3404 matching
Theta
San Francisco
Theta translates real-world workspaces into simulation environments and trains expert-level agents that deeply understand those environments.
Weave
San Francisco
Weave applies machine learning to engineering data, scanning every pull request to estimate its duration and evaluate review quality and work type, enabling teams to gain visibility and improve predictability in software delivery.
Ivo
San Francisco
Ivo develops generative AI products for legal teams and an AI-native platform that automates contract review and other legal work, helping teams reduce time, effort, and cost and accelerate time-to-close.
Fay Nutrition
San Francisco
Fay is a healthtech company using AI-powered preventative care to empower people and care teams to avert deterioration, with thousands achieving measurable improvements and $75 million raised from notable investors including General Catalys
11x
San Francisco
11x builds fully autonomous digital workers that automate specific jobs end-to-end, aiming to sell work, not software; a pioneer in digital workers with hundreds of customers including Brex, Otter AI, and Hasura, and millions in revenue in
Fieldguide
San Francisco
Fieldguide offers a vertical AI platform for assurance and advisory firms, founded by ex-Big Four practitioners and tech leaders; headquartered in San Francisco, remote-first, backed by notable investors, trusted by top CPA firms to improve
PostHog
San Francisco
PostHog offers a product analytics platform to help create successful products. It gained traction, including B2B Hacker News launch, 100k+ users, 97% word-of-mouth growth, and top 0.01% GitHub ranking, hosted in US or EU with SOC2, GDPR, a
MERGE
San Francisco
Merge is a leading provider of customer-facing integrations and agent tools for frontier LLMs, serving thousands of customers including Fortune 500s and B2B SaaS firms, with offices in San Francisco, New York, and Berlin.
Merge API
San Francisco
Merge is a leading provider of customer-facing integrations and agent tools for frontier LLMs, serving thousands of customers including Fortune 500s and B2B SaaS firms, with offices in San Francisco, New York, and Berlin.
FERMÀT
San Francisco
Fermat Commerce specializes in post-click experience optimization to boost conversions from paid traffic, enabling experimentation to own the post-click journey. The company offers a Get Started page to book a call and learn more at fermatc
Supergood
San Francisco
Supergood combines observability data with human-in-the-loop code generation to create new integrations and fix existing ones.
DeepTrust
San Francisco
DeepTrust builds the trust layer of the internet by securing live voice and video calls across platforms and automating social-engineering detection and response, providing just-in-time assistance to boost productivity, security, and compli
Anchor AI
San Francisco
The company builds an AI workforce for global logistics to automate complex workflows and deliver real-time intelligence at scale. It has helped clear over $1B of goods through US Customs, underscoring its AI-driven approach to streamlining
ScopeAI
San Francisco
Scope develops AI-enabled software to accelerate industrial inspection workflows, from reporting to asset integrity, and works with leading TIC players to shorten field reporting to 12 minutes and onboard clients seven times faster.
Centralize
San Francisco
Centralize is an AI-powered relationship intelligence platform for enterprise sales teams. Its founding team launched Facebook Shops, Slack Huddles, and Modern Treasury Reconciliation, and it is backed by Y Combinator, Salesforce Ventures,
Fazeshift
San Francisco
Fazeshift offers an AI-driven accounts receivable platform that automates AR processes, reduces manual work, and accelerates revenue cycles for large enterprises. Backed by Y Combinator, Gradient (Google’s AI venture arm), and founded by Ha
Loma
San Francisco
Loma is a click-to-deploy commerce platform for online communities and creators, enabling them to own commerce. Founded by engineers from Instagram, Nextdoor, Wayfair, and Zillow, it has a pre-seed led by Lerer Hippeau and seed round driven
Ciridae
San Francisco
Ciridae delivers AI deployment for private equity-backed clients, employing a Palantir-style forward-deployed model and an internal platform to enable rapid AI deployment. It is expanding from services to software, combining hands-on deploy
Phonic
San Francisco
Reliable Voice AI
Sorcerer
San Francisco
Sorcerer builds a global network of persistent airborne sensors to improve weather forecasting; its system is used daily by meteorologists to track extreme weather across the US and Central America, led by a team with Urban Sky and SumUp ex
Nooks
San Francisco
Nooks is a platform that transforms sales reps from manual laborers to scientists by equipping teams with analytics. It grew from $0 to $5M ARR in two years, expanded 4x in 2023, led by Forbes 30 Under 30 founders.
Noto
San Francisco
Noto provides AI-native vertical software for after-school businesses—tutoring centers, music and art schools—to reduce administrative tasks like registration, rescheduling, and payments, letting owners focus on teaching. Led by CEO AJ Ding
Burnt
San Francisco
Burnt is building an AI brain for global supply chains, starting with the food sector; it already automates over $10M in monthly orders without humans, has raised $3.8M, and plans enterprise deployments across freight, manufacturing, and di
Recall.ai
San Francisco
Recall.ai provides infrastructure for processing meeting data and metadata, enabling enterprises to analyze and derive insights from meetings. Founded in 2020 and headquartered in San Francisco, it serves over 1,000 customers.
Newton
San Francisco
Newton offers a next-generation AI phone system for dental organizations, targeting fast-growing dental groups to streamline patient communication and replace outdated phone systems and clunky tools, delivering unmatched visibility into the
Paraform
San Francisco
Paraform is a recruiting marketplace that connects companies with a network of specialized recruiters to fill roles faster and more accurately. Backed by prominent investors and partners like Palantir and Decagon, it aims to be the first en
Tavus
San Francisco
Tavus is a human computing research lab and pioneer in human computing, building AI Humans to bridge the gap between people and machines and teach machines to be human. Founders Hassaan Raza and Quinn Favret lead Tavus, which is growing.
Unusual
San Francisco
Unusual defines Brand Engineering, a research field that measures how LLMs perceive brands and benchmarks brand performance against peers. Through applied interpretability and narrative-control experiments, it aims to let people shape their
Advex AI
San Francisco
Advex is seed-stage startup backed by Construct Capital, PearVC, founders of Dropbox, Gradient Ventures, with team from CMU, Berkeley AI Research Lab, Google Brain, Scale AI, and Qualcomm, publishing research and winning competitions at ICL
Medra
San Francisco
Medra uses AI, robotics, and biology to accelerate life science research and eradicate disease, building a Scientific Physical AI platform to scale lab work and generate orders of magnitude more data for faster drug development and biology
AirOps
San Francisco
AirOps is the first end-to-end content engineering platform for marketing teams, helping brands get found and stay found in the AI era. With hubs in San Francisco, New York, and Montevideo, it serves marketers and is backed by prominent inv
Incident.io
San Francisco
Incident.io is an all-in-one incident management platform for engineering teams, integrating on-call scheduling, incident response, and status pages with AI-powered automation, serving 10,000+ responders at 600+ companies including Netflix,
Firebender
San Francisco
Firebender is an AI software company that develops AI coding assistance tools. Founded in 2024, it has raised $3.5 million in funding and currently has a team of three.
Argos
San Francisco
Argos builds the AI operating system for in-house legal teams, is based in San Francisco, California, and has $3.5M pre-seed funding as it enters an early stage with pilots launching soon.
AMT
San Francisco
The company builds AI employees to staff non-creative marketing roles, aiming to unlock human creativity by deploying AI to fill every non-creative marketing position.
Synch
San Francisco
Synch, based in New York City, is the first AI-powered Salesforce system of engagement, backed by Y Combinator and executives from Retool, Ramp, and Superhuman. It enables enterprises to manage their Salesforce environment using natural-lan
Chalk
San Francisco
The data platform for inference. Build, deploy, and iterate faster with Chalk's feature engine.
HappyRobot
San Francisco
HappyRobot offers an AI-native operating system for real economy, starting with supply chains. It has raised $62M, including a $44M Series B in Sept 2025, from YC, Andreessen Horowitz, and Base10, led by Pablo and Javier Palafox and Luis Pa
Apriora (YC W24)
San Francisco
Apriora is a recruitment technology company that enables enterprise clients with autonomous AI recruitment powered by conversational AI, backed by thousands of interviews across engineering, IT, retail, and hospitality, and integrations bui
Usul (YC S24)
San Francisco
Usul positions itself as the 'Amazon for Government,' enabling companies to sell to government quickly. With Fortune 500, U.S. Government, and NATO as customers and ARR near $5M, it is scaling a repeatable enterprise motion with internation
Opaque Systems
San Francisco
OPAQUE is the confidential AI platform unlocking sensitive data to securely accelerate AI into production. Created by world-renowned researchers at the Berkeley RISELab, OPAQUE’s user-friendly platform empowers organizations to effortlessly run cloud-scale, general-purpose AI workloads on encrypted data with cryptographic verification of privacy and sovereignty. OPAQUE supports popular languages and frameworks for AI, including Python and Spark, enabling teams to securely combine datasets with cryptographic verification of privacy. OPAQUE customers deploy high-performance AI faster and eliminate the tradeoff between innovation and security.
Gridware
San Francisco
Gridware is a privately held technology company in San Francisco focused on protecting and enhancing the electrical grid, backed by climate-tech and Silicon Valley investors, addressing faults—especially in remote, aging infrastructure and
TurbineOne
San Francisco
TurbineOne delivers do-it-yourself Artificial Intelligence & Machine Learning (AI/ML). TurbineOne’s Frontline Perception System (FPS) allows users to build, tune, and deploy computer-powered recognition algorithms without having to code and without requiring a cloud. The FPS is applicable to organizations that are overwhelmed with vast quantities of data from different sensors and need to empower analysts to quickly find what’s important.
Conduit AI
San Francisco
Conduit builds AI-native conversational agents to automate high-touch business communications, focusing on hospitality and housing. It offers a help-desk platform for creating agents that handle text and voice conversations and escalate to
Adapt.com
San Francisco
Adapt is an AI platform that connects databases, SaaS tools, tickets, docs, and finance across data stack to turn scattered signals into evidence-backed answers. Its AI agents monitor, analyze, and explain data, surface anomalies, and recom
Zero Labs
San Francisco
At Zero develops a tax-forecasting engine with the goal of eliminating tax liabilities, positioning itself in the tax technology space.
Ulyssean
San Francisco
Ulyssean builds security for AI data centers and closed a $3 million seed round, with backers including security leaders from Anthropic, DeepMind, CrowdStrike, and government advisors; it enters a 3-month design partnership with a data cent
Clera
San Francisco
Clera is an AI-powered talent agent that connects 55,000+ tech professionals with VC-backed startups through personalized outreach, reaching over $1M ARR in six months and backed by 1984 Ventures, Deel Ventures, and top investors from OpenA
FlowState
San Francisco
FlowState provides video search and video workflow automation solutions, enabling activation of archival footage, needle-in-a-haystack searches, and automated actions based on video content, establishing itself as a technology-focused provi
Dataleap
San Francisco
Dataleap is the world's first vibe working platform, backed by $3 million in funding, aiming to be the first agentic work platform for tech-forward companies, with agents serving 2-person startups to 2,000-person unicorns; founders are Jan
Sapling
San Francisco
Sapling is building an operating system for independent private practices, starting with pediatrics and expanding to adult primary care, to help clinicians reclaim independence by automating the back-office and ultimately coordinating care.
Parakeet Health
San Francisco
Parakeet Health is an AI patient engagement platform for healthcare organizations, using language models to improve patient experiences in doctors’ offices. It blends healthcare veterans with technologists, serving paying clients and planni
Quander
San Francisco
Quander runs an applied AI product lab that automates invention, building thousands of inventions to improve humanity's future. It develops AI systems to discover, grow, and scale new ventures, driving venture creation through automated inv
Arphie
San Francisco
Arphie is building a platform for collaborative intelligence between go-to-market and product/engineering teams. Backed by top-tier VC firms and led by CEO/CTO co-founders who met at Harvard, it has posted rapid ARR growth since commerciali
Circleback
San Francisco
Circleback focuses on improving how teams communicate and getting the most out of every conversation. By prioritizing effective conversations, it aims to maximize the value of team interactions and enable better collaboration.
Metalware
San Francisco
Metalware develops advanced firmware security solutions for real-time embedded systems, safeguarding aerospace, automotive, industrial control, telecom, medical devices, and IoT from cyber threats.
Outset
San Francisco
Outset, a Y Combinator–backed startup, uses AI and ChatGPT to conduct in-depth qualitative interviews at scale, aiming to revolutionize qualitative research and deliver rich, scalable insights through innovative research tooling.
Miter
San Francisco
Miter positions itself as the modern construction operating system, a leading HCM platform for the $2 trillion construction industry that uses AI and embedded payments to overhaul HR, finance, and operations, delivering cost savings and pro
Endgame
San Francisco
Endgame is a knowledge system for enterprise sales that argues specialized knowledge is the key competitive advantage for revenue teams delivering value to buyers, differentiating itself by prioritizing human connection over automated outre
MangoDesk
San Francisco
Creates frontier data and environments to advance AI, bridging AI with the $5T knowledge-work economy and accelerating AI capabilities and adoption in knowledge work.
AthenaHQ
San Francisco
AthenaHQ provides an AI Search platform that helps global brands improve visibility, discoverability, and branding. It counts Coinbase, SoFi, and Twilio among its customers and serves over 200 clients with more than $2M ARR, underscoring ra
Mintlify (YC W22)
San Francisco
Mintlify is an intelligent documentation platform that empowers developers, reaching 100 million+ developers annually and powering the documentation of 10,000+ companies. It is the #1 most popular YC product used by other YC companies over
Cekura
San Francisco
Cekura is a Y Combinator–backed startup redefining AI voice agent reliability through testing and monitoring. Founded by IIT Bombay alumni with ETH Zurich credentials and high-stakes trading experience, it guarantees dependable performance,
Greybeam
San Francisco
Greybeam is an early-stage data platform company that routes each query to its optimal engine, directing large queries to MPPs and smaller ones to in-process engines. It currently targets Snowflake BI workloads, delivering ~80% cost reducti
Colare
San Francisco
Colare is an end-to-end hiring platform for hardtech teams in automotive, aerospace, energy, and defense. Its AI-powered simulations replicate real engineering workflows—from CAD to systems problem solving—to evaluate talent, with stack-ran
Tailor
San Francisco
Tailor is the first and only headless ERP. Tailor helps retail companies connect all their off-the-shelf tools, omnichannel marketplaces, and people on one open platform. Other ERPs are monolithic or lack the sophistication and reliability to rapidly scale operations. Tailor is built using the cutting edge of API-first and low-code technology — so you can launch ERP solutions in weeks instead of months. Tailor helps you react to changing markets, increase margins and take advantage of new opportunities with solutions for inventory management, supply chain, purchasing, production, accounting, omnichannel orders and more.
Rippling
San Francisco
Rippling is a San Francisco-based workforce management platform that unifies applicant tracking, payroll, IT, and expenses, delivering a shared source of truth, automation, and insights by syncing data across apps to enable faster, better d
Pulley
San Francisco
Pulley helps construction teams break ground faster and is backed by a marquee group of investors and industry leaders, pursuing a broader mission to make it easier for anyone to start a company, believing founder-led startups succeed longe
GovDash
San Francisco
GovDash enables businesses to win and deliver government contracts that advance American interests. Its customers won over $5B in government contracts in 2025, and GovDash has raised $42M in funding.
Foxglove
San Francisco
Foxglove provides interactive visualization, debugging, and data management tools for robotic development, helping developers understand how robots sense, think, and act in dynamic and unpredictable environments, with a focus on performance
Poka Labs
San Francisco
Poka Labs, a San Francisco-based startup founded in 2023, builds AI agents that automate commercial operations for chemical manufacturers, led by Andrew Bass and Malay Shah; it is backed by Y Combinator, Flybridge, Pioneer Fund, and Beat Ve
Heliux
San Francisco
Heliux provides an all-in-one software platform to optimize enterprise-wide operations for manufacturers by unifying teams, processes, and data into one system. It’s based in San Francisco and has raised funding from New Stack Ventures, Amp
Vantara
San Francisco
Vantara positions itself as an AI product engineer that monitors user sessions and feedback from support, sales, and channels, identifies patterns, prioritizes what to build, and enables PRs and A/B tests to close the loop between user inpu
Kastle
San Francisco
Kastle is building an AI operating system for consumer lending, starting with mortgage, to scale lenders contact centers and compliance operations via AI voice agents. It has raised $2.3M from Y Combinator and Commerce Ventures, aiming to r
Runway
San Francisco
Runway is a collaborative business planning platform that replaces spreadsheets with a modern planning solution, democratizing planning across the organization. Its customers include AngelList, Superhuman, ConvertKit, Lambda Labs, and Sandb
Scale AI
San Francisco
Scale AI provides data-centric infrastructure to accelerate AI development, helping organizations build strong AI models and derive business insights and operational efficiency; serving customers across tech, government, and enterprise, inc
Confident AI
San Francisco
Confident AI is the leading LLM evaluation platform behind the open-source DeepEval framework; its cloud product brings DeepEval to enterprises, backed by 600k+ monthly downloads, 5.3k+ GitHub stars, 40 million evaluations, and hundreds of
Ascend
San Francisco
Ascend is a finance automation platform for insurance that blends AI automation with embedded fintech, targeting the $10 trillion insurance market. It has more than 3,000 customers, processes billions of transactions annually, and aims to b
Numeral
San Francisco
Numeral automates sales tax compliance for ecommerce and SaaS merchants, focusing on Shopify stores. Founded around Kevin, a California-licensed CPA, and Sam, co-owner of $10M+ Shopify brand with roles at Airbnb and Teespring, it helps stor
Abby Care
San Francisco
Making family care possible. At Abby Care, we are tackling one of the most important and unsolved challenges of our time: family caregiving. Over 50 million Americans are family caregivers for loved ones without pay, tools, or support. Our mission is clear and ambitious: to train and employ family caregivers so they can get paid for the care they already provide at home. Abby Care is building a tech-powered, family-first care platform to efficiently deliver care, improve health outcomes, and provide the best-in-class experience nationwide. We are rapidly expanding our mission and looking for passionate team members to join. Abby Care has partnered with leading insurance plans, healthcare providers, and community organizations. We’re supported by top, mission-driven VCs to empower families throughout the country.
Vanna Health
San Francisco
At Vanna Health, we believe that a sense of belonging and engagement in the community is the foundation for improving overall health and wellbeing for individuals with serious mental illness. We help people living with serious mental illness thrive by strengthening the community ecosystem around them. Through innovative payment models and technology, Vanna Health promotes collaboration across existing behavioral health and primary care providers, hospitals, payers, clubhouses and other community based organizations. Additionally, Vanna Health can deploy our own top quality providers and case managers, as needed, in areas where there may be a shortage of resources. Vanna Health was founded in 2021 by a team of mission-driven entrepreneurs, working in close partnership with payers, providers, and community based organizations to promote collaboration and improve outcomes while driving down costs. We are committed to the goal of supporting all individuals with culturally competent care regardless of their race, ethnicity, religion, sexual orientation, or gender identity. With modern technology, extensive development opportunities, diverse careers paths, and a culture that values diversity, equity, inclusion, and belonging, we are redefining what it means to work in community health.
Opal Security
San Francisco
Opal provides enterprise identity and access management solutions. It is based in New York City and San Francisco and backed by Greylock, Battery Ventures, and Silicon Valley CISO Investments, serving hypergrowth startups and Fortune 500 co
TrueClaim
San Francisco
TrueClaim provides an AI-enabled platform for health plans, focused on advancing health-plan technology and modern operations.
Rulebase
San Francisco
Rulebase delivers visibility and confidence to modern support teams, helping them understand and improve the customer experience in real time. Its technology stack includes Python, React, and Electron JS.
InspectMind AI
San Francisco
InspectMind AI delivers AI-powered documentation and reporting tools for construction and design professionals, simplifying paperwork and streamlining on-site workflows to help workers spend less time at a desk and more time building.
Uiflow
San Francisco
Y Combinator is a leading startup accelerator founded in 2005 by Jessica Livingston that runs programs to support startups, including the YC Program, Startup School, and Co-Founder Matching, and provides resources, deals, and ongoing guidan
Runway Financial
San Francisco
Runway is a collaborative business planning platform that replaces spreadsheets with a modern planning solution, democratizing planning across the organization. Its customers include AngelList, Superhuman, ConvertKit, Lambda Labs, and Sandb
Headquarters
San Francisco
The company provides best-in-class concussion care accessible to everyone, based in San Francisco, and is backed by world-class doctors and investors, including the founding teams of OpenAI and Facebook AI Research.
Sylvan Labs
San Francisco
Sylvan Labs specializes in post-sales enablement for enterprise software, aiming to become the category-defining platform and a billion-dollar business by product- and GTM-led growth, not headcount. It pursues expansion through private equi
Arini
San Francisco
Arini is a leading AI solution for patient communication in dental care, serving dentists in the United States and Canada, with over 10,000 daily calls handled and a mission to make generative AI accessible to those who need it most.
Prophecy Gov
San Francisco
GovTech startup building a nationwide data network and AI agents for US cities to enable AI-powered municipal solutions, targeting a $3 trillion annual city spend; 15+ cities in 10+ states with plans for 100+ by 2026, and $2M raised.
Helium
San Francisco
Helium automatically generates and tests paywalls to improve app conversion. Backed by Y Combinator, Google, and leaders from OpenAI and Uber, the company is positioned in the paywall automation space for apps.
Hadrius
San Francisco
Hadrius automates and consolidates securities compliance for investment firms, serving over 500 institutions and more than $5 trillion AUM. A YC W23 alum with over $10M ARR, it’s described as fastest-growing company in its space and an emer
Fig
San Francisco
Fig builds AI agents that power the backbone of the U.S. food manufacturing sector. Its platform connects domain-specific agents to automate manual workflows, backed by Innovation Endeavors and industry leaders, and collaborates with manufa
Luminade
San Francisco
Founded by Sriram (ex-Luminade) and Mikhail (ex-Google, four-time competitive skydiving world champion); the two-person team builds a conversational voice layer for work that delivers actions in-chat, with ownership over product direction a
Resonate AI
San Francisco
An AI-driven platform that helps healthcare practices capture new patients by converting missed calls into patient inquiries, led by a founder with 10+ years of AI experience and five patents who previously built 0-to-1 ventures at Microsof
LedgerUp
San Francisco
LedgerUp is an AI-driven operations teammate for billing and accounts receivable that automates contract-to-cash workflows, reducing busywork for teams and driving growth.
Sutro
San Francisco
The company builds large-scale AI inference infrastructure to empower organizations to deploy and benefit from AI at scale, increasing human leverage, productivity, and discovery by delivering scalable AI capabilities and enabling greater h
Nexus Intelligence
San Francisco
An a16z-backed software startup building AI-enabled industrial automation systems for Fortune 100 customers across automotive, food, energy, and other sectors, aiming to become the platform for developing and deploying modern industrial aut
Agora
San Francisco
Harmonic is a startup discovery engine that converts fragmented sources into structured knowledge about startups, investors, and people, mapping the ecosystem and helping the most promising founders get found and funded by the world's large