San Francisco · Pre-Seed–Seed · 2 people tracked
Also known as Coelius Capital Rolling
Investment thesis
Coelius Capital focuses on early-stage technology startups, primarily backing B2B or B2B2C companies. The firm favors unconventional, 'weird' ideas and emphasizes that validated ideas hold the real value. Typical investment checks range from about $200k to $1m. Founders seeking funding are asked to submit a deck, summary, or at least a paragraph describing their company.
Source: firm website, verified Aug 7, 2026.
Team · 2 people
from public directories
What they invest in
from 12 of 14 portfolio companiesSaaS ×8AI & Machine Learning ×5Enterprise Software ×4Future of Work ×4Marketing Tech ×4AdTech ×2Data & Infrastructure ×2Developer Tools ×2
HQs:United States×11
Who they back
founder profiles across 7 portfolio companiesWhere their founders worked beforefrom 10 founders with career history
Mercury Technologies, Inc. ×2
Accelerator rootsportfolio companies that came through a program
Investments · 14 tracked
founders shown can be your intro pathBy year:2024 · 12021 · 12017 · 13 dated
Upflex is a workplace optimization platform that combines an on-demand global workspace network with an AI tool (UnifyAI) that forecasts office attendance, coordinates hybrid teams, and helps consolidate real estate.
AI & Machine LearningFuture of WorkMarketplacesPropTechSaaSNew York, US
Christophe Garnier(CEO & Co-founder)inRajinder Dhaliwal(Director)Ginger Dhaliwal(Co-founder)in
BoardSasha Brown(Director)
Board seatZach Coelius· per SEC Form D · $6.9M raise · filed Apr 2024
Co-investorsBoro CapitalEcosystem Integrity FundGPO FundPerennial PartnersInertia Ventures
Booksy is a free mobile app for discovering and booking appointments with beauty and wellness service providers such as barbers, hairdressers, massage therapists, and manicurists.
ConsumerMarketplacesChicago, US
Konrad Howard(Executive Officer)Stefan Batory(Founder & CEO)Kristina Salen(Executive Officer)Ripsy Bandourian(Executive Officer)Ewelina Macewicz(Executive Officer)Selim Dogguy(Executive Officer)
PartnerZach Coelius· solo GP
Co-investorsAternusEndeavor CatalystInovia CapitalInovo VCKAYAManta Ray Ventures+8 more
Branch is an AI-powered mobile measurement partner (MMP) and omnichannel linking platform that helps brands measure marketing impact and guide customers across apps, web, email, paid media, social, and connected TV.
AdTechAI & Machine LearningMarketing TechSaaS
Mada Seghete(Founder)Mike Molinet(Founder)
PartnerZach Coelius· solo GP
Co-investorsCowboy VenturesMadrona Venture GroupNew Enterprise Associates (NEA)Pear VCPlayground GlobalZenStone Venture Capital+5 more
Shortcut (formerly Clubhouse) is a project management and issue-tracking platform for software teams, offering sprints, roadmaps, goals, and workflows where both people and AI agents can plan, build, and ship work.
Developer ToolsFuture of WorkSaaS
PartnerZach Coelius· solo GP
Cruise develops autonomous electric vehicle technology for urban transportation.
Advanced ManufacturingAI & Machine LearningClimate TechMobility & TransportationSan Francisco, US
Kyle Vogt(Founder/CEO)inDaniel Kan(Founder/COO)in
PartnerZach Coelius· solo GP
Co-investors11.2 CapitalDraper AssociatesFelicis VenturesFounder CollectiveHomebrewJazzya Investments+15 more
Dropbox Sign (formerly HelloSign) is an electronic signature tool for sending, signing, and managing agreements such as sales contracts, NDAs, and offer letters.
Enterprise SoftwareFuture of WorkLegalTechSaaSSan Francisco, US
Neal O'Mara(Founder/CTO)in
PartnerZach Coelius· solo GP
Co-investorsBling CapitalSpider CapitalUS Venture PartnersWebb Investment NetworkY Combinator
Hudson MX sells cloud-based SaaS software for media buying, planning and media accounting to agencies and advertisers.
PartnerZach Coelius· solo GP
Co-investorsCerity Partners VenturesSandalphon Capital
Jobox provides a marketplace platform that connects skilled home service professionals with customer demand through retailers, franchises, and small businesses across the US.
B2B MarketplacesFintechFuture of WorkSaaSSan Francisco, US
Moshe Levi(Director)Shay Bloch(Executive Officer, Director)
PartnerZach Coelius· solo GP
Co-investorsAcequia Capital (AceCap)Resolute VenturesVela Partners
Mercury is an investor database listing venture capital investors and their sector focus areas.
Data & InfrastructureEnterprise SoftwareFintechSaaSSector Agnostic
Immad Akhund(Founder & CEO)inJason Zhang(Co-Founder and Chief Operating Officer)inMax Tagher(Co-Founder and Chief Technology Officer)in
PartnerZach Coelius· solo GP
Co-investors500 GlobalAndreessen HorowitzAngel Collective Opportunity FundBetter Tomorrow VenturesBuilders + BackersChapter One+38 more
mParticle provides a customer data platform that consolidates first-party data across channels to help businesses scale operations.
Data & InfrastructureEnterprise SoftwareMarketing TechNew York, US
Andrew Katz(Executive Officer, Director)inMichael Katz(Executive Officer, Director)inDave Myers(Executive Officer)
PartnerZach Coelius· solo GP
Co-investorsArrowroot CapitalBowery CapitalEniac VenturesGolden VenturesGolub GrowthHarmony Partners+5 more
NotiSphere appears to provide digital communication systems for supply disruption notifications, particularly focused on FDA recalls and hospital supply chain transparency.
HealthtechSaaSWest Hollywood, US
Guillermo RamasGuillermo M. Ramas(Executive Officer, Director)
BoardMarc Averitt(Director)in
Co-investorsSupernode VenturesOkapi Venture CapitalRise of the Rest SeedThe Fund
OneSignal provides customer engagement and messaging infrastructure that enables businesses to send personalized, omnichannel communications to their customers at scale.
AI & Machine LearningCloud ComputingDeveloper ToolsEnterprise SoftwareMarketing TechSaaSSan Francisco, US
George Deglin(Founder/CEO)inLong Vo(Founder/COO)in
PartnerZach Coelius· solo GP
Co-investorsHemisphere Ventures LLCHubSpot VenturesNewView CapitalNimble PartnersSignalFireY Combinator+1 more
Wunderkind is a performance marketing platform that helps brands acquire and retain customers through personalized experiences across websites, email, text, and ads.
AdTechAI & Machine LearningDirect to ConsumerMarketing TechNew York City, US
PartnerZach Coelius· solo GP
Co-investorsA-Rod CorpArcher Capital GroupArcher Venture CapitalBattery VenturesContour Venture PartnersCross Creek Advisors+4 more
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Exits · 1
IPOs and acquisitions across the tracked portfolioHelloSignacq. by Dropbox
Portfolio news
latest coverage across their companiesMercury · marketbeat.com · Jul 18, 2026
OneSignal · ycombinator.com · Jul 14, 2026
Cruise · insidermonkey.com · Jul 1, 2026
mParticle · investorshangout.com · Jun 25, 2026
Branch · trysignalbase.com · Mar 25, 2026
Frequently asked questions
- How many investments has Coelius Capital made?
- Coelius Capital has 12 tracked investments, 3 of which have exited via acquisition or IPO.
- What stage does Coelius Capital invest at?
- Coelius Capital invests at the Pre-Seed, Seed stages.
- What is Coelius Capital's typical check size?
- Coelius Capital typically writes checks of $200K – $1M.
- What sectors does Coelius Capital focus on?
- Coelius Capital focuses on Data & Infrastructure, Enterprise Software, Healthtech, SaaS.
- Where is Coelius Capital located?
- Coelius Capital is headquartered in San Francisco, US.
- Does Coelius Capital lead rounds?
- Yes, Coelius Capital leads investment rounds.
- Who does Coelius Capital co-invest with?
- Coelius Capital most often shares deals with Y Combinator, Homebrew, NewView Capital, among 101 tracked co-investors.
Media · Podcasts & interviews
featuring the teamWho Wins the AI Race: Startups or Giants? | Zach Coelius, Coelius Capital
VNTR · Zach Coelius
Zach Coelius (Coelius Capital) - From Entrepreneur to Investor: Finding Product Market Fit
Techsylvania · Zach Coelius
Q&A - Zach Coelius (Coelius Capital)
Techsylvania · Zach Coelius
He raised a $33 Million VC fund in 3 weeks over Zoom calls🤯 - Zach Coelius, Founder, Coelius Capital
VC10X with Prashant Choubey · Zach Coelius
Venture Insights with Zach Coelius: Unlocking Startup Potential at Coelius Capital
Grace Gong · Zach Coelius
How To Raise a VC Fund as a Solo GP: Zach Coelius of Coelius Capital
Foundersuite: Fundraising For Startups · Zach Coelius
Images
Co-investors · 81
Spark Capital is a venture capital firm that partners with founders, known for early investments including leading Twitter's Series B in 2008.
Homebrew is an early-stage venture firm backing mission-driven founders, investing its own capital primarily at the pre-seed and seed stages.
Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.
Sequoia Capital is a venture capital firm that partners with founders to build technology companies.
Founders Fund is a venture capital firm that backs technology companies building transformative products.
New Enterprise Associates (NEA) is a venture capital firm that invests in and provides long-term support to founders building new companies.
Founder Collective is a seed and pre-seed stage venture capital firm that invests across sectors, describing itself as sector agnostic and anti-thematic.
Felicis Ventures is a venture capital firm that backs founders primarily at the Seed and Series A stages, frequently leading or co-leading rounds. It operates with a founder-first approach, including a founder pledge and voting commitments.
BCV Labs is the platform and hands-on support arm of Bain Capital Ventures, providing portfolio founders with go-to-market strategy, brand development, hiring assistance, and customer introductions.
Coatue Management is a technology-focused investment firm that invests in innovation across both public and private markets with responsible risk management.
Battery Ventures is a global investment firm that has backed more than 450 companies over its 40-year history, operating its investment staff as a single global unit.
Quiet Capital is an early-stage venture firm run by builders who back founders from day zero.
▶69 more co-investors
SignalFireGolden VenturesTrucks VCPIPELINE CAPITAL PARTNERSNKM CapitalGV (Google Ventures)Craft VenturesKhosla VenturesGreylock PartnersLong Journey VenturesFoundation CapitalBoxGroupGoat CapitalOffline VenturesRRE VenturesFundersClubAME Cloud VenturesForerunner VenturesElectric CapitalQED InvestorsPoint NineFoundryDCM VenturesKindred VenturesHustle FundUncorrelated VenturesTribe Capital FirstlookArray Ventures Management LlcSaga VenturesMaC Venture CapitalZetta Venture PartnersPoint72 VenturesOMERS Ventures2xNPolychain CapitalAnorak VenturesStageOne VenturesGraph VenturesBDC Venture CapitalRavelin CapitalHighbury HoldingsMorado Venture PartnersSweet CapitalLombardstreet VenturesMerus CapitalVersion One VenturesPrimitive VenturesTRANSFORMATION CAPITALJAZZ Venture PartnersBetter Capitalsuper{set}Ligature VCPiton Capital LLPOperator VenturesSaaSholicSommet ABInvariantes FundCapnamicIris CapitalSand Hill AngelsFabric VenturesMsd CapitalBDMICake VenturesSCOR VenturesGTMfundBeringeaOmni VenturesVree Ventures
Firms observed investing alongside Coelius Capital, from public investor directories. Shared companies are the overlap with Coelius Capital's recorded portfolio.
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