RE

Refactor Capital — Pre-Seed VC Firm ($250K–$1.0M Checks)

VC
San Francisco, CAWebsite

Refactor Capital is a Pre-Seed venture capital firm based in San Francisco, CA investing in SaaS, Enterprise, Marketplace. The firm typically writes $250K–$1.0M checks and has 3 portfolio companies in our records.

Check size
$250K–$1.0M
Portfolio
3 companies on record
Partners
3 listed
AUM
$130M
Stage
Pre-Seed
Sectors
SaaS, Enterprise, Marketplace, Consumer, Developer Tools
HQ
San Francisco, CA

Last verified: 2026-06-06

Stage

Pre-Seed

Check Size

$250K – $1.0M

AUM

$130M

Portfolio

3+ companies

Team

3 partners

Investor activity
Investments in last 12 months: 0

Investment Thesis

Pre-seed fund investing in technical founders building software and developer/enterprise products.

How Refactor Capital invests

Refactor Capital is a vc firm based in San Francisco, CA. The firm invests at the Pre-Seed stage, with a focus on SaaS, Enterprise, Marketplace, Consumer, Developer Tools.

Refactor Capital typically writes checks of $250K–$1.0M per investment, backed by approximately $130M in assets under management.

Refactor Capital has backed 3 companies in our records, including Instacart, Handshake, Mammoth Biosciences.

Partners & Team

ZB

Zal Bilimoria

Founding Partner / Solo General Partner

hard tech
bio
climate
seed
pre-seed
Z

Zal

General Partner

seed-stage hard tech companies
pre-seed
seed
aerospace
energy
biology

Zal is the founding partner of Refactor Capital. He invests in seed-stage hard tech companies, primarily in the US, and leads or co-leads pre-seed and seed rounds with $1–2M checks from Refactor's 4th fund ($50M), which began deploying in July 2024. Refactor is described as an intentionally solo capitalist firm with one investor, fast decisions, and direct access to the person writing the check.

ML

Merrill Lutsky

Managing Partner

Pre-seed
Software

Industry Focus

Invests In

SaaS
Enterprise
Marketplace
Consumer
Developer Tools

Portfolio Companies (3)

Other

IN

Instacart

Marketplace / enterprise ops
HA

Handshake

B2B marketplace / SaaS
MA

Mammoth Biosciences

Biotech tools
How to pitch Refactor Capital
  • Raising at Pre-Seed? You're squarely in their sweet spot.
  • Lead with your fit in SaaS, Enterprise, Marketplace — the sectors they actively back.
  • Size your ask to their typical $250K – $1.0M check.
  • Address your outreach to a specific partner, such as Zal Bilimoria, Founding Partner / Solo General Partner.
  • A warm introduction beats a cold email. Get matched and request an intro.

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