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

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

£63m

90%

4 jobs

Accurx

Patient communication for healthcare professionals

Health and Beauty

Health and Beauty

£36m

79%

7 jobs

Bark

Marketplace for service professionals

Productivity

Productivity

Unknown

66%

10 jobs

Beacon

Supply Chain Visibility Platform

Travel and Transportation

Travel and Transportation

£53m

63%

11 jobs

Behavox

Monitors employee behaviour in the financial workplace

Finance

Finance

£146m

-9%

3 jobs

Blink

Enterprise app that empowers frontline workers

Legal/HR

Legal/HR

£24m

60%

10 jobs

Capdesk from Carta

Equity management platform

Finance

Finance

£10m

56%

0 jobs

Cazoo

Transforming the way people buy used cars

Travel and Transportation

Travel and Transportation

£458m

63%

18 jobs

Checkout.com

Setting the standard in payments

Finance

Finance

£1486m

59%

39 jobs

Cleo

AI personal finance assistant

Finance

Finance

£112m

24%

0 jobs

Codat

Universal API for small business data

Finance

Finance

£138m

96%

7 jobs

Credit Kudos

Using financial behaviour to measure creditworthiness

Finance

Finance

£9m

15%

0 jobs

Cutover

Work orchestration & observability platform

Software

Software

£44m

38%

4 jobs

Duffel

API toolkit for selling flights online

Travel and Transportation

Travel and Transportation

£46m

35%

3 jobs

Eigen Technologies

AI Document intelligence platform

Artificial Intelligence

Artificial Intelligence

£48m

7%

5 jobs

Elvie

Pioneering smarter technology for women

Hardware

Hardware

£111m

9%

3 jobs

Farewill

Wills, probate and cremation service

Finance

Finance

£26m

-36%

0 jobs

Fidel API

Financial infrastructure platform

Finance

Finance

£70m

88%

2 jobs

Form3

Cloud-native payment processing platform

Finance

Finance

£177m

77%

14 jobs

Freetrade

Invest in stocks with zero commissions or fees

Finance

Finance

£100m

71%

0 jobs

Goodlord

End-to-end lettings platform

Real Estate

Real Estate

£53m

11%

5 jobs

Gousto

Recipe boxes delivered to your door

Consumer

Consumer

£291m

35%

6 jobs

Harbr Data

Data commerce platform

Data

Data

£42m

22%

0 jobs

Hopin

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

Media

Media

£830m

-5%

5 jobs

Impala

Platform connecting hotel software providers with hotel inventory and services

Consumer

Consumer

£27m

36%

1 job

Infogrid

AI for sustainable buildings

Artificial Intelligence

Artificial Intelligence

£13m

215%

12 jobs

Kheiron Medical

AI enhanced cancer detection tools for radiologists

Health and Beauty

Health and Beauty

£28m

-6%

0 jobs

LabGenius

Protein engineering platform

Health and Beauty

Health and Beauty

£23m

30%

1 job

Lingumi

Smart tutoring platform for kids ages 2-7

Education

Education

£6m

-21%

0 jobs

Marshmallow

Accessible, tech-enabled insurance

Finance

Finance

£96m

63%

5 jobs

Moneybox

Saving and investing app

Finance

Finance

£88m

35%

0 jobs

Multiverse

Accelerating careers through apprenticeships

Education

Education

£336m

96%

25 jobs

Onfido

Automated identity verification

Artificial Intelligence

Artificial Intelligence

£176m

37%

9 jobs

Paddle

The complete payments, tax, and subscriptions solution for SaaS

Finance

Finance

£236m

95%

0 jobs

Primer

No code automation for payments

Finance

Finance

£59m

185%

3 jobs

Privitar

Solving data privacy challenges for enterprises

Security

Security

£120m

-9%

4 jobs

Prolific

Connecting people to facilitate world-changing research.

Data

Data

£1m

28%

0 jobs

Qatalog

Digital work hub

Productivity

Productivity

£18m

31%

3 jobs

Revolut

Comprehensive financial services platform

Finance

Finance

£1395m

78%

0 jobs

SeedLegals

One-stop platform for legals for startups

Legal/HR

Legal/HR

£4m

53%

2 jobs

Sensat

Translates real world into digital twins

Artificial Intelligence

Artificial Intelligence

£28m

6%

2 jobs

Snyk

Developer security platform

Security

Security

£1304m

76%

11 jobs

Streetbees

Crowdsourced real-time market research

Data

Data

£45m

-11%

4 jobs

Thought Machine

Cloud native banking platform

Finance

Finance

£453m

6%

22 jobs

Tiney

Digital marketplace for childcare

Education

Education

£6m

44%

0 jobs

Trint

Transcription software

Artificial Intelligence

Artificial Intelligence

£9m

10%

3 jobs

TrueLayer

Simple banking APIs

Finance

Finance

£220m

100%

0 jobs

Unmind

Workplace mental health platform

Health and Beauty

Health and Beauty

£51m

39%

0 jobs

Wagestream

Bringing employees financial freedom

Finance

Finance

£87m

50%

0 jobs

Yapily

Secure API for banks

Finance

Finance

£56m

102%

4 jobs

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