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Top London Financial Services Companies (678)

Information Technology • Software • Financial Services • Big Data Analytics
19 Offices
4,000 Employees

Together, we've turn ambition into action. For more than three decades, Citadel has captured undiscovered market opportunities in markets around the world by empowering extraordinary people to pursue their best and boldest ideas. We strive to identify the highest and best uses of capital to generate superior long-term returns for the world’s preeminent public and private institutions.


Fintech • Information Technology • Mobile • Payments • Software • Financial Services
10 Offices
2,700 Employees

Want to feel truly valued at work? Check out Q2! Our unique company culture and super-hero employees, are what sets us apart. We know how to get it done and still have fun! Q2 builds the leading mobile banking software platform serving Credit Unions, Banks (large and small), Community Banks and Financial Institutions. Our mission is to build stronger and diverse communities by strengthening their financial institutions. Q2 prioritizes innovation, collaboration and celebrating our employees who make our mission successful. Q2 is a national "Best Place to Work" Award winner 3 years running! Join our "Circle of Awesomeness"! #Q2Peeps


Fintech • Payments • Financial Services
14 Offices
4,196 Employees

By providing end-to-end payments capabilities, data-driven insights, and financial products in a single solution, Adyen helps businesses achieve their ambitions faster. Our team members are motivated individuals from different cultures that help each other do remarkable things every day and across time zones. We face unique technical challenges at scale and we solve those as a team. And together, we deliver innovative and ethical solutions for businesses all across the world. With 28 offices across the globe, Adyen serves customers including Meta, Uber, Spotify, Casper, Bonobos and L'Oreal.


Information Technology • Software • Financial Services
13 Offices
1,900 Employees

Citadel Securities is the next-generation capital markets firm. Our work is powered by the deepest integration of financial, mathematical and engineering expertise. Combining deep trading acumen with cutting-edge analytics and technology, we at Citadel Securities deliver critical liquidity to the world’s most important financial institutions—while helping shape the global markets of tomorrow.


eCommerce • Fintech • Payments • Software • Financial Services
11 Offices
2,700 Employees

Since 2011, Remitly has been tirelessly delivering on our promises to our customers sending their hard earned money home. Today, we are incredibly proud to have served millions of customers globally wWe strive daily to meet our promise to our customers by building peace of mind into everything we do. Join over 2,700 employees across 10 offices who are growing their careers while having a positive impact on people globally.


Fintech • News + Entertainment • Software • Database • Financial Services
7 Offices
708 Employees

Founded in 2013, Reorg has fundamentally changed the way financial and legal professionals access complex and opaque business information. Our unique editorial team combines reporting with financial and legal analysis to provide a holistic view of topical situations and delivers that view in real time through our proprietary platform, which is powered by machine learning and natural language processing applications. Today, with offices on three continents, Reorg serves 26,000 professionals across the world’s leading hedge funds, asset managers, investment banks, law firms and financial advisors so they can make better business, investment and advisory decisions. Our vision is to be the best-in-class provider of complex and opaque credit information delivered in a clear, actionable way.


Fintech • Financial Services
10 Offices
1,825 Employees

A diversified trading firm that utilizes our own capital and trades at our own risk. We bring sophisticated technology and exceptional people together to solve complex problems in markets around the world and across many asset classes. We are motivated to compete at the highest level and commit to operate with respect, curiosity and an open mind.


eCommerce • Fintech • Hardware • Payments • Software • Financial Services
15 Offices
12,000 Employees

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn’t work together. So we expanded into software and started building integrated, omnichannel solutions – to help sellers sell online, manage inventory, offer buy now, pay later functionality through Afterpay, book appointments, engage loyal buyers, and hire and pay staff. Across it all, we’ve embedded financial services tools at the point of sale, so merchants can access a business loan and manage their cash flow in one place. Afterpay furthers our goal to provide omnichannel tools that unlock meaningful value and growth, enabling sellers to capture the next generation shopper, increase order sizes, and compete at a larger scale. Today, we are a partner to sellers of all sizes – large, enterprise-scale businesses with complex operations, sellers just starting, as well as merchants who began selling with Square and have grown larger over time. As our sellers grow, so do our solutions. There is a massive opportunity in front of us. We’re building a significant, meaningful, and lasting business, and we are helping sellers worldwide do the same.


Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
19 Offices
12,000 Employees

Block, Inc. (NYSE: SQ) is a global technology company with a focus on financial services. Made up of Square, Cash App, Spiral, TIDAL, and TBD, we build tools to help more people access the economy. Square helps sellers run and grow their businesses with its integrated ecosystem of commerce solutions, business software, and banking services. With Cash App, anyone can easily send, spend, or invest their money in stocks or Bitcoin. Spiral (formerly Square Crypto) builds and funds free, open-source Bitcoin projects. Artists use TIDAL to help them succeed as entrepreneurs and connect more deeply with fans. TBD is building an open developer platform to make it easier to access Bitcoin and other blockchain technologies without having to go through an institution.


Artificial Intelligence • Cloud • Fintech • Professional Services • Software • Analytics • Financial Services
20 Offices
2,800 Employees

Workiva simplifies complex work for thousands of organizations around the world, including 85% of the Fortune 500®. Our cloud technology, the Workiva platform, is a fit-for-purpose, connected reporting and compliance platform that enables our customers to streamline processes, connect data and teams, and ensure consistency—all within a controlled, secure, audit-ready platform. Workiva customers connect critical business data directly from source systems to our cloud platform, seamlessly enabling collaboration and deep integration into existing workstreams. The Workiva platform provides unparalleled trust, transparency, and assurance for all stakeholders. That’s why thousands of enterprises across 170 countries use the Workiva platform.


Artificial Intelligence • Enterprise Web • Fintech • Software • Financial Services
8 Offices
30 Employees

We’re leading the world of regulatory compliance forward by offering greater efficiencies, greater cost savings, and greater accuracy. Using market-leading RegulationAI, Ascent helps customers in financial services automate their compliance programs, significantly reducing their risk while saving time and money.


Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics
38 Offices
13,000 Employees

TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record data; our data fusion methodology that helps us link, match and tap into the awesome combined power of that data; and our knowledgeable and passionate team, who stewards the information with expertise, and in accordance with local legislation around the world. Because of our work, organizations can better understand consumers in order to make more informed decisions, and earn their trust through great, personalized experiences, and the proactive extension of the right opportunities, tools and offers. In turn, consumers can be confident that their data identities will result in the opportunities they deserve. We make trust possible, so businesses and consumers can transact with confidence and achieve great things. We call this Information for Good®—it’s our purpose, and what drives us every day.


Fintech • Financial Services
3 Offices
200 Employees

Geneva Trading LLC is a leading proprietary trading firm with a history of consistent success in the listed derivatives markets. Over the past 20 years, we’ve grown significant capital, developed proven technology, and maintained an appetite for diversified trading strategies. We foster innovation and look for people who can solve complex problems that drive immediate results. We've built a culture of collaboration and personal excellence in everything we do, which allows us to push the bounds of what's possible.


Fintech • Legal Tech • Software • Financial Services • Cybersecurity • Data Privacy
40 Offices
8,000 Employees

CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world. With more than 8,000 employees, CSC operates in more than 140 jurisdictions, delivering solutions that help businesses thrive. We pride ourselves on our client-focused approach, market-leading expertise, and unmatched global reach.


Fintech • Machine Learning • Payments • Software • Financial Services
14 Offices
55,000 Employees

At Capital One, we think and work like a tech company, using our digital fluency to transform everything about the customer experience. We’re bending data to our will, and turning a stodgy industry on its head. That’s reflected in our ranking as the number one business technology innovator in the U.S. in the 2016 InformationWeek Elite 100.


Fintech • Software • Financial Services
4 Offices
341 Employees

CAIS is the leading alternative investment platform for independent financial advisors. The CAIS platform powers the pre-trade, trade, and post-trade lifecycle of alternative investments providing financial advisors and alternative asset managers a single operating system for scale and efficiency. CAIS serves over 2,000 wealth management firms that support more than 50,000 financial advisors who oversee approximately $6 trillion in end-client assets. Founded in 2009, CAIS is headquartered in New York City with offices in Austin and London. CAIS continues to be recognized for its innovation and leadership including awards for Alternative Investment Firm of the Year by Wealth Solutions Report, WealthTech100 List by Fintech Global, Great Places to Work by Fortune, Best RIA Platform by SPi, Best Alternative Investments Solution by Finovate, and many others. For more information about CAIS, please visit www.caisgroup.com.


Fintech • Financial Services
16 Offices
1,500 Employees

Powering the World’s Alternative Investment Marketplace. Part innovator, part educator, and part navigator of the alternatives industry, iCapital offers intuitive, scalable digital solutions that have transformed how private market and hedge fund investments are bought and sold. With iCapital, financial advisors, wealth managers, and asset managers around the world now have access to everything they need to deliver the return and diversification potential of alternatives to high-net-worth investors.


Fintech • Mobile • Payments • Software • Financial Services
12 Offices
6,000 Employees

We’re making a positive, irreversible change in the world of finance. Together. People on every continent around the world are choosing Wise to help them live, travel and work internationally. We’re the fairest, easiest way to send money overseas. Built by and for people who live global lives, we make sending money abroad up to 8 times cheaper than the bank. This is money without borders - instant, convenient, transparent and eventually free. For our customers, using Wise is as simple as sending money from A to B, but behind our app and website is a complex engine of currencies and routes, that’s being designed, built and powered by our talented teams in cities around the world. We’re just at the beginning of our story and we’re growing at an incredible pace. We won’t stop until anyone, anywhere can send, spend and receive money wherever they are, whatever they’re doing. There’s still heaps to do and we can’t do it alone.


Fintech • Financial Services
3 Offices
230 Employees

9fin provides data, news, and predictive analysis for debt capital markets. Our fast growing list of clients include 9 of the top 10 Investment Banks, leading asset managers, hedge funds and law firms. Through an AI powered data & analytics platform 9fin centralizes everything that's needed to analyze a credit, or win a mandate in one place. Helping subscribers win business, outperform their peers and save time.


Financial Services
19 Offices
289,097 Employees

JPMorgan Chase & Co. (NYSE: JPM) is a leading global financial services firm with assets of $3.7 trillion and operations worldwide. The firm is a leader in investment banking, financial services for consumers and small businesses, commercial banking, financial transaction processing, and asset management. A component of the Dow Jones Industrial Average, JPMorgan Chase & Co. serves millions of consumers in the United States and many of the world’s most prominent corporate, institutional and government clients under its J.P. Morgan and Chase brands. Technology fuels every aspect of our company and is at the heart of everything we do. With over 50,000 technologists globally and an annual tech spend of $12 billion, we are dedicated to improving the design, analytics, development, coding, testing and application programming that goes into creating high quality software and new products. Learn more about technology at our firm, explore resources from our Distinguished Engineers, AI & ML researchers, and other experts; access the latest episode of our TechTrends podcast, and more at www.jpmorgan.com/technology. Information about JPMorgan Chase & Co. is available at www.jpmorganchase.com. ©2023 JPMorgan Chase & Co. All rights reserved. JPMorgan Chase is an Equal Opportunity Employer, including Disability/Veterans.