Top Tech Startups in San Francisco, CA in 2027

Sigma is SaaS, next-generation business intelligence and data exploration platform that is disrupting the analytics landscape. Sigma offers a spreadsheet-like interface that enables all decision makers to securely analyze up to billions of rows of live data with the unlimited scale and speed of the cloud. Sigma is backed by Sutter Hill Ventures which brought Sumo Logic, Pure Storage and Snowflake to IPO. Simply speaking, Sigma connects to the cloud warehouse of the users, shows the selected tables in the spreadsheet form, lets them do aggregation, filtering, sorting and editing, and then provides the necessary tools to create visualizations and build dashboards.

At Numero, we build software for political campaigns and nonprofits. We were founded in 2019 (after our founders met while working together on a Congressional race) with the goal of building a modern fundraising software suite from the ground up – one that users actually want to use. In that time, we’ve scaled our platform to serve thousands of clients ranging from city council seats to US Senate races, and have helped them collectively manage over $10B in contributions. Our platform is an all-in-one system comprised of a donor CRM, a broadcast email/text tool, and payment processing pages that our clients rely on for their work every day. We’re small, tight-knit team that has deep experience in this space and are backed by world class investors including 776, Y Combinator, and Initialized Capital.

Gravadee is on online service that enables renter improve their eligibility for renting by providing an comprehensive application and credit report .

GoodLeap is a sustainable home solutions marketplace. We provide simple, fast, and frictionless point-of-sale technology for countless mission-driven professionals serving millions of people who want to upgrade their homes and save money. Our platform offers flexible ways for consumers to pay for a wide range of sustainable products, including solar panels, battery storage, smart home devices, modern HVAC systems, energy efficient windows, upgraded roofing, water-saving turf, and more. We are committed to caring for the planet, building lasting relationships with our valued partners and customers, and delivering cutting-edge technology that enables more people to embrace a sustainable lifestyle.

Schmick is a groundbreaking social media platform designed to challenge the status quo of how we connect online. Unlike conventional platforms that emphasize superficial interactions, Schmick fosters meaningful connections by lowering the barriers to entry for real, substantive engagement. We aim to revolutionize the way people communicate, offering users a more authentic, transparent, and fulfilling social experience. Our platform is built with a mission to provide seamless interaction while addressing key pain points like overly curated content, social pressures, and the lack of genuine conversation. By integrating cutting-edge features and a user-first approach, Schmick empowers users to express themselves authentically and connect with others who share their values and interests.

Helpboost is a stealth AI lab building foundational tech for the publishing and media industry. We're enabling writers, creators, and publishers to produce written and multimedia content at a scale and quality that wasn't possible two years ago. The product is almost built. The market is massive, fragmented, and ripe for disruption. We're not building another ChatGPT wrapper. We're building deep production infrastructure: narrative engines, audio synthesis pipelines, and video generation that turn multi-week publishing workflows into minutes. The founding team is led by a repeat founder with multiple exits, including an acquisition by a major public tech company. We've raised, built, shipped, and sold before. We know what the path looks like.