Rocket List 2021

50 of the fastest-growing companies in London to accelerate your career in 2021. Vetted by investors & technology leaders. We include curated insight into why they're great places to work.

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LANDING THE ROCKET LIST

How we choose companies

We feature startups in moments of truly exponential growth. We set criteria and pick companies based on 1) impressive fundraising 2) disruptive missions 3) exploding headcounts

Our expert panel

The Rocket List was personally vetted by a group of individuals who nurture and fund technology companies

Holly Bennett

Head of Ecosystem & Portfolio Development at Accel

Sia Houchangnia

Partner at Seedcamp

Saul Klein

Co-founder and Partner at LocalGlobe

Gerard Grech

CEO of Tech Nation

Irina Haivas

Partner at Atomico

Anne Glover

Chief Executive and Co-founder of Amadeus Capital Partners

The Rocket List

Year

Region

US

Year

2021

Region

UK

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Number of Employees

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Sector

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Name

Ably

Cloud infrastructure and APIs for realtime data delivery

Data

Data

£65m

90%

Accurx

Patient communication for healthcare professionals

Health and Beauty

Health and Beauty

£36m

79%

Bark

Marketplace for service professionals

Consumer

Consumer

Unknown

6%

0 jobs

Beacon

Digital freight forwarding

Travel and Transportation

Travel and Transportation

£54m

63%

Behavox

Monitors employee behaviour in the financial workplace

Finance

Finance

£149m

-9%

Blink

Enterprise app that empowers frontline workers

Legal/HR

Legal/HR

£23m

60%

Capdesk from Carta

Equity management platform

Finance

Finance

£10m

56%

Cazoo

Transforming the way people buy used cars

Travel and Transportation

Travel and Transportation

£463m

63%

Checkout.com

Setting the standard in payments

Finance

Finance

£1513m

59%

Cleo

AI personal finance assistant

Finance

Finance

£114m

24%

Codat

Universal API for small business data

Finance

Finance

£140m

96%

Credit Kudos

Using financial behaviour to measure creditworthiness

Finance

Finance

£9m

15%

0 jobs

Cutover

Work orchestration & observability platform

Software

Software

£45m

38%

Duffel

API toolkit for selling flights online

Travel and Transportation

Travel and Transportation

£47m

35%

0 jobs

Eigen Technologies

AI Document intelligence platform

Artificial Intelligence

Artificial Intelligence

£49m

7%

Elvie

Pioneering smarter technology for women

Hardware

Hardware

£110m

9%

Farewill

Wills, probate and cremation service

Finance

Finance

£26m

-36%

Fidel API

Financial infrastructure platform

Finance

Finance

£71m

88%

0 jobs

Form3

Cloud-native payment processing platform

Finance

Finance

£180m

77%

Freetrade

Invest in stocks with zero commissions or fees

Finance

Finance

£100m

71%

Goodlord

End-to-end lettings platform

Real Estate

Real Estate

£53m

11%

0 jobs

Gousto

Recipe boxes delivered to your door

Consumer

Consumer

£243m

35%

0 jobs

Harbr Data

Data commerce platform

Data

Data

£42m

22%

Hopin

Event platform provider that connects communities through virtual, hybrid, and in-person events

Media

Media

£845m

-5%

Impala

Changing the way the entire world browses, books, stays and pays

Consumer

Consumer

£27m

36%

0 jobs

Infogrid

AI for sustainable buildings

Artificial Intelligence

Artificial Intelligence

£13m

215%

0 jobs

Kheiron Medical

AI enhanced cancer detection tools for radiologists

Health and Beauty

Health and Beauty

£28m

-6%

LabGenius

Protein engineering platform

Health and Beauty

Health and Beauty

£24m

30%

0 jobs

Lingumi

Smart tutoring platform for kids ages 2-7

Education

Education

£6m

-21%

Marshmallow

Accessible, tech-enabled insurance

Finance

Finance

£98m

63%

Moneybox

Saving and investing app

Finance

Finance

£88m

35%

Multiverse

Accelerating careers through apprenticeships

Education

Education

£342m

96%

Onfido

Automating the process of identity verification

Artificial Intelligence

Artificial Intelligence

£179m

37%

Paddle

The complete payments, tax, and subscriptions solution for SaaS

Finance

Finance

£240m

95%

Primer

No code automation for payments

Finance

Finance

£59m

185%

Privitar

Solving data privacy challenges for enterprises

Security

Security

£122m

-9%

0 jobs

Prolific

Connecting people to facilitate world-changing research.

Data

Data

£1m

28%

Qatalog

Digital work hub

Productivity

Productivity

£18m

31%

Revolut

Comprehensive financial services platform

Finance

Finance

£1420m

78%

SeedLegals

One-stop platform for legals for startups

Legal/HR

Legal/HR

£4m

53%

Sensat

Translates real world into digital twins

Artificial Intelligence

Artificial Intelligence

£29m

6%

0 jobs

Snyk

Developer security platform

Security

Security

£1145m

76%

0 jobs

Streetbees

Crowdsourced real-time market research

Data

Data

£46m

-11%

Thought Machine

A cloud native banking platform

Finance

Finance

£462m

6%

Tiney

Digital marketplace for childcare

Education

Education

£6m

44%

Trint

Transcription software

Artificial Intelligence

Artificial Intelligence

£9m

10%

TrueLayer

Simple banking APIs

Finance

Finance

£224m

100%

Unmind

Mental health platform for the workplace

Health and Beauty

Health and Beauty

£52m

39%

Wagestream

Bringing employees financial freedom

Finance

Finance

£89m

50%

0 jobs

Yapily

Secure API for banks

Finance

Finance

£57m

102%

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