Active US Family Offices Backing Early Stage Startups

Active US Family Offices Backing Early Stage Startups

Where US Family Offices Actually Deploy

US family offices are quietly becoming one of the most active sources of early-stage startup capital. In some markets, families now account for over 40% of all sub-Series B cheques. Yet most founders still focus only on traditional VCs, missing a class of investors with patient capital, no fund cycles, and direct decision-making power.

This database covers top US single family offices investing in early stage startups from Pre-Seed to Series A. Each entry maps the typical cheque range, niche investment sectors, stage and geography fit, and a specific approach strategy. Whether you are a founder looking for US family offices for Pre-Seed funding or exploring how to raise from US family offices for Seed and Series A rounds, this is built for you.

Before you start outreach, your data room should be ready for due diligence. Create your startup profile on Backrr so your pitch deck, traction, and cap table are consolidated in one place when a US family office responds.

Quick Summary: A curated database of 60+ active US single family offices investing in early stage startups across the United States and global markets. Covers Pre-Seed to Series A stages, cheque ranges from $100K to $10M, niche investment sectors, geography fit, and specific approach strategy for each family office. Updated May 2026.

US Single Family Office Database

Name & LinkedInTypical Check RangeNiche Investment SectorsBest For (Stage & Geography)How to Approach
Accathon Capital$250K–$2MTech, digital, MidwestPre-Seed to Seed; Midwest USAMidwest-based; early-stage friendly
Alpha Square Group$500K–$5MTech, crypto, alternativesSeed–Series A; globalCrypto/blockchain angle strong; active community
Arve Capital$250K–$2MTech, life sciencesSeed–Series A; DACHHeidelberg pharma/tech ecosystem connection
Aspida Capital$250K–$2MTech, digitalPre-Seed to SeedDirect LinkedIn; concise 1-pager
Beamonte Investments$500K–$3MLatAm-linked tech; fintechSeed–Series A; LatAm & USALatAm expansion angle; fintech preferred
Bezos Expeditions$1M–$10MDeep tech, space, AI infrastructure, climate, biotechSeed–Series A; globalWarm intro via portfolio founders only; not cold-outreach friendly
BoxGroup$100K–$2MConsumer, fintech, health, enterprisePre-Seed; USAWarm intro via YC/accelerator alumni; fast decisions
Bravia Capital$500K–$5MTech, media, entertainmentSeed–Series A; globalEntertainment-tech or media-tech preferred
Builders Vision$500K–$5MClimate tech, sustainable food, clean energySeed–Series A; USA & globalQuantified environmental outcomes required; patient capital mandate
Collaborative Fund$500K–$3MClimate, health, food, future of work, social impactSeed; USA & globalValues-alignment is a real filter; cold applications read via website
Crosscut Ventures$500K–$2MSaaS, marketplace, consumer, fintechPre-Seed to Seed; USADirect LinkedIn outreach to partners yields responses
Cue Ball Capital$500K–$2MConsumer tech, media, marketplace, brandSeed; USAFounder character weighted heavily; Northeast ecosystem connections help
Dominion Capital$500K–$5MTech, fintech, growthSeed–Series A; USA & globalActive LinkedIn presence; direct outreach with traction
Dr. Giesen Family Office$500K–$3MGeneralist; industrialsSeed–Series A; GermanyEssen-based industrial family; clean industry angle
Eagle Bay Family Office$500K–$3MGeneralist; private marketsSeed–Series ADirect LinkedIn; short professional pitch
Emerson Collective$500K–$5MEdTech, health equity, media, climateSeed–Series A; USALead with social impact + market size; pure profit pitch won't land
Espalier Ventures$250K–$2MAgri-food, sustainabilitySeed; globalFood-tech or agri angle preferred
Flat World Partners$250K–$2MImpact tech, fintech, education, emerging marketsPre-Seed to Seed; globalClear development impact + business model; warm intro preferred
Fox Rock Capital$500K–$3MTech, PE, alternativesSeed–Series A; USANew England ecosystem; formal pitch
GCAM Family Office$500K–$5MMulti-asset; PESeries A; USAFormal pitch with financial track record
Green Mesa Capital$250K–$2MTech, digital, sustainabilitySeed; USASustainability or green tech angle
Harbourdale Capital$500K–$3MPE, private marketsSeed–Series AUK-based; formal approach
Helios Capital$500K–$5MTech, growth equitySeed–Series A; USA & globalDirect outreach; strong growth metrics required
Hillspire$500K–$5MAI, robotics, software, biotechSeed–Series A; USA & globalAI-first thesis required; LinkedIn to investment team works
Insight Family Office$500K–$3MGeneralistSeed–Series ADirect LinkedIn outreach; 1-pager format
JAWS Estates Capital$1M–$5MPropTech, fintech, hospitality tech, consumerSeed–Series A; USARE/hospitality ecosystem connections are the best entry path
Jumana Capital$500K–$5MTech, energy, diversifiedSeed–Series A; USATexas/energy-adjacent angle; direct outreach
Kactus Capital$250K–$2MTech, alternativesPre-Seed to Seed; USADirect outreach; NYC startup ecosystem
Kapor Capital$500K–$3MHealthTech, fintech, climate, edtechSeed; USAApply via public pitch form; access-gap mission is a hard filter
KCY Family Office LLC$250K–$2MGeneralist; techPre-Seed to SeedDirect LinkedIn; concise pitch
Kompass Digital Ventures$250K–$2MDigital, SaaS, B2B techSeed; EuropeB2B SaaS angle strong; direct outreach works
LEPI Ventures$100K–$1MEarly-stage tech, BerlinPre-Seed to Seed; EuropeBerlin-based; early-stage friendly; direct LinkedIn
Lerer Hippeau$500K–$2MConsumer internet, media, B2B SaaS, healthPre-Seed to Seed; USAApply via website pitch form; NY media/tech network best entry
Miramar Equity Partners$500K–$5MGrowth equity; diversifiedSeries A; USATexas-based; strong unit economics required
Moll Family GmbH$500K–$3MTech, consumer, Berlin ecosystemSeed–Series ABerlin startup scene connection preferred
Momentum Capital$250K–$2MGrowth techSeed–Series ADirect LinkedIn; growth metrics lead
Moreira Family Office$250K–$2MGeneralist; LatAm-linkedSeed; USA & LatAmLatAm or USA-LatAm corridor angle
MPI Family Office$500K–$3MGeneralist; diversifiedSeed–Series A; USAFlorida-based; direct LinkedIn outreach
MSD Capital$1M–$10MEnterprise tech, SaaS, cybersecurity, fintechSeed–Series A; USA & globalWarm intro via Dell Technologies ecosystem; cold outreach low hit rate
Nima Capital$500K–$3MTech, alternativesSeed–Series A; globalDirect LinkedIn; clean pitch with market size
OHM CAPITAL$500K–$3MTech, energy, sustainabilitySeed–Series AEnergy transition or deeptech preferred
Omidyar Network$1M–$5MFintech, edtech, enterprise, emerging market techSeed–Series A; globalSubmit via open pitch page; emerging market angle genuinely valued
Onelin Capital$500K–$3MTech, Pacific NWSeed–Series A; USAPacific NW tech scene connection helpful
PagsGroup$500K–$5MFintech, tech, growthSeed–Series A; USAFintech angle strong; Boston/northeast ecosystem
Pritzker Group VC$500K–$5MSector-agnostic tech; consumer, fintech, SaaSPre-Seed to Seed; USAApply directly via website; open to cold applications
Proviniti$500K–$3MTech, professional servicesSeed–Series AB2B tech or professional services SaaS preferred
QVT Financial LP$1M–$10MQuant, alternatives, techSeries A; globalQuant-heavy; data-driven pitch required
Reinvent Capital$1M–$5MAI, enterprise software, frontier techSeed–Series A; USA & globalLinkedIn via Reid Hoffman's extended network is realistic entry
Reisser Capital$250K–$2MTech, digitalSeed; BerlinBerlin ecosystem; direct outreach
Sallyport$500K–$3MDiversified; PESeed–Series A; USATexas-based; direct LinkedIn approach
Sanner Ventures$250K–$2MMedTech, packaging, materialsSeed–Series A; globalSanner Group family office; MedTech angle strong
Select Family Office$500K–$3MGeneralist; alternativesSeed–Series AConcise deck; warm intro preferred
Sentinel Capital$500K–$5MGlobal growthSeed–Series BSee row 24
SGF Capital$500K–$3MGeneralist; Texas ecosystemSeed–Series A; USATexas-based; energy or tech preferred
Slow Ventures$250K–$1MConsumer, creator economy, SaaS, future of workPre-Seed to Seed; USA & globalCold pitches accepted; submit directly via website
Spielmann Capital$500K–$3MTech, generalistSeed–Series AProfessional pitch; warm intro preferred
Svalbard Capital Partners$500K–$3MEnergy, sustainability, NordicsSeed–Series AClean energy or Arctic/Nordic angle
SYNAPSION$500K–$3MTech, digital, SMESeed–Series A; DACHGerman Mittelstand ecosystem knowledge helpful
Tao Capital Partners$1M–$5MClimate tech, deep science, biotechSeed; USA & globalApproach via climate/deep tech ecosystem; co-invest rounds preferred
Thiel Capital$250K–$5MDefense tech, biotech, fintech, frontier tech, AIPre-Seed to Seed; USA & EuropeLead with a genuinely contrarian thesis; Thiel Fellowship network best entry
Webb Investment Network$100K–$1MSaaS, enterprise tech, security, marketplacePre-Seed to Seed; USAFind WIN-connected angels first; use them as intro path
WEGA Invest$500K–$3MGeneralist; Bavaria/Munich ecosystemSeed–Series A; DACHMunich ecosystem; warm intro works
ZetaPac Family Office$250K–$2MTech, digital, Silicon Valley adjacentPre-Seed to Seed; USACalifornia tech ecosystem; direct LinkedIn

Built The Right Investor Stack

Family offices in the US move differently from traditional VCs. They write direct cheques, hold longer, and weigh founder fit over fund timing. Founders who include US family offices in their fundraising strategy for early stage startups give themselves access to capital that institutional funds cannot match. Pair this list with our resources on global family offices for early-stage startups, Singapore angel investors, and Dubai venture investors to map the full cross-border picture.

The next step is making sure your startup is investor-ready before you reach out. Create your startup profile on Backrr and consolidate your traction, deck, and cap table in one place. When a US family office responds, your data should already be doing the talking.

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