B2B startups in San Francisco Bay Area

Delve

San Francisco

Delve is an AI-native compliance company helping 700+ fast-growing firms achieve SOC 2, HIPAA, ISO, GDPR, and other standards in days, not months; trusted by Lovable, Bland, and Wispr Flow, and building an AI-native platform to automate com

Federato

Palo Alto

Federato is the only AI-native platform that spans the full policy lifecycle, covering the entire policy process from start to finish. It claims to change how insurance work is done.

Juicebox

San Francisco

Juicebox is an AI-powered recruitment company founded by Ishan Gupta and David Paffenholz, aiming to disrupt recruiting with AI that can reason and take actions. It serves 2,500+ clients, seven-figure revenue, is cashflow positive, and has

Momentic

San Francisco

**The AI-native automated testing platform** Momentic is the modern alternative to Selenium, Cypress, and Playwright. We help software companies ship faster with reliable end-to-end tests that write themselves. World-class engineering team

Tofu

San Mateo

Tofu is an early-stage generative AI startup based in San Mateo, CA, backed by Index Ventures and SignalFire; it aims to build a unified platform for hyper-personalized, omnichannel B2B marketing campaigns at scale for mid-market and enterp

Textla

San Francisco

Textla democratizes SMS for businesses with a lowest-price guarantee, delivering hard-dollar/time savings, and grew from $0 to $13M in revenue in 18 months with under 50 employees.

Dedalus Labs

San Francisco

Dedalus Labs provides an MCP gateway and servers, unifying the AI agents ecosystem with a drop-in API. It enables users to go from idea to production in a single click, mixing models from any vendor with MCP marketplace tools.

Layer

San Francisco

Layer provides embedded, API-first accounting software and bookkeeping services for vertical SaaS platforms and neobanks that serve small and medium-sized businesses, enabling seamless integration into the platforms SMB owners already use.

Central

San Francisco

**Central Payroll, benefits, state compliance & other bullsh*t for startups** Central kills back-office work for startups. While HR/payroll platforms give you software to figure it out, Central actually does all the work using AI agents an

Crustdata

San Francisco

A VC-backed data company delivering real-time company and people data enrichment via APIs, founded by Chris Pisarski, Abhilash Chowdhary, and Manmohit Grewal, with 15 engineers and offices in New York City and San Francisco, building reliab

Magic Patterns

San Francisco

Magic Patterns is a fast-moving startup with an office in San Francisco and additional offices across North America, known for its small yet mighty team and rapid growth as it aims to transform the future of software building.

Slope

San Francisco

Slope partners with large companies to offer AI-enabled credit to businesses via strategic financing partnerships; it has raised $252M from notable investors including Sam Altman, JP Morgan Chase, Union Square Ventures, and Y Combinator to

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.

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.

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,

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

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.

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.

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

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

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

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

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

Pylon

Menlo Park

Pylon is a San Francisco-based, B2B-focused customer support platform for post-sales issues across Slack Connect, Teams, email, and in-app chat, marketed as a modern alternative to Zendesk and trusted by hundreds of YC-backed companies; it

Greptile

San Francisco

Greptile, a San Francisco AI tooling startup with a six-person team, builds an AI expert on codebases accessible via an API, serving 1,000 software teams; raised $5.3M from Y Combinator, Initialized Capital, SV Angel, and Paul Graham, with

Conversion

San Francisco

Conversion is a modern marketing automation platform for high-growth teams, making B2B marketing faster, smarter, and more personal. Trusted by over 5,000 businesses, it serves customers like Abacum, Clay, Hockeystack, and 11x, helping team

Column Tax

San Francisco

Column Tax democratizes access to financial help by delivering game-changing tax solutions for everyday people, highlighting gaps in financial guidance and the need for affordable tax support (over 100 million Americans can’t cover a $1,000

Suger

San Francisco

Suger is a Cloud GTM platform that lets software companies list, transact, and co-sell through cloud marketplaces and partner portals (AWS, Azure, GCP, Snowflake, Alibaba), automating cross-functional GTM work for faster deal closure; 250+

Cambio

San Francisco

Cambio is an AI-powered platform for commercial real estate operations, built by investors for investors, focusing on capital planning and compliance. It partners with Beacon Capital Partners and Madison International Realty and reports a 1

Diversion

San Francisco

Diversion is a well-funded, early-stage company building a modern, cloud-native SCM as the basis of the dev stack for developers worldwide, and claims to be the world's first fully cloud-based version management solution for the creative in

Onecrew

San Francisco

OneCrew is an all-in-one software platform for asphalt paving crews that centralizes estimating, scheduling, invoicing, and communication, helping contractors get more done, faster and enabling more efficient operations on paving projects.

Commenda

San Francisco

The company automates multinational compliance by indexing regulations and enabling fast querying, targeting a $200B market and challenging the Big Four as a nimble alternative; it has raised $10M seed and counts Razorpay, Pine Labs, MPL, a

Parity

San Francisco

Parity builds AI SRE for incident response, line of defense for on-call engineers, with adoption and backing from Y Combinator, General Catalyst, Sugar Free Capital, and angels from Midjourney and Crusoe; founded by Jeffrey, Coleman, and Wi

Reacher

San Francisco

Reacher is a San Francisco-based B2B software and services company that automates creator marketing for the world’s largest brands, positioning itself as the AI Brand Manager for ecommerce scaling through the creator economy.