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Top London Blockchain Companies (122)

Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
19 Offices
12,000 Employees

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.


AdTech • Blockchain • Digital Media • eCommerce • Machine Learning • NFT • Web3
2 Offices
120 Employees

SmartMedia Technologies (SMT) is reshaping the landscape of customer engagement and loyalty to help some of the world’s major enterprises to drive better business outcomes. SMT is the only complete end-to-end solution that bridges the gap between Web2 and Web3, making Web3 safe, easy and valuable for brands and fun, open and rewarding for consumers. Over 50 partners, including Accenture, Dentsu, NBA, PepsiCo, Unilever, Visa and WPP, leverage SMT’s enterprise SaaS engagement and loyalty platform to deliver immersive, gamified and personalized experiences - at scale. SMT also owns and operates the professional services companies FASTG8, TRADR and SmartMedia Labs, which are all powered by the SmartMedia Stack - a Self-Serve Audience Activation and Real-Time Programmatic SmartMedia Buying Platform.


Blockchain • Fintech • Payments • Financial Services • Cryptocurrency
London, England
151 Employees

BCB Group is a leading crypto-dedicated payment services provider, serving many of the industry’s largest clients including Bitstamp, Crypto.com, Fireblocks, Galaxy, Gemini, Huobi and Kraken. BCB Group provides payment services in over 30 currencies, FX, cryptocurrency liquidity, digital asset custody and BLINC, which is BCB’s free, instant settlements network for the BCB client ecosystem. Responding to corporate and institutional demand for essential and excellent infrastructure in digital asset markets, BCB Group was created by established thought leaders in finance, regulation and technology. Founded in the UK and developed to encompass key relationships across global financial services communities, BCB Group is well positioned as one of the first multi-jurisdictional regulated cryptocurrency service firms. BCB Group’s leadership executive team have worked for Barclays, Paysafe, Bitstamp, Coinbase, Credit Suisse, Deutsche Bank, FIS, Goldman Sachs, JP Morgan, Investec, Lloyds Commercial Bank, Luno, Norton Rose Fulbright, FIS and Sun Life of Canada. BCB’s mission is to connect and bank the global crypto industry.


Blockchain • Cryptocurrency
2 Offices
266 Employees

Copper is a digital asset technology company dedicated to helping institutional investors safely acquire, trade and store cryptoassets. Built and led by Dmitry Tokarev, a software and financial engineering specialist, the firm provides a comprehensive suite of custody, trading and settlement solutions that reduce counterparty risk and bring greater capital and operational efficiency to digital asset markets. At the heart of Copper's offering is Multi-Party Computation (MPC) technology – the gold standard in secure custody. Copper’s multi-award winning custody system is unique in that it can be connected to centralised exchanges without the assets leaving the custody. In addition to industry-leading security certifications, Copper has one of the strongest insurance coverages in the industry from an A+ rated insurer, positioning the firm as the partner of choice for institutions seeking to safeguard their assets. For additional information about the company, follow Copper on Twitter @CopperHQ or visit its newsroom at https://copper.co/insights/company-news for the latest company news.


Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
2 Offices
911 Employees

Blockchain.com is connecting the world to the future of finance. We are the most trusted and fastest growing crypto company, helping millions across the globe – from single individuals to the largest institutions – have an easy and safe way to buy, sell and store cryptocurrency. Known as the world's most popular crypto wallet, Blockchain.com is on a path to revolutionizing the $14T financial services industry. Blockchain.com is backed by leading investors including Lightspeed Venture Partners and Google Ventures.


Artificial Intelligence • Blockchain • Fintech • Software • NFT • Web3 • App development
2 Offices
200 Employees

Ranked among Top 5 UK Blockchain companies and top 10 AI companies, 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 an end. The end? To help companies scale rapidly by expanding their tech, onboarding new customers, gaining valuable feedback, and ultimately achieving market fit. With over 30,000 hours in development, 200+ projects live, and 13 branches worldwide, we make world-class tech affordable. Converting the elusive 'what if' into the tangible 'what is'. Our commitment to providing exceptional services shows in our performance across North America, Asia, South America and Europe within various aspects: Achievements: - Pixelette Technologies is the official Secretariat of the British Government on AI policy (APPG AI) and previously blockchain (APPG Blockchain). Sponsored by Deloitte, KPMG, EY, PwC, Barclays, Unilever, BT, HP, Google, Microsoft and more. - Awarded as Top 20 ‘Blockchain Solution Companies’ worldwide and Top 5 in the UK - Awarded ‘Best AI Agency’ in the UK three times by the Scottish Business Awards. - Secured over £100M in funding through MVPs for various start-ups. Past projects: - AI and Blockchain solutions for Mcdonald's, GMC, Chrysler, Ram, Dodge, Fiat, Lytics, Sandoz and more. - NFT projects such as Polka Legends DAO, Beowulf, Buttersmiles 10K, Charles Salvador Bronson’s NFT collection, etc. Our team: - We have a team of 200+. 90% rank in the top 5% according to LinkedIn skills test data and Glassdoor reviews. - Our senior management holds top 1% (Top Voice) ranks globally on LinkedIn for AI, Blockchain and Marketing. - We hire exclusively through TopTal, Turing, Crossover, etc. Reach out to us at [email protected] to get started.


Blockchain • Software
London, England
79 Employees

Trilitech is a blockchain research and development hub focused on the open-source Tezos blockchain. Based in London, Trilitech offers innovation and collaborative opportunities to developers and technology professionals interested in the vibrant and rapidly growing blockchain industry. From custom development solutions to resident entrepreneurial and business development programs, trilitech is building out the future of digital, on the blockchain. Learn more at www.trili.tech


Blockchain • Web3
London, England
26 Employees

About Beyond Labs: We are a pioneering technology company specializing in building cutting-edge Web3 ecosystems and decentralized solutions.


Blockchain • Gaming • Web3
London, England
26 Employees

Coda Labs is a team of creative and technology experts who focus on building fun mobile gaming experiences, powered by blockchain technology. Our aim is to fuel web3 adoption to bring millions of players on-chain while creating new economic opportunities for game developers and game players. Coda Labs recently shifted to be fully dedicated to web3 and rebranded from Coda Platform, a mobile games publishing platform founded in 2019. Infinite Arcade, Coda Labs’ first web3 project, launched in March 2022 and several other projects are in the works. Coda Labs is backed by world-class investors including Lvp, investors in Unity and Supercell.


Blockchain • Information Technology • Consulting
London, England
39 Employees

Arweave uberizes the traditional web hosting environment, connecting people with spare hard drive space with people that need web hosting. This system offers unparalleled levels of data replication and security for users, as well as financial incentives for participants in the network. Arweave has set the new standard of highly reliable, lightning fast web application hosting at a fraction of the cost of traditional centralised providers. In April 2018, Arweave graduated from the mentorship-driven startup acceleration program at Techstars Berlin. After raising $8.7 million through token sales, Arweave launched its mainnet in June 2018. In January 2019, we launched the permaweb, a permanent serverless web built on top of the Arweave. This is the web you can own and run. Visit our website to learn how you can use Arweave to deploy web apps, archive web pages, mine and much more!


Blockchain • Financial Services • Cryptocurrency
2 Offices
181 Employees

We help our customers make the crypto economy a safe place to transact and invest as crypto paves the way for a new, digital monetary system. Crypto businesses, financial institutions, and government turn to Elliptic for blockchain analytics, training, and certification to better manage financial crime risk in crypto.


Blockchain • Fintech • Information Technology • Software • Financial Services • Cryptocurrency • NFT
London, England
11 Employees

NFTs, Metaverse, Web3, Brands & Fans


Blockchain • Fintech • Information Technology • Payments • Software • Financial Services
London, England
95 Employees

A decentralized, real time, multi-currency global liquidity management and international payments network based on tokenized money over a smart contract-enabled distributed ledger


Blockchain • eCommerce • Fintech • Payments • Financial Services • Cryptocurrency
London, England
35 Employees

Rvvup bridges the 3 generations of payments for online businesses. Consolidate multiple payment management, transaction data, unlock actionable insights & simplify reconciliation using a single interface. Future proof your checkout payments.


Blockchain • Business Intelligence
2 Offices
139 Employees

There is a global shortage of tech talent, 76% of IT leaders experience skills gaps on their teams, since 2016, there has been a 145% increase in the number of IT decision-makers who report a skills gap in their department. On average, it costs companies more than £20,000 and takes 5 months to fill a technical vacancy. This is a huge issue for any organisation that relies on tech workers to develop and maintain its products and services. Distributed developed Elastic Teams™️ to address this global issue. Through the Distributed platform clients can work with fully managed, globally distributed teams of highly skilled software engineers allowing them to build and maintain software faster, more efficiently, cost-effectively, and with more visibility than ever before. Distributed’s Elastic Teams™️ deliver within days, not months. With Elastic Teams™️ clients can scale up and down team activity based on requirements and compose their teams of any programming skillsets. Distributed maintains a workforce of full-time project managers, technical leads and quality assurance leads that are deployed on every client project. This means every project is fully managed from brief to delivery to ensure the most efficient and highest quality result for the client. That's why we founded Distributed.


Blockchain • Payments • Software
London, England
38 Employees

Fluency is a market leading blockchain technology company. Our revolutionary flagship product, Aureum, is an innovative blockchain CBDC technology for retail, wholesale & international payments. At its core, a next-gen ledger-stored account-CBDC solution with privacy by design. Fluency yields active central bank and governments engagements. We are appointed to the world’s key CBDCs and payment systems projects innovating world’s most traded currencies - GBP, EUR & USD advising the European Central Bank, Bank of England and US-Fed Reserve. Aureum is capable of achieving all CBDC related requirements, including those outlined by G7 and European Central Bank foundation design aspects for a digital euro, approved by its Governing Council of 20 national central banks of the Eurozone. INNOVATIVE wCBDC & rCBDC BRIDGE CAPABILITY Single issuance layer deploying a conversion bridge - wholesale tokens (wCBDC) to and from retail account DLT-stored rCBDC. AUREUM CORE - CENTRAL BANKS Highly resilient, multi-level permissioned and private DLT network developed across 4 layers of architecture, built specifically to enable CBDCs with full customisation: - Peer-to-peer validation, - Online validation by certified third-parties, - Dual offline functionality (when both payee and payer have no mobile/ internet connection), - Instantaneous and programmable payments, with privacy by design, - Double spending protection (both online & offline). AUREUM ENTERPRISE - FINANCIAL INSTITUTIONS CBDC-ready institutional DLT with smart contracts for wholesale CBDC & automated banking. Enables settlement of multiple CBDCs and other digital currencies on a single, universal platform: - Real-time cross-border multi-currency payments, - Fully offline, programmability, immutability, traceability & interoperability, - Smart contracts automation, tokenization of private equity, - Capability to support advance payment types inc. DvP, PvP and M2M. We are bridging the gap between CeFi and DeFi


Blockchain • Fintech • Software • Financial Services
London, England
62 Employees

Globacap is a leading capital markets technology firm that digitises and automates the world’s private capital markets. It delivers a whitelabel SaaS solution that brings public markets-like efficiency to private markets. The software’s digital workflows enable financial institutions including securities exchanges, securities firms, private banks, and asset managers to accelerate their private market commercial activity while also driving down operating costs. By removing friction in private markets, Globacap is helping to increase the availability of capital through greater access for investors, increasing transaction flow and liquidity, ultimately unlocking trapped economic growth. Globacap is a scaling fintech that has secured over $30m in funding. Its software has hosted 70+ private placements, executed $350m+ in secondary liquidity with automated settlement, and administers $14bn+ of private securities. One platform. Next-generation technology. Powerful placement and liquidity management


Blockchain • Gaming • Software • NFT
London, England
14 Employees

Guardian (https://guardianlabs.org) is at the forefront of programmable blockchain infrastructure, for gaming and on-chain finance. We are the only provider to offer enforceable NFT renting and lending. Founded on the principles of integrity and innovation our aim is to safeguard and transform web3. Our white labelled game solution allows game developers to quickly and easily integrate secure collateral free lending functionality for game NFTs without the cost of custom infrastructure, leaving them to focus on their players and their game.


Blockchain • Information Technology • Software • Virtual Reality • Consulting • Cybersecurity • Generative AI
5 Offices
800 Employees

Q3 Technologies is a global Managed IT Services provider offering end-to-end custom technology solutions, including software, mobile applications, data and BI, AI led digital transformation, cloud, ERP and CRM, cyber security, and UI/UX services. Our approach to solving our clients’ complex IT problems leverages the most effective and appropriate technology platforms suited for the job, and is driven by a vendor neutral philosophy allowing us to engineer highly innovative, optimized and cost effective solutions for your business. That is why we are trusted by hundreds of clients across the globe with customers like Samsung, Michelin, Panasonic, FirstGroup, Adani, Vedanta, Aditya Birla Group, Compass, and several more that have tasked us to build and deliver unique technology solutions which are tailored to specific needs and business objectives.


Artificial Intelligence • Blockchain • Gaming
London, England
40 Employees

Ioconic is a venture studio that works alongside ambitious founders to create, fund, and grow companies seeking to pioneer the next generation of consumer experiences. Our vastly experienced team, covering product, engineering, and go-to-market provide deep operational support to each of our ventures