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Startup Directory

Andreessen Horowitz Startups

Top startups backed by Andreessen Horowitz with structured founder and funding coverage.

183 companies indexedFunding-first ranking
Safe Superintelligence logoSS
Safe Superintelligence Team

Safe Superintelligence

World's first straight-shot safe superintelligence lab Artificial Intelligence

Last round: Series A Sequoia, Andreessen Horowitz, $1B Series A in 2024

$1.00BSan Francisco Bay Area, California, USA1-10 employees EmployeesHiring: Open Roles
Saronic logoS
Saronic Team
Saronic TeamVerified

Saronic

Designs and manufactures unmanned surface vehicles for maritime security and domain awareness Hardware Defense

Last round: Series C Andreessen Horowitz, $600M Series C in 2025, $4.0B valuation

$600.00MAustin, Texas, USA201-500 employees EmployeesHiring: Open Roles
Ambience Healthcare logoAH
Ambience Healthcare Team

Ambience Healthcare

AI operating system used for documentation, coding, and clinical workflows Artificial Intelligence Healthcare

Last round: Series C Andreessen Horowitz, $243M Series C in 2025

$243.00MSan Francisco Bay Area, California, USA101-200 employees EmployeesHiring: Open Roles
World Labs logoWL
World Labs Team

World Labs

Develops AI models with spatial intelligence for 3D world perception and interaction Artificial Intelligence

Last round: Series A Andreessen Horowitz, $230M Series A in 2024, $1.0B valuation

$230.00MSan Francisco Bay Area, California, USA11-50 employees EmployeesHiring: Open Roles
Apex logoA
Apex Team
Apex TeamVerified

Apex

Manufactures satellite buses tailored for various space missions Space Hardware

Last round: Series C Andreessen Horowitz, $200M Series C in 2025

$200.00MLos Angeles, California, USA101-200 employees EmployeesHiring: Open Roles
Autograph logoA
Autograph Team

Autograph

NFT platform that brings together iconic brands in sports and culture to create unique digital collections. Crypto NFT

Last round: Series B Andreessen Horowitz, Kleiner Perkins, $170M Series B in 2022

$170.00MLos Angeles, California, USA51-100 employees EmployeesHiring: Open Roles
Tennr logoT
Tennr Team
Tennr TeamVerified

Tennr

AI automation platform for medical documents Artificial Intelligence Healthcare

Last round: Series C Andreessen Horowitz, $101M Series C in 2025

$101.00MNew York, New York, USA101-200 employees EmployeesHiring: Open Roles
Hebbia logoH
Hebbia Team
Hebbia TeamVerified

Hebbia

Develops AI agents for financial services firms Artificial Intelligence FinTech

Last round: Series B Andreessen Horowitz, $100M Series B in 2024

$100.00MNew York, New York, USA51-100 employees EmployeesHiring: Open Roles
xAI logoX
xAI Team
xAI TeamVerified

xAI

Accelerate human scientific discovery Artificial Intelligence

Last round: Series B Sequoia, Andreessen Horowitz, $6B Series B in 2024, $24.0B valuation

$6.00BSan Francisco Bay Area, California, USA101-200 employees EmployeesHiring: Open Roles
Flexport logoF
Flexport Team

Flexport

Flexport is a licensed freight forwarder that uses people and software to manage the complexity of international trade. Logistics E-Commerce Freight Supply Chain

Last round: Series E Andreessen Horowitz, Founders Fund, Y Combinator, $935M Series E in 2022, $8.0B valuation

$935.00MSan Francisco Bay Area, California, USA1001-5000 employees EmployeesHiring: Open Roles
Adaptive Security logoAS
3x Founders, previously Attentive ($7B) and TapCommerce (acq by Twitter)

Adaptive Security

Protecting companies from AI-powered attacks Artificial Intelligence Cybersecurity Enterprise Software

Last round: Series B Andreessen Horowitz, OpenAI, NVIDIA, Bain Capital Ventures, $81M Series B in 2025

$81.00MNew York, New York, USA101-200 employees EmployeesHiring: Open Roles
Story Protocol logoSP
Story Protocol Team

Story Protocol

Creator of web3 technology that aims to change the way narrative universes are formed Crypto

Last round: Series B Andreessen Horowitz, $80M Series B in 2024

$80.00MRemote11-50 employees EmployeesHiring: Open Roles
Nansen logoN
Nansen Team
Nansen TeamVerified

Nansen

Nansen is a blockchain analytics platform for crypto professionals and investors. Analytics Crypto Blockchain

Last round: Series B Andreessen Horowitz, Accel, $75M Series B in 2021

$75.00MSingapore, Singapore11-50 employees EmployeesHiring: Open Roles
Reddit logoR
Reddit Team
Reddit TeamVerified

Reddit

Reddit is an online platform that enables users to submit links, create content, and have discussions about the topics of their interest. Consumer Social Media Communities

Last round: Series F Sequoia, Andreessen Horowitz, $700M Series F in 2021, $10.0B valuation

$700.00MSan Francisco Bay Area, California, USA1001-5000 employees EmployeesHiring: Open Roles
Captions logoC
Captions Team

Captions

AI-powered creative studio Artificial Intelligence SaaS

Last round: Series C Sequoia, Kleiner Perkins, Andreessen Horowitz, $60M Series C in 2024, $500M valuation

$60.00MNew York, New York, USA101-200 employees EmployeesHiring: Open Roles
Patch logoP
Patch Team
Patch TeamVerified

Patch

Powering climate action by making the purchase of carbon credits and neutralizing emissions as easy as clicking a button Sustainability Renewable Energies Enterprise Software

Last round: Series B Andreessen Horowitz, $55M Series B in 2022

$55.00MSan Francisco Bay Area, California, USA51-100 employees EmployeesHiring: Open Roles
Graphite logoG
Graphite Team

Graphite

AI code review platform which helps developers create, review and merge changes faster. Artificial Intelligence SaaS Enterprise Software

Last round: Series B Andreessen Horowitz, Accel, $52M Series B in 2025

$52.00MNew York, New York, USA11-50 employees EmployeesHiring: Open Roles
Metronome logoM
Metronome Team

Metronome

Launch products faster, offer any pricing model, and streamline finance workflows SaaS Enterprise Software

Last round: Series C Andreessen Horowitz, $50M Series C in 2025

$50.00MRemote11-50 employees EmployeesHiring: Open Roles
ROME Therapeutics logoRT
ROME Therapeutics Team

ROME Therapeutics

ROME Therapeutics is developing novel therapies for cancer and autoimmune diseases by harnessing the power of the repeatome. Biotech Healthcare Pharmaceuticals

Last round: Series B Andreessen Horowitz, $50M Series B in 2021, $70M valuation

$50.00MBoston, Massachusetts, USA11-50 employees EmployeesHiring: Open Roles
Plaid logoP
Plaid Team
Plaid TeamVerified

Plaid

Plaid is focused on democratizing financial services through technology. FinTech API

Last round: Series D Andreessen Horowitz, $425M Series D in 2020, $13.4B valuation

$425.00MSan Francisco Bay Area, California, USA501-1000 employees EmployeesHiring: Open Roles
Mistral AI logoMA
Mistral AI Team

Mistral AI

Developing open-weight models that are on par with proprietary solutions Artificial Intelligence

Last round: Series A Andreessen Horowitz, $415M Series A in 2023, $2.0B valuation

$415.00MParis, France11-50 employees EmployeesHiring: Open Roles
OpenRouter logoO
OpenRouter Team

OpenRouter

Platform that connects AI applications with LLMs and cloud hosting providers Artificial Intelligence

Last round: Series A Sequoia, Andreessen Horowitz, $40M Series A in 2025

$40.00MRemote1-10 employees EmployeesHiring: Open Roles
Socket logoS
Socket Team
Socket TeamVerified

Socket

Socket is a developer-first security platform that protects your most critical apps from software supply chain attacks SaaS Cybersecurity

Last round: Series B Andreessen Horowitz, $40M Series B in 2024

$40.00MRemote11-50 employees EmployeesHiring: Open Roles
insitro logoI
insitro Team
insitro TeamVerified

insitro

Insitro is a drug discovery and development startup that utilizes machine learning and biology to transform drug discovery. Biotech Healthcare

Last round: Series C Andreessen Horowitz, $400M Series C in 2021

$400.00MSan Francisco Bay Area, California, USA101-200 employees EmployeesHiring: Open Roles
ClickUp logoC
ClickUp Team
ClickUp TeamVerified

ClickUp

ClickUp offers a customizable workplace productivity platform that serves all departments across an organization. SaaS Enterprise Software Productivity Tools

Last round: Series C Andreessen Horowitz, $400M Series C in 2021, $4.0B valuation

$400.00MSan Diego, California, USA501-1000 employees EmployeesHiring: Open Roles
Thatch logoT
Thatch Team
Thatch TeamVerified

Thatch

Helps startups give great healthcare to their teams Healthcare Artificial Intelligence

Last round: Series A Andreessen Horowitz, $38M Series A in 2024

$38.00MRemote11-50 employees EmployeesHiring: Open Roles
Anchorage logoA
Anchorage Team

Anchorage

Anchorage is a digital asset platform offering custody, trading, and financing services, as well as staking and governance. FinTech Crypto

Last round: Series D Khosla Ventures, Andreessen Horowitz, $350M Series D in 2021, $3.0B valuation

$350.00MSan Francisco Bay Area, California, USA201-500 employees EmployeesHiring: Open Roles
Spruce Systems logoSS
Spruce Systems Team

Spruce Systems

Building the most secure developer tools to share authentic data Crypto Blockchain Analytics

Last round: Series A Andreessen Horowitz, Y Combinator, $34M Series A in 2022

$34.00MRemote11-50 employees EmployeesHiring: Open Roles
Solana logoS
Solana Team
Solana TeamVerified

Solana

Solana builds and develops crypto apps for decentralized apps and marketplaces. Crypto FinTech Blockchain

Last round: Series A Andreessen Horowitz, $314M Series A in 2021

$314.00MSan Francisco Bay Area, California, USA101-200 employees EmployeesHiring: Open Roles
Slingshot AI logoSA
Slingshot AI Team

Slingshot AI

Use AI to make mental healthcare more accessible Artificial Intelligence Healthcare

Last round: Seed Andreessen Horowitz, $30M Seed in 2024

$30.00MNew York, New York, USA11-50 employees EmployeesHiring: Open Roles
Vesta logoV
Vesta Team
Vesta TeamVerified

Vesta

Builds modern mortgage infrastructure stack SaaS Mortgage

Last round: Series A Andreessen Horowitz, $30M Series A in 2022

$30.00MSan Francisco Bay Area, California, USA11-50 employees EmployeesHiring: Open Roles
Mysten Labs logoML
Mysten Labs Team

Mysten Labs

Mysten Labs creates foundational infrastructure to accelerate the adoption of web3. Crypto Developer Tools

Last round: Series B Andreessen Horowitz, $300M Series B in 2022, $2.0B valuation

$300.00MRemote51-100 employees EmployeesHiring: Open Roles
Faraway logoF
Faraway Team
Faraway TeamVerified

Faraway

Faraway makes hyper-social blockchain games with player-driven economies. Crypto Blockchain Gaming Consumer

Last round: Series A Sequoia, Andreessen Horowitz, $29M Series A in 2021

$29.00MMiami, Florida, USA11-50 employees EmployeesHiring: Open Roles
CoinSwitch logoC
CoinSwitch Team

CoinSwitch

CoinSwitch is a cryptocurrency exchange platform Crypto Trading

Last round: Series C Andreessen Horowitz, $260M Series C in 2021, $1.9B valuation

$260.00MBangalore, India101-200 employees EmployeesHiring: Open Roles
Stainless logoS
Stainless Team

Stainless

Stainless is building the platform for high-quality, easy-to-use APIs SaaS Enterprise Software

Last round: Series A Andreessen Horowitz, Sequoia, $25M Series A in 2024

$25.00MNew York, New York, USA11-50 employees EmployeesHiring: Open Roles
Shield AI logoSA
Shield AI Team

Shield AI

Develop AI products for the protection of service members and civilians Robotics Hardware Artificial Intelligence

Last round: Series F Andreessen Horowitz, $240M Series F in 2025, $5.3B valuation

$240.00MSan Diego, California, USA201-500 employees EmployeesHiring: Open Roles
Workboard logoW
Workboard Team

Workboard

Workboard provides an enterprise results management platform designed to automate business reviews. Enterprise Software SaaS

Last round: Series C Andreessen Horowitz, $230M Series C in 2021, $800M valuation

$230.00MSan Francisco Bay Area, California, USA201-500 employees EmployeesHiring: Open Roles
Everlaw logoE
Everlaw Team
Everlaw TeamVerified

Everlaw

Everlaw offers a platform for document analysis to law firms, government, and corporations. Document Management Legal Tech

Last round: Series D Andreessen Horowitz, $202M Series D in 2021, $2.0B valuation

$202.00MSan Francisco Bay Area, California, USA201-500 employees EmployeesHiring: Open Roles
Maven logoM
Maven Team
Maven TeamVerified

Maven

Maven is a startup that helps professionals teach cohort-based classes. EdTech

Last round: Series A Andreessen Horowitz, $20M Series A in 2021

$20.00MRemote11-50 employees EmployeesHiring: Open Roles
Base Power logoBP
Base Power Team

Base Power

Specializes in residential backup battery systems and electricity plans Hardware

Last round: Series B Andreessen Horowitz, $200M Series B in 2025

$200.00MAustin, Texas, USA101-200 employees EmployeesHiring: Open Roles
Matter Labs logoML
Matter Labs Team

Matter Labs

Accelerate the mass adoption of public blockchains Crypto FinTech Blockchain

Last round: Series C Andreessen Horowitz, $200M Series C in 2022

$200.00MBerlin, Germany51-100 employees EmployeesHiring: Open Roles
Deel logoD
Deel Team
Deel TeamVerified

Deel

Deel is a payroll and compliance platform for international employees and contractors. FinTech Human Resources Enterprise Software

Last round: Series D Andreessen Horowitz, Y Combinator, $200M Series D in 2021, $5.5B valuation

$200.00MSan Francisco Bay Area, California, USA501-1000 employees EmployeesHiring: Open Roles
Alchemy logoA
Alchemy Team
Alchemy TeamVerified

Alchemy

Building tooling and infra for developers to build reliable decentralized applications, like the AWS of blockchain Developer Platform Blockchain Crypto

Last round: Series C Andreessen Horowitz, $200M Series C in 2022, $10.2B valuation

$200.00MSan Francisco Bay Area, California, USA51-100 employees EmployeesHiring: Open Roles
Cedar logoC
Cedar Team
Cedar TeamVerified

Cedar

Cedar is a patient payment and engagement platform for hospitals, health systems, and medical groups that elevates the patient experience. Healthcare

Last round: Series D Andreessen Horowitz, Founders Fund, $200M Series D in 2021, $3.2B valuation

$200.00MNew York, New York, USA201-500 employees EmployeesHiring: Open Roles
Astranis logoA
Astranis Team

Astranis

Astranis is a space startup that builds small and low-cost telecommunications satellites to provide internet access in remote regions. Space Hardware

Last round: Series D Andreessen Horowitz, Y Combinator, $200M Series D in 2024, $1.4B valuation

$200.00MSan Francisco Bay Area, California, USA201-500 employees EmployeesHiring: Open Roles
Figma logoF
Figma Team
Figma TeamVerified

Figma

Figma is a design platform for teams who build products together. Design Collaboration SaaS

Last round: Series E Sequoia, Andreessen Horowitz, Kleiner Perkins, Founders Fund, $200M Series E in 2021, $10.0B valuation

$200.00MSan Francisco Bay Area, California, USA501-1000 employees EmployeesHiring: Open Roles
Kong logoK
Kong Team
Kong TeamVerified

Kong

Kong offers the industry-leading service connectivity platform designed for modern architectures. Enterprise Software SaaS

Last round: Series E Andreessen Horowitz, $175M Series E in 2024, $2.0B valuation

$175.00MSan Francisco Bay Area, California, USA201-500 employees EmployeesHiring: Open Roles
Dialpad logoD
Dialpad Team
Dialpad TeamVerified

Dialpad

Dialpad is an AI-powered communications platform that turns conversations into opportunities and helps teams make smart calls. SaaS Artificial Intelligence Call Center

Last round: Series F Andreessen Horowitz, $170M Series F in 2021, $2.2B valuation

$170.00MSan Francisco Bay Area, California, USA501-1000 employees EmployeesHiring: Open Roles
Mux logoM
Mux Team
Mux TeamVerified

Mux

Mux is a video platform designed to make video streaming and analytics possible for every development team. Video Streaming SaaS Analytics

Last round: Series D Andreessen Horowitz, Y Combinator, Accel, $154M Series D in 2021, $1.0B valuation

$154.00MSan Francisco Bay Area, California, USA101-200 employees EmployeesHiring: Open Roles
Clerk logoC
Clerk Team
Clerk TeamVerified

Clerk

Complete user management. Add sign up, sign in, and profile management to your application in minutes SaaS Developer Tools Enterprise Software

Last round: Series A Andreessen Horowitz, $15M Series A in 2023

$15.00MRemote11-50 employees EmployeesHiring: Open Roles
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