Top 100 Smart Contract Companies in the United Kingdom
The Best of March 2025Looking for a top smart contract developer in the United Kingdom?
Smart contract development ranges in cost from $5,000 to $100,000 depending on the complexity of programming and deploying the contract. To get started, smart contract developers should define the contract requirements, create the code, test the contract, and deploy it. These steps may sound simple, but smart contracts must consider all rules to ensure a digital transaction works as planned.
Smart contract development is a required skill for any blockchain developer you work with. When hiring a blockchain development company, ask about its experience creating smart contracts and its approach.
To assist you in your search for a partner, we’ve compiled this list of the top smart contract companies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Smart Contract Developers
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1$10,000+250 - 999 employeesYarnton, EnglandRead More
Headquartered in Mohali, India, Debut Infotech also maintains a US presence with its Chicago office. Debuting in 2012, they’ve grown to almost 100 employees who are dedicated to both web and mobile app development.
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EverledgerIndustries
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2$10,000+250 - 999 employeesLondon, EnglandRead More
Established in 2007, Systango Technologies is a global digital product development agency. They are headquartered in London and have additional international offices. Most clients are small businesses, many of which are in the entertainment, utilities, and hospitality sectors.
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Deloitte WeDeliver Sila Fret ZealotIndustries
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3$25,000+1,000 - 9,999 employeesLondon, EnglandRead More
Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.
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IBM PayPal pwc IC MarketsIndustries
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4$50,000+1,000 - 9,999 employeesLondon, EnglandRead More
Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.
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SamsungIndustries
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5$5,000+1,000 - 9,999 employeesLondon, EnglandRead More
ERRNA is a blockchain company founded in 2015. The small San Jose, California-based team provides blockchain, cybersecurity, marketing strategy, mobile app development, and more.
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6$10,000+250 - 999 employeesLondon, EnglandAI development company Pixelette Technologies was founded in 2018. Their midsize team is based in London, England; Lahore, Pakistan; Sacramento, California and New York, New York. Their services include Artificial Intelligence, Blockchain, AR/VR development, and Generative AI.Read More
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7$5,000+1,000 - 9,999 employeesLondon, EnglandRead More
Despite only being around since 2002, Dotsquares has nearly 1000 employees across the UK, UAE, US, Australia, India, and France. They offer a staggering variety of services, including web, app, game, and e-commerce development and IT consulting and support.
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EricssonIndustries
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8$25,000+50 - 249 employeesLondon, EnglandRead More
Tech Alchemy is a software development studio based in London. Founded in 2016, they have around 150 employees who provide startups and small to medium-sized businesses with custom software development, blockchain development, and web & mobile app design and development. Services include prototyping, discovery, MVP development, and Web3 digital transformation
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Ocean BottleIndustries
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9$25,000+10 - 49 employeesLondon, EnglandRead More
Blockchain company Bitorix was founded in 2018. Their small team is headquartered in London, United Kingdom. Bitorix provides blockchain, custom software development, and web development.
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10$10,000+10 - 49 employeesLondon, EnglandRead More
Tech Band is a blockchain company. Established in 2016, the team offers blockchain, custom software development, web development, and mobile app development. Their small agency is located in Kyiv, Ukraine.
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Compound Finance Linear Finance Nimbus DeFiIndustries
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11$10,000+10 - 49 employeesLondon, EnglandRead More
5StarDesigners is a design agency founded in London in 2013 with more than 10 members. They are experts in UX/UI design, mobile app development, and custom software development solutions for small and medium-sized companies.
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SwikeIndustries
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12$5,000+50 - 249 employeesLondon, EnglandRead More
WeUno is a digital agency founded in 2016 in Karachi, Pakistan. Their team of no more than 50 specializes in web development, mobile app development, and social media marketing services for clients in the fields of advertising, IT services, and e-commerce.
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Strapp x University of MichiganIndustries
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13$5,000+50 - 249 employeesLondon, EnglandRead More
bvblogic is a full-stack web and mobile development company headquartered in Ivano-Frankivsk, Ukraine, with additional offices in Warsaw, Poland; Kiev, Ukraine; and Toronto, Ontario. Founded in 2008, bvblogic's team of around 75 employees specializes in web development, mobile app development, and custom software development. bvblogic primarily works with midmarket and enterprise clients in the business services, consumer products, and advertising industries.
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SOCAR EnergyIndustries
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14$5,000+10 - 49 employeesLondon, EnglandRead More
Mifort is a web development firm. Founded in 2015, the team focuses on web development and mobile app development. Their small company is Tallinn, Estonia-based.
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15$25,000+10 - 49 employeesLondon, EnglandRead More
Based in London, United Kingdom, CYBER BEE is a blockchain company. They provide blockchain, IT staff augmentation, and custom software development and were founded in 2015.
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PolytradeIndustries
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16$10,000+10 - 49 employeesLondon, EnglandHeveloon ltd is a cloud consulting & SI company. Launched in 2018, the small agency is located in London, England and Vicenza, Italy. Their team specializes in cloud consulting & SI, AI Consulting, Custom Software Development, Mobile App Development, and more.Read More
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Wide Care Services EurospinIndustries
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17$5,000+2 - 9 employeesLondon, EnglandRead More
Tesseract Academy is an AI firm. Established in 2016, the team offers Artificial Intelligence, blockchain, IT strategy consulting, BI & big data consulting & SI, and more. Their small firm is headquartered in London, United Kingdom.
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18$25,000+10 - 49 employeesLondon , EnglandRead More
AVAMAE is a software solutions agency run by a team of fewer than 50 professionals founded in 2011. Based in London, the company offers custom software, web, and mobile app development services for small and medium-sized businesses from various industries, such as business services, financial services, and health care.
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BetDSIIndustries
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19$10,000+50 - 249 employeesLondon , EnglandRead More
Web development firm Wise Vision was founded in 2018. The agency provides web development, e-commerce development, accounting, enterprise app modernization, and more and has a small team. The agency is in L'viv, Ukraine.
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Beep AutoIndustries
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20$5,000+50 - 249 employeesLondon, EnglandRead More
Pixelfield is a digital agency based in London. Founded in 2012, their team of around 15 employees specializes in UX/UI design, product design, and custom software development.
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Raiffeisen BankIndustries
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21$50,000+50 - 249 employeesLondon, EnglandRead More
Vodworks is a London, United Kingdom-based data analytics company. They offer BI & big data consulting & SI, custom software development, broadcast video, IT strategy consulting, and more and were launched in 2011.
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22$5,000+50 - 249 employeesLondon, EnglandRead More
Pynest is a small IT staff augmentation company. The Tallinn, Estonia-based agency was founded in 2021. Their team offers IT staff augmentation and custom software development.
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23$50,000+50 - 249 employeesLiverpool, EnglandNextChainX is a Karachi, Pakistan-based blockchain company. The midsize agency was launched in 2024. Their services include blockchain, custom software development, web development, mobile app development, and more.Read More
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24$100,000+50 - 249 employeesLondon, EnglandLocated in London, England and Chemnitz, Germany, Infinity Technologies is a midsize software development company. Founded in 2003, the team focuses on Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.Read More
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25$1,000+50 - 249 employeesSheffield, EnglandStarklightechnology company is a custom software development company located in Sheffield, United Kingdom and Sheffield, United Kingdom. The midsize agency was established in 2021. Their team offers custom software development, mobile app development, web development, IoT development, and more.Read More
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26$10,000+50 - 249 employeesLondon, EnglandLaunched in 2020, Moonshot Partners is a IT strategy consulting company. The midsize team offers IT strategy consulting, custom software development, web development, mobile app development, and more. The agency is headquartered in London, United Kingdom.Read More
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27$25,000+2 - 9 employeesLondon, EnglandRead More
Based in Vancouver, Washington, ledgr. Is a business consulting company. The small firm was launched in 2022. Their services include business consulting.
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LuxlockIndustries
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28$10,000+50 - 249 employeesOldham, EnglandRock'n'Block, a Blockchain company, was established in 2017. The midsize team specializes in Blockchain. The firm is in Dubai, United Arab Emirates; Oldham, England and Seoul, South Korea.Read More
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TeambrellaIndustries
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29$10,000+50 - 249 employeesLondon, EnglandKingIT Solutions is a midsize Blockchain company headquartered in London, England. Their services include Blockchain and Mobile App Development.Read More
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30$10,000+50 - 249 employeesTwickenham, EnglandIT strategy consulting company INVINCIX Solutions Private Limited was founded in 2017. Their midsize team is in Singapore, Singapore; Bhubaneswar, India; Ho Chi Minh City, Vietnam and Twickenham, United Kingdom and provides IT strategy consulting, ux/ui design, IT managed services, custom software development, and more.Read More
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XimpleIndustries
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