Top Blockchain Companies in London (171)
Block, Inc. is a global technology company with a focus on financial services. Made up of Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto, Block, Inc. builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the...
Block's Top Stability & Growth Strengths
Profitability: Operating profitability is strengthening, with Q2 2026 delivering a 27% adjusted operating margin and 65% growth in adjusted diluted EPS. For 2025, operating income also rose to $1.7B, highlighting improved earnings leverage.
Resilient & Sustainable Growth: Gross profit increased every year from 2021 to 2025 and accelerated 25% year over year in Q2 2026. Management raised its 2026 gross-profit outlook to $12.51B (about 21% growth), reinforcing a multi-period expansion trend.
Cost & Operational Efficiency: Efficiency measures and AI-driven execution are associated with faster product delivery and improved profitability. Workforce streamlining and operating leverage supported margin expansion alongside growth in both Cash App and Square.
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...
Mastercard's Top Stability & Growth Strengths
Strong Revenue Growth: Net revenue rose 16% in 2025 and increased 14% year over year in Q2 2026, alongside gains in gross dollar volume, cross-border volume, and switched transactions. Feedback suggests this growth spans both the core network and international activity.
Profitability: Operating income and net income grew faster than revenue in Q2 2026 (operating income +17%, net income +19%), with full-year 2025 also showing double-digit profit increases. These results indicate operating leverage and earnings expansion alongside sales growth.
Diversified Revenue Streams: Value-added services and solutions grew roughly 18%–23% in recent periods and now comprise a substantial share of total revenue, including cybersecurity, fraud prevention, authentication, and analytics. This broadens the business beyond card transactions and supports continued expansion.
Justworks is a cloud-based software platform that takes the busyness out of growing a business and alleviates the unknown. We've combined a simple platform and exceptional 24/7 customer service to help entrepreneurs and businesses grow with confidence by giving them access to corporate-level benefits, automated payroll, HR tools, and compliance support— all in one place.
Justworks's Top Stability & Growth Strengths
Strong Revenue Growth: Reported figures indicate expansion from about $140M in 2022 to roughly $350M in 2024, with the company later stating it was on track to exceed $500M in net revenue for FY2026. While metrics differ across sources, the directional trend points to meaningful top-line growth.
Customer Loyalty & Retention: Leadership reported all-time highs in customer satisfaction and retention, and commercial leaders cited average customer tenures of more than seven years. The customer base was also described as rising from nearly 9,000 (2022) to 12,000+ (2024–2025) and approximately 15,000 by 2026.
Product Line Growth: Offerings have expanded beyond the core PEO into standalone payroll, international employment services, and additional health-benefit options. Continued technology investment, including a reported $100M in R&D during 2024, underscores a push to broaden and improve the platform.
Institutional-grade analytics, data and research platform delivering interactive analytical tools, advanced quantitative models, custom visualization capabilities, and original research to professional traders, retail market participants, and the public sector. Block Scholes is founded, led and backed by financial industry veterans since 2021, including a CEO who has been involved in derivatives structuring and trading for 15+ years and has held...
Metrika is the industry leader in blockchain risk management, enabling proactive risk assessment and compliance across digital asset services. Implement strategic risk frameworks, navigate regulatory compliance, and protect operations with ongoing monitoring and surveillance. Learn more: www.metrika.co
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.
It’s rare that a new asset class is born. Nevertheless, we’re witnessing exactly that with the rise of crypto. Over just the last few years, since Bitwise was founded, crypto has evolved from an embryonic $50B market to a growing $3T+ juggernaut. At Bitwise, we believe that crypto has reached a turning point, and is headed north of $10T over...
Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. Bullish services are regulated in the United States, European Union, United Kingdom, Hong Kong, and Gibraltar. These include: Bullish Exchange – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market...
Bullish's Top Stability & Growth Strengths
Market Expansion: The company secured the New York BitLicense and launched U.S. spot trading in 20 states while maintaining licenses across the EU, Hong Kong, and Gibraltar. This expands access to institutional clients and supports geographic growth.
Diversified Revenue Streams: Acquisitions of CoinDesk and CCData added media, data, and indices businesses alongside trading, with subscription and services revenue increasing in 2025. This diversification reduces reliance on pure transaction fees and can smooth cyclicality.
Strong Market Position & Advantage: The platform ranks among the top exchanges by Bitcoin and Ether spot volumes and reports multi‑billion‑dollar average daily activity powered by hybrid CLOB+AMM and portfolio margining. This positioning strengthens institutional appeal and liquidity depth.
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...
Satsuma allows blockchain developers to create custom APIs from their smart contract data. Our first product is a drop-in subgraph platform with 2x+ faster indexing, better reliability, and additional developer tools.
COIN SCIENCES LTD is a computer software company based out of 9TH FLOOR 107 CHEAPSIDE, LONDON, United Kingdom.
BitradeX is a globally leading digital asset investment platform, providing professional, secure, and efficient digital asset investment services. Leveraging cutting-edge AI technology, we combine intelligent advisory and quantitative trading strategies to build a fully automated asset management system. Our core strength lies in technological innovation. The ARK Trading Model enables fully automated trading, supported by a millisecond-level AI risk control...
Headquartered in London, Satsuma Technology PLC is a publicly listed technology company focused on Bitcoin-native treasury management and decentralized artificial intelligence. The Company operates a treasury-first model, aligning itself with the most secure monetary network in history, Bitcoin, while building and investing in AI-based decentralized infrastructure and applications across the Bittensor ecosystem and beyond.
Our mission is to educate, train and elevate start-up entrepreneurs to the highest standards, by providing best-in-class mentors, and teaching with the latest tech tools. Our incubator will ‘hot-house’ our entrepreneurs in a 12 week intensive training program with hand-picked mentors and advisors. This will ensure each company has the greatest possible chance of success, to secure their first £140,000...
Profitable trading, investing, reporting & DeFi decisions start with MERLIN, unique on-chain $ gains & loss portfolio analytics ⛓ Built on Ethereum, Arbitrum, Avalanche and more Monitor your portfolio using Merlin, our institutional-grade DeFi Wallet Tracker
MoonPay is a financial technology company that builds payments infrastructure for crypto. Our on-and-off-ramp suite of products provides a seamless experience for converting between fiat currencies and cryptocurrencies using all major payment methods including debit and credit card, local bank transfers, Apple Pay, Google Pay, and Samsung Pay. MoonPay is active in more than 160 countries and is trusted by...
MoonPay's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue momentum is highlighted by the company describing 2024 as its strongest financial year, with sharp quarter-over-quarter increases in net revenue and transaction volume in early 2025. Customer and activity scale up to tens of millions further aligns with rising top-line performance.
Profitability: Profitability is indicated, with 2024 characterized as profitable and cash‑flow positive. Subsequent quarters are presented as record periods, reinforcing an improving earnings profile.
Product Line Growth: Product breadth has expanded from on/off-ramps into stablecoin infrastructure, tokenized-asset rails, swaps, and AI/agent payments. Multiple acquisitions (e.g., Helio, Iron, DFlow, Meso) and launches signal continued portfolio expansion.
At Zfort Group, we empower businesses with cutting-edge technology and innovative solutions. Our expertise spans AI, blockchain, web development, and mobile applications — helping you stay ahead in a fast-evolving market. Our Services Custom AI Development We deliver tailored AI solutions designed to solve complex business challenges and unlock new growth opportunities. Our AI expertise includes: Machine Learning Models – Enhance decision-making with...
Nium is an advanced payments platform redefining the way consumers and businesses send, spend, and receive funds across borders. Nium’s goal is to make the movement of money seamless through being a universal plug for financial services. The company uses agile, elegant, and modular solutions for complex business problems. Be it an Individual, new-age digital bank, or a traditional industry...
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Nium's Top Stability & Growth Strengths
Strong Revenue Growth: Net revenue rose from $82M in 2022 to about $121M in 2023 and grew again in 2024. Directionally higher volumes, corridor coverage, and new use cases underpin this momentum.
Market Expansion: Payout support spans 190+ countries with 100+ real-time corridors, and local receiving expanded to 40+ countries and 15 currencies alongside 40+ regulatory licenses. New offices, licenses, and regional partnerships (e.g., MENAT, Africa, LATAM, APAC) indicate continued geographic and channel growth.
Strategic Partnerships: Integrations and alliances with Coinbase (USDC), SWIFT connectivity, Partior, Ecobank, BRI, MOIN, and Emirates NBD demonstrate strong institutional traction across fiat and stablecoin rails. Industry mappings and a J.P. Morgan profile reinforce positioning as a go‑to infrastructure partner.
The World's First Global, Carbon-Neutral, Cryptocurrency Mining Software. We innovate. We care about our planet. We do good in the world. Our mission: To provide easy access to disruptive technologies. Our vision: To create the largest global distributed platform for good. We are committed to creating ethical, collaborative and transparent cryptocurrency business ventures. Our aim is to make a big...
