Startup Directory
Andreessen Horowitz Startups
Research Andreessen Horowitz-backed startups with structured founder, funding, sector, location, and company intelligence from 100Xfounder.
Research Brief
How to read Andreessen Horowitz-backed startups
Investor-backed startup pages are useful when they show portfolio themes, not just names. This page groups companies associated with Andreessen Horowitz and connects them to funding stage, sector, location, founder, and hiring signals. The stronger the data around each company, the easier it becomes to understand whether the investor has a pattern in AI, SaaS, fintech, consumer, infrastructure, or other markets.
Andreessen Horowitz portfolio signal context
Andreessen Horowitz-backed startup discovery should reveal what kind of company formation is happening around the investor. This page currently tracks 253 indexed companies. When combined with the startup directory, founder profiles, and funding-round hubs, it helps readers identify repeatable investor theses and compare companies across related categories.
SSSafe Superintelligence
World's first straight-shot safe superintelligence lab Artificial Intelligence
Last round: Series A Sequoia, Andreessen Horowitz, $1B Series A in 2024
SSaronic
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
AHAmbience 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
WLWorld 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
AApex
Manufactures satellite buses tailored for various space missions Space Hardware
Last round: Series C Andreessen Horowitz, $200M Series C in 2025
AAutograph
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
TTennr
AI automation platform for medical documents Artificial Intelligence Healthcare
Last round: Series C Andreessen Horowitz, $101M Series C in 2025
HHebbia
Develops AI agents for financial services firms Artificial Intelligence FinTech
Last round: Series B Andreessen Horowitz, $100M Series B in 2024
XxAI
Accelerate human scientific discovery Artificial Intelligence
Last round: Series B Sequoia, Andreessen Horowitz, $6B Series B in 2024, $24.0B valuation
FFlexport
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
ASAdaptive 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
SPStory 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
NNansen
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
RReddit 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
CCaptions
AI-powered creative studio Artificial Intelligence SaaS
Last round: Series C Sequoia, Kleiner Perkins, Andreessen Horowitz, $60M Series C in 2024, $500M valuation
PPatch
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
GGraphite
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
MMetronome
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
RTROME 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
PPlaid
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
MAMistral 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
OOpenRouter
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
SSocket
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
Iinsitro
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
CClickUp
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
TThatch
Helps startups give great healthcare to their teams Healthcare Artificial Intelligence
Last round: Series A Andreessen Horowitz, $38M Series A in 2024
AAnchorage
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
SSSpruce 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
SSolana
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
SASlingshot AI
Use AI to make mental healthcare more accessible Artificial Intelligence Healthcare
Last round: Seed Andreessen Horowitz, $30M Seed in 2024
VVesta
Builds modern mortgage infrastructure stack SaaS Mortgage
Last round: Series A Andreessen Horowitz, $30M Series A in 2022
MLMysten 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
FFaraway
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
CCoinSwitch
CoinSwitch is a cryptocurrency exchange platform Crypto Trading
Last round: Series C Andreessen Horowitz, $260M Series C in 2021, $1.9B valuation
SStainless
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
SAShield 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
WWorkboard
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
EEverlaw
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
MMaven
Maven is a startup that helps professionals teach cohort-based classes. EdTech
Last round: Series A Andreessen Horowitz, $20M Series A in 2021
BPBase Power
Specializes in residential backup battery systems and electricity plans Hardware
Last round: Series B Andreessen Horowitz, $200M Series B in 2025
MLMatter Labs
Accelerate the mass adoption of public blockchains Crypto FinTech Blockchain
Last round: Series C Andreessen Horowitz, $200M Series C in 2022
DDeel
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
AAlchemy
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
CCedar
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
AAstranis
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
FFigma
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
KKong
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
DDialpad
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
MMux
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
CClerk
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
Related Startup Pages
Internal Research Paths
Continue research from this page
FAQ
Questions about Andreessen Horowitz startups
What is this Andreessen Horowitz startup page?
It is a 100Xfounder directory page for Andreessen Horowitz-backed startups, combining company profiles, founder context, funding signals, hiring indicators, and internal links into related market pages. 253 companies are currently included in this view.
How are Andreessen Horowitz-backed startups selected?
The page uses structured 100Xfounder company and founder data, then groups profiles by investor. Ordering favors stronger funding, verified company context, founder detail, hiring signals, and useful internal research paths.
How complete is this market page?
This page currently has enough company depth for a full public market brief and inclusion in discovery feeds.
Where should I go next after this Andreessen Horowitz list?
Use related founder profiles, company pages, funding-round pages, country hubs, startup jobs, salary-equity pages, and newsroom coverage to understand the broader market context around these companies.
Connected Pillar Routes
Continue discovery through country, industry, stage, funding, and newsroom hubs.