Rocket List 2021

150 of the fastest-growing companies to accelerate your career. Discover the most innovative startups, and why working for them might just be your best job yet.

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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

$41bn
collectively raised, 75% this year
4,500+
live jobs available on Otta
300%+
average employee growth in 2021

The Rocket List

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150 companies

OpenSea

Decentralized NFT marketplace

Software

Software

$127m

467%

Mission

OpenSea's mission is to shape an accessible and open digital economy for everyone. Its peer-to-peer non-fungible token marketplace allows anyone to sell and buy blockchain-backed assets online to make the financial industry more open.

Marketplace
SaaS
Blockchain
Art

12M Employee Growth
467%

Founders

Devin Finzer (Co-founder & CEO)

Devin started their career as a Pinterest Software Engineer, before leaving after almost 2 years to co-found Iris Labs and Claimdog. They left their Engineering Manager role at Credit Karma in December 2017 to co-found OpenSea.

Alex Atallah (Co-founder & CTO)

Having studied at Stanford, Alex worked as an Engineer at Palantir and Zugata for over 4 years. They left their CTO position at Whatsgoodly in September 2017 to co-found OpenSea with Devin in December.

Fundraising

Last 2 fundraises


20212022$23m$100m

Investors: Y Combinator, Andreessen Horowitz, Founders Fund, Coatue Management, Foundation Capital, Ashton Kutcher, Naval Ravikant, Kevin Hartz, and 17 more

Last 2 fundraises


20212022$23m$100m

Otta's take on OpenSea

Xav Kearney headshot
Xav Kearney
CTO of Otta

OpenSea is a peer-to-peer digital marketplace for NFTs or uniquely identifiable digital items. These items are authenticated with blockchain and are part of a new internet economy that consists of digital products representing art, game characters, domain names, and event tickets.

The OpenSea platform allows users to both purchase NFTs or list digital items for sale. The platform initially encountered speed issues when NFT trading boomed due to the limitations of the Ethereum blockchain technology it was using. However, the company has transitioned to a new blockchain system, Polygon, which has mitigated the problem.

In addition to OpenSea, other online marketplaces exist, including Rarible and Nifty Gateway, which have sprung up to accommodate middle-weight investors and collectors who see potential in the market. Over $2.5 billion has already been invested into NFTs, with high-profile sales taking place at traditional auction houses Sotheby's and Christie's. Riding this wave, OpenSea has been valued at over $1 billion and has received several funding rounds from high-profile backers including Andreessen Horowitz.

Abnormal Security

Cloud-native platform for email security

Security

Security

$74m

208%

AgentSync

Compliance as a Service solution for insurance providers

Finance

Finance

$36m

238%

Airbase

Spend management platform for SMEs

Finance

Finance

$91m

116%

Airkit

Low-code customer engagement platform

Productivity

Productivity

$68m

104%

AKASA

Unified automation for healthcare revenue cycle management

Health and Beauty

Health and Beauty

$85m

153%

Applied Intuition

Software infrastructure for autonomous vehicles

Artificial Intelligence

Artificial Intelligence

$352m

Unknown

Archer

Urban air mobility developer

Tech for good

Tech for good

$1156m

290%

Articulate

SaaS training and development platform

Productivity

Productivity

$1500m

19%

Astranis

Next generation satellite broadband service

Productivity

Productivity

$304m

56%

Beamery

We put talent transformation at the heart of every business

Artificial Intelligence

Artificial Intelligence

$173m

43%

Benchling

Cloud-based informatics platform for the life sciences

Science

Science

$412m

99%

Bevy

Enterprise software for virtual conferences and events

Software

Software

$61m

167%

Bilt Rewards

Loyalty program for property renters to earn points on rent

Finance

Finance

$63m

300%

BlockFi

Blockchain powered investment platform

Finance

Finance

$1009m

233%

Bolt

One-click checkout solution for online payments

Finance

Finance

$608m

106%

Calibrate

Virtual program to improve metabolic health

Health and Beauty

Health and Beauty

$128m

663%

CaptivateIQ

Sales incentive compensation platform

Productivity

Productivity

$59m

151%

Carbon Health

Virtual healthcare provider

Health and Beauty

Health and Beauty

$517m

169%

Carrot Fertility

Global fertility benefits provider

Health and Beauty

Health and Beauty

$114m

159%

Cedar

A healthcare financial platform helping keep businesses and patients healthy

Finance

Finance

$326m

101%

Cellares

Provider of cell therapy manufacturing services

Science

Science

$100m

150%

ChartHop

HR analytics platform

Legal/HR

Legal/HR

$54m

389%

Check

Make paying people simple

Finance

Finance

$44m

284%

Checkout.com

Setting the standard in payments

Finance

Finance

$830m

69%

Chime

Mobile banking for the everyday person

Finance

Finance

$2044m

Unknown

Chronosphere

Redefining cloud-native monitoring

Software

Software

$254m

98%

Class

Teaching and learning tools for Zoom

Education

Education

$164m

1292%

Clearing

Custom relief for chronic pain

Health and Beauty

Health and Beauty

$20m

443%

Club Feast

Delivering for local restaurants sustainably and cheaply

Tech for good

Tech for good

$14m

355%

Clubhouse

Social media app based on audio messages

Media

Media

$112m

750%

Codat

The platform for business data

Finance

Finance

$70m

97%

Coiled

Solution for scaling data science, machine learning, and AI in Python

Artificial Intelligence

Artificial Intelligence

$26m

457%

Commure

Healthcare platform for modernizing care delivery

Health and Beauty

Health and Beauty

$542m

37%

CookUnity

Ready-meal delivery marketplace

Tech for good

Tech for good

$70m

115%

Cribl

Helping businesses to process machine data in real time

Data

Data

$242m

290%

Current

Financial technology company helping Americans create a better future

Finance

Finance

$393m

106%

Daring Foods

The 100% plant-based upgrade to chicken

Tech for good

Tech for good

$113m

314%

Databricks

One cloud platform for massive scale data engineering

Data

Data

$3497m

68%

DevRev

The world's first DevCRM platform

Artificial Intelligence

Artificial Intelligence

$50m

8400%

Dispo

Photo-sharing app for retro styled photos

Consumer

Consumer

$24m

975%

Divvy

Helping people become homeowners

Tech for good

Tech for good

$390m

138%

DriveWealth

Developing cloud-based, API-driven brokerage infrastructure

Finance

Finance

$532m

132%

dYdX

Decentralized exchange for cryptocurrency derivatives

Finance

Finance

$95m

Unknown

Elemy

Platform for in-home pediatric behavioural care

Health and Beauty

Health and Beauty

$323m

163%

Embed

Modern custody and clearing financial technology

Finance

Finance

$20m

Unknown

Ethos Life

Life insurance made easy with no medical exams or blood tests

Finance

Finance

$407m

113%

Extend

Warranty and protection plan services

Productivity

Productivity

$316m

244%

Faire

Online wholesale marketplace focused on local commerce

Tech for good

Tech for good

$1096m

105%

Fast

World's fastest login and checkout

Finance

Finance

$125m

227%

Fetch Rewards

A mobile shopping and rewards platform

Consumer

Consumer

$337m

186%

FightCamp

Connected, at-home boxing gym

Health and Beauty

Health and Beauty

$99m

60%

Figma

A design platform for teams who build products together.

Productivity

Productivity

$333m

65%

Fireblocks

Helping financial institutions securely transfer digital assets

Finance

Finance

$489m

222%

Fivetran

Cutting-edge data integration solutions

Data

Data

$728m

45%

Forge

The stock market for private companies

Finance

Finance

$238m

109%

Gather

Video chat and Virtual HQs for distributed teams

Productivity

Productivity

$76m

392%

Getir

On-demand grocery delivery

Consumer

Consumer

$1025m

225%

Grafana Labs

IT monitoring platform

Data

Data

$295m

136%

Headway

Building a new mental healthcare system, rewired for access and affordability

Health and Beauty

Health and Beauty

$102m

202%

Highnote

Virtual payments platform for business

Finance

Finance

$54m

Unknown

Homeward

A modern home finance company

Real Estate

Real Estate

$160m

215%

Hopin

The leading shared experiences platform

Consumer

Consumer

$1022m

383%

Humane

Consumer hardware, software, and services

Hardware

Hardware

$130m

183%

Immuta

Cloud-native data governance platform

Data

Data

$166m

86%

IRL

Group messaging app

Consumer

Consumer

$197m

84%

Jerry

Compare and buy car insurance

Artificial Intelligence

Artificial Intelligence

$132m

136%

Kaia Health

Best-in-class therapy for those with chronic conditions

Health and Beauty

Health and Beauty

$121m

83%

Kalshi

Online trading platform for future event outcomes

Finance

Finance

$30m

65%

Kandji

Apple device management platform

Security

Security

$188m

359%

Katana Graph

High-performance graph processing and analytics

Hardware

Hardware

$29m

456%

Klarna

Allowing customers to shop now, but pay later

Finance

Finance

$3360m

43%

Klaviyo

Growth marketing platform built for online businesses

Media

Media

$679m

103%

Lithic

Making digital payments safer and easier

Finance

Finance

$113m

151%

Lunchbox Technologies

Next generation online ordering for enterprise

Consumer

Consumer

$22m

353%

M1 Finance

Finance app for borrowing, spending, and investing in one place

Consumer

Consumer

$323m

224%

MainStreet

Helping startups & small businesses find crucial savings they may otherwise overlook. 🚀

Finance

Finance

$63m

471%

Mercury

Mercury is building banking for startups

Finance

Finance

$151m

212%

Metropolis

Autonomous commerce platform powering urban mobility

Artificial Intelligence

Artificial Intelligence

$59m

106%

Mmhmm

Virtual rooms for video conferencing calls

Media

Media

$126m

128%

MoonPay

Cryptocurrency payment infrastructure provider

Finance

Finance

$555m

269%

Moonshot Brands

Acquiring and growing e-commerce companies for growth

Finance

Finance

$170m

Unknown

Moveworks

Enterprise-built conversational AI

Artificial Intelligence

Artificial Intelligence

$305m

91%

Multiverse

Accelerating careers through apprenticeships

Education

Education

$194m

90%

Mux

Building the future of online video infrastructure

Productivity

Productivity

$174m

104%

Mythical Games

Helping developers build blockchain-based gaming experiences

Consumer

Consumer

$261m

82%

Nacelle

Composable headless commerce platform

Productivity

Productivity

$73m

267%

nate

Digital assistant that transacts online on behalf of people

Artificial Intelligence

Artificial Intelligence

$47m

74%

Nayya

Simplifying the way employees choose & use benefits

Artificial Intelligence

Artificial Intelligence

$51m

483%

NCX

Carbon offsetting marketplace

Tech for good

Tech for good

$24m

105%

Nearby

Online platform connecting local businesses to customers

Tech for good

Tech for good

$21m

Unknown

Noname Security

API security platform

Security

Security

$85m

628%

Nylas

Productivity APIs for work automation

Consumer

Consumer

$173m

61%

Optimal Dynamics

The decision layer of logistics

Artificial Intelligence

Artificial Intelligence

$22m

200%

Orca Security

Complete cloud security and compliance platform

Security

Security

$632m

206%

Orum.io

Frictionless financial infrastructure

Finance

Finance

$82m

319%

Oyster

HR platform for globally distributed companies

Legal/HR

Legal/HR

$74m

695%

Pacaso

Making second home ownership more accessible

Real Estate

Real Estate

$217m

355%

Papaya Global

Global people and payroll platform

Finance

Finance

$440m

92%

Pave

Employee compensation tools

Legal/HR

Legal/HR

$70m

450%

People.ai

AI platform for sales, marketing, and customer success

Media

Media

$205m

67%

Perch

Technology-driven commerce company for brands

Finance

Finance

$909m

570%

Plaid

Infrastructure and API's to power FinTech

Finance

Finance

$734m

52%

Point Card

A debit card with rewards and benefits

Finance

Finance

$59m

231%

Public.com

A social investing network

Finance

Finance

$310m

172%

Qualified.com

Conversational sales and marketing platform for revenue teams that use Salesforce

Media

Media

$68m

94%

Qualio

Quality management system for life sciences

Productivity

Productivity

$62m

177%

Quit Genius

Helping people to quit addictions

Health and Beauty

Health and Beauty

$77m

123%

R-Zero

Biosafety technology for the modern world

Health and Beauty

Health and Beauty

$57m

286%

r2c

Security-focused code analysis service

Security

Security

$40m

50%

Ramp

Corporate card and spending management software

Finance

Finance

$470m

227%

Rapid Robotics

Providing simple, out-of-the-box robotic machine operators

Hardware

Hardware

$54m

89%

Rec Room

Platform for building and playing games together

Consumer

Consumer

$149m

73%

Reify Health

Tools for the clinical trial ecosystem

Health and Beauty

Health and Beauty

$258m

179%

Replicated

Multi-prem software delivery and management platform

Productivity

Productivity

$85m

203%

Reprise

Software demo platform for sales and marketing teams

Productivity

Productivity

$82m

517%

Revolut

Empowering users towards financial freedom

Finance

Finance

$1720m

27%

Secureframe

Security and compliance software services

Security

Security

$23m

375%

Shopmonkey

All-in-one auto shop management software

Travel and Transportation

Travel and Transportation

$110m

115%

Skydio

Drone manufacturer

Artificial Intelligence

Artificial Intelligence

$341m

70%

Snorkel AI

Data-centric AI platform for enterprise

Artificial Intelligence

Artificial Intelligence

$135m

166%

Spekit

The leading SaaS in-app digital adoption and enablement platform

Education

Education

$15m

143%

SpotOn

Point-of-sale software and payment processing

Finance

Finance

$615m

47%

Sprig

User research and real-time analytics platform

Data

Data

$58m

238%

StarTree

Giving decision-makers data insights

Data

Data

$28m

100%

Stavvy

Paperless and digital solutions for banking & lending

Finance

Finance

$42m

346%

StockX

Streetwear marketplace

Consumer

Consumer

$495m

48%

Streamlit

Platform for building and sharing data apps

Data

Data

$62m

119%

Sundae

Marketplace for distressed residential real estate

Real Estate

Real Estate

$136m

189%

Synctera

Marketplace and platform bringing together fintech and community banks

Finance

Finance

$45m

1312%

Talos Trading

The building blocks for institutional digital asset trading

Finance

Finance

$40m

125%

Tapcart

Building mobile apps for e-commerce sites

Software

Software