Organization · Micro VC
43
43 is a pre-product micro-VC fund based in San Francisco that invests in early-stage companies, providing hands-on support to help founders achieve product/market fit.
Overview
What 43 does
What 43 is
43 is a pre-product micro-VC fund based in San Francisco that invests in early-stage companies, providing hands-on support to help founders achieve product/market fit.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Micro VC
- Structured capabilities
- Funder
- Last reviewed
- May 5, 2026
Official channels
Find 43 elsewhere
Open the official website or a supported primary organization account.
Capability profile
43 as a funder
Investment thesis
43 invests at 'Day 0' in pre-product companies, addressing capital, hiring, and go-to-market execution challenges to help founders achieve product/market fit.
Focus narrative
43 targets pre-seed investments in software companies, providing not only capital but also essential operational support to help founders navigate the early stages of their business. The fund's hands-on approach ensures that founders receive guidance in hiring, go-to-market strategies, and overall business development.
Value beyond capital
43 offers around-the-clock support to its portfolio companies, addressing key challenges in capital acquisition, talent management, and market entry. The fund's studio model allows for close collaboration between partners and founders, ensuring that startups receive tailored guidance and resources.
Terms and economics
- Typical check
- $100,000–$500,000
Focus and fit
- Stages
- Pre-seed
- Regions
- United States
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 3
Portfolio context
Insight Health AI — A healthcare technology company focused on AI solutions. PressBox — A business and productivity software platform. Nema Systems — An IT and deep tech company.
Common questions
What to know about 43
Upseed classifies 43 under the Micro VC organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
May 5, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.