SaaS startups in San Francisco

TaxGPT

San Francisco

TaxGPT offers an AI co-pilot for tax accountants, claiming to boost productivity and profits by 10x with a proprietary AI model. With 50,000+ users, it aims to transform tax research and compliance and is expanding hiring for sales roles.

Better Auth

San Francisco

Better Auth, founded by Bereket Engida, is a TypeScript authentication framework and infrastructure platform offering user management, analytics, bot/fraud detection, transactional messaging, and session storage; it is open source with a co

Hammr

San Francisco

Hammr modernizes payroll and HR for the U.S. construction industry, offering a construction-specific alternative to platforms like ADP and Paychex in a $2.2 trillion market. Backed by $5M from YC and industry leaders, it's billed as a Rippl

Partcl

San Francisco

Partcl develops the next generation of chip design automation tools powered by GPUs and AI, claiming its tools are 1000x faster than legacy options.

Camfer

San Francisco

Camfer enables engineers to use natural language for CAD tasks, building AI agents that autonomously design, source off-the-shelf parts, and generate drawings. It has Y Combinator recognition and OpenAI's o1 hackathon wins, plus a $4.8M see

Hamming AI

San Francisco

Hamming automates testing for AI voice agents, creating simulations with real conditions to ensure reliability. Led by CEO Sumanyu and CTO Marius, it uses OpenAI/Anthropic tech and has seen 8x revenue growth last month.

Oway

San Francisco

Oway is an AI-driven rideshare freight platform in the US trucking industry that fills unused capacity by connecting a marketplace of carriers and businesses to coordinate shipments, backed by Y Combinator and investors including Uber, Flex

Sunflower

San Francisco

Sunflower is a seed-stage startup with a 10-person team pursuing sobriety for 1.2 billion people affected by addiction. Founders bring YC, Techstars, and Rupa Health experience, with past products delivering up to $75M/year and nine-figure

Sonia

San Francisco

San Francisco startup developing Sonia, a safe AI therapist designed to clinically match 99th percentile human therapist and broaden access to mental health care. A team has raised $3.5M from YC, Moonfire, Verkada, Reddit, Instacart founder

Emobi

San Francisco

Emobi delivers a unified platform for seamless, secure EV charging, powering apps, fleets, and automakers while maximizing charger utilization; it integrates 122,000+ chargers across the U.S. and Canada, the largest North American ecosystem

Cartage

San Francisco

Cartage is an AI-managed logistics platform that functions as a logistics team for shippers, with Wilson coordinating booking, tracking, and end-to-end shipment management for manufacturers and distributors.

RetailReady

San Francisco

The company provides a unified retail compliance solution with real-time monitoring integrated into warehouse operations and brands' tech stacks, serving the retail and supply chain compliance market.

BuildBuddy

San Francisco

BuildBuddy was founded to boost developer productivity by democratizing access to world-class engineering tools that are typically reserved for employees of large companies, making them available to everyone.

Orchid

San Francisco

Orchid (W23) is an AI-powered EHR for independent mental health professionals. Based in San Francisco, it has a four-person team and was founded by Joseph Pomianowski.

Accend

San Francisco

Accend builds AI-powered risk, compliance, and underwriting automation tools for fintechs and banks. A YC S23 graduate, it has raised $6.2M in seed funding from Adverb Ventures, YC, General Catalyst, and 645 Ventures; clients include Pleo,

Pier

San Francisco

Pier is a fintech compliance platform for license management and regulatory reporting, enabling the next generation of financial services providers and expanding financial access for Americans. It has an oversubscribed round from top-tier v

Persana AI

San Francisco

Persana AI, a YC Winter 2023 startup, aims to revolutionize how companies execute go-to-market strategies, led by CEO Sriya Maram and co-founder Rush Shahani, with backgrounds at LinkedIn and NLP-focused roles at ElementAI and Shopify.

Penciled

San Francisco

Penciled is a healthcare tech company building an AI-driven patient engagement agent for physical therapists to automate time-consuming front-desk tasks; part of Y Combinator's Winter 2024 cohort and deployed across multiple PT chains natio

DeepSource

San Francisco

DeepSource is a unified DevSecOps platform that analyzes code changes to identify and fix security, performance, anti-patterns, and bug risks across every commit and pull request, integrating with GitHub, GitLab, and Bitbucket.

Ocular AI

San Francisco

Ocular AI offers an annotation engine for Generative AI, Computer Vision, and Enterprise AI, with Ocular Foundry for labeling, versioning, and deploying data, and Ocular Bolt leveraging a global expert workforce to accelerate labeling at sc

Olive

San Francisco

Olive enables companies to create internal tools by describing their needs in natural language, positioning itself as the fastest way to create internal tools. It has raised a $2.1 million seed round and is scaling its team.

Finta

San Francisco

Finta is a platform that consolidates taxes, bookkeeping, and financial metrics for startups in one place, replacing traditional bookkeepers and QuickBooks, by integrating with Brex, Ramp, Stripe, and other tools to act as the source of tru

Nango

San Francisco

Nango is a San Francisco-based, remote B2B software company building an open-source platform with a single API for all SaaS integrations. Founded by Robin Guldener and Bastien Beurier, it has YC participation, $2M funding, 300+ production c

AgileMD

San Francisco

AgileMD develops a cloud-based hospital decision-support platform used by thousands of physicians across hospitals and clinics in the United States, headquartered in San Francisco, delivering care decisions grounded in current medical knowl

Egress Health

San Francisco

Egress Health automates dental insurance revenue cycle management, making accepting insurance as easy as cash by sending claims, tracking payments, and collecting reimbursements. It’s live at dozens of private clinics and groups and has a Y

Lamar Health

San Francisco

Lamar Health leverages data science and AI to scale staff expertise for specialty medication workflows and automate patient paperwork, building infrastructure that connects care teams, clinics, and patients.

BootLoop

San Francisco

BootLoop specializes in hardware and firmware reliability for advanced technologies, enabling rapid development and testing for rockets, fusion power, supersonic aircraft, and medical devices; founded by Chris Markus (SpaceX firmware/Starsh

Vly.ai

San Francisco

vly.ai is building an AI full-stack development platform that can architect, build, deploy, and iterate on complete applications autonomously, aiming to replace most full-stack work within a year and competing with Replit, Lovable, and bolt

Morph

San Francisco

MorphLLM develops Fast Apply models for code editing AI, claiming the fastest LLM code-editing inference engine, delivering 10,500 tokens per second per request on Nvidia hardware. Its stack enables high-throughput AI workflows for coding a

Intercept

San Francisco

Intercept uses AI to automate auditing of retailer and distributor fees in the CPG sector, disputing invalid charges to recover money for brands and strengthen trust in transactions among brands, distributors, and retailers in a multi-trill

Andy AI

San Francisco

Andy AI is a seed-stage startup automating clinical documentation for home-visit nurses by turning visit audio into completed forms, cutting the 90-minute process and improving care for older adults while addressing America's nursing shorta

Orchids

San Francisco

Orchids is an AI app and site builder, one of the fastest-growing in its market, leveraging cutting-edge AI to transform how apps and websites are built. It aspires to be the last tool people need to deploy apps and sites.

Revamp

San Francisco

Revamp AI is a YC-backed retention-marketing startup for ecommerce brands, aiming to redefine the space. It has seven-figure ARR, rapid growth, and a client base including Dollar Shave Club, Fellow, Outdoor Voices, and Neuro, with plans for

Community Phone Company

San Francisco

The company offers a cloud-based phone system for small businesses without call centers, aiming to prevent missed orders and enable modern telephony without IT staff; it was part of Y Combinator W19.

Pairtu

San Francisco

Pairtu is a healthcare coordination platform connecting Medicare patients with dedicated advocates to navigate care and secure better outcomes, led by Harvard-educated entrepreneurs; it operates in a $60B market with million-dollar run-rate

April

San Francisco

April is an AI Executive Assistant for email and calendar that is voice-first and productivity-obsessed, backed by Y Combinator; it launched in August and has shown traction as it grows, aiming to give every busy professional the assistant

Planbase

San Francisco

Planbase is a flexible AI-powered platform that embeds intelligence into operations, tailoring to each workflow to boost speed and accuracy; it serves healthcare organizations touching 100M+ patients, including $500M+ revenue leaders, with

Meridian

San Francisco

The company catalyzes the next generation of consumer experiences by redefining how people interact with products and services, driving innovation in everyday engagement and shaping how brands are experienced in modern markets.

Augrade

San Francisco

Augrade Inc is an AI research lab building an agentic platform to automate construction workflows across design, estimation, and vendor management, aiming to create an AI architect and engineer that can realize projects for users regardless

Ohm

San Francisco

Ohm is a San Francisco-based AI-first company applying AI to battery research, validation, and manufacturing workflows. Backed by Y Combinator and other investors, it leverages a lean, multidisciplinary team of engineers, creatives, and PhD