Top Series C companies in London

Companies that have closed a Series C - growth-stage with significant revenue. Filtered to companies headquartered in London.

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Built from a search like: “Top Series C companies in London”

Ranked by current headcount across Series C companies headquartered in London. Refreshed monthly.

1
Moniepoint Group· Southwark Cathedral, Old Kent Road, New Kent Road, Newington, London Bridge, Southwark, Lambeth, Lambeth North, Waterloo, Westminster Bridge, South Bank, Borough, Bermondsey, England, United Kingdom
Moniepoint Inc. is Africa’s all-in-one financial ecosystem, helping 10 million businesses and individuals access seamless payments, banking, credit, and business management tools since 2019.As Nigeria’s largest merchant acquirer, it powers most of the country’s Point of Sale (POS) transactions. Through its subsidiaries, Moniepoint Inc. processes $22 billion monthly for its customers while operating profitably.Moniepoint Inc. is a fully remote tech company with a diverse workforce worldwide and is headquartered in London, with offices in the US, Nairobi and Lagos. Join us as a #DreamMaker to help power the dreams of businesses globally.
- Series C
- 5.8k employees
- Founded 2015
2
TradingView· Newington, Waterloo, New Kent Road, Westminster Bridge, London Bridge, Lambeth, Old Kent Road, Southwark Cathedral, Southwark, Lambeth North, South Bank, Borough, Bermondsey, England, United Kingdom
We are TradingView, the world's most popular charting platform and the industry's forefront for financial visualization solutions. 100M+ traders worldwide use our platform as a go-to destination to chart, chat, and trade financial markets. Our product portfolio includes best-in-class charts, versatile commercial libraries, a social network, and many more tools for retail and business audiences. With 200M+ monthly visits, we are the #1 all-things investing website, and our solutions are used by fintech leaders such as Revolut, Binance, and CME Group.We wouldn't be where we are without our tight-knit multinational team from 40+ countries, distributed globally, including across core offices in London, Malaga, and Tbilisi. To get the best, we offer relocation packages with competitive compensation and ensure a smooth onboarding through mentorship and clear career paths.Reach out to us, and let’s grow together.
- Series C
- 2.9k employees
- Founded 2011
3
Leverage Edu· London, England, United Kingdom
Leverage Edu is an AI-native global talent mobility & upskilling platform, operating across 40 countries. It has helped 175,000+ individuals in the last 9 years, channeled $1Bn worth forex, aggregated $500Mn of education loans, ensured 12,000 beds, & now hosts over a 1000 companies every year in job fairs for its alums across the world. For enterprise partners, Leverage Edu offers an AI product-suite called LE AI, which includes Vasu AI Coach, AI Interviewer, and AI Quality Compliance Specialist.Now, the platform has also branched out into Workforce Mobility with Leverage Careers (with focus on healthcare), and Industry-integrated Online Programs & Certifications with Leverage Online.
- Series C
- 1.2k employees
- Founded 2017
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4
Teya· London, England, United Kingdom
Local Businesses are Non Stop. They open early, close late, serve customers, manage teams, pay suppliers and keep their communities moving, and Teya is built around that reality.By bringing together payments, access to money, cash flow management, funding and team tools in one connected ecosystem, we help make running a business feel simpler, with fair and transparent terms throughout.It is all designed to be simple, fast and human, with 24/7 support from a real person in under 10 seconds, so Local Businesses can spend less time managing money and more time doing what they do best.
- Series C
- 1.2k employees
- Founded 2019
5
Fresha· London, England, United Kingdom
Fresha is the world’s leading marketplace platform for the beauty, wellness, and self-care industry, trusted by millions of consumers and businesses worldwide.For consumers, Fresha offers a seamless way to discover, book, and pay for beauty and wellness services with top local professionals. For businesses, Fresha provides an all-in-one platform that streamlines operations, from appointment management to client engagement, helping them grow effortlessly with powerful business software, integrated payments, financial services and cutting-edge technology solutions. Fresha’s comprehensive ecosystem empowers businesses and professionals with everything they need to operate seamlessly and efficiently. From appointment bookings, point-of-sale, client management, and marketing automation to loyalty programs, inventory management, and team coordination, Fresha provides an all-in-one solution designed to drive business growth.Fresha’s consumer marketplace helps businesses unlock their full revenue potential by maximizing online bookings and leveraging automated marketing tools. Through seamless integrations with major platforms like Instagram, Facebook, and Google, businesses can attract more clients while Fresha’s mobile apps ensure a smooth booking experience.Today, 130,000+ businesses and 500,000+ professionals rely on Fresha, with over 1 billion appointments processed to date. Headquartered in London, United Kingdom, Fresha has a global presence with offices in New York City, Orlando, Vancouver, Madrid, Paris, Amsterdam, Warsaw, Sydney, Singapore and Dubai.
- Series C
- 917 employees
- Founded 2015

6
Marshmallow· London, England, United Kingdom
We started building Marshmallow in 2017 to make migration easy. Since then we've grown to 700+ people, gained unicorn status, raised ~£140M, turned profitable, and insured millions of drivers and lent millions in loans.We're only just getting started. Our goal is to become one of the largest financial services providers in the world - not just by scaling what we have, but by building what comes next.To get there we need people who never settle for good enough. People who thrive here are hungry for ownership and focused on collective success over personal agendas. We're always looking for more of them.
- Series C
- 634 employees
- Founded 2017
7
9fin· Tower of London, England, United Kingdom
9fin is the AI-native intelligence platform for the global debt markets. It combines real-time news, comprehensive data, advanced analytics, and trusted AI to give credit teams complete visibility across public, private, and distressed debt. Built on advanced AI and deep domain expertise, 9fin helps professionals save time, win business, and outperform their peers. Trusted by over 300 elite financial institutions worldwide, including top investment banks, investors, advisors, and law firms, 9fin is the platform of choice for modern credit teams seeking a decisive edge in complex markets.
- Series C
- 624 employees
- Founded 2016
8
Vertice· London, England, United Kingdom
Vertice is the intelligent procurement platform built for the modern enterprise. By uniting agentic workflows, AI-powered insights, and expert buying talent, we enable finance and procurement teams in 100+ countries to operate with greater precision, speed, and impact.Customers use Vertice's platform to review, analyze and negotiate purchases with greater confidence. Vertice processes over $75 billion in spend, with a proven track record of delivering 20%+ savings and accelerating procurement cycles by 2x.Headquartered in London and recognised by the Financial Times as the UK’s fastest growing scale-up, Vertice also operates in New York, Boston, Sydney, Brno, Linz and Johannesburg. Learn more at www.vertice.one.
- Series C
- 563 employees
- Founded 2021
9
ComplyAdvantage· London, England, United Kingdom
Our mission is to empower every business to eliminate financial crime. By harnessing AI, a unified platform, and an extensive partner ecosystem, we help customers turn compliance into a catalyst for growth, operational resilience, and enduring regulatory trust.More than 3,000 enterprises across 75 countries rely on our end-to-end platform and the world’s most comprehensive financial crime risk intelligence. With full-stack agentic automation, we help organizations automate up to 95% of KYC, AML, and sanctions reviews, cut onboarding times by 50%, reduce false positives by 70%, and handle 7x more work with the same staff.ComplyAdvantage is headquartered in London and has global hubs in New York, Lisbon, Singapore, and Cluj-Napoca. It is backed by Balderton Capital, Index Ventures, Ontario Teachers’ Pension Plan, Goldman Sachs, and Andreessen Horowitz. Learn more about compliance re-engineered for the age of AI at complyadvantage.com.
- Series C
- 507 employees
- Founded 2014
10
Dext· London, England, United Kingdom
Say hello to Dext, the advanced bookkeeping automation platform that eliminates much of the manual work that slows you down.At Dext, we believe that accurate, real-time data is the lifeblood that drives smarter and timely financial decisions and we are committed to empowering businesses, accountants and bookkeepers to thrive through innovative technology that simplifies the accounting process.As the world leader in bookkeeping automation, Dext’s AI is trained on over 1 billion receipts and invoices and extracts financial data with 99.5% accuracy. There’s a reason that over 12,000 bookkeeping and accounting firms and 700,000 businesses like yours trust and rely on us every day for the insights they need to stay healthy and scale.Dext liberates our customers to meet the challenges of today and tomorrow and to focus on what truly matters to them.
- Series C
- 504 employees
- Founded 2010

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Find engineers at Series C companies in London

Series C companies in London are some of the fastest-moving employers in the market. The list above ranks the largest Series C-stage companies headquartered in London by current headcount, drawn from public LinkedIn and Crunchbase records. With 74 matching companies in Refolk’s index, the density of senior engineers, designers, and founders is unusually high.

At Series C, teams tend to be small, ambitious, and on the hunt for senior talent. The companies on this list are good signals for where the London talent market is heating up - and for which engineers and founders are about to become tomorrow’s operators.

Refolk converts this list into a live search. Ask for “founders of Series C companies in London” or “senior engineers at Series C companies in London hiring” and Refolk returns a ranked shortlist with evidence behind each match.

How this list is built

Refolk pulled Series C companies headquartered in London from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes monthly.

Last refreshed: Tue, 20 Oct 2026 05:48:21 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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