Side Door Ventures

www.sdv.vc

VCMatch tracks Side Door Ventures as an investor focused on Enterprise SaaS, Biotech, and Space Tech companies, Pre-Seed and Seed rounds, Global and Michigan markets, and $500k to $5m check sizes. Upload your deck to compare your startup against the full private matching profile.

Check Size

$500k to $5m

Stages

Pre-Seed, Seed, Series A, Series B, Series C

Focus Areas

Enterprise SaaS, Biotech, Space Tech

Geography

global and Michigan

Investment Thesis

Side Door Ventures is a global, generalist VC that intentionally backs ambitious, non-consensus founders building on the “fringe.” They deploy smaller, early checks to seed new ideas (and specifically into Web3 and frontier tech), reserve significant follow-on capital (50% of the flagship fund) to support growth, and also offer larger lead and Series A+ checks to scale breakout companies—combining a broad sector mandate with staged funding strategies to help companies achieve rapid growth.

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Investment Focus

Who should take a closer look

Side Door Ventures is most relevant for founders raising Pre-Seed, Seed, and Series A rounds in Enterprise SaaS, Biotech, Space Tech, and Blockchain Crypto, especially across global and Michigan, with public check-size signals around $500k to $5m.

Focus statement

They take a generalist approach and invest globally in audacious founders across software, life sciences, space, frontier tech, blockchain, gaming, and financial services, while operating targeted vehicles/mandates for Michigan-headquartered seed-stage deep tech and Web3 companies.

Value Add

Multi-pronged fund structure with distinct check sizes and mandates: Up to $500K first checks (generalist Seed), Up to $1.5M lead checks for Michigan-headquartered seed-stage companies, Up to $300K for Web3, and Up to $5M into fast-scaling Series A+.
Explicit reserve strategy: "50% of this flagship, generalist fund is reserved for follow-on investments to continue to support founders as their companies grow."
Deep Web3 expertise: "With 40+ patents and over a decade of experience in Web3, SDV strives to maintain its role as a true ecosystem player and a trusted resource for founders."
Regional commitment plus global scope: a dedicated Michigan lead-check mandate (manufacturing, advanced mobility, AI/ML, clean energy, deep tech) while maintaining "no geographical restrictions" and investments across five continents.
Operationally diverse team: "a globally distributed team of founders, biotech scientists, space engineers, and growth experts" who can support technical and growth needs.
Fast decision-making and founder-friendly process: aims to decide in less than four weeks and "currently average just shy of two weeks to make a final decision."
Willingness to be first money in on convertible instruments (e.g., SAFE) while rarely leading priced rounds.