Top Series B companies in London

Companies that have closed a Series B - proven scaling motion, hiring aggressively. Filtered to companies headquartered in London.

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Ranked by current headcount across Series B companies headquartered in London. Refreshed daily.

1
MyTutor.co.uk· London, England, United Kingdom
MyTutor is the UK’s leading online platform for 1:1 learning, and we're on a mission to improve the educational outcomes of thousands of young people. We’re building a future where access to high-quality learning is stress-free for those who can afford it, and funded for those who can't.One-to-one tuition is one of the most powerful ways to improve pupils’ grades, confidence and life chances. Yet it remains out of reach for many. Our handpicked community of tutors work online with students from all walks of life, raising results on average by one whole grade. Our handpicked community of tutors work online with students from all walks of life, and have already given over half a million lessons. We’re proud of the fact that over 1,500 schools have also chosen to work with us, and that we’ve earned a Trustpilot rating of 4.8/5.Our team of nearly 200 is distributed across the UK, meaning we encourage a hybrid culture that supports collaboration and flexibility. We are a learning organisation and hope to work with more people who are passionate about doing great work and improving every day.We are committed to conscious inclusion to create a sense of belonging, connection and shared purpose within our teams. We know it’s the right thing to do, and we know it will make us all happier, fulfilled, and successful in our work.
- Series B
- 3.8k employees
- Founded 2013
2
Charlotte Tilbury Beauty· London, England, United Kingdom
Founded by British makeup artist and beauty entrepreneur Charlotte Tilbury MBE in 2013, Charlotte Tilbury Beauty has revolutionised the face of the global beauty industry by de-coding makeup applications for everyone, everywhere, with an easy-to-use, easy-to-choose, easy-to-gift range. Today, Charlotte Tilbury Beauty continues to break records across countries, channels, and categories and to scale at pace.Over the last 10 years, Charlotte Tilbury Beauty has experienced exceptional growth and is one of the most talked about brands in the beauty industry and beyond. It has become a global sensation across 50 markets (and growing), with over 2,300 employees globally who are part of the Dream Team making the magic happen.Today, Charlotte Tilbury Beauty is a truly global business, delivering market-leading growth, innovative retail and product launches fuelled by industry-leading tech — all with an internal culture of embracing challenges, disruptive thinking, winning together, and sharing the magic. The energy behind the brand is infectious, and as we grow, we are always looking for extraordinary talent who want to be part of this our success and help drive our limitless ambitions.
- Series B
- 3.4k employees
- Founded 2012
3
Zen Educate· London, England, United Kingdom
At Zen, we’re a certified B Corp transforming how schools and educators connect, because every student deserves consistent access to excellent teaching.Zen Educate is a digital staffing platform matching teachers, teaching assistants (also known as paraprofessionals or classroom aides), special education support staff, substitute and supply teachers, early years and early childhood educators, and wider school support staff with schools. By replacing traditional agency intermediaries with smart matching technology, Zen Educate charges roughly half the typical agency fee - so educators earn more and schools save money.Over 13,000 educators have found roles through Zen Educate, and 2,000+ schools actively book staff through the platform every month. The matching engine fills over 97% of short-term daily substitute and supply teacher requests. Educators sign up online, complete safeguarding and background checks, set preferences in the app, and get matched to daily, long-term, or permanent roles.Founded in 2017, Zen Educate is an accredited social enterprise and government-approved education staffing supplier, backed by Series B funding led by Round2 Capital and grown through the acquisitions of Opus Education, Aquinas Education, and AK Education.Proud to be a certified B Corp.
- Series B
- 2.2k employees
- Founded 2017
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4
The Business of Fashion· London, England, United Kingdom
The Business of Fashion (BoF) is the leading global media and intelligence company for the fashion, beauty and luxury industries. Our mission is to open, inform and connect the industries that power the creative economy and shape global culture. Analysis, data, events, careers.
- Series B
- 2k employees
- Founded 2007
5
Novakid Inc· London, England, United Kingdom
Novakid is a leading online English learning platform for young learners, and one of the fastest-growing EdTech companies globally. A US company, with a head office in London, this Series B startup has raised $41.5 million in funding from leading global investors, and is trusted by over 940,000 families across 50+ countries.Novakid membership offers parents an easy and affordable way to get their kids to practice English regularly by participating in online international activities they love. Regular practice complements their academic studies at school, builds confidence and expands opportunities. Novakid offers multiple ways to learn, adapting to every child - Pandy (our AI tutor), group workshops with certified teachers, live streams, and individual 1:1 classes for most serious learners. AI is at the core of how Novakid personalises learning: matching students to the right teacher, adapting lesson pacing, tracking progress against Common European Framework of Reference (CEFR) standards, and creating individual learning journeys. Novakid’s approach works. On average, 96% of students improve their English within 6 months. 75% show results from month 1, and most pass assessments on the first or second try.Novakid has launched NovaPals, an AI-first language learning app designed to give teens greater autonomy and confidence when practising spoken English. NovaPals is a pocket-sized partner for daily English language practice, connecting learners with a conversational AI companion that is available instantly for practice sessions ranging from five to thirty minutes. The app focuses on real conversations and adapts to the learner’s current proficiency level using CEFR and remembers previous interactions to create more personalised conversations over time. Novakid website: https://novakidschool.comNovaPals website: https://novapals.ai/en For media queries, please contact hellopress@novakidschool.comRecruitment: https://hr.novakidschool.com/
- Series B
- 1.7k employees
- Founded 2017

6
VSO· London, England, United Kingdom
VSO is the world’s leading independent international development organisation that works through volunteers to create lasting change.
- Series B
- 1.6k employees
- Founded 1958
7
WGSN· London, England, United Kingdom
WGSN is the global authority on consumer trend forecasting. We help brands around the world create the right products at the right time for tomorrow’s consumer.WGSN's trusted consumer and design forecasts power outstanding product design, enabling our customers to create a better future. Our services cover consumer insights, beauty, consumer tech, fashion, interiors, lifestyle, food and drink forecasting, data analytics and expert advisory.
- Series B
- 978 employees
- Founded 1998
8
GWI· London, England, United Kingdom
The next evolution of AI is humanized data. And who’s got that data? We have.For well over a decade GWI has provided real-world, human-sourced data to power business decisions in some of the world’s biggest companies. Today we’re using that same human data to revolutionize tomorrow’s AI systems. It’s a future where real data, gathered from real people, creates real understanding. It means GWI will be at the forefront of shaping how the next generation of AI models understand and interact with the world.Given the future of AI, the size of this opportunity is simply staggering. If you’d like to be part of it, we’re on the lookout for out-of-the-box thinkers to help us do more great things.
- Series B
- 748 employees
- Founded 2009
9
Luno· London, England, United Kingdom
Luno is a crypto investment platform on a mission to spread the word about this once-in-a lifetime opportunity to create more freedom and financial growth across Africa, South East Asia, and Europe. We’re making crypto inclusive and accessible by being by your side at every step of the journey. We’re here for your questions, because for our financial system to be fair, everyone needs to understand it. So far, more than 15 million people have chosen to invest in crypto with Luno.All the crypto we store on your behalf is verified by independent auditors. We’re in it for the long term and we invite you on this journey with us.
- Series B
- 720 employees
- Founded 2013
10
Beauty Pie· London, England, United Kingdom
👋 We’re Beauty Pie. Before we arrived on the scene, if you wanted really great beauty products, you had to shop at traditional beauty retail. And that meant paying massively inflated ‘luxury beauty’ prices . But not any more. We make our premium products in the same labs as other high-end beauty brands (in France, Switzerland, Italy, Germany, Japan, Korea, etc) and give our members access to shop them direct, for a lot less than you’d pay at traditional retail. Because we believe everyone should have access to the very best in beauty - and get a bigger piece of the Beauty Pie.We created this Beauty Pie Playbook to give you a window into our world: who we are, what we stand for, and the culture, values, and opportunities that are available to members of the Beauty Pie team. So whether you're here to explore job opportunities, learn about how we work or simply get a taste of what we’re all about: welcome. And let’s get to work disrupting the beauty industry, one face cream at a time.🌟💄✨For more on life at Beauty Pie take a look at our Beauty Pie Hiring Playbook https://beautypiehiringplaybook.notion.site/Well-Hello-There-Want-To-Know-More-About-Us-75e7348fc9c34801a3590db2e4179e99
- Series B
- 683 employees
- Founded 2016

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Find engineers at Series B companies in London

Series B companies in London are some of the fastest-moving employers in the market. The list above ranks the largest Series B-stage companies headquartered in London by current headcount, drawn from public LinkedIn and Crunchbase records. With 266 matching companies in Refolk’s index, the density of senior engineers, designers, and founders is unusually high.

At Series B, 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 B companies in London” or “senior engineers at Series B companies in London hiring” and Refolk returns a ranked shortlist with evidence behind each match.

How this list is built

Refolk pulled Series B 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 once a day.

Last refreshed: Wed, 05 Aug 2026 13:09:15 GMT

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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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