Top 70 Smart Contract Companies in London
The Best of December 2025Looking for a top smart contract developer in London?
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 London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Smart Contract Developers
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31$25,000+10 - 49 employeesLondon, EnglandLocated in London, England, Rehab Agency is a Digital Strategy company. They offer Digital Strategy and UX/UI Design and were founded in 2005.Read More
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32$5,000+2 - 9 employeesLondon, EnglandWaterwhip Labs is a web development firm. The team offers Web Development and Custom Software Development, and the company is in London, England.Read More
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33$5,000+50 - 249 employeesLondon, EnglandApp development firm SGC Ventures was founded in 2011. The team focuses on Mobile App Development and E-Commerce Development.Read More
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34Undisclosed2 - 9 employeesLondon, EnglandAugment Blockchain is a London, England-based Blockchain company. They offer Blockchain and Blockchain Marketing.Read More
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35$1,000+10 - 49 employeesLondon, EnglandEstablished in 2020, Core Devs Ltd is a small Dubai, United Arab Emirates-based software development company. Their team provides Custom Software Development and Blockchain.Read More
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36$5,000+2 - 9 employeesLondon, EnglandInWings LTD is a small London, England-based Blockchain company. Their services include Blockchain and Custom Software Development.Read More
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37$5,000+50 - 249 employeesLondon, EnglandShivacha Technologies, a midsize Blockchain company, is based in Gurugram, India and Dallas, Texas. Their services include Blockchain and Artificial Intelligence.Read More
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38$10,000+2 - 9 employeesLondon, England0xLabs.dev is a Blockchain company. They are headquartered in London, England. Their team offers Blockchain.Read More
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39$5,000+2 - 9 employeesLondon, EnglandMoiotso Limited is a Digital Strategy company launched in 2017. Headquartered in London, England, the team specializes in Digital Strategy and Web Design.Read More
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40Undisclosed50 - 249 employeesLondon, EnglandZilliqa is a Blockchain company founded in 2018. Located in London, England, the team focuses on Blockchain.Read More
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41Undisclosed10 - 49 employeesLondon, EnglandSmall Blockchain company AgriLedger, is headquartered in London, England. Their services include Blockchain.Read More
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42Undisclosed2 - 9 employeesLondon, EnglandBlockchain company Tokenovate is located in London, England. Established in 2022, the team provides Blockchain.Read More
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43$5,000+10 - 49 employeesLondon, EnglandEstablished in 2016, Javed Khattak Consulting is a Blockchain company. Their services include Blockchain and Business Consulting.Read More
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44$1,000+10 - 49 employeesLondon, EnglandKodkodkod is a small Lyon, France-based mobile application development firm. The team focuses on Mobile App Development and E-Commerce Development.Read More
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45Undisclosed10 - 49 employeesLondon, EnglandArgent, a Blockchain company, is based in London, England. Their services include Blockchain.Read More
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46Undisclosed10 - 49 employeesLondon, EnglandCargoCoin is a Blockchain company headquartered in London, England. They offer Blockchain and Blockchain Marketing and were launched in 2018.Read More
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47$10,000+10 - 49 employeesLondon, EnglandE-done is an app development firm established in 2017. Based in Zaporizhzhia, Ukraine and New York, New York, the team offers Mobile App Development and Blockchain.Read More
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48$25,000+50 - 249 employeesPune, IndiaWeb development firm Hartley Lab is based in Pune, India and Singapore, Singapore. Established in 2011, the team focuses on Web Development and Custom Software Development.Read More
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49$10,000+10 - 49 employeesLondon, EnglandRead More
Founded in 2010, Whatdahack?! is a software development company and blockchain company. The small team specializes in custom software development and blockchain. The agency is based in London, United Kingdom and T'bilisi, Georgia.
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50Undisclosed10 - 49 employeesLondon, EnglandLocated in London, England and Mumbai, India, Network Science is an AR/VR development company. They specialize in AR/VR development and IoT development.Read More
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51Undisclosed50 - 249 employeesLondon, EnglandLaunched in 2018, Adhara, a midsize Blockchain company, is headquartered in London, England. Their services include Blockchain.Read More
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52Undisclosed2 - 9 employeesLondon, EnglandFounded in 2017, LIT.FUND is a Blockchain and Blockchain Marketing company. Their services include Blockchain and Blockchain Marketing.Read More
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53$10,000+2 - 9 employeesLondon, EnglandFounded in 2020, Bitmaster is a small app development company. Their team specializes in Mobile App Development and Web Development.Read More
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54Undisclosed2 - 9 employeesLondon, EnglandPentestify, a Blockchain company, is headquartered in London, England. The team provides Blockchain and Blockchain Marketing.Read More
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55$1,000+2 - 9 employeesLondon, EnglandTechInvicta is a SEO company. In London, England and Lahore, Pakistan, the firm offers Search Engine Optimization and IT staff augmentation.Read More
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56Undisclosed10 - 49 employeesLondon, EnglandBlockchain company Further Network specializes in Blockchain and Blockchain Marketing. They were founded in 2018.Read More
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57Undisclosed2 - 9 employeesLondon, EnglandChainblox, a Blockchain company, was established in 2008. The small team offers Blockchain and Blockchain Marketing.Read More
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58Undisclosed10 - 49 employeesLondon, EnglandBlockchain company Cryptosec provides Blockchain and Cybersecurity. They are in London, England.Read More
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59Undisclosed2 - 9 employeesLondon, EnglandBitNautic, a Blockchain company, was founded in 2017. The team provides Blockchain.Read More
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60Undisclosed2 - 9 employeesLondon, EnglandSpace Lion Ventures is a Blockchain company. Their small team is located in London, England. Their services include Blockchain and UX/UI Design.Read More
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