Series C SaaS companies in London

At Flo Health, our purpose is to build a better future for female health. We are the world’s leading period and ovulation tracker, empowering over 400 million women globally to take control of their health. With 77 million monthly active users, including 25% of US women, Flo has become a trusted partner in women's health. As the first European femtech unicorn, following a $230M Series C in July 2024, we're proud to lead the way in innovation and investment in women's health.With over 100+ medical experts, Flo is committed to supporting women at every stage of their health journey, from menstruation to conception, pregnancy, and menopause. We provide curated cycle and ovulation tracking, tailored health insights, daily bite-sized visual content, and a private community for users to share their questions and concerns. Flo addresses critical challenges in women’s health by:*Expanding access: Through partnerships like UNFPA, Flo provides free Premium access to up to 1 billion women in 66 countries, with 17 million subscriptions donated, helping bridge healthcare disparities.*Improving health literacy: By delivering accurate, accessible information and daily insights, Flo empowers millions to better understand their health and make informed decisions.*Advancing women's health research: Collaborating with leading institutions, Flo contributes to evidence-based women’s health research.In a world where women's health data is increasingly vulnerable, Flo is dedicated to providing a safe and secure platform. Recognized for its commitment to privacy, Flo's Anonymous Mode feature was named one of TIME's Best Inventions of 2023 and a finalist for Fast Company's 2023 World Changing Ideas Awards. Anonymous Mode allows users to access Flo's health features without associating personal information with their health data, setting a new industry standard for reproductive health data privacy.

• Series C
• 699 employees
• Founded 2015

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
• 526 employees
• Founded 2021

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
• 519 employees
• Founded 2010

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
• 506 employees
• Founded 2014

Cognism provides accurate, compliant-first B2B data and sales intelligence for teams growing across Europe and beyond. Most data looks fine until you try to use it. Contacts change roles. Numbers don’t connect. Prospecting turns into guesswork. Cognism replaces that guesswork with data you can act on. Find the right people, reach them with confidence, and focus on conversations that move deals forward. Our approach is simple: data fluency. Clear, precise, and built to reflect how real go-to-market teams actually work. Trusted by thousands of revenue teams, Cognism helps you turn data into pipeline, without the noise.Please review our current vacancies on here or for more information check out our Careers Page on our website, linked below.

• Series C
• 454 employees
• Founded 2015