Top Seed companies in San Francisco

Companies on their seed round, typically the first priced equity raise. Filtered to companies headquartered in San Francisco.

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Built from a search like: “Top Seed companies in San Francisco”

Ranked by current headcount across Seed companies headquartered in San Francisco. Refreshed monthly.

1
topmate.io· San Francisco, California, United States
Topmate empowers professionals to seamlessly manage incoming requests for advice or guidance by letting others reach out for a personalised interaction while keeping complete control over every aspect of it.Our aim? We wish to simplify personalised interactions, by providing avenues for everyone to share their knowledge and wisdom with their followers or people willing to connect with them in the most simplified and seamless manner!
- Seed
- 2k employees
- Founded 2021
2
OptimHire· San Francisco, California, United States
"Job Seekers: Land interviews faster 🚀OptimHire’s Job Auto-Applier applies to relevant jobs for you—24/7, hands-free.Apply across 50+ job boards & 300,000+ company sites.Get 8X more interview schedules as you apply to fresh jobs and reach more jobs. Candidates signup for FREE : https://optimhire.comEmployers:OptimHire's is 1st Risk-Free Outcome-based AI-Recruiter! Hire 10X Faster & Reduce Costs By 80%. Signup Now https://optimhire.com/ai-recruiter"
- Seed
- 1.7k employees
- Founded 2018
3
Liquid Trees· San Francisco, California, United States
Say hello to Diatoms.Microscopic plants called Diatoms absorb 10-20 billion tonnes of carbon dioxide (CO2) every year. That's equal to the amount of carbon captured annually by all of the world's rainforests.Diatoms are considered the largest primary producers of oxygen on our planet. It is estimated that through photosynthesis, diatoms produce between 20% and 40% of the oxygen we breathe.With the campaign "Keeping the Planet cool with Diatoms" we are trying to raise awareness about Diatom potential in CO2 removal.We are in the process of removing 10GtCO2 by accelerating the growth of native diatoms in polluted open water systems.
- Seed
- 1.3k employees
- Founded 2022
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4
Love.com· San Francisco Bay Area
The clean green everything store
- Seed
- 1.1k employees
- Founded 2021
5
TranscribeMe· San Francisco, California, United States
TranscribeMe delivers secure, scalable transcription solutions for organizations across industries, with specialized expertise in legal transcription and complex, high-volume workflows.We combine advanced transcription technology, professional human editors, and proven operational expertise to turn audio and video into accurate, reliable text.Our solutions support legal, healthcare, technology, education, market research, consulting, AI and machine learning, and other industries where accuracy, security, and dependable turnaround matter.For the legal industry, we support court reporting firms, legal service providers, and other organizations with transcription for depositions, hearings, trials, arbitrations, recorded statements, and other proceedings.Customers can choose from fast AI-generated transcripts or professionally Human Edited transcription, with other options available to meet any workflow needs.Security is built into how we work. TranscribeMe has successfully completed a SOC 2 Type II examination and supports workflows designed to meet HIPAA, GDPR, and CCPA requirements, and can handle any type of content.From individual files to large-scale programs, we provide the technology, people, and infrastructure to deliver transcription accurately, securely, and at scale.Transcription built for legal. Flexible enough for every industry.TranscribeMe is now part of The HEICO Companies.
- Seed
- 1.1k employees
- Founded 2011

6
Wish· San Francisco, California, United States
Wish is a mobile e-commerce platform that connects millions of consumers with the widest selection of products delivered directly to their doors. Our vision is to unlock ecommerce for the underserved by giving everyone access to the most affordable and convenient shopping experience on the planet. Wish is headquartered in San Francisco, with additional offices around the world.
- Seed
- 894 employees
- Founded 2010
7
Landscape· San Francisco, California, United States
Landscape is an integrated creative studio providing brand strategy, design systems, and campaign production to clients pursuing intentional, sustainable, and influential change across a range of sectors—science, technology, social, environmental, arts, and culture.
- Seed
- 783 employees
- Founded 2012
8
Prive (Now Recurly Commerce)· San Francisco, California, United States
Prive is now Recurly Commerce — powering physical goods and DTC subscription growth for Shopify brands.Follow @Recurly to get ahead of what’s next.recurly.com/commerce
- Seed
- 738 employees
- Founded 2021
9
Torre.ai· San Francisco Bay Area
At Torre.ai, we’re building a personal recruiter for everyone. Her name is Emma. She proactively helps people define and pursue their career paths—and she does it for free. For companies, Emma handles recruitment, not as a copilot but as a pilot, a virtual colleague who brings candidates optimized to match the opening and the leader they will have. Our goal is to build the new global job network and provide real-time job liquidity for everyone.
- Seed
- 575 employees
- Founded 2019
10
Climatebase· San Francisco, California, United States
Climatebase is the community for climate & sustainability professionals — and the world's #1 platform for green jobs. We're on a mission to accelerate climate solutions by building products and community to support the climate workforce. Climatebase's jobs platform — which features over 50K climate jobs — is globally recognized as the leading climate jobs site. Each year, over 1 million people use Climatebase to discover and apply to hundreds of thousands of jobs at thousands of climate organizations.Beyond its leading hiring marketplace, Climatebase is renowned for The Climatebase Fellowship, the premier climate career accelerator for top mission-driven talent. Additionally, Climatebase organizes San Francisco Climate Week, one of the largest climate summits in the world. In 2025, SF Climate Week attracted 25,000 attendees and hosted over 650 events. SFCW 2026 is happening from April 18-26.
- Seed
- 562 employees
- Founded 2020

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Find engineers at Seed companies in San Francisco

Seed companies in San Francisco are some of the fastest-moving employers in the market. The list above ranks the largest Seed-stage companies headquartered in San Francisco by current headcount, drawn from public LinkedIn and Crunchbase records. With 1,947 matching companies in Refolk’s index, the density of senior engineers, designers, and founders is unusually high.

At Seed, teams tend to be small, ambitious, and on the hunt for senior talent. The companies on this list are good signals for where the San Francisco talent market is heating up - and for which engineers and founders are about to become tomorrow’s operators.

Refolk converts this list into a live search. Ask for “founders of Seed companies in San Francisco” or “senior engineers at Seed companies in San Francisco hiring” and Refolk returns a ranked shortlist with evidence behind each match.

How this list is built

Refolk pulled Seed companies headquartered in San Francisco from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes monthly.

Last refreshed: Thu, 17 Sep 2026 15:56:05 GMT

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How is this ranking built?

The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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The underlying index updates continuously and this ranking is rebuilt monthly. Last refreshed: Thu, 17 Sep 2026 15:56:05 GMT. For a list built against the index as it stands today, sign up and run the search live.

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