus:

BlockchainArtificial Intelligence

Description

Trusted blockchain development partner building secure Web3 solutions since 2017. We've delivered 80+ successful Web3 projects serving startups and SMEs worldwide. OmiSoft is a software product development company with a strong emphasis on Blockchain & AI development. We combine technology with design thinking to deliver the highest possible value to our clients. We don’t take halfways. If we take a project, we treat each creative business i...

Our Take

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

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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