Looking 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. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best United Kingdom Smart Contract Developers

  • 1
    $10,000+
    50 - 249 Employees
    Yarnton United Kingdom

    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.

    Clients
    Everledger
    iFinca
    HDFC Bank
    KFC
    Industries
    Notable Project

    Debut Infotech has an ongoing partnership with a leading bank to streamline processes and help the internal team track sales. Debut Infotech developed server-side iOS and Android apps that integrated with the client’s backend custom relationship management (CRM) solution.

    “The application already has 7,000-8,000 users, which speaks to its adaptability, speed, look, and feel.” – Head of Sales, Leading Bank

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  • 2
    $25,000+
    50 - 249 Employees
    London United Kingdom

    Serokell OÜ is a software research and development company based in Tallinn, Estonia founded in 2015. The team of 26 offer their services in IoT development, artificial intelligence, and blockchain. They work with a wide variety of industries, including financial services and IT, among others. Their blockchain services revolve around initial coin offering consulting and smart contract development.

    Clients
    Disciplina
    Tocqueville Group
    IOHK
    Industries
    Notable Project

    Serokell OÜ was hired by a 3D solutions developer to assist in developing software for real-time 3D scanning at a planetarium. Serokell OÜ's assistance in the project ran smoothly as expected, and no problems occurred.

    "They really smart and they speak Russian, don't know what to say else." - CEO, 3D Solutions Developer

  • 3
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Exyte is a software development firm based in Novosibirsk, Russia. Founded in 2014, Exyte primarily works with startups on product development and has 14 employees. Their diverse technology stack and forward-thinking approach set them apart; they offer full-cycle mobile app development, AR/VR development, and UI/UX design.

    Clients
    Delta Airlines
    Monsanto
    PWC
    Bayer.
    Industries
    Notable Project

    Exyte provided advertising and marketing services for a security software company. They built a website for the product, managed a promotional campaign on Facebook, and did market research on SurveyMonkey.

    "They provided an end-to-end service and held our hands through the process."

  • 4
    $10,000+
    2 - 9 Employees
    London United Kingdom

    Binary Mango is a mobile app development platform that's based in London. Since 2016, their team of fewer than 10 have provided mobile app as well as AR/VR development assistance to mid-market and enterprise-level clients in the fields of consumer products and advertising. 

    Clients
    GetLeslie
    Whering
    Medishout
    Fundspace
    Industries
    Notable Project

    Binary Mango was hired by a watch and accessory company for AR and VR technology solutions. Binary Mango developed an AR app for iOS to showcase their smartwatches' features. The app saw an increase in both engagement and sales for their smartwatch product line.

    "They helped us to solve problems. Their team was flexible in proposing different ways to achieve what we were looking for.' - Marketing Director, Watch and Accessory Company

  • 5
    $5,000+
    10 - 49 Employees
    London United Kingdom

    Heveloon ltd is a mobile app development company in London, United Kingdom. Founded in 2018, they have about 5 employees that serve mostly small-business and midmarket clients in the medical, business, and financial services sectors. Services include mobile app development, blockchain, and enterprise app modernization. 

    Clients
    Cocconapp
    TherapYOU
    Cabalda
    Wtatruffles
    Industries
    Notable Project

    Heveloon ltd provided UI/UX designs and mobile app development services for a digital storage company. Working from scratch, they designed and built the app's front- and backend. The partner was really happy with the deliverables, and the app received positive feedback.

    "They’re a positive team that works to understand the needs and wants of their client." –CEO, Digital Storage Company

  • 6
    $5,000+
    2 - 9 Employees
    London United Kingdom

    Aegasis Labs is an artificial intelligence company. The small team is in London, United Kingdom. Their services include Artificial Intelligence, custom software development, BI & big data consulting & SI, blockchain, and more.

    Industries
    Notable Project

    Aegasis Labs supporter the tech migration efforts of a medical AI company. The team fully developed the AWS infrastructure's backend and conducted API integration to complete the prototype.

    "We were able to rely on their broad skillset throughout the partnership."

  • 7
    $10,000+
    10 - 49 Employees
    Manchester United Kingdom

    Founded in 2010, Silverchip is located in Manchester, United Kingdom. Their team of 13 employees provides mobile app development and custom software development services for enterprise, midmarket, and small businesses.

    Clients
    Suits Me Banking
    England Squash
    LGBT Foundation
    Boundary Outlet
    Industries
    Notable Project

    Silverchip developed a documentation system to make it quicker and more customizable. They built out the database architecture and added a template builder. They developed with React, JavaScript, and C++.

    “They enjoy what they do, and it shows in what they deliver to their clients.”

  • 8
    business

    Axonian

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    $5,000+
    10 - 49 Employees
    London United Kingdom

    Axonian, a blockchain company, was founded in 2016. They are located in London, United Kingdom and have a small team. Their services include blockchain and mobile app development.

  • 9
    Undisclosed
    10 - 49 Employees
    London United Kingdom

    Argent, a blockchain company, is located in London, United Kingdom. The small company was established in 2017. Their team provides blockchain.

  • 10
    $10,000+
    250 - 999 Employees
    Romford United Kingdom

    Established in 2013, Mitosis Technologies is an AI development company. Their midsize team is in Rajakilpakkam, India; Westminster, Colorado; Romford, United Kingdom and Itú , Brazil. Their team focuses on Artificial Intelligence, custom software development, BI & big data consulting & SI, and blockchain.

    Industries
  • 11
    $5,000+
    2 - 9 Employees
    Birmingham United Kingdom

    Gretol is a blockchain company founded in 2021. Their small team is located in Birmingham, United Kingdom and provides blockchain, Artificial Intelligence, logistics & supply chain consulting, warehousing & distribution, and more.

    Industries
  • 12
    $25,000+
    10 - 49 Employees
    London United Kingdom

    Artificial intelligence firm Electi Consulting was established in 2017. Their small team is located in London, United Kingdom and Λεμεσός, Cyprus and offers Artificial Intelligence, blockchain, BI & big data consulting & SI, digital strategy, and more.

    Industries
  • 13
    $25,000+
    250 - 999 Employees
    London United Kingdom

    Vacuumlabs is a custom software development company. They focus on custom software development, mobile app development, IT staff augmentation, ux/ui design, and more and were launched in 2012. The firm is located in Bratislava, Slovakia; London, United Kingdom; Tallin, Estonia and Prague, Czech Republic.

    Clients
    Standard Chartered
    Twisto
    Cledara
    EMURGO
    Industries
  • 14
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Crypto Code UK is a blockchain company. Founded in 2020, the firm is headquartered in London, United Kingdom. The small team focuses on blockchain, custom software development, and application management & support.

    Industries
  • 15
    $10,000+
    50 - 249 Employees
    London United Kingdom

    Erlang Solutions is a software development firm. Launched in 1999, the team offers custom software development, IT strategy consulting, blockchain, mobile app development, and more. Their midsize agency is London, United Kingdom-based.

    Industries
  • 16
    $10,000+
    2 - 9 Employees
    London United Kingdom

    Located in London, United Kingdom, That Product Studio is a product design company. The small team provides product design, mobile app development, and web development and was launched in 2019.

    Industries
  • 17
    $5,000+
    50 - 249 Employees
    London United Kingdom

    SGC Ventures is a London, United Kingdom-based software development company. The company specializes in custom software development, web development, mobile app development, e-commerce development, and more and is midsize.The company was launched in 2011.

    Industries
  • 18
    $10,000+
    2 - 9 Employees
    Bideford United Kingdom

    Barr Media is a small custom software development company. Founded in 2018, the company is headquartered in Bideford, United Kingdom. Their services include custom software development, web development, mobile app development, and blockchain.

    Industries
  • 19
    Undisclosed
    2 - 9 Employees
    Coventry United Kingdom

    Creative Website UK, a blockchain company, is headquartered in Coventry, United Kingdom. The small agency was established in 2009. Their team offers blockchain, e-commerce development, mobile app development, and web design.

  • 20
    $10,000+
    2 - 9 Employees
    Fareham United Kingdom

    Bamboo Creative is an advertising company. They are headquartered in Fareham, United Kingdom and London, United Kingdom and have a small team. Their services include advertising, branding, blockchain, AR/VR development, and more. The agency was launched in 2012.

    Industries
  • 21
    $25,000+
    50 - 249 Employees
    London United Kingdom

    Hartley Lab is a Pune, India-based web development firm. The midsize team specializes in web development, custom software development, blockchain, digital strategy, and more. The firm was launched in 2011.

    Industries
  • 22
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Founded in 2019, LikeSoft is a small custom software development firm. Their team offers custom software development, IT staff augmentation, e-commerce development, mobile app development, and more. The agency is located in Moscow, Russia; New York, New York and London, United Kingdom.

    Industries
  • 23
    $10,000+
    10 - 49 Employees
    London United Kingdom

    E-done is an application development firm. They are headquartered in Zaporizhzhia, Ukraine; New York, New York; Moscow, Russia and London, United Kingdom and have a small team. The firm specializes in mobile app development, blockchain, enterprise app modernization, application management & support, and more.

    Industries
  • 24
    $5,000+
    2 - 9 Employees
    Chalfont Saint Peter United Kingdom

    BAT CODERS is a cybersecurity company. Established in 2011, the team offers cybersecurity, mobile app development, web development, and blockchain. Their small firm is in Chalfont Saint Peter, United Kingdom.

  • 25
    $5,000+
    2 - 9 Employees
    London United Kingdom

    Tesseract Academy, an artificial intelligence company, was launched in [node:field_pp_year_founded:value]. They are based in London, United Kingdom and have a small team. Tesseract Academy specializes in Artificial Intelligence, blockchain, IT strategy consulting, BI & big data consulting & SI, and more.

    Industries
  • 26
    $10,000+
    2 - 9 Employees
    London United Kingdom

    Launched in 2020, Bitmaster is a small mobile app development firm. Their team focuses on mobile app development, web development, Artificial Intelligence, and blockchain. The agency is headquartered in London, United Kingdom.

  • 27
    $1,000+
    50 - 249 Employees
    Sheffield United Kingdom

    SpyreSync is a web design agency headquartered in Sheffield, United Kingdom. The midsize team specializes in web design, ux/ui design, custom software development, web development, and more and was launched in [node:field_pp_year_founded:value].

    Industries
Tell us about your project
NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

TELL US ABOUT YOUR PROJECT