| # | Company | Employees |
|---|---|---|
| 1 |
Revolutrevolut.com
A fintech company on a mission to provide customers with more visibility, control, and freedom over their money through innovative products |
18,462 |
| 2 |
Post Office Ltdpostoffice.co.uk
operates largest UK retail network with 11,500 branches and a major digital presence, focusing on customer service and innovation |
17,058 |
| 3 | 11,769 | |
| 4 |
Apex Group Ltd (UK & Ireland)apexgroup.com
A global financial services provider with offices in over 50 countries, offering a wide range of services to asset managers, capital markets, and family offices |
9,281 |
| 5 | 6,270 | |
| 6 |
SS&C GlobeOpssctech.com
Global provider of cloud-based fund services and technology for hedge funds, private equity, and asset managers, offering outsourcing support for operational efficiency and risk reduction |
5,416 |
| 7 |
Moniepoint Groupmoniepoint.com
A leading fintech company offering digital payment solutions, credit access, and business management tools to help businesses worldwide grow and succeed |
5,413 |
| 8 | 5,267 | |
| 9 |
LSEG Data & Analyticslseg.com
A global provider of financial markets data and infrastructure, enabling customers to gain insights through data, feeds, analytics, and workflow solutions |
5,147 |
| 10 |
Apex Group Ltd (UK Branch)apexgroup.com
Global financial services provider offering fund services, digital onboarding, custody, depositary, business services, and ESG advisory for asset managers and private clients. |
4,990 |
| 11 |
SumUpsumup.co.uk
A global financial technology company supporting over 4 million small merchants in 36 markets, committed to environmental and social causes |
4,186 |
| 12 |
Playtechplaytech.com
Leading software and services supplier for the gambling industry, offering omni-channel solutions for online, mobile, and retail operations, including financial trading. |
3,735 |
| 13 |
Paysafepaysafe.com
Specialised payments platform enabling businesses and consumers to connect and transact through payment processing, digital wallets, and online cash solutions. |
3,539 |
| 14 | 3,323 | |
| 15 |
Starlingstarlingbank.com
This company is a digital bank offering fast technology, fair service, and honest values, focused on solving customer problems and building sustainable solutions |
3,231 |
| 16 |
IG Groupiggroup.com
An innovative global fintech company empowering clients to pursue financial freedom through award-winning products and platforms across 19,000 financial markets |
2,734 |
| 17 | 2,719 | |
| 18 |
Checkout.comcheckout.com
A financial technology company providing a high-performance payments platform for enterprise and scaling businesses worldwide, processing payments, payouts, and managing card programs |
2,343 |
| 19 | 2,025 | |
| 20 | 1,896 | |
| 21 |
Dojodojo.careers
A scaling fintech company empowering businesses and diners with fast funding, payments, smart integrations, virtual queues, and restaurant bookings through innovative technology |
1,841 |
| 22 |
CMC Marketscmcmarkets.com
Provides online trading and investing platforms with broad financial services, partnering with major organizations and innovating in fintech. |
1,517 |
| 23 |
Trading 212trading212.com
A company focused on democratizing financial markets through innovative products, with a mission to enable everyone to build wealth Regulatory compliance ensures investor protection |
1,502 |
| 24 |
OSTTRAosttra.com
A company specializing in post-trade solutions, fostering collaboration, innovation, and efficient processes for global financial markets across all asset classes |
1,360 |
| 25 |
Octopusoctopusgroup.com
It is an entrepreneurial investment group focused on building businesses that address societal challenges, emphasizing stakeholder interests and sustainability. |
1,234 |
| 26 | 1,227 | |
| 27 |
FE fundinfofefundinfo.com
By providing accurate data, technology solutions, research, and expert insights, we connect the fund management industry to inform better investment decisions |
1,216 |
| 28 | 1,140 | |
| 29 |
Smartstreamsmart.stream
Provides financial institutions with accurate, timely data insights to streamline operations, reduce costs, and ensure regulatory compliance confidently. |
1,114 |
| 30 |
Capital on Tapcapitalontap.com
Provides small business credit cards with spend management tools, quick funding access, employee expense control, and cashback rewards. |
1,055 |
| 31 | 1,048 | |
| 32 | 1,012 | |
| 33 |
VeriParkveripark.com
This global solutions provider enables financial institutions to enhance customer experiences, drive engagement, and increase revenue through intelligent customer experience solutions |
980 |
| 34 | 925 | |
| 35 |
Allica Bankallica.bank
A leading UK fintech company dedicated to supporting small and medium businesses with modern technology, local relationships, and personalized banking services |
910 |
| 36 |
Vocalink, a Mastercard companyvocalink.com
Designs and operates real-time bank account-based payment systems powering UK payments, settlements, direct debits, and ATM networks. |
884 |
| 37 |
GoCardlessgocardless.com
Facilitating seamless and efficient payment collections directly from customers' bank accounts, eliminating late payments, chasing customers, and expensive fees for businesses worldwide |
856 |
| 38 |
Exinityexinity.com
A global company empowering ambitious individuals to achieve financial independence through innovative trading and investing products and risk management tools |
827 |
| 39 | 809 | |
| 40 |
TerraPayterrapay.com
This company headquartered in the UK specializes in simplifying cross-border payments worldwide, providing access to even the most inaccessible markets |
743 |
| 41 |
Plus500β’plus500.com
A global fintech group offering trading services on CFDs, shares, Futures, and Options through tech-based platforms, with a strong focus on responsible trading practices |
741 |
| 42 |
ClearBankclear.bank
Provides fully regulated banking infrastructure and real-time clearing access via API to fintechs, crypto platforms, banks, and credit unions. |
735 |
| 43 |
Cleoweb.meetcleo.com
AI-powered platform providing personalized financial insights and tools through a chat assistant to improve users' money management and saving habits. |
686 |
| 44 |
OakNorthoaknorth.co.uk
digital bank offering bespoke credit and banking services to UK and US businesses with Β£1m-Β£100m turnover, supporting growth |
680 |
| 45 |
Redpinredpincompany.com
Global payments company connecting buyers, sellers, and property market ecosystem through a world-class network, innovative software, and human-centric customer service |
675 |
| 46 |
Marshmallowmarshmallow.com
A purpose-driven company using technology to provide fairer insurance prices for marginalized customers, addressing unique problems others overlook |
650 |
| 47 |
Options Technologyoptions-it.com
Provides global financial technology solutions specializing in banking and trading infrastructure, integrating high-performance networking, cloud, security, and AI technologies. |
641 |
| 48 |
Unlimitunlimit.com
A global fintech company providing borderless payment solutions, enabling businesses to enter new markets and drive unlimited growth opportunities |
589 |
| 49 |
DOCOMO Digitalbango.com
Support and grow customer businesses by integrating payments technology with digital marketing, offering unique resale and purchase behavior solutions. |
565 |
| 50 |
YouLendyoulend.com
Global embedded financing platform enabling e-commerce and payments platforms to offer flexible financing products to merchants with AI-driven credit risk assessment solutions |
548 |
| 51 |
Titan Wealthtitanwh.com
A discretionary fund management and wealth/asset management business offering execution, custody, clearing, and investment solutions to various clients through trusted intermediaries |
537 |
| 52 | 533 | |
| 53 |
Thought Machinethoughtmachine.net
Development of a cloud-native, microservices-based core banking platform designed to replace legacy systems and modernize banking infrastructure. |
526 |
| 54 |
Fidessaiongroup.com
Global leader providing trading, investment, and information solutions for financial institutions Offering market data, analysis, and decision-making technology to drive success |
524 |
| 55 | 520 | |
| 56 |
Tickmilltickmill.group
A multi-regulated broker specializing in forex, CFDs, futures, options, and AI-powered trading tools while offering great conditions and service |
514 |
| 57 | 509 | |
| 58 |
Modulrmodulrfinance.com
Provides an API-driven platform enabling businesses to make, collect, and disburse payments instantly across multiple methods and currencies. |
509 |
| 59 |
Zempler Bankzemplerbank.com
providing smart banking technology and human service tailored to sole traders, startups, and small businesses across the UK |
500 |
| 60 |
Moneyboxmoneyboxapp.com
Empowering individuals to achieve financial goals through a user-friendly app, offering saving, investing, home-buying, and retirement services in one place |
490 |
| 61 |
ComplyAdvantagecomplyadvantage.com
Empowers businesses to eliminate financial crime using AI, a unified platform, and risk intelligence for KYC, AML, and sanctions reviews. |
485 |
| 62 |
ClearScoreclearscore.com
Helps users improve financial well-being, access credit, insurance, and financial products with transparency, fairness, and control through a leading credit score and report app. |
483 |
| 63 |
Finovafinova.tech
The company provides cloud-based mortgage and savings software to support lenders, brokers, and financial institutions with fast implementation and open architecture |
468 |
| 64 |
Payhawkpayhawk.com
AI-native spend management platform. Orchestrates global money across bills, cards, expenses, travel, procurement for control, automation, savings. Provides global money account. |
465 |
| 65 |
Barclaycard Paymentsbarclaycard.co.uk
Providing innovative payment solutions and partnerships to help businesses of all sizes grow through seamless, secure transaction processing. |
451 |
| 66 |
Trust Paymentstrustpayments.com
We help businesses optimize sales and customer experience through seamless payments, loyalty, and data management with a global, flexible payment platform |
419 |
| 67 |
Paymentologypaymentology.com
Enables fintechs, digital banks, and retail banks to launch, manage, and scale card programs globally, processing billions of transactions across many countries. |
417 |
| 68 |
Maven Securitiesmavensecurities.com
Multi-strategy trading firm using proprietary capital, combining technology and quantitative methods to optimize trading and risk management globally. |
417 |
| 69 |
Equalsequalsmoney.com
The company offers a combination of global payment technology and currency expertise to simplify cash flow and expense management cost-effectively |
413 |
| 70 |
Hantec Marketshmarkets.com
A multinational financial broker founded in Hong Kong, specializing in providing a secure and transparent trading experience for clients worldwide |
412 |
| 71 |
Zeal Groupzeal-holdings.com
Award-winning FinTech firm offering multi-asset liquidity solutions through proprietary trading platforms, ZFX and Traze, across global regulated markets. |
407 |
| 72 |
Paddlepaddle.com
Manages global payments complexity for SaaS and digital product companies, handling payments, currencies, fraud, billing support, and sales tax compliance. |
405 |
| 73 | 401 | |
| 74 |
Smart Pensionsmart.co
Provide secure, innovative workplace pension schemes with strong governance, digital experience, and global financial backing for employee retirement savings. |
391 |
| 75 |
Currencies Directcurrenciesdirect.com
A leading foreign exchange provider offering payments technology, personalized support, market insight, and consultation to help businesses manage currency exposure and expand globally |
384 |
| 76 |
Small World Financial Servicessmallworldfs.com
Providing a fast, simple, secure, and valuable money transfer service across 196 countries with a global network of digital and physical payment options |
380 |
| 77 | 377 | |
| 78 |
TransferGotransfergo.com
A fast-growing fintech scale-up offering online money transfers to over 160 countries with high speeds, low fees, and no hassle |
371 |
| 79 |
WorldRemitworldremit.com
Simplifies international money transfers. Creates faster, easier, and lower-cost money transfers to 150 countries for over 4 million customers, helping families globally. |
364 |
| 80 |
emerchantpayemerchantpay.com
Leading global payment service provider offering tailored solutions for online, mobile, in-store payments with fraud protection and performance optimization. |
360 |
| 81 | 353 | |
| 82 |
WorldFirstworldfirst.com
Helps businesses move money across borders easily, quickly, and affordably, offering collection, payment, and AI-driven financial services for global scaling. |
350 |
| 83 |
Pay.UKwearepay.uk
The company enables individuals and organizations in the UK to transfer money quickly, safely, and affordably, processing the majority of retail payments in the country |
343 |
| 84 |
Ecommpayecommpay.com
A global payment service provider offering tailor-made technologies for seamless online payments, combining acquiring, multiple payment methods, and innovative solutions |
338 |
| 85 |
Liberisliberis.com
Embedded finance platform empowering small businesses with accessible funding solutions, enabling growth and job creation through innovative receivables finance model |
317 |
| 86 |
Currencycloudcurrencycloud.com
Provides technology enabling businesses to move money globally, transact in multiple currencies, and embed finance into their operations. |
299 |
| 87 | 290 | |
| 88 |
TrueLayertruelayer.com
Leading open banking payments network in Europe, combining real-time bank payments with financial and identity data for safer, faster online transactions |
284 |
| 89 |
ActivTradesactivtrades.co.uk
An independent broker specializing in Forex, CFDs, and Spread Betting, offering a wide range of products, regulatory compliance, and 24/5 multilingual support services |
282 |
| 90 |
payabl.payabl.com
Payabl is a paytech company providing merchants with a full solution stack for global payments, including card acquiring and alternative payment methods |
279 |
| 91 | 275 | |
| 92 |
Monex Europemonexeurope.com
Specialist in commercial foreign exchange services for corporate and institutional clients worldwide, offering FX strategies and market insights to manage currency exposure |
266 |
| 93 |
Vertovertofx.com
Global B2B payments solution facilitating instant money transfers in over 200 countries for startups, SMEs, and large companies |
261 |
| 94 |
Ellipticelliptic.co
The company provides intelligence to financial services, crypto businesses, and governments for faster, smarter, and safer decision-making in finance compliance and risk reduction |
259 |
| 95 | 257 | |
| 96 |
AstroPayastropay.com
Global wallet facilitating money management for users and businesses in over 50 countries, enabling receiving, holding, and spending funds |
255 |
| 97 |
hyperexponentialhyperexponential.com
This company transforms the insurance industry by using decision intelligence, combining actuarial expertise with technology to enable quicker, smarter decision-making and improve productivity |
254 |
| 98 |
Adenzanasdaq.com
The company provides market-leading solutions for optimizing investment, unlocking value, and driving growth in trading, treasury, risk management, and regulatory compliance |
254 |
| 99 |
Chip β your wealth appgetchip.uk
Provides a single platform for users to save money, invest, and manage their finances to build long-term wealth effectively. |
253 |
| 100 | 252 |
Turn this list into pipeline
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 9, 2026.
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