Top California Angel or VC Firm Startups (82)

Cie is a venture studio that serves as an innovation lab and accelerator for bold entrepreneurs who want to transform disruptive ideas into thriving ventures. Cie blends Silicon Valley DNA with the business maturity of serial entrepreneurs, seasoned venture capitalists, and Fortune 500 executives. Combined with the team’s strategic and operational expertise in technology, product development, brand building, and customer acquisition,...

M13 is an early-stage (seed and Series A) venture capital firm that invests in visionary founders building disruptive software businesses. Established in 2016 with offices in Los Angeles and New York, the firm is a full-stack partner that brings its deep bench of full-time operators to help founders outperform and build category-defining companies. M13’s portfolio includes more than 200 direct...

5AM was founded in 2002 and pursues investments in advanced life science innovations, and seeks to be diversified across the biopharmaceutical therapeutics, and platform technologies. Within each sector, 5AM invests across multiple therapeutic areas and modalities and evaluates opportunities based on innovative platform technologies, corporate spin-offs and products with shorter development cycles. Content 5AM shares on this platform is not, and...

Serent Capital invests in growing businesses that have developed compelling solutions that address their customers'​ needs. As those businesses grow and evolve, the opportunities and challenges that they face evolve with them. Principals at Serent Capital have firsthand experience at capturing those opportunities and navigating those challenges through their experiences as CEOs, strategic advisors, and board members to successful growing...

Sydecar is a frictionless deal execution platform for venture investors. Our platform handles back-office operations for venture investors, automating banking, compliance, contracts, and reporting so that customers can focus on making deals and building relationships. The opportunity in venture capital is greater than ever. But for aspiring investors, getting started can be intimidating, expensive, and time-consuming. We’re here to help! Sydecar makes...

Unusual Ventures is raising the bar for what founders should expect from their venture investors. We enable startups with the hands on support and expertise they need to be successful during their early stage journey. Unusual Ventures is an early-stage firm that invests in both enterprise and consumer startups.

SAIGroup is a private investment company focused on acquiring and growing enterprise AI companies. The SAIGroup portfolio includes SymphonyAI, ConcertAI, and RhythmX AI.

We’re specialists in pre-seed and seed. The startups we back go far. Best-in-class founders do not come around every day. When they do, we jump at the opportunity to work together. Our approach is to work with just a small number of best-in-class founders so we can dig in and go deep.

In 2010 Nephila Advisors LLC was established, predominantly to assist Nephila Capital Ltd with investor relations, develop strategic trading relationships and business development in the United States. Nephila Capital Ltd is a Bermuda based investment manager specializing in reinsurance risk. Nephila offers a broad range of investment products focusing on instruments such as insurance-linked securities, catastrophe bonds, insurance swaps, and...

Costanoa exists to elevate founders building companies of consequence. We lead investments from formation through Series A in Applied AI, AI Infrastructure, Cybersecurity, National Security, and Fintech. With $2.3B AUM, we’re boutique by design—making fewer investments to deliver deeper expertise and operational support when it matters most: the early, defining stages of growth. For more information, please visit www.costanoa.vc.

We work with global corporate partners to identify the most pressing challenges that they, and broader society, face. Inspired by these complex problems, we launch startups built by proven entrepreneurs, product leaders and technologists that use their agility and talent to develop transformative solutions. After these companies have matured and proven market fit, our corporate partners are able to acquire...

Imagine H2O (IH2O), the water innovation accelerator, helps people deploy and develop innovation to solve global water challenges. By partnering with industry and policy experts and a global network of customers and investors, IH2O has become a proven path-to-market for emerging water technology businesses. Participants benefit from access to mentorship, industry exposure, customer and investor connections and strategy, market and...

A complete business intelligence and data science platform for investors built on sound social science models. Know more. Do better. Repeat.

Mainsail Partners is a San Francisco-based growth equity firm that invests in bootstrapped software companies. For more than 15 years, the firm has partnered with exceptional founders and entrepreneurs across numerous end-markets. Mainsail has a team of experienced operating professionals to help entrepreneurs scale their businesses and accelerate growth. For more information, please visit www.mainsailpartners.com.

Susa Ventures is an early stage technology fund investing in entrepreneurs building defensible products, technologies and tools that create, capture, distribute and leverage proprietary and unique data. For many of our investments, data is an enabling platform as well as a monetization engine.

Great entrepreneurs at the early revenue stage need more than capital to accelerate their business. NextWorld Capital leads Series A and B rounds and then helps entrepreneurs accelerate growth with our Global Enterprise Platform— designed to bring together the best enterprise startups and 100+ of the largest global corporates as customers and partners. NextWorld’s investments include Zuora (ZUO), Gong.io, DataStax,...

Mucker Capital is focused on investments in seed- and pre-stage companies in internet software, services, and media sectors.

The first venture fund dedicated to digital health We want to make healthcare massively better for every human being. Join us and build something useful. Get the most important digital health news delivered right to your inbox. Subscribe to the Rock Weekly. https://rockhealth.com/rock-weekly/

We are the first partner for founders. Over 80% of our investments are the first check: Pre-Seed, Seed, or Series A. Many start on a whiteboard. Focused on AI-first companies. We partner selectively, care deeply, and strive for excellence. We back founders who are building disruptive enterprise and consumer software companies such as: Airbnb (Nasdaq: ABNB), Abnormal Security, Adept AI,...

AlumniFunder is a marketplace for ideas, where youthfully minded doers seek biased capital. The company facilitates the connection between funders and doers for specific projects (e.g., social entrepreneurship, campus impact, design, research) and startups within university alumni ecosystems. AlumniFunder seeks to enrich the experiential education of students as well as the reach of alumni to execute on worthy projects. Further, the company...