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Top Cryptocurrency Companies in London (108)

Mastercard
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
We are a global technology company in the payments industry.

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

Mastercard's Top Stability & Growth Strengths

Strong Revenue Growth: Net revenue rose 14% year over year in Q2 2026 (12% currency‑neutral) to $9.3B, with first‑half 2026 up 15% and full‑year 2025 up 16% (15% currency‑neutral). These results indicate sustained top‑line momentum across recent periods.

Diversified Revenue Streams: Value‑Added Services & Solutions grew 20% in Q2 2026 (18% currency‑neutral) and 23% in 2025, outpacing Payment Network growth. This mix shift adds a faster‑growing second engine alongside the core network.

Resilient & Sustainable Growth: Transaction fundamentals remained healthy in Q2 2026—gross dollar volume +8% to $2.9T, cross‑border +12%, and switched transactions +9% (local‑currency). Multi‑year growth from 2025 into the first half of 2026 underscores durable momentum.

Block
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Block builds technology for economic empowerment.

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

Block's Top Stability & Growth Strengths

Profitability: Record adjusted operating income and margin accompanied the growth, with management lifting 2026 adjusted operating income guidance to a higher margin level. Operating leverage was emphasized alongside strong second‑quarter results.

Resilient & Sustainable Growth: Gross profit accelerated year over year into Q2 2026 (after an even stronger Q1), and full‑year 2026 gross profit guidance was raised meaningfully. Leadership framed gross profit as the clearer indicator of underlying momentum given revenue mix effects.

Cost & Operational Efficiency: Efficiency measures, including running a leaner organization, boosted margins and contributed to record profitability. Leaders also pointed to continued strength into the second half with healthy monetization and risk metrics, indicating efficient scaling.

Wintermute
Fintech • Financial Services • Cryptocurrency
London
93 Employees
Hiring Now

Wintermute is one of the largest crypto-native algorithmic trading companies in digital assets. We provide liquidity algorithmically across most cryptocurrency exchanges and trading platforms, offer a broad range of OTC trading products, and support high-profile Web3 projects and traditional financial institutions moving into crypto. We actively participate in the development of the cryptocurrency ecosystem through investments, partnerships, and incubation of...

Wintermute
Bitwise Asset Management
Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
3 Offices
150 Employees
1 Benefits
Crypto Funds Backed by Crypto Specialists

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...

Bitwise Asset Management
Elliptic
Blockchain • Financial Services • Cryptocurrency
2 Offices
181 Employees
Hiring Now

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.

Elliptic
Revix
Fintech • Cryptocurrency
London
17 Employees

Revix is an intelligent investment management platform which allows anyone, anywhere to create a diversified portfolio or "Bundle"​ of the world's top cryptocurrencies. Our Bundle Technology means that investors'​ Bundles are automatically rebalanced every month to ensure that they remain up to date with the fast-changing market. Investors'​ assets are stored offline with our bank-grade security processes, while air-gapped multi-signature...

Revix
Verse
Cryptocurrency • NFT
London
18 Employees

Verse is an exhibition space for digital artworks, presented by gallerists and curators. The provenance of all works sold on Verse are recorded on the Ethereum blockchain.

Verse
CoinJar
Fintech • Software • Financial Services • Cryptocurrency
3 Offices
44 Employees
6 Benefits

Since 2013, we’ve helped more than 600,000 people in Australia and the UK to buy, sell and spend billions of dollars in Bitcoin, Ethereum and more than 60 other cryptocurrencies. We make cryptocurrency accessible to everyone. Cryptocurrency is here to stay. We’re giving people the tools they need to be part of the revolution. ​​CoinJar’s digital currency exchange services are...

CoinJar
Paxos
Blockchain • Fintech • Internet of Things • Cryptocurrency • Web3
3 Offices
350 Employees
31 Benefits
Paxos is building the open financial system.

Today’s financial infrastructure is archaic, expensive, inefficient and risky - supporting a system that leaves out more people than it lets in. So we’re rebuilding it.

Paxos
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Block Dojo
Blockchain • Cryptocurrency
London
63 Employees

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...

Block Dojo
KwikTrust
Blockchain • Fintech • Legal Tech • Cryptocurrency
London
9 Employees

A new way to sign, send and store your documents. For FREE. Cheaper, easier and more efficient. Do more for less with KwikTrust. From contracts to due diligence, intellectual property to creative content, we’ve got you covered.

KwikTrust
Rvvup
Blockchain • eCommerce • Fintech • Payments • Financial Services • Cryptocurrency
London
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.

Rvvup
Blockchain.com
Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
11 Offices
911 Employees
24 Benefits Hiring Now

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...

Blockchain.com
clearmatics
Blockchain • Information Technology • Software • Cryptocurrency
London
24 Employees

Our mission is to build peer-to-peer infrastructure for a machine-driven future. Founded in 2015, Clearmatics is a remote-first blockchain company with a London base. We build member-owned and governed decentralised network platforms for the p2p exchange of tokenized value between network members. Our ethos and architecture is grounded in protocol, p2p architecture, removing friction and market inefficiencies, strong security guarantees...

clearmatics
Circularr
Blockchain • Software • Cryptocurrency
London
8 Employees

Circularr is a sustainable blockchain ecosystem. Focused on the incubation and development of sustainable crypto-assets backed by sustainable commodities. The first asset will be backed by plastic recycling and the value of rPET plastic. Circularr was born out of a need to provide transparency and traceability to legitimise sustainability claims and eliminate green washing by individuals and organisations. Our first...

Circularr
Kiln
Blockchain • Software • Cryptocurrency
London
115 Employees
1 Benefits

Kiln is the leading digital asset rewards management platform, enabling institutional customers to earn rewards on their digital assets, or to whitelabel earning functionality into their products. Our platform is API-first and enables fully automated validators, rewards, and data and commission management. With over $10 billion crypto assets being programmatically staked, Kiln has a particularly strong track record on Ethereum...

Kiln
Cheqd
Blockchain • Fintech • Software • Financial Services • Cryptocurrency • Web3
London
14 Employees

Building infrastructure for Trusted Data Markets on Cosmos. Your Data Verified Portable Private

Cheqd
Coinfirm
Payments • Cryptocurrency
London
69 Employees

Coinfirm is the industry leader in blockchain analytics and investigations. Coinfirm creates a safer blockchain economy by being at the innovative forefront of crypto AML compliance, analytics and illicit asset tracing. Our industry-leading risk management helps 1.3M+ blockchain protocols scale sustainably. Founded in 2016 by experienced compliance, technology and finance professionals, we have become a globally-recognised RegTech firm. Our offices...

Coinfirm
DFX Finance
Blockchain • Fintech • Software • Financial Services • Cryptocurrency
London
7 Employees

DFX Finance is a decentralized foreign exchange (FX) protocol optimized for trading fiat-backed foreign stablecoins, (CADC, EURS, XSGD, etc.). You can safely earn yield or use the DFX platform and its contracts to provide true financial localization for the customers of your global business. The next generation of global finance cannot rely solely on USD-pegged stablecoins. A decentralized protocol where...

DFX Finance
APEXE3
Big Data • Cloud • Machine Learning • Analytics • Cryptocurrency
London
33 Employees

Institutional Grade Multi Asset, Data, Analytics Platform for Portfolio Managers, Traders and Quants --- Website: https://www.apexe3.com

APEXE3

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