Top 60 Smart Contract Companies in

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Top 60 Smart Contract Companies in

April 2023

Looking for a top smart contract developer in ?

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. 

Jump to Most Reviewed Companies

List of the Best Smart Contract Developers

  • 1
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Tech Alchemy was founded in 2016 and has two locations in London. Their team of nearly ten employees provides web development, mobile app development, and UX/UI design services for small businesses.

    Clients

    • Ocean Bottle
    • TOAD
    • MyBricks
    • Moviecoin

    Industries

    Notable Project

    A B2B entertainment platform was looking to integrate blockchain technology into its system, so they engaged with Tech Alchemy for their custom software development sevices.

    "They’re a solid team with excellent synergy, and they’ve merged well into the project."

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  • 2
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $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 has worked on various projects with the company, this one being specifically for an AR modeling tool. They worked on front- and backend development, UI/UX, and wireframing.

    "Binary Mango is the type of team that delivers on its promises."

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  • 3
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Pixelette Technologies Ltd is a SEO services firm headquartered in London, United Kingdom. They focus on search engine optimization, conversion optimization, digital strategy, social media marketing, and more and were launched in 2018.

    Industries

    Notable Project

    A veterinary group has hired Pixelette Technologies to add cryptocurrency fundraising capabilities to their website, adding NFT-based fundraising. They’ve altered the site’s content to improve search rankings. 

    Their team is really great to work with.”

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  • 4
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      3.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    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.

    Notable Project

    Bitorix was hired by a fintech firm to extend their existing platform to enable them to sell digital assets and receive payment to their traditional bank accounts. They also configured alerts and metrics.

    "The founders are directly involved in the project, which has contributed to the outstanding results achieved."

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  • 5
    • $25,000+
    • 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 custom software development services for a blockchain-powered fashion marketplace. This mainly involved API management and the implementation of blockchain tools.

    "They were a very professional and skilled team."

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  • 6
    • Scheduling

      4.3
    • Quality

      4.4
    • Cost

      4.3
    • NPS

      4.1
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 2 - 9 employees
    • Whiteley, United Kingdom

    Chimpare is a small application development firm. In Whiteley, United Kingdom; New York, New York and Markham, Canada, the firm was launched in 2012. Their services include mobile app development, web development, e-commerce development, ux/ui design, and more.

    Industries

    Notable Project

    Chimpare built an online platform for a consulting agency. They were also tasked with creating content, including written content, graphics, and video assets, for the site.

    "It was enjoyable to work with the Chimpare team!"

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  • 7
    • $10,000+
    • 2 - 9 employees
    • Bristol, United Kingdom

    Blue Sparrow Apps is a development agency based in Bristol, England, and founded in 2015. With fewer than 10 employees, they specialize in mobile app and custom software development solutions for both small and medium-sized businesses.

    Clients

    • FanHub
    • Coeus Software

    Notable Project

    Blue Sparrow Apps developed a smartphone app for a religious organization. The final product uses an API to connect dozens of versions of the bible while integrating camera and video functionality.

    “Working creatively, they’ve developed a product that’s truly robust.”

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  • 8
    • $25,000+
    • 10 - 49 employees
    • London , United Kingdom

    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.

    Clients

    • BetDSI
    • Strengthscope
    • Clevry
    • Buyfair

    Industries

    Notable Project

    AVAMAE Software Solutions Ltd has provided consulting to a SaaS startup to help them define their platform’s requirements. Additionally, they’ve created the UI/UX design to showcase the product to investors.

    “AVAMAE has been a helpful partner, and they’ve basically become the technology brain behind our fundraising process.”

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  • 9
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Oney Studio is a small other design company. Launched in 2020, the company is in Kyiv, Ukraine and Dubai, United Arab Emirates. Their services include other design, architectural design, graphic design, blockchain, and more.

    Industries

    Notable Project

    A crypto NFT firm hired Oney Studio to create a video that features two characters that would introduce the title of their project.

    "Oney Studio really took their time to understand our requests and also to re-edit small parts of the video."

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  • 10
    • $1,000+
    • 50 - 249 employees
    • Sheffield, United Kingdom
    Starklightechnology 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.

    Industries

    Notable Project

    Starklightechnology company has developed a web-based game for a game development company, and they’re now building the Android version. Their work includes prototyping, full stack development, and testing.

    “Starklightechnology company delivered the game much earlier than expected.”

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  • 11
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 2 - 9 employees
    • London, United Kingdom

    Based in Vancouver, Washington, ledgr. Is a business consulting company. The small firm was launched in 2022. Their services include business consulting.

    Clients

    • Luxlock
    • Burnett
    • Mod Studio
    • Citizen-T

    Industries

    Notable Project

    ledgr. provides technical support for a retail experience platform's Web3 experiential fashion event. They help build an activation workflow and research unique use cases to guide the project scope.

    "Everything has been swift, and they have never dropped the ball."

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  • 12
    • $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

    Notable Project

    A tech product design company was looking to streamline their design and product proposals to their customers, so they engaged with That Product Studio for UI/UX design support.

    "We don’t really need to think too hard about what we’re trying to achieve because they always hit the mark."

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  • 13
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom
    SDNA Tech , a mobile application development firm, is headquartered in London, United Kingdom. The agency offers mobile app development, blockchain, AR/VR development, custom software development, and more and has a midsize team.The agency was launched in 2010.
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  • 14
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    Wealax LTD is an IT strategy consulting company. They are headquartered in London, United Kingdom and have a small team that provides IT strategy consulting, cloud consulting & SI, other IT consulting and SI, custom software development, and more. The firm was launched in 2021.

    Industries

    Notable Project

    Wealax LTD developed a website for a design agency. The site was aimed at facilitating users' interaction with fellow designers. 

    "I felt included and very comfortable while working with Wealax."

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  • 15
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Apexdv, a blockchain company, was founded in 2017. Their small team is located in Shelton, Connecticut and London, United Kingdom and focuses on blockchain, web design, and web development.

    Clients

    • Blockchain development

    Industries

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  • 16
    • $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."

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  • 17
    • $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

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  • 18
    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom

    Appetite Creative Solutions is a creative digital marketing agency in London, England – with offices in Madrid and Dubai, too. Established in 2015, Appetite Creative Solutions has a team of 25 employees. They offer logo, web design, games development, and social media marketing services.

    Clients

    • Synergy Land
    • Tetra Pak
    • Elopak
    • Jaguar

    Industries

    Notable Project

    Appetite Creative has built and is now hosting a new website for a consulting firm. The platform was asked to reflect 35 years of the client's business experience. 

    "I particularly liked their creativity which I believe has resulted in a stand-out website."

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  • 19
    • $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.
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  • 20
    • $25,000+
    • 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

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  • 21
    • $25,000+
    • 50 - 249 employees
    • York, United Kingdom

    Flutter Developers is an app development firm. Established in 2017, the small company is headquartered in York, United Kingdom. Their team specializes in mobile app development and web development.

    Industries

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  • 22
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom
    Crypto Developers is a London, United Kingdom-based blockchain company. The midsize company was established in 2022. Their services include blockchain, web design, custom software development, web development, and more.
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  • 23
    • $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

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  • 24
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom
    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.

    Industries

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  • 25
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom
    F7A is a software development company. They are headquartered in London, United Kingdom and have a small team. Their services include custom software development, commercial financing, funding, & investment, and ux/ui design. The agency was founded in 2017.

    Clients

    • Coinchange
    • T-Digital
    • Rbidex
    • Vesper Capital

    Industries

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  • 26
    • $5,000+
    • 2 - 9 employees
    • London, United Kingdom

    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.

    Industries

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  • 27
    • $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

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  • 28
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom
    Rehab Agency is a digital strategy company. Their small team is headquartered in London, United Kingdom and focuses on digital strategy, ux/ui design, product design, business consulting, and more. The agency was launched in 2005.
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  • 29
    • $100,000+
    • 250 - 999 employees
    • London, United Kingdom
    Founded in 2014, Bit index capital is a commercial financing, funding, & investment company. Their midsize team is headquartered in London, United Kingdom. Their services include commercial financing, funding, & investment, blockchain, business consulting, finance & accounting outsourcing (FAO), and more.
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  • 30
    • Undisclosed
    • 2 - 9 employees
    • London, United Kingdom
    Augment Blockchain is a London, United Kingdom-based blockchain company. The small company was launched in 2023. Their services include blockchain and blockchain marketing.
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