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All startups in San Francisco

3,404 companies · page 11 of 35

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H

HyreCar

San Francisco

HyreCar is a carsharing marketplace that is powering the gig economy. Using the HyreCar platform, drivers who need vehicles for rideshare and other gig work are able to connect with owners and fleet operators who have vehicles to rent. By providing drivers with access to vehicles and owners with access to demand, HyreCar empowers both sides of the marketplace to participate in and benefit from the growing gig economy.

Internet Marketplace PlatformsEst. 2014
TA

Tempo Automation

San Francisco

Tempo Automation is transforming the way companies innovate and bring new electronic products to market. Our breakthrough, software-automated PCBA manufacturing platform delivers unprecedented speed, quality and transparency at the most critical time in a product’s lifecycle – prototype through new product introduction – when fast iteration and time to market are imperatives. Customers who count on Tempo Automation for this strategic advantage include the leading innovators in aerospace, medical technology, semiconductor, industrial technology, automotive and other key industries.

Appliances, Electrical, and Electronics ManufacturingPublicEst. 2013
CleverTap

CleverTap

San Francisco

CleverTap is the leading all-in-one customer engagement platform that helps brands unlock limitless customer lifetime value. CleverTap is trusted by over 2000 brands like Decathlon, Domino’s, Levis, Jio, Emirates NBD, Puma, Croma (A Tata Enterprise), Swiggy, SonyLIV, Axis Bank, AirAsia, TD Bank, Ooredoo, and Tesco to help build personalized experiences for all their customers. The platform is powered by TesseractDB™ – the world’s first purpose-built database for customer engagement, offering speed and cost efficiency at scale. Backed by top-tier investors such as Accel, Peak XV Partners, Tiger Global, CDPQ and 360 One, the company is headquartered in San Francisco, with presence across Seattle, London, São Paulo, Bogota, Mexico, Amsterdam, Dubai, Mumbai, Bangalore, Singapore, Vietnam, and Jakarta. For more information, visit clevertap.com and follow us on: LinkedIn: https://www.linkedin.com/company/clevertap/ X: https://twitter.com/CleverTap Facebook: https://www.facebook.com/clevertap Instagram: https://www.instagram.com/clevertapofficial/ Threads: https://www.threads.net/@clevertapofficial

Technology, Information and InternetSeries DEst. 2013
V

Vessel

San Francisco

Our team is full of people who are unusually passionate about media and all that it can be. We started Vessel because we saw that the audiences so coveted by traditional TV were gravitating toward a new generation of digital storytellers. We are building the premier platform to recognize and foster this explosion of new, talented voices. We have assembled a unique and talented team, with strong experience building and innovating at places like Hulu, Netflix and Amazon. Bringing positive change on this level won’t be easy, and we recognize that it won’t happen overnight. However, we have great conviction that we can help the internet deliver on its potential for consumers and creators. Our investors, led by Benchmark, Greylock Partners, and Bezos Expeditions (the personal investment company of Jeff Bezos), are world class and gifted builders. To have such an amazing group put their faith in us is energizing and humbling. Learn more about Vessel and our mission at www.vessel.com/blog. See our job openings at www.vessel.com/careers.

Technology, Information and InternetSeries BEst. 2013
HoneyBook

HoneyBook

San Francisco

HoneyBook is the leading AI-powered business management platform for small business owners. Designed to bring speed, clarity, and confidence to daily operations, the platform supports everything from capturing leads to managing client communication, contracts, and payments. With AI embedded throughout, members benefit from actionable insights and automation that streamline work and unlock growth. Since its founding in 2013, HoneyBook has powered over 25 million client relationships and processed more than $12 billion in transactions, helping independent businesses grow faster and smarter. If you are looking for a values-driven, fast-paced, and intellectually charged environment, HoneyBook is the right place for you. Join us, we're hiring!

Software DevelopmentSeries EEst. 2013
Zignal Labs

Zignal Labs

San Francisco

Zignal Labs’ real-time intelligence technology helps the world’s largest organizations protect their people, places, and position. Zignal’s AI-powered platform analyzes billions of data points in real time, accelerating mission critical decision making by empowering leaders with contextual situational awareness of the information environment.

Software DevelopmentEst. 2011
Kaizen Ad

Kaizen Ad

San Francisco

Kaizen Ad delivers the highest-quality video ad creative including 2D, 3D, user-generated content (UGC), influencer content, playables and more. As an extension of your creative team, we work tirelessly to deliver the freshest and most engaging video ads with faster turnaround times, ensuring real outcomes for our clients. Kaizen creative managers offer support at every stage, including quality assurance and asset creation. Trust Kaizen Ad to help you elevate your video advertising and take your brand to new heights.

Advertising ServicesEst. 2013
Gusto

Gusto

San Francisco

Our mission is to grow the small business economy 🤝 Trusted by 400K+ businesses with HR, payroll, benefits, 401(k)s, and more. Licensing details: https://gusto.com/about/licenses

Software DevelopmentSeries AEst. 2011Hiring fast
Tidio

Tidio

San Francisco

Tidio is a global leader in customer service software. Tidio’s user-friendly platform enables 300,000+ businesses worldwide to deliver smarter, faster support to their customers. With a full suite of customer service solutions, Tidio offers live chat, chatbots, ticketing, and AI-powered virtual support agents to help you solve customer problems and improve your conversion rates. Tidio’s software operates across all major content management systems, e-commerce platforms, and social media channels. Founded in 2013, Tidio has grown to 180+ employees and has offices in San Francisco, Szczecin, and Warsaw. Tidio serves customers of all sizes from 205+ countries, including Mercedes, Shell, and Praktiker. Tidio’s live chat widget is viewed by 510 million unique users every month. Visit www.tidio.com to learn more. Visit careers.tidio.com if you want to join our team.

Technology, Information and InternetSeries BEst. 2013
FibroGen

FibroGen

San Francisco

We are committed to discovering, developing, and commercializing a pipeline of first-in-class therapeutics to change the lives of people globally. We are also committed to being a place where our people and science thrive. Using our pioneering expertise in connective tissue growth factor (CGTF) and hypoxia-inducible factor (HIF) biology and clinical development, we hope to make a difference for people with unmet medical needs, including anemia, fibrotic disease and cancer. Pamrevlumab, an anti-CTGF human monoclonal antibody, is currently in clinical development for the treatment of locally advanced unresectable pancreatic cancer, and Duchenne muscular dystrophy. Roxadustat, an oral medication, is the first in a new class of medicines comprising HIF-PH inhibitors and is approved in China, Europe, Japan, and numerous other countries for the treatment of anemia of chronic kidney disease. We have recently expanded our research and development portfolio to include product candidates in the immuno-oncology and autoimmune space. Want to learn more? Visit https://www.fibrogen.com/our-culture. Please be aware that the FBI recently issued a warning about an increased number of fake job postings for remote work employment that target applicants' personally identifiable information. All approved FibroGen positions are only accessible via the FibroGen Careers page at www.fibrogen.com/careers.

Biotechnology ResearchPublicEst. 1993
Clarify Health Solutions

Clarify Health Solutions

San Francisco

Clarify Health Solutions® unlocks valuable insights making complex care decisions easier for providers, payers, tech and services organizations, and life science companies. The Clarify Atlas Platform® forms the foundation to stack the building blocks necessary to grow topline, contain costs, guide care, and more. Powered by the industry’s largest and most robust dataset of over 300 million lives and more than 20 billion AI-powered predictions, Clarify’s offerings deliver actionable insights with unparalleled speed and actionability.

Software DevelopmentSeries DEst. 2015
TW

Thomas Weisel Partners

San Francisco

Thomas Weisel Partners specializes in the growth sectors of the economy, with deep domain expertise in Consumer, Energy, Healthcare, Internet, Media & Telecom, Metals & Mining, and Technology. Our Investment Banking, Brokerage and Equity Research divisions serve emerging growth companies and institutional investors worldwide. Thomas Weisel Asset Management offers a variety of U.S. equity investment products, distribution management services, and private equity and venture capital funds.

Investment BankingEst. 1998
Quantcast

Quantcast

San Francisco

Quantcast is the AI-powered ad platform built for performance marketers. Leveraging nearly 20 years of expertise, our mission is to radically simplify open internet advertising. We harness AI and machine learning to deliver superior audience intelligence and drive exceptional campaign performance. With real-time audience intelligence, end-to-end workflow simplicity, and future-proof cookieless reach, Quantcast helps advertisers and agencies of all sizes understand audiences deeply, act faster, and turn ad spend into measurable growth.

Technology, Information and InternetSeries CEst. 2006Hiring fast
R

RPX

San Francisco

RPX Corporation is the leading provider of patent risk solutions, offering defensive buying, acquisition syndication, patent intelligence, and advisory services. Since its founding in 2008, RPX has introduced efficiency to the patent market by providing a rational alternative to litigation. The San Francisco-based company's pioneering approach combines principal capital, deep patent expertise, and client contributions to generate enhanced patent buying power. By acquiring patents and patent rights, RPX helps to mitigate and manage patent risk for its growing client network. As of April 1, 2025, RPX has invested over $4.5B to acquire rights to 250K+ US and international patent assets on behalf of more than 250 members in eight key sectors: automotive, consumer electronics and PCs, e-commerce and software, financial services, media content and distribution, mobile communications and devices, networking, and semiconductors.

Financial ServicesSeries BEst. 2008
S

Shyp

San Francisco

Shyp is reimagining what it means for businesses and individuals to ship things around the world. No more standing in line, no more wrestling with cardboard — we come to your door to pick up, package, and ship your stuff at the lowest available price. With a combination of innovative technology, finely-tuned operations, and a passion for designing delightful experiences, we’re here to save you time and money on every shipment. Join the team and discover why Shyp was named one of Fast Company’s 50 Most Innovative Companies in the world.

Freight and Package TransportationSeries BEst. 2013
S

SightCall

San Francisco

SightCall VISION is the only software platform that gives enterprise service organizations the power to See, Analyze, Guide and Report at the moment of service. Agents, customers, technicians and remote experts can use SightCall VISION to visually solve real-world service problems, using a combination of augmented reality (AR), video assistance, and multimodal generative AI-enhanced computer vision in a unified platform. SightCall is an innovative global leader in Visual Assistance and enterprise service efficiency. Founded in 2008, SightCall has received accolades for its innovations, ranking in the Inc. 5000 Class of 2023 as one of the fastest-growing software companies in the U.S. The company has headquarters in San Francisco, California and Paris, France.

Software DevelopmentSeries BEst. 2008
Hamilton Families

Hamilton Families

San Francisco

Since 1985, Hamilton Families has been helping families with children move beyond homelessness. Today we are one of San Francisco's leading nonprofit service providers to families experiencing homelessness. HF Shelter in the Tenderloin provides safe shelter, three meals a day and critical social services for up to 60 families per night for up to six months. HF Transitional Housing houses and supports up to 20 families per night at high risk for chronic homelessness for 6 to 18 months. Families receive intensive social services to identify and address factors contributing to their homelessness. HF Housing Services prevents homelessness whenever possible and assists families currently experiencing homelessness with housing search assistance, temporary rent assistance, case management, job search and other services for up to 18 months to help them find and retain a permanent home.

Non-profit OrganizationsEst. 1985
Project Open Hand

Project Open Hand

San Francisco

Project Open Hand’s mission is to improve health outcomes and quality of life by providing nutritious meals to the sick and vulnerable, caring for and educating our community. Every day, we prepare 2,500 nutritious meals and provide 200 bags of healthy groceries to help sustain our clients as they battle serious illnesses, isolation, or the health challenges of aging. We serve San Francisco and Oakland, engaging more than 125 volunteers. Every day, thousands of people in the Bay Area are battling serious, life-threatening illnesses. And every day, Project Open Hand is there for them – providing healthy, nourishing meals with love. Accessing healthy food is critical for people who are too sick or frail to shop and cook for themselves. We also provide hot, nutritious meals for seniors to help them tackle the health challenges of old age. Good nutrition enables our clients to better manage the symptoms of disease, mitigate the side effects of treatment, and can speed recovery. Our registered dietitian supports and counsels our clients to help them feel better by eating right. In addition to providing life-sustaining food to our clients, Project Open Hand nourishes our entire community by engaging thousands of volunteers and donors, as well as dozens of local companies, in the important work of feeding neighbors in need.

Health, Wellness & FitnessEst. 1985
Databricks

Databricks

San Francisco

Databricks is the Data and AI company. More than 20,000 organizations worldwide — including adidas, AT&T, Bayer, Block, Mastercard, Rivian, Unilever, and over 60% of the Fortune 500 — rely on Databricks to build and scale data and AI apps, analytics and agents. Headquartered in San Francisco with 30+ offices around the globe, Databricks offers a unified Data Intelligence Platform that includes Agent Bricks, Lakeflow, Lakehouse, Lakebase and Unity Catalog. --- Databricks applicants Please apply through our official Careers page at databricks.com/company/careers. All official communication from Databricks will come from email addresses ending with @databricks.com or @goodtime.io (our meeting tool).

DataEst. 2013Hiring fast
Twilio

Twilio

San Francisco

Today's leading companies trust Twilio's Customer Engagement Platform (CEP) to build direct, personalized relationships with their customers everywhere in the world. Twilio enables companies to use communications and data to add intelligence and security to every step of the customer journey, from sales to marketing to growth, customer service and many more engagement use cases in a flexible, programmatic way. Across 180 countries, millions of developers and hundreds of thousands of businesses use Twilio to create magical experiences for their customers.

CommunicationsPublicEst. 2008Hiring fast
Uber

Uber

San Francisco

Uber operates a global technology platform that connects riders with drivers for on-demand transportation, powered by a scalable network of independent drivers and delivery partners to extend its reach, offering real-time mobility and food

Internet Marketplace PlatformsPublic
Phind

Phind

San Francisco

Phind reinvents AI search with rich, interactive answers. Based in San Francisco with a small team, led by co-founder and CEO Michael Royzen, a UT Austin Turing Scholar ’22 with prior NLP and ML roles at Lyft, Cloudflare and Microsoft.

AI/ML
Spellbrush

Spellbrush

San Francisco

Spellbrush positions itself as the world's leading generative AI studio and creator of niji・journey project, develops anime-style games with balanced gameplay and a strong focus on visual arts, and researches AI-assisted artistry in videoga

Computer Games and Gaming
Floot

Floot

San Francisco

Floot builds an AI-first software foundation enabling non-coders to build and deploy full-stack web apps. It grew to 600+ customers after Y Combinator and features founders from Retool and AWS, with a CTO who bootstrapped a SaaS to $5M+ ARR

SaaS
Sample

Sample

San Francisco

Sample Healthcare is a profitable San Francisco-based healthcare AI company backed by notable investors including Kulveer Taggar, Zack Kanter, Homebrew Ventures, Y Combinator, and alumni from Retool, Stripe, Ambience Healthcare, and Watersh

HealthTech
Givefront

Givefront

San Francisco

Givefront provides financial infrastructure for nonprofits, enabling automatic compliance and precise tracking of every dollar, backed by Y Combinator in Winter 2024. Harvard CS and statistics graduate Matt Tengtrakool founded the company,

FinTech
Reprompt

Reprompt

San Francisco

Reprompt builds AI Agents for location-based mapping, helping Radar and TomTom keep maps current with live POI data. It runs an AI agents platform (Web, Vision, Doc Reading; upcoming self-driving browser agents) led by Mapbox, Facebook, and

SaaSPre Seed
Baseten

Baseten

San Francisco

Baseten is an AI infrastructure platform that provides tooling, expertise, and hardware to bring AI products to market quickly, featuring a proprietary Inference Stack, global availability, and 99.99% uptime, underscoring a focus on high-pe

AI/MLSeries E
14.ai

14.ai

San Francisco

14.ai, founded by Michael Fester and Marie Schneegans, builds customer support solutions for 1000x teams; backed by Y Combinator and SV Angel, with backers including founders from Vercel, Slack, Dropbox, and Algolia, and Fester previously c

SaaS
SyntheticFi

SyntheticFi

San Francisco

SyntheticFi, a YCombinator-funded startup based in San Francisco, offers a platform that manages regulatory assets under management, disrupting legacy banks. It has surpassed $150 million in regulatory assets under management, with hundreds

FinTechPre Seed
Middleware

Middleware

San Francisco

Middleware is a fast-growing San Francisco-based startup backed by a tier-1 investor, delivering insights and visibility into complex systems for B2B software and services infrastructure. Led by founder-CEO Laduram Vishnoi, who previously b

SaaS
Capy

Capy

San Francisco

Scout is an AI-native software engineering agent that operates asynchronously on its own VM and tackles long-horizon tasks on large codebases.

SaaS
Relace

Relace

San Francisco

Relace focuses on models and infrastructure for coding agents, defining its core offerings around coding-agent technology.

AI/ML
Stacksync

Stacksync

San Francisco

Stacksync provides real-time, two-way data synchronization between CRMs and databases, serving engineers and RevOps teams. Founded by Ruben Burdin and Alexis Favre, the company focuses on data movement and enterprise integration.

SaaSPre Seed
Julius

Julius

San Francisco

Julius is San Francisco AI lab aiming to enable one billion people to become software creators. It writes 1 million lines of code every 36 hours and generates 3 million visualizations for more than 1 million users.

AI/MLPre Seed
1stCollab

1stCollab

San Francisco

1stCollab is an AI-powered influencer marketing platform whose founder team previously helped scale Pinterest. YC W23 seed-stage startup backed by Y Combinator, it connects thousands of creators with top brands, delivering campaigns in hour

Advertising ServicesSeed
R-Zero

R-Zero

San Francisco

R-Zero offers smart building technology with a connected, easy-to-use, secure, scalable platform that aims to boost workforce productivity, forecast real estate needs, and drive operational efficiencies.

SaaSSeries C
Relari

Relari

San Francisco

Relari is building infrastructure for trustworthy AI agents in the Software 3.0 era, behind Nuvi.dev, and has developed open-source frameworks Agent Contract and continuous-eval to help ensure AI systems behave as intended.

AI/MLPre Seed
Openlayer

Openlayer

San Francisco

Openlayer, founded by three former Siri engineers, builds sustainable, high-performing, ethical machine learning for enterprise clients; backed by Y Combinator and investors from Instagram, Voyage, Instacart, Sendbird, and Mercury, and work

AI/MLSeries A
Berry

Berry

San Francisco

Berry is a Y Combinator-backed startup serving SaaS companies worldwide. Led by co-founder and Chief Product Officer Ann Chan and founder Yan Fu, a former startup CTO, Berry scales services for SaaS firms using React, TypeScript, Python, RE

SaaSSeed
Lucid

Lucid

San Francisco

Lucid is a small team building real-time interactive video models, whose work is described as sparking joy, and it seeks an engineer to build the infrastructure enabling real-time video generation at scale across cloud and bare metal enviro

AI/ML
PgDog

PgDog

San Francisco

PgDog builds scaling tools for PostgreSQL, including load balancing and sharding, aiming to make PostgreSQL the database you’ll need. The Rust-based platform shows compatibility with integration tests across 7+ languages and Postgres driver

SaaSSeed
Mercoa

Mercoa

San Francisco

Mercoa is an embedded B2B payments platform that enables B2B fintechs to add BillPay and Accounts Payable to their products, serving accounting firms, neobanks, and vertical SaaS across construction, e-commerce, and home services.

FinTechPre Seed
OpenFunnel

OpenFunnel

San Francisco

OpenFunnel is a time-aware search engine for GTM teams that surfaces insights from time-based signals, delivering daily actionable findings. Trusted by over 1,000 users (including Central, Mintlify, and Everest Systems), it reveals pain poi

SaaSPre Seed
Modern Treasury

Modern Treasury

San Francisco

Modern Treasury builds payments operations solutions, focusing on payment operations as core to business. Described as a lean team, this positions the company as a focused provider in the payments operations space for businesses.

FinTechSeries C
Candle

Candle

San Francisco

Candle operates a consumer app that improves communication for Gen Z couples and aims to expand to friends and family; with 250k+ users and targeting 1M by end-2025, it uses a React Native/SwiftUI frontend and Convex backend with AI agents.

SaaS
Peppr AI

Peppr AI

San Francisco

Peppr AI builds an enterprise data and intelligence layer that enables AI agents to learn from how employees work, stitching scattered data into a self-improving, org-wide knowledge base. Deployed at 1,000+ employee enterprises (including C

AI/MLSeed
Anrok

Anrok

San Francisco

Anrok is a global sales tax solution for modern commerce, headquartered in San Francisco and backed by Sequoia Capital and Index Ventures, establishing it as a key player in the global sales tax space.

SaaSSeries C
Etleap

Etleap

San Francisco

Etleap helps analytics teams quickly and securely connect data sources, simplifying the setup, maintenance, and scaling of data pipelines to drive analytics projects. Backed by First Round Capital, SV Angel, and Y Combinator, it is growing

SaaSSeed
Turing Labs

Turing Labs

San Francisco

Turing Labs Inc. provides an AI-powered SaaS platform for the CPG industry to help companies create new products using data and industry-specific AI, pursuing a more sustainable world; Forbes describes it as 'the Palantir for the CPG indust

SaaSSeries A
Readily

Readily

San Francisco

Readily provides AI-powered compliance tools for healthcare organizations, aiming to build the compliance layer for every company and cut admin costs. Founded by Edward Tiong and Wei An Wang, it serves large healthcare clients and reports 3

HealthTech
CTGT

CTGT

San Francisco

CTGT Inc safeguards reputational risk from GenAI for organizations in the B2B software and services infrastructure market. Based in San Francisco as a seven-employee startup founded by Cyril Gorlla and Trevor Tuttle, Gorlla's efficient AI w

SaaS
Code Four

Code Four

San Francisco

Code Four is an AI-first public-safety startup applying artificial intelligence to challenges for municipal, county, state, and federal agencies, positioning itself at the forefront of public-safety technology across multiple government lev

AI/MLSeed
Rezo Therapeutics

Rezo Therapeutics

San Francisco

Rezo is a biopharma company building a disease-agnostic, fully integrated network biology platform to dramatically increase drug development success, led by UCSF-origin founders with a proven track record of FDA-approved drugs.

BiotechnologySeries A
Aden

Aden

San Francisco

Aden is an AI-native, multi-agent ERP platform unifying business systems for operations leaders. Customizable and deployable, it uses declarative solutions and AI agents to automate workflows, serving over 100 businesses, including supply c

SaaSSeed
RealRoots

RealRoots

San Francisco

RealRoots is an early-stage, women-focused friendship startup that helps women form meaningful, long-lasting friendships in their city, addressing the decline of IRL connection; seed-funded and backed by investors including Y Combinator, Go

SaaSSeed
Nozomio

Nozomio

San Francisco

Nozomio builds context-augmentation infrastructure for AI agents, indexing codebases, documentation, and external sources to provide agents with expanded knowledge. It claims this boosts performance by 27% and emphasizes fast shipping and r

AI/ML
Waypoint Transit

Waypoint Transit

San Francisco

Waypoint Transit automates urban planning to help cities design sustainable, resilient, human-centric environments faster and cheaper, reducing reliance on costly consultants; led by CTO Ryan Johnston and CEO Varun Tandon, leveraging expert

Government AdministrationPre Seed
Decipher AI

Decipher AI

San Francisco

Decipher AI offers an analytics agent that analyzes session replays to reveal user behavior, automatically uncover and prioritize issues, and reduce churn. It is led by a small team of ex-Googlers, including co-founders Rohan Das and Michae

SaaS
Sonauto

Sonauto

San Francisco

Sonauto builds a platform for creating, sharing, and listening to music powered by its in-house generative model, Melodia. It aims to democratize music-making, letting beginners express themselves through cutting-edge generative music resea

AI/ML
Pave Robotics

Pave Robotics

San Francisco

Pave Robotics develops robots that repair roads to improve infrastructure. Founded by Josh Kelly (CEO) and Mason Landon Smith (Chief Product Officer), it operates in the road repair robotics market as a robotics company.

RoboticsSeed
Plenful

Plenful

San Francisco

Plenful is an AI-powered workflow automation platform for pharmacy and healthcare operations, designed to streamline manual tasks, reduce costs, and drive revenue. Backed by top investors and trusted by leading pharmacy and healthcare teams

HealthTechSeries B
Shadeform

Shadeform

San Francisco

Shadeform is a cloud GPU marketplace across 15+ providers, building a multi-cloud distributed compute platform to run inference and training workloads anywhere. It serves Fortune 100s, startups, and others, emphasizing capital efficiency an

Cloud ComputingPre Seed
Theorem

Theorem

San Francisco

Theorem is an AI and programming languages research lab in San Francisco that develops scalable software correctness feedback and cryptography securing trillions of connections; it publishes at NeurIPS, ICML, POPL, and ITP, and runs educati

AI/ML
TypeOS

TypeOS

San Francisco

TypeOS is an education technology company behind VibeGrade and VibeLearn, backed by Y Combinator.

EdTech
Stardrift

Stardrift

San Francisco

Stardrift is an AI travel search assistant that converts unstructured travel data into structured information to enable a corporate booking experience, launching with USA corporate travel search. Led by Leila Clark, a Princeton CS graduate

AI/ML
Pincites

Pincites

San Francisco

Pincites is an AI contract negotiation assistant embedded in Microsoft Word that helps legal teams review and redline contracts faster; a YC S23 startup with unicorn customers, it doubled revenue in Q1 2024 and is led by Sona and Mariam.

Law Practice and Legal ServicesSeed
FuseAI

FuseAI

San Francisco

FuseAI is a Y Combinator–backed enterprise GTM automation platform building an agentic OS to automate go-to-market teams with AI agents. San Francisco-based, eight-employee startup founded by Saurav Bubber and Imogen Low, who bring Deel and

SaaSSeed
Humane

Humane

San Francisco

Humane develops innovative technology designed to feel familiar, natural, and human, aiming to improve the human experience from good intentions and claiming to deliver the best human experience as the next shift between humans and computin

Electrical and Electronics Manufacturing
Nitrode

Nitrode

San Francisco

Nitrode is an AI-powered game engine and platform that enables developers to build, launch, and play games, claiming complex and fully functional games can be created in two days. It aims to push development boundaries and revolutionize the

Computer Games and Gaming
Casco

Casco

San Francisco

Casco performs security reviews of web, cloud, and AI applications using supervised AI agents that think like attackers to identify vulnerabilities and provide remediation guides, pioneering AI-driven security testing designed to make softw

Cybersecurity
Distyl AI

Distyl AI

San Francisco

Distyl AI aims to be the most customer-centric AI company, helping enterprises thrive in AI-assisted economy. It runs a proprietary platform of in-house tools and alliances, including OpenAI, and collaborates with leading institutions world

AI/MLSeries B
Overlap

Overlap

San Francisco

Overlap builds multimodal video marketing AI agents for media companies, serving some of the world's largest media companies with thousands of creators using its product. Headquartered in San Francisco, it is led by CEO Jonathan Baer and CT

AI/MLSeed
Paragon AI

Paragon AI

San Francisco

Paragon AI (S22) provides AI-powered sales technology that extracts information from meetings, emails, and calls to automate tasks, deliver insights, and coach teams, addressing administrative burdens and incomplete CRM data; led by founder

SaaSSeed
DryMerge

DryMerge

San Francisco

DryMerge provides a platform to create AI agents that connect to apps and automate tasks via a chat interface, emphasizing near-perfect accuracy and deep integrations with Gmail and Salesforce; it is a small Rust/Javascript/Svelte engineeri

SaaS
Tenjin

Tenjin

San Francisco

Tenjin provides mobile growth infrastructure that organizes, analyzes, and secures data from mobile devices and marketing channels, aiming to replace detached services with an integrated data platform. It operates with a remote-friendly tea

SaaSSeed
SafeBeat

SafeBeat

San Francisco

SafeBeat Rx is a healthcare tech company developing ECG software and a take-home kit to enable at-home initiation of heart medications, backed by YC Summer 2021 and pursuing clinician-approved AI-driven dosing and faster FDA pathways to red

HealthTech
Oxygen

Oxygen

San Francisco

Oxygen is a San Francisco-based modern financial platform offering banking services for digital natives, creators and entrepreneurs. Backed by Runa Capital, Y Combinator and other fintech investors, its banking services are provided by The

FinTech
Trueplace

Trueplace

San Francisco

Trueplace provides interview-preparation tools through its Confetto AI and Soreno AI platforms, offering resources designed to help individuals prepare effectively for interviews.

EdTech
Gale

Gale

San Francisco

Gale disrupts the $10B immigration services market by delivering a tech-enabled, human immigration process for US H-1Bs that uses automation and AI to boost lawyers' efficiency, reduce costs, and shorten visa turnaround times for U.S. compa

Law Practice and Legal ServicesSeed
Letter AI

Letter AI

San Francisco

Letter AI provides generative AI-powered sales enablement, unifying training, coaching, and content creation to improve win rates. Since launch, it has onboarded Lenovo and Redpanda as its first customers and secured funding from Y Combinat

SaaSSeries B
WAYLINE

WAYLINE

San Francisco

Wayline provides 24/7 support for property managers, serving as a dependable, around-the-clock partner in property management.

SaaS
Helicone

Helicone

San Francisco

Helicone is an open-source observability platform for LLM applications, delivering monitoring, optimization, and reliability tools to productionize AI systems. With ~4,000 GitHub stars, a thriving community, 20% MoM growth, and SOC 2 and GD

SaaSPre Seed
Stably AI

Stably AI

San Francisco

Stably AI focuses on AI-powered QA testing to help teams deliver software faster. Founded by experts who built testing infrastructure at Google and ML systems at Uber, it positions itself as a leader in AI-powered QA testing.

SaaSSeed
Toothy AI

Toothy AI

San Francisco

Toothy AI automates back-office operations for dental clinics using large language models, led by founders with proven AI-enabled B2B track records (Chen’s SoftBank-backed $1M ARR AI email solution; Kerrigan’s pre-ChatGPT LLM campaign tool)

HealthTechSeed
JustAI

JustAI

San Francisco

JustAI is a marketing technology company that uses AI to enable 1-to-1 hyper-personalized messaging and continuous always-on testing, reducing operational overhead and accelerating rapid marketing experimentation by moving away from traditi

SaaS
Origami

Origami

San Francisco

The company builds vertical AI agents to handle sales research and develops custom AI web agents. Co-founded by Finn Mallery and Kenson Chung, who previously served as CTO of an enterprise sales platform with $1B+ revenue clients; partnersh

SaaS
Undermind

Undermind

San Francisco

Undermind is an AI-powered research agent used by thousands of experts, including top pharma R&D firms and university libraries. Described as the most intelligent science search and synthesis engine, it aims to reinvent research by augmenti

AI/MLPre Seed
Jiga

Jiga

San Francisco

Jiga builds a digital, automated, data-driven platform that streamlines procurement of manufactured parts directly from vetted suppliers, connecting buyers with trusted manufacturers to transform traditional manufacturing sourcing.

SaaSSeries A
Terradot

Terradot

San Francisco

Terradot, a San Francisco Bay Area public-benefit MRV platform, uses ground truth sampling, remote sensing, and AI to measure soil carbon at scale for carbon removal, focusing on emerging economies; backed by $58.2M from investors and 300,0

SaaS
Constant

Constant

San Francisco

Constant is a private credit investment platform focused on private credit investments.

FinTechSeed
Lapel

Lapel

San Francisco

Lapel builds data infrastructure and tools that help customer-facing teams understand every customer and act on insight at scale, pursuing hospitality at scale by unifying context and coordinating action.

SaaS
Faction

Faction

San Francisco

The company builds autonomous AI agents that automate $2T of industrial goods through the supply chain, processing orders, generating quotes, and making inventory decisions without human intervention; it operates without users or human-in-t

SaaS
Patterns

Patterns

San Francisco

Patterns aims to make data analysis accessible by using natural language processing and AI to analyze data, aiming to simplify analytics and transform business intelligence, with next-gen financial analysis and AI agents for reporting; tech

AI/ML
Operant AI

Operant AI

San Francisco

Operant AI is a cybersecurity leader securing AI and MCP across APIs, Kubernetes, LLMs, and agents. Gartner recognizes it in 2025 Market Guides for AI TRiSM and API Threat Protection, and it holds a Tech Ascension Award for Cloud Security.

CybersecuritySeries A
Luthor

Luthor

San Francisco

Luthor is the first AI-native compliance firm for RIAs and broker-dealers, delivering a full-stack program that automates SEC, FINRA, and FinCEN compliance by blending purpose-built LLMs with human expertise (including former SEC attorneys)

FinTechPre Seed
Sample Healthcare (YC W24)

Sample Healthcare (YC W24)

San Francisco

Sample Healthcare is a profitable San Francisco-based healthcare AI company backed by notable investors including Kulveer Taggar, Zack Kanter, Homebrew Ventures, Y Combinator, and alumni from Retool, Stripe, Ambience Healthcare, and Watersh

HealthTech
Roforco

Roforco

San Francisco

Roforco builds viral AI consumer apps and games, with seven titles reaching over 100 million users and 10.2 million peak MAU. It maintains a community (100k+ TikTok followers, 64k+ Discord) and is founded by two ex-YC founders with Meta/Sna

AI/ML
ZeroEntropy

ZeroEntropy

San Francisco

ZeroEntropy is a B2B software and services infrastructure company focused on AI-driven information retrieval over complex unstructured data. With a two-person founding team and Y Combinator Winter 2025 participation, it combines mathematics

SaaSSeed
Embedder

Embedder

San Francisco

Embedder develops a coding agent for firmware development in embedded systems, enabling writing and testing firmware on real hardware with connections to physical tools. It indexes hardware documentation to provide hardware-specific context

AI/ML
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