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Greylock
Greylock Partners is an early-stage venture capital firm based in Menlo Park, California, specializing in technology startups across sectors like AI, fintech, and cybersecurity. Founded in 1965, it focuses on being the first institutional investor for exceptional founders.
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Overview
Greylock Partners, founded in 1965, is one of the oldest venture capital firms in Silicon Valley, headquartered in Menlo Park, California. The firm focuses on partnering with entrepreneurs to build and grow technology companies, particularly in the early stages of development. Greylock invests primarily in pre-seed, seed, and Series A stages, often being the first check into a venture. The firm emphasizes sectors such as artificial intelligence, cybersecurity, infrastructure, software as a service (SaaS), consumer products, marketplaces, and fintech. Notable portfolio companies include Airbnb, Facebook, and Discord. Greylock also runs the Greylock Edge program, which supports early-stage founders with resources and operational guidance.
Focus
Greylock invests primarily in early-stage companies, often being the first check into a venture. The firm emphasizes sectors such as artificial intelligence, cybersecurity, infrastructure, SaaS, consumer products, marketplaces, commerce, fintech, and cryptocurrency. Their approach is to engage deeply with founders to help them navigate the challenges of building successful companies.
Support
Greylock adds value to portfolio companies through its extensive network, industry insights, and a bespoke company-building program called Greylock Edge, which helps founders iterate on foundational decisions from inception to product-market fit.
Questions
What are Greylock's investment criteria?
Greylock primarily invests in early-stage companies at the pre-seed, seed, and Series A stages, focusing on sectors such as AI, cybersecurity, fintech, SaaS, consumer products, and marketplaces.
How can I pitch Greylock?
Founders can pitch Greylock by reaching out through their website. It is recommended to include a clear business model, market opportunity, and team background in the pitch deck.
What makes Greylock different from other VCs?
Greylock is known for its AI-first investment thesis and its commitment to being the first institutional investor in many successful startups. The firm provides hands-on operational support through programs like Greylock Edge.
What is the geographic scope of Greylock's investments?
Greylock invests globally, focusing on technology companies that align with their investment thesis.
What is the typical check size for Greylock?
Greylock typically writes first-check investments, which can vary based on the stage of the company but generally aligns with pre-seed, seed, and Series A funding rounds.
What kind of post-investment involvement does Greylock have?
Greylock provides extensive operational support and resources to its portfolio companies, helping them navigate early challenges and achieve growth.
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Check your startup’s fit with GreylockHosted by this organization
Programs at Greylock
Founder ProgramFrom public sources
What the sources say about Greylock
PitchBook's public Greylock preview lists Cognition with deal date 2026-09-08.
Source: Greylock investment portfolio | PitchBookPitchBook's public Greylock preview lists Lightfield with deal date 2026-09-09.
Source: Greylock investment portfolio | PitchBookPitchBook's public Greylock preview lists Highstock with deal date 2026-09-10.
Source: Greylock investment portfolio | PitchBookPitchBook's public Greylock preview lists Snorkel AI with deal date 2026-09-22.
Source: Greylock investment portfolio | PitchBookPitchBook's public Greylock preview lists Parallax (Oil and Gas Equipment) with deal date 2026-09-29.
Source: Greylock investment portfolio | PitchBookPitchBook describes Greylock as based in San Francisco, California.
Source: Greylock investment portfolio | PitchBook
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