Web3 And DeFi Companies in London: 90 Active Firms (2026)
Web3 and DeFi companies in London build decentralised finance, token infrastructure and blockchain applications for financial and digital markets.
Buying centres cluster around institutional operations, developer platforms and vertical finance workflows: treasury teams assessing tokenised assets, engineering groups needing ledger tooling, and digital-commerce businesses testing wallet or settlement use cases. Sales are mostly business-to-business, with institutional and mid-market buyers expecting diligence on governance, cryptography, custody controls and integration effort before budget moves. Engagements tend to look like pilots that become platform subscriptions, implementation retainers or usage-based infrastructure contracts. The common thread is a specialist technical sale into customers that need distributed-ledger capability but also want ordinary procurement, support and risk documentation.
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London has 90 active Web3 and DeFi companies in this list, a narrow specialist cohort rather than a broad software category. Reported employment totals 803 people, which points to compact technical and commercial teams rather than labour-heavy operating models. The local pattern is unsurprising: proximity to finance, legal advice, fund administration and digital-market customers makes London a natural testing ground for token infrastructure and decentralised-finance workflows. Even so, the cohort looks selective, with a limited pool of firms breaking into larger turnover bands.
Regulatory exposure is activity-dependent, not sector-wide. Token infrastructure that stays close to development tooling has a different compliance profile from services touching client money, trading, lending, custody or financial promotions. For London buyers, procurement often asks whether wallet controls, asset segregation, monitoring and audit trails can survive internal risk review, even when the supplier presents itself as a software vendor. That creates a market structure where legal design, operational controls and counterparty assurance sit alongside smart-contract engineering.
Further maturation appears more likely to come from narrower infrastructure and compliance-adjacent use cases than from consumer-facing decentralised apps. Enterprise buyers tend to reward boring reliability: clear custody arrangements, traceable transactions, audit evidence and well-scoped integration paths. Early-commercial firms may find that technical credibility is not enough when procurement, legal and finance teams all have veto rights. Scale-up scarcity could also leave room for consolidation, especially where smaller application-layer teams need distribution, licences or balance-sheet comfort from partners. London should remain useful as a customer and talent base, but the market still looks selective rather than broadly open.
What’s in the file
One row per company, 50+ columns — everything below plus each company’s verified directors, from Companies House filings.
Company data
Verified directors — included
90
Active firms
2026
6
Firms over £5M
Revenue threshold
22
Newer incorporations
Incorporated since 2022
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Key facts
About 6% of the trading cohort reports turnover above £5M (6 of 90 firms) — the rest sits below that revenue band.
24% of the cohort was incorporated since 2022 (22 firms), so a sizeable share is in its first few filing cycles.
London’s Web3 and DeFi market sits close to the city’s finance and software base, particularly around trading, payments, custody and settlement workflows.
Many products in this segment are infrastructure or workflow tools for digital-asset markets, rather than broad consumer applications.
Revenue appears concentrated among a smaller set of scaled operators, with several other firms clustered below that band.
Top London Web3 And DeFi companies
Financial sub-scores
Computed from 2 filingsDevelops financial market infrastructure for digital assets, offering tokenisation registry, digital clearing, payment, and settlement systems. Platform connects trading venues and participants to…
Serves B2B institutional participants in digital asset markets, including traditional finance firms, digital asset institutions, trading venues, liquidity providers and post-trade service providers…
Financial Health
WeakWeak · Hiring · 324% CAGR over 1y
Location
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Financial sub-scores
Computed from 5 filingsDevelops blockchain-based software for financial institutions, including systems for liquidity management, interbank and cross‑border payments, digital cash and deposit tokens, and platforms…
Serves financial institutions, including banks, central banks and treasury/transaction services teams, plus market participants involved in interbank payments, FX settlement, digital cash, collateral…
Financial Health
WeakWeak · Hiring · 5% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsProvides digital asset infrastructure software for financial institutions and fintech companies, including custody and wallet technology, treasury management, payment and settlement tools,…
Serves B2B customers in digital assets, including fintechs, crypto exchanges, trading firms, payments companies, banks, Web3 businesses and startups, from high-volume retail platforms to…
Financial Health
StrongStrong · Hiring · 19% CAGR over 2y
Location
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Financial sub-scores
Computed from 5 filingsDevelops and maintains a Layer 1 blockchain platform that enables developers and enterprises to build and deploy decentralised applications and custom blockchains, offering EVM compatibility,…
Serves developers, enterprises and institutions building Web3 applications, custom public or private blockchains, tokenisation, supply chain and private finance solutions, plus ZIL holders and…
Financial Health
StrongStrong · Growing, Hiring · 98% CAGR over 4y
Location
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Financial sub-scores
Computed from 3 filingsDevelops and maintains an open‑source decentralised finance protocol enabling non‑custodial cryptocurrency liquidity markets. Users can supply digital assets to earn interest or borrow against…
Serves retail crypto users seeking stablecoin yield and borrowing, plus DeFi developers, wallets, exchanges and fintech institutions integrating liquidity into apps for their own users.
Financial Health
WeakWeak · -92% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsProvides digital asset custody and infrastructure services for institutional investors, including secure storage of cryptoassets, staking, and connectivity to trading, borrowing and lending partners,…
Serves institutional investors, asset managers and financial institutions seeking regulated access to digital asset markets, including trading, lending, borrowing and staking workflows.
Financial Health
HealthyHealthy · Hiring · 26% CAGR over 2y
Location
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Provides an API platform that enables crypto wallets and fintech applications to issue branded debit and prepaid cards backed by stablecoins. Includes card management tools, virtual accounts, and…
Sells to B2B fintechs, crypto wallet providers and stablecoin-native payment apps seeking to offer branded debit, prepaid and payment card products to their own users. Targets both crypto-native…
Financial Health
N/AN/A
Location
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Financial sub-scores
Computed from 4 filingsDevelops technology platforms and infrastructure for financial and capital markets, including multi‑asset exchange and trading systems, post‑trade processing, and blockchain-based solutions for…
Serves financial and capital market institutions, exchanges, post-trade providers, digital asset platforms, carbon market registries and participants across traditional, digital and hybrid asset…
Financial Health
DistressedDistressed · -7% CAGR over 3y
Location
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Financial sub-scores
Computed from 3 filingsProvides enterprise blockchain infrastructure and software tools for building and operating distributed ledger networks. Offers platforms for tokenization, digital asset lifecycle management,…
Serves financial institutions, central banks, capital markets firms, asset managers, financial market infrastructures, insurers, public sector bodies and enterprise network operators adopting…
Financial Health
StrongStrong · Hiring · 20% CAGR over 2y
Location
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Provides digital asset custody and trading infrastructure for institutional clients. Uses multi‑party computation (MPC) technology to secure and manage cryptocurrency wallets, enable asset transfers,…
Serves institutional clients in digital assets, including financial institutions, crypto trading firms, funds and token issuers requiring custody and trading infrastructure.
Location
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Financial sub-scores
Computed from 3 filingsDevelops infrastructure software for financial institutions to manage digital asset and blockchain operations. Provides an orchestration platform and API that integrates traditional finance systems…
Serves regulated financial institutions and traditional finance businesses seeking to add digital asset, crypto, and blockchain-based financial activity to their operations.
Financial Health
WeakWeak · -29% CAGR over 2y
Location
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Financial sub-scores
Computed from 3 filingsDevelops blockchain infrastructure and software for financial institutions, including the Canton Network. Provides tools to tokenize assets, issue digital securities, and support clearing,…
Serves regulated financial institutions and capital markets participants, including banks, custodians, market infrastructure providers, asset managers and crypto finance firms seeking institutional…
Financial Health
StrongStrong · Growing, Hiring · 18% CAGR over 2y
Location
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Provides an API-based platform that enables banks, fintechs and trading platforms to launch and operate cryptocurrency services. Offers modules for digital asset custody, trading, fiat on/off ramps,…
Serves B2B financial services organisations—banks, neobanks, investment and trading platforms, consumer finance apps, fintechs, crypto exchanges and VASPs—seeking UK crypto market entry or continued…
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Financial sub-scores
Computed from 2 filingsDevelops software infrastructure for blockchain applications, providing zero‑knowledge-based tools for verifying on-chain data, proving computation correctness, and improving blockchain scalability…
Serves blockchain networks, Web3 protocols and developers building decentralized applications that need verifiable on-chain data, compute and scaling support.
Financial Health
StrongStrong · Growing · 0% CAGR over 1y
Location
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Develops trading and blockchain infrastructure for financial platforms, including high‑performance matching engines, liquidation frameworks and parallelised settlement systems. Also builds custom…
Serves B2B clients building digital-asset trading platforms, including crypto exchanges, DeFi/DEX projects, fintechs and financial institutions needing trading and blockchain infrastructure expertise.
Financial Health
N/AN/A
Location
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Develops blockchain-based software platforms for financial institutions, including the Corda distributed ledger. Enables tokenization of real‑world assets, digital asset issuance, and interoperable…
Serves banks, exchanges, market infrastructure providers and other regulated financial-market institutions, with engagement across central banks and regulators involved in digital-asset, tokenization…
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Financial sub-scores
Computed from 2 filingsDevelops blockchain infrastructure and software for Web3 networks. Contributes core engineering to the Polkadot blockchain and builds developer tools, smart contract technologies, and related systems…
Serves enterprises exploring long-term Web3 adoption, startups and developer teams building blockchain-based applications, and business development teams seeking real-world Polkadot use cases.
Financial Health
WeakWeak · Hiring · 350% CAGR over 1y
Location
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Computed from 2 filingsDevelops accounting and financial reporting software for digital asset activities. Platform reconciles on‑chain transactions with internal systems and supports tax reporting, internal controls, token…
Sells to enterprise finance teams and accounting firms handling digital assets, including banks, exchanges, brokers, treasury and payments companies, asset managers, stablecoin and token issuers,…
Financial Health
StableStable · Hiring · 58% CAGR over 1y
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Operates a regulated marketplace for issuing, trading and lending alternative and digital assets. Provides services for issuers and investment managers including fund structuring, tokenised…
Serves institutional investors, investment managers and securities issuers seeking regulated market access to alternative assets, digital assets and tokenised securities in institutional capital…
Financial Health
N/AN/A
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Financial sub-scores
Computed from 4 filingsProvides blockchain development platform offering APIs, RPC node access, SDKs and orchestration tools for building Web3 applications. Enables developers to interact with over 100 blockchain networks,…
Serves developers and product teams at businesses building Web3 applications, including financial services, crypto wallets, gaming, compliance, NFT and digital asset platforms.
Financial Health
DistressedDistressed · -13% CAGR over 3y
Location
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Develops software and infrastructure for the Rootstock blockchain ecosystem, a Bitcoin sidechain enabling smart contracts and decentralised finance. Provides developer tools, protocols and token…
Serves blockchain developers, DeFi projects and institutions participating in the Bitcoin and Rootstock ecosystem, especially teams creating decentralized financial apps and services.
Financial Health
N/AN/A
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Financial sub-scores
Computed from 5 filingsProvides non-custodial Ethereum staking services, operating validator infrastructure that allows clients to stake ether while retaining control of their assets. Also offers staking infrastructure and…
Serves institutional holders of ether, plus crypto custodians and exchanges seeking Ethereum staking capabilities for their own customers.
Financial Health
StrongStrong · Growing, Hiring · 31% CAGR over 4y
Location
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Computed from 4 filingsProvides data, analytics, and quantitative research on cryptocurrency derivatives. Offers volatility surfaces, options and futures analytics, market data APIs, and pricing models used by financial…
Sells to professional market participants in crypto markets, including asset managers, hedge funds, banks, DeFi protocols, and institutional investors needing crypto derivatives data, research, and…
Financial Health
StrongStrong · 91% CAGR over 2y
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Develops a fiat‑backed stablecoin protocol issuing paraUSD, a USD‑pegged digital token backed by U.S. Treasury bills and repo reserves. Provides APIs and SDKs for businesses and developers to…
Serves B2B customers including developers, fintech platforms, businesses and corporate treasury teams seeking USD-backed stablecoin yield capabilities for their users or internal treasury management.
Financial Health
N/AN/A
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Computed from 5 filingsProvides payment services through the Orbital platform, including pay-ins, payouts, virtual IBAN accounts, stablecoin wallets, and currency exchange. Serves businesses handling both traditional fiat…
Serves B2B and B2C companies needing fiat and digital-asset payment infrastructure, including eligible corporate clients outside the UK and high-net-worth companies for crypto-asset services.
Financial Health
StableStable · -49% CAGR over 4y
Location
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Computed from 3 filingsDevelops blockchain analytics software and data services used to trace cryptocurrency transactions, assess wallet and exchange risk, monitor transactions for compliance, and support investigations by…
Serves government agencies, law enforcement, regulators, tax authorities, crypto exchanges, financial institutions, insurance firms, cybersecurity companies and web3 businesses operating in digital…
Financial Health
WeakWeak · -10% CAGR over 2y
Location
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Computed from 5 filingsProvides digital asset and DeFi asset management services, including curated on-chain vault investment strategies, yield strategies for crypto assets and tokens, protocol curation, and separately…
Serves crypto-native organisations, blockchain protocols, DAOs, digital asset funds and next-generation investors seeking institutional DeFi and on-chain capital management exposure.
Financial Health
WeakWeak · 0% CAGR over 4y
Location
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Computed from 3 filingsProvides digital asset custody and wallet infrastructure for stablecoins and blockchain payments. Offers APIs and tools for creating and managing wallets, integrating blockchain transactions, and…
Serves B2B web3 startups and enterprises building stablecoin and payments products, targeting product, security, finance/operations and engineering teams.
Financial Health
StableStable · Hiring · 59% CAGR over 2y
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Financial sub-scores
Computed from 4 filingsProvides blockchain validator infrastructure and cryptocurrency staking services across multiple networks. Offers staking APIs, RPC nodes, Web3 load balancing, token faucets, and white‑label…
Serves individual crypto holders, institutional digital-asset teams, Web3 developers, dApp operators and blockchain protocols seeking staking, validator and node infrastructure across multiple…
Financial Health
StableStable · -36% CAGR over 2y
Location
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Computed from 3 filingsOperates a proprietary DeFi trading desk providing liquidity and market infrastructure on decentralized exchanges, and runs a venture builder that invests in and helps launch blockchain startups with…
Serves early-stage blockchain founders and DeFi projects, especially teams launching tokens or decentralized trading infrastructure, plus institutional crypto ventures within its portfolio ecosystem.
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 2 filingsProvides a digital finance platform offering cryptocurrency wallets, exchange services, and payment cards. Enables users and businesses to buy, hold, transfer, and spend cryptocurrencies and fiat,…
Serves retail crypto users, high-net-worth individuals, businesses needing stablecoin banking and corporate cards, and developers building stablecoin payment/card products. Targets a mix of B2C, B2B…
Financial Health
StrongStrong · Hiring · 66% CAGR over 1y
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Computed from 5 filingsDevelops open‑source software and conducts research focused on Bitcoin and blockchain infrastructure. Works on interoperability, security, layer‑2 systems and cross‑chain communication, contributing…
Serves the Bitcoin and blockchain ecosystem, including developers, builders, researchers and users focused on Layer 2 networks, interoperability and decentralized finance.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
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Computed from 5 filingsProvides fiat-to-cryptocurrency and cryptocurrency-to-fiat payment infrastructure for web3 applications. Offers APIs, SDKs, and widgets enabling apps, wallets, and exchanges to let users buy or sell…
Serves Web3 businesses, including crypto wallets, exchanges, DeFi platforms, gaming and NFT apps, plus individual crypto users. Targets developers and product teams needing fiat-to-crypto user access…
Financial Health
StableStable · Hiring · 38% CAGR over 4y
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Provides advisory and strategic consulting on digital currencies, stablecoins and financial infrastructure. Develops solutions and platforms for banks and financial institutions, and partners with…
Targets banks, fintechs, financial service providers, stablecoin issuers, settlement banks and central banks involved in regulated digital currency, stablecoin and CBDC initiatives.
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Financial sub-scores
Computed from 2 filingsOperates an algorithmic trading firm in digital asset markets, providing OTC trading, spot and derivatives execution, and liquidity provision for cryptocurrencies and tokens. Offers API access, DeFi…
Serves institutional digital asset traders and counterparties, token issuers and protocols, DeFi projects and DAOs, and early-stage DeFi founders seeking venture backing.
Financial Health
StableStable · 0% CAGR over 1y
Location
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Computed from 3 filingsProvides risk management software and data for digital asset markets, including credit ratings, default probability models, and monitoring tools for exchanges, custodians and counterparties, with…
Serves B2B institutional risk teams in digital assets, including crypto trading firms, insurers, banks and other financial firms assessing exposure to exchanges, custodians and counterparties.
Financial Health
StableStable · Hiring · 29% CAGR over 2y
Location
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Computed from 4 filingsDevelops open‑source cryptography software and protocols using fully homomorphic encryption (FHE) to enable confidential smart contracts on blockchain networks. Provides developer tools,…
Serves blockchain developers, Web3 startups and enterprises building on L1/L2 networks, especially teams in DeFi, payments, banking, tokenization, governance and digital assets.
Financial Health
StableStable · Hiring · 8% CAGR over 3y
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Develops cryptographic software infrastructure that converts data from websites, emails and blockchains into verifiable proofs using zero‑knowledge techniques, enabling developers to integrate…
Sells to Web3 developers, blockchain startups, and enterprises building privacy-preserving applications, including businesses needing user data verification, identity, finance, compliance, loyalty,…
Financial Health
N/AN/A
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Operates a cryptocurrency exchange and digital asset platform enabling users to buy, sell and trade cryptocurrencies, access derivatives such as perpetual contracts, stake assets, store funds in a…
Serves retail crypto investors and active traders in Europe, plus small and large institutions whose business requires cryptocurrency trading, staking, custody, and on-chain asset access.
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Financial sub-scores
Computed from 3 filingsProvides data infrastructure and analytics for proof‑of‑stake blockchain networks, offering APIs and tools that track validator and node operator performance, rewards, and metadata, and a network…
Serves Web3 infrastructure teams, staking pools, node operators, developers and applications working with proof-of-stake networks such as Ethereum, Solana, Avalanche, Cosmos and Polygon.
Financial Health
StrongStrong · Growing, Hiring · 87% CAGR over 2y
Location
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Computed from 5 filingsDevelops an on‑chain reinsurance platform that connects digital asset capital with insurance risk. Issues a tokenised yield‑bearing asset backed by reinsurance premiums and collateral returns, and…
Targets institutional digital asset allocators, DeFi protocols and crypto-native investors, as well as insurers and reinsurance brokers in property catastrophe, D&O, cyber and tech E&O markets.
Financial Health
StableStable · Hiring · 41% CAGR over 4y
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Computed from 5 filingsDevelops open-source infrastructure for passwordless authentication and private key management for Web3 applications. Provides SDKs and services that split and manage cryptographic keys across…
Targets developers and product teams at Web3 applications and crypto wallet providers, plus ecosystem partners integrating wallet onboarding for consumer crypto users.
Financial Health
DistressedDistressed
Location
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Computed from 3 filingsDevelops a blockchain-based payment streaming protocol that enables continuous, real-time transfers of cryptocurrency tokens. Provides infrastructure and tools for applications to distribute…
Serves crypto-native organisations, blockchain app developers in DeFi, SocialFi and gaming, and onchain consumers using apps for earning, investing, trading and subscriptions.
Financial Health
StableStable · -13% CAGR over 2y
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Provides a cryptocurrency payment processing platform enabling businesses to accept and manage crypto payments. Offers billing, invoicing, checkout pages, payment links, subscription management, mass…
Serves businesses that need crypto payment capabilities, including e-commerce retailers, SaaS providers, affiliate networks, iGaming operators, developers, and organisations running subscriptions,…
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Computed from 2 filingsProvides cryptocurrency payment processing for businesses, including a payment gateway, checkout tools and APIs to accept Bitcoin and other cryptocurrencies. Offers mass crypto payouts, transaction…
Serves merchants and businesses from startups to enterprises that want to accept or send crypto payments, including e-commerce, SaaS, iGaming, Web3, consulting, tourism, gaming and real estate…
Financial Health
WeakWeak · -30% CAGR over 1y
Location
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Provides institutional cryptocurrency trading services, including digital asset brokerage and over-the-counter trading with voice and electronic settlement. Operates an exchange platform and…
Serves institutional financial clients and businesses seeking access to digital asset markets, including firms needing OTC trading, exchange access, custody-adjacent settlement support, and global…
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Computed from 3 filingsOperates a digital assets platform offering DeFi-style banking services, including account access, asset conversion and tokenisation of physical resources and alternative assets using blockchain…
Serves a mix of consumers and businesses, restricted to UK, EU and UAE residents, with emphasis on family offices, digital-asset investors and organisations involved in resource-based economies and…
Financial Health
WeakWeak · 0% CAGR over 2y
Location
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Computed from 5 filingsDevelops and operates a decentralised finance protocol that allows users to deposit liquid crypto assets as collateral to mint a synthetic dollar (USDf) and stake it to generate yield through…
Targets a mix of B2C and B2B crypto-market participants: individual traders and investors, digital asset project teams and founders, and exchanges or retail crypto platforms.
Financial Health
HealthyHealthy
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Computed from 5 filingsDevelops cryptographic infrastructure for blockchain applications using fully homomorphic encryption (FHE), enabling confidential smart contracts and private computation for decentralized finance,…
Targets Web3 developers, DeFi protocols, blockchain infrastructure teams, and institutions building or adopting confidential on-chain applications, including private lending, shielded stablecoins,…
Financial Health
HealthyHealthy · Hiring · 34% CAGR over 4y
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Computed from 4 filingsDevelops and operates a blockchain-based platform for tokenising real estate assets and enabling fractional ownership. Provides tools to create, manage and trade property-backed digital securities,…
Serves global real estate investors, property asset owners, and buyers and sellers seeking fractional ownership, alternative investments, and blockchain-based asset exchange, including…
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HealthyHealthy
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How London Web3 And DeFi companies work and how to sell to them
What they do
Revenue usually comes from software access, infrastructure usage and specialist implementation work rather than one-off licences. Many firms package ledger, wallet, smart-contract or tokenisation capability as a platform subscription, then add paid integration, governance design and support around production use. Where the service sits close to settlement, trading or treasury workflows, pricing may also follow transaction volume, wallet activity or API consumption. Engagements often start as technical pilots because buyers need to test controls, latency, auditability and internal sign-off before committing to a wider deployment.
Who they sell to
Customers are typically institutional, financial, developer-led or digital-commerce organisations rather than broad consumer audiences. The first conversation may sit with a CTO, VP Engineering, Head of Product or treasury lead, but legal, risk, finance and procurement often shape the final decision. Smaller customers may buy direct after a technical evaluation, while regulated-market and enterprise accounts tend to use security questionnaires, vendor onboarding and sometimes RFP-style processes. Initial contracts are usually bounded pilots, implementation projects or limited platform subscriptions, with sales cycles measured in weeks or months rather than a self-serve checkout motion.
What they buy
Most Web3 and DeFi firms tend to spend on the operating layer around the technical product: cloud infrastructure, developer tooling, security testing, key management, monitoring, analytics, support systems and incident response. Firms selling into finance or digital-asset workflows also buy legal advice, accounting support, compliance tooling, audit preparation and governance documentation. Commercial teams often need CRM, customer success tooling, usage-based billing, partner management and content support once pilots become repeatable sales motions. Hiring needs usually cluster around engineering, security, product, compliance and enterprise sales, with contractors used where cryptography or smart-contract review is scarce.
Why and how to sell to them
Buying intent tends to appear when a proof of concept moves towards production, an institutional customer asks for evidence, or a service starts touching custody, settlement, lending or financial-promotion risk. New funding, senior commercial hires, a revenue step-up or expansion into a more regulated workflow can also force process upgrades. Useful outbound angles are concrete: reduce time spent on diligence, improve audit trails, make integrations easier to evidence, or give lean teams repeatable controls without adding headcount. Generic claims about Web3 growth are less persuasive than showing how the offer helps risk, engineering and commercial teams pass the same internal review.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Also in London
Related directories
Frequently asked questions
How many Web3 and DeFi companies are there in London?
What counts as a Web3 and DeFi company in this list?
Which are the largest Web3 and DeFi companies in London?
What do Web3 and DeFi companies in London actually do?
How does London Web3 and DeFi compare internationally?
How is this list built and how fresh is the data?
How big are the typical Web3 and DeFi companies in London?
Are these mostly new or established Web3 and DeFi companies?
What SIC codes does this use?
What buying signals should I look for?
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