Index Ventures Fintech portfolio in London
Transatlantic venture firm with a deep bench of enterprise SaaS and fintech bets. Filtered to Fintech companies headquartered in London.
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Built from a search like: “Index Ventures-backed Fintech companies in London”
Ranked by current headcount across Index Ventures-backed Fintech companies in London. Refreshed monthly.
- 1Wise· London, England, United Kingdom
Wise is a global technology company, building the best way to move money around the world. With the Wise account people and businesses can hold 40+ currencies, move money between countries and spend money abroad. Large companies and banks use Wise technology too; an entirely new cross-border payments network that will one day power money without borders for everyone, everywhere. However you use the platform, Wise is on a mission to make your life easier and save you money.Co-founded by Kristo Käärmann and Taavet Hinrikus, Wise launched in 2011 under its original name TransferWise. It is one of the world’s fastest growing, profitable technology companies and is dual listed on Nasdaq in the US (WSE) on the London Stock Exchange under the ticker, WISE.19 million people and businesses use Wise globally. In fiscal year 2026, Wise supported around 19 million people and businesses, processing over $240 billion in cross-border transactions and saving customers over $3 billion.For customer queries: Please note that LinkedIn is not a Wise Customer Support channel. If you would like to hear from our Customer Support team, please see our Facebook, Twitter and Instagram pages.Login to access customer support: https://wise.com/login/FB: https://www.facebook.com/Wise/IG:https://www.instagram.com/wiseaccount/TW:https://twitter.com/home
- Post-IPO debt
- 11.7k employees
- Founded 2011
- 2Funding Circle UK· London, England, United Kingdom
We back small businesses with the finance they need to succeed. At Funding Circle, we understand running a business is hard work so we provide a fast, hassle-free experience for businesses looking for finance - with SME experts based in the UK. Over the past ten years, we've been revolutionising SME lending by making it easier than ever to apply for a business loan. With our simple online application small businesses can apply in minutes without the need for interviews or business cases, get a decision in seconds, and funds in their account in typically 48 hours. We've helped over 130,000 businesses access more then £14.5 billion since 2010. And we're not done yet.
- Post-IPO debt
- 856 employees
- Founded 2010
- 3Resistant AI - Fraud Detection· London, England, United Kingdom
Verify if your documents are real or fraudulent with AI. Resistant AI is the industry-leading document fraud detection system with more than 200M documents analyzed for fraud.Detect fraud in all types of documents:• Bank statements• Pay stubs• IDs• Utility bills• Tax forms• Etc.In all formats (PDFs, images). In all languages.Manually, with a simple drag and drop. Or automatically, using our API.And see if documents are fake, modified and fraudulent, in less than 20 seconds.Detect document fraud in: • Digital lending / Loan underwriting• Customer onboarding (KYC)• Merchant onboarding (KYB)• Tenant screening• Pre employment background checks• Insurance claimsAnd achieve: • 90% less manual reviews• 60% faster fraud checks• 80% of documents approved instantly• 99% accuracy in document verdicts200M+ docs analyzed. 8K+ fraud & compliance analysts using Resistant AI to detect fraud. 500+ detectors. 100+ patents. Digital Crime Fighter of the Year. Twice Winner of ACAMS'PwC Hackathon. Backed by GV, Index Ventures, Credo Ventures, Seedcamp.
- Series B
- 166 employees
- Founded 2019
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- 4Prodigy Finance· London, England, United Kingdom
Get funding for a top-tier master degree - without worrying about collateral or a cosigner. We provide collateral-free education loans for international masters students, to pursue their dream degrees at the world’s best schools. We believe in equal access to life-changing education, globally.Talent and potential are evenly distributed around the world, but access to opportunity is not. Specifically, access to world-class education is limited by financial means.This is particularly true in emerging markets where many families don't have the income or collateral to support the education aspirations of the next generation of global leaders.
- Debt
- 164 employees
- Founded 2007
- 5Apron· London, England, United Kingdom
Pay suppliers, pay staff, issue expense cards, and let your most tedious bookkeeping tasks run themselves. It all happens together in Apron.One single source of truth, from the moment money is spent, to the moment it’s recorded in your ledger. Built for a new generation of business owners, accountants and bookkeepers who have seen what’s possible with their personal money, and who expect the same from their business money.For business owners, Apron brings unprecedented clarity and control to business spending. Manage your cash flow and earn Apron points on every payment you make, including supplier payments, payroll, HMRC and team expenses. Convert them 1:1 into Virgin Points for unforgettable experiences with Virgin Red and Virgin Atlantic Flying Club.For accountants and bookkeepers, Apron’s William AI automates essential but repetitive tasks like document extraction, categorisation and publishing, while eliminating document chasing at its source; so you can increase capacity without increasing overheads.Join Apron and discover:Invoice capture — Powered by AI that adapts to feedback and learns your policies.Bill pay — The freedom to pay suppliers in seconds, directly from Apron.Pay by card — Pay HMRC and suppliers with a credit card, even if they don’t accept them.Apron Card — The expense card that chases receipts for you and earns rewards.Payroll — Paying your team and freelancers in one go, instead of one by one.Payment links — Simple, secure payment links for getting paid by your customers.Rewards — Earn Apron points on every payroll and supplier payment, and convert them to Virgin Points to spend with Virgin Red and Virgin Atlantic Flying Club.It’s easier to manage business money with Apron The UK’s fastest-growing fintech startup in 2026 (Sifted 100 Leaderboard).
- Series B
- 122 employees
- Founded 2021
Index Ventures-backed Fintech companies in London
The list above ranks Index Ventures-backed Fintech companies headquartered in London by current headcount, drawn from public LinkedIn and Crunchbase records. With 10 matching companies in Refolk’s index, you can see exactly where Index Ventures’s Fintech thesis has landed in London.
Three filters - investor, industry, city - narrow the field to a tight cluster of operators with overlapping incentives. They share a thesis, a network, and a market. Hiring from this list usually means hiring someone already inside the Index Ventures Fintech world in London.
Refolk converts this list into a live search. Ask for “Index Ventures Fintech companies in London hiring senior engineers” or “founders of Index Ventures-backed Fintech companies in London who left in the last year” and Refolk returns a ranked shortlist.
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Last refreshed: Sat, 19 Sep 2026 20:31:54 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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