Insights

Early-stage focus Annex Ventures targets early stage high technology and life sciences ventures with initial investments as low as 100K, indicating a potential for collaboration on seed rounds, advisory services, and value-added support for startups seeking strategic capital and mentorship.

Hands-on partner The firm emphasizes being hands-on with portfolio companies, leveraging experienced teams and strong industry connections, suggesting opportunities for co-marketing, introductions to strategic partners, and active board-level mentorship offerings.

Capital partnerships Annex collaborates with other venture capital firms, angel groups, and private investors to meet capital needs, signaling openings for syndication deals, pipeline sharing, and joint funding rounds with complementary investors.

PIPE investment angle Beyond private equity, Annex pursues private investments in public entities (PIPE) in small-cap biotech, medical devices, and technology sectors, presenting a channel for clients seeking liquidity events, post-IPO strategies, or strategic minority investments.

Low scale footprint With a small team (2-10 employees) and revenue under a million, Annex may benefit from scalable, outsourced business development services, founder introductions, and lean go-to-market support aimed at maximizing efficiency in fundraising outreach.

Similar companies to Annex Ventures

Annex Ventures Tech Stack

Annex Ventures uses 8 technology products and services including Open Graph, Squarespace, Squarespace Commerce, and more. Explore Annex Ventures's tech stack below.

  • Open Graph
    Content Management System
  • Content Management System
  • Google Fonts API
    Font Scripts
  • Modernizr
    Javascript Libraries
  • X-Content-Type-Options
    Web & Portal Technology
  • Adobe Fonts
    Web Fonts
  • Sitelinks Search Box
    Web Tools And Plugins

Annex Ventures's Email Address Formats

Annex Ventures uses at least 2 email formats:
Annex Ventures Email FormatsExamplePercentage
FLast@annex-ventures.comJDoe@annex-ventures.com
100%
First@annexventures.comJohn@annexventures.com
100%

Frequently Asked Questions

What is Annex Ventures's official website and social media links?

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Annex Ventures's official website is annexventures.com and has social profiles on LinkedIn.

How much revenue does Annex Ventures generate?

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As of September 2026, Annex Ventures's annual revenue is estimated to be <$1M.

What is Annex Ventures's NAICS code?

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Annex Ventures's NAICS code is 52391 - Miscellaneous Intermediation.

How many employees does Annex Ventures have currently?

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As of September 2026, Annex Ventures has approximately 2 employees across 1 continents, including North America. Key team members include Senior Business Analyst: J. B. Explore Annex Ventures's employee directory with LeadIQ.

What industry does Annex Ventures belong to?

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Annex Ventures operates in the Venture Capital and Private Equity Principals industry.

What technology does Annex Ventures use?

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Annex Ventures's tech stack includes Open Graph, Squarespace, Squarespace Commerce, Google Fonts API, Modernizr, X-Content-Type-Options, Adobe Fonts and Sitelinks Search Box.

What is Annex Ventures's email format?

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Annex Ventures's email format typically follows the pattern of FLast@annex-ventures.com. Find more Annex Ventures email formats with LeadIQ.

When was Annex Ventures founded?

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Annex Ventures was founded in 2005.
Annex Ventures logo

Annex Ventures

Venture Capital and Private Equity PrincipalsCalifornia, United States2-10 Employees

Annex Ventures is a small venture capital and private equity principals firm based in Los Altos, California. Since 2005, it has supported local and national companies in High Technology and Life Sciences, focusing on early-stage ventures and helping them grow through the firm's collective experience. The firm maintains a hands-on approach, providing financial backing along with advisory support and benefiting from strong ties to the broader business and venture communities. Most proposals come to Annex Ventures via referrals, though unsolicited plans are considered, with a primary emphasis on High Technology and Life Science ventures. Initial investments start around $100,000 and the firm collaborates with other venture capital groups and private investors to meet broader capital needs, including private investments in public entities through PIPE transactions in small-cap public biotech, medical devices, and technology companies.

Section iconCompany Overview

NAICS Code
52391 - Miscellaneous Intermediation
Founded
2005
Employees
2-10

Section iconFunding & Financials

  • <$1M

    Annex Ventures's revenue is estimated to be in the range of <$1M

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