Top 209 Series A Venture Capital Firms (2026)

1. Menlo Ventures

With a focus on consumer, enterprise, and life sciences, Menlo Ventures funds technology companies from their earliest stages through periods of growth. Their portfolio features foundational companies like Uber, Roku, and Siri, reflecting a long track record of identifying and scaling businesses with market-defining potential.

2. Insight Partners

Focusing on growth-stage software companies, Insight Partners provides capital and partnership to scale businesses in sectors from Fintech to Healthcare. With a portfolio that includes household names like Twitter, Docusign, and Shopify, they have a long history of helping software companies scale into market leaders.

3. Index Ventures

Index Ventures helps ambitious entrepreneurs transform bold ideas into global businesses. Their multi-stage approach supports companies from seed to growth, with a portfolio that includes successes like Datadog and Zendesk.

4. Plug and Play

Plug and Play operates a global innovation platform that connects early-stage startups to corporations and investors through accelerator programs across dozens of industries. Their ecosystem provides venture capital and fosters collaboration, helping to scale successful companies like Truebill, Honey, and Life360.

5. Nexus Venture Partners

Nexus Venture Partners helps founders build product-focused companies, partnering with them from inception to series-A. With $2.6 billion in capital, they primarily invest in enterprise software in the US and digitally-driven businesses in India, staying involved throughout a company's growth.

6. Craft Ventures

Specializing in the craft of building great companies, Craft Ventures provides early-stage and growth funding for businesses in SaaS, marketplace, and enterprise sectors. They partner with founders who have a clear vision, helping scale companies that include successes like Slack, Reddit, and SpaceX.

7. Sapphire Ventures

Sapphire Ventures partners with enterprise software companies and other venture funds, investing from seed to late stage to help them become category leaders. The firm has backed major successes like Docusign and Monday.com through its distinct investment arms for direct, fund, and sports-related ventures.

8. BoxGroup

BoxGroup provides early-stage capital, from pre-seed to Series A, to founders building category-defining technology companies. Their investment portfolio includes some of the most successful startups of the last decade, such as Plaid, Airtable, and Stripe.

9. Polaris Partners

With a dual focus on healthcare and biotechnology, Polaris Partners funds companies developing everything from new care delivery models to advanced therapeutics and genomics. Their investments have helped build companies like Gossamer Bio and Syros Pharmaceuticals, which are advancing patient care through scientific and technological breakthroughs.

10. Kleiner Perkins

Kleiner Perkins partners with founders from the earliest stages, investing in ambitious ideas across sectors like consumer tech, healthcare, and enterprise software. This long-term partnership approach has helped launch generation-defining companies such as Google, Uber, and Twitter.