City & Bank is home to 85 of London's best tech companies, led by Fintech (31).

Lending platform that gives small businesses fast loans, funded by institutional investors.

Sells Alfa Systems, software that lenders use to run asset finance and leasing businesses.

Online trading platform offering spread betting, CFDs, share dealing, options and crypto trading to retail and professional clients.

IntegraFin runs Transact, an investment platform for UK financial advisers and their clients, and sells software to advice firms including the Curo CRM.

LSEG provides financial market data and analytics, indices, risk intelligence and market infrastructure including exchanges and clearing.

Payments group offering merchant payment processing, digital wallets such as Skrill and Neteller, and online cash solutions such as paysafecard.

Card payments, business accounts and funding for small local businesses across Europe, formerly SaltPay.

Commission-free app for trading and investing in stocks, ETFs and ISAs.

Tech-led motor insurer for gig workers, fleets and everyday drivers, using telematics to price policies.

Wholesale bank offering accounts, payments, clearing and agency banking to banks and fintechs.

No-code platform that lets insurers and MGAs build, configure and distribute insurance products.

Cloud-native transfer agency and investor servicing software for global asset and wealth managers.

Planning software, model portfolios and investment platform for UK financial advisers.

BMLL provides historical order book data and analytics for equities, ETFs, futures and options from 100+ trading venues.

Platform that automates FX hedging and cash management for fund managers and corporates.

Cloud-based card issuer-processor that lets banks and fintechs launch physical and virtual cards.

Lloyd's first fully digital, algorithm driven syndicate that lets brokers get instant specialty insurance quotes.

Licensed UK digital bank paying interest on current accounts, with savings, ISAs and loans.

Sharegain provides securities lending as a service so brokers, private banks and custodians can lend out clients' stocks, bonds and ETFs for income.

APEXX runs a payment orchestration platform that lets enterprise merchants route payments across providers through a single API.

Regulatory reporting software and consulting that helps banks and asset managers check, fix and manage transaction reporting.

Sprive is an app that helps homeowners pay off their mortgage faster through automatic overpayments, partly funded by cashback from everyday shopping.

Business accounts, cards, cashflow and treasury tools for fast-growing digital companies.

Specialty insurance platform for brokers and underwriters, covering algorithmic underwriting and delegated authority.

Cloud data management platform that gives asset managers and banks a consolidated view of their investment data.

Genesis Global provides a low-code application development platform for financial institutions.

A marketplace and research service that helps investment firms find, evaluate and price alternative and market datasets.

A white-label platform banks use to onboard and serve small business merchant services customers.

Digital insurance broker selling business insurance to small firms and high-growth tech companies.

Treasury and payments platform for insurers that manages claim funds and pays claimants, vendors and reinsurers across the insurance value chain.

Platform that lets car makers launch and run their own branded motor insurance products.

Online food and grocery delivery marketplace connecting restaurants, shops and riders, now part of DoorDash.

NYSE-listed software engineering and IT services firm building digital products and platforms for enterprise clients.

GlobalData sells subscription data, analytics and AI tools that give companies intelligence on their industries and markets.

Team Internet runs domain name management, online product comparison and search advertising services for brands, publishers and consumers.

Rail and coach ticketing app and website selling tickets across the UK and Europe.

Trustpilot runs an online platform where consumers publish reviews of businesses and businesses manage and display them.

Property operations software for landlords and housing providers to manage repairs, contractors and compliance.

Duel is a software platform that lets consumer brands build, manage and pay communities of creators, ambassadors and customer advocates.

Zero Gravity is an online platform that gives students from low-opportunity backgrounds mentoring and AI tutoring to help them reach top universities and careers.

Expert network platform that connects investors and consultants with industry experts through calls, video Q&A and searchable AI transcripts.

AI-native platform for companies to design, manage and scale employee benefits globally.

Digital identity and age verification provider, known for its ID wallet and AI age estimation.

B2B wholesale marketplace for branded health and beauty products across Europe.

Platform where employees spend company learning budgets on courses and coaching from 100+ providers, with retraining-based outplacement for departing staff.

Element makes secure, self-hostable chat and collaboration apps built on the open Matrix protocol.

Global fashion shopping platform that lets shoppers search and buy products from thousands of brands and retailers in one place.

Institutional crypto liquidity provider and OTC market maker, majority-owned by Japan's SBI Holdings.

FCA-regulated crypto index provider whose bitcoin reference rate prices major US spot bitcoin ETFs.

Algorithmic trading firm that provides liquidity across crypto markets and is expanding into traditional markets.

Regulated digital asset custodian offering custody, staking, tokenisation and collateral services to institutions.

Blockchain analytics used by exchanges, banks and governments for crypto compliance and risk screening.

Privacy-first Ethereum layer 2 using zero-knowledge proofs, plus the Noir language for private smart contracts.

FCA-regulated UK trading venue for centrally cleared digital asset futures and options for institutional investors.

Builds clearing, payment and settlement infrastructure for institutional digital asset markets, regulated in the UK.

Researches and builds blockchain protocols and peer-to-peer platforms for decentralised financial markets.

Banking and payments API that gives crypto platforms regulated fiat accounts, virtual IBANs and payment rails.

Portfolio and risk management software for institutional crypto funds and trading firms.

Builds FinP2P, an interoperability network letting banks trade and settle tokenised assets across blockchains and ledgers.

Bank-backed crypto custodian offering custody, staking, trading and settlement services to institutions.

Institutional digital asset brokerage for cross-border crypto and stablecoin trading with same-day settlement.

Task mining platform that records how enterprise staff work and maps processes for AI agents and automation.

Inference platform that lets enterprises run open-source AI models on their own infrastructure, cheaply.

General Reasoning is an AI research company training models for long-horizon reasoning and releasing tools such as OpenReward for agent training environments.

AI platform that helps pharma teams make commercial, portfolio and competitive intelligence decisions faster.

AI platform for scheduling, risk and project controls on large construction and infrastructure projects.

Data platform that ingests real-time engineering and test data for hardware teams, with AI agents that automate analysis, dashboards and workflows.

AI reinsurance intelligence platform helping brokers and cedents run client work and programme placement.

AI that detects health signals like fatigue, stress and depression from short voice samples.

Captures, archives and analyses financial firms' communications across mobile, chat, email, voice and video, using AI to flag misconduct.

Uses AI, wireless sensors and data to optimise concrete mixes and cut cement emissions in construction.

Arenko's Nimbus software controls and trades grid-scale battery storage assets in energy markets.

Makes cultivated chicken for pet food from cells, the first company to sell cultivated meat for pets.

Climate data platform for food and beverage firms, covering corporate and product carbon footprints and supplier decarbonisation.

Installs and runs on-street EV chargers for residents without driveways across UK councils.

Emissions and sustainability data for cloud and AI infrastructure, helping IT teams cut carbon and cost.

Kita is a Lloyd's coverholder that sells insurance against delivery, failure and political risk for carbon and natural capital projects.

Osprey builds and runs a UK network of public rapid and ultra-rapid EV charging hubs.

Practice management and electronic health record platform for private outpatient healthcare providers.

Builds Juno, an AI agent that takes on admin work in NHS hospitals to cut delays in patient care.

Entia makes Liberty, a home finger-prick blood analyser that returns results in minutes and shares them with the patient's healthcare professional.

Builds low-cost autonomous defence systems including targeting systems, surveillance towers, drones and software.

AI software that helps defence and security teams analyse large volumes of information and make faster decisions.

Designs reversible-computing chips that recover and recycle most of the energy used in computation to cut power use for AI workloads.

Reelables makes printable, battery-powered smart labels that track the location of shipments, cargo and inventory.