Coelius Capital
Venture capitalActively deployingSan Francisco · Pre-Seed–Seed · 1 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 · 1 people
from public directories
What they invest in
from 11 of 13 portfolio companiesSaaS ×7AI & Machine Learning ×4Enterprise Software ×4Future of Work ×4Marketing Tech ×4AdTech ×2Developer Tools ×2Fintech ×2
HQs:United States×8
Investments · 13 tracked
founders shown can be your intro pathBy year:2024 · 12017 · 12 dated
Upflex provides a platform and analytics dashboard that gives mid-size and enterprise companies access to a global network of flexible workspaces and helps them manage office usage across owned, leased, and third-party spaces.
Future of WorkMarketplacesPropTechSaaSNew York, US
Christophe Garnier(CEO & Co-founder)Rajinder Dhaliwal(Director)Ginger Dhaliwal(Co-founder)
BoardSasha Brown(Director)
Board seatZach Coelius· per SEC Form D · $6.9M raise · filed Apr 2024
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)Kristina Salen(Executive Officer)Ripsy Bandourian(Executive Officer)Ewelina Macewicz(Executive Officer)Selim Dogguy(Executive Officer)Greg Sheppard(Executive Officer)
PartnerZach Coelius· solo GP
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
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
PartnerZach Coelius· solo GP
Dropbox Sign is an electronic signature platform that enables businesses to prepare, send, sign, and track legally-binding contracts and documents from anywhere.
Enterprise SoftwareFuture of WorkLegalTechSaaSSan Francisco, US
Neal O'Mara(Founder/CTO)in
PartnerZach Coelius· solo GP
PartnerZach Coelius· solo GP
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
Mercury provides a banking platform for entrepreneurs and startups that integrates checking, savings, credit, debit cards, payments, invoicing, bill pay, and cash flow management in a single interface.
Enterprise SoftwareFintechSaaSSector Agnostic
Immad Akhund(Founder & CEO)in
PartnerZach Coelius· solo GP
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)inDave Myers(Executive Officer)Michael Katz(Executive Officer, Director)in
PartnerZach Coelius· solo GP
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
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 Tech
PartnerZach Coelius· solo GP
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
- 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.
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 · 80
Spark Capital is a venture capital firm that backs founders across technology and consumer companies; it notably led 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's Strategic Partnerships page describes collaborations that connect its portfolio companies with established institutions to help scale and deploy their technology.
Sequoia Capital is a venture capital firm that partners with founders to build technology companies, with a strong current focus on artificial intelligence.
Founders Fund is a venture capital firm that invests in companies building transformative technologies across defense, space, data analytics, and other frontier sectors.
Founder Collective is an early-stage venture capital firm focused on seed and pre-seed investments across all sectors.
Felicis Ventures is an early-stage venture capital firm that has backed founders for over 20 years, leading or co-leading the majority of its investments across seed and Series A rounds.
Bain Capital Ventures is the venture arm of Bain Capital, backing founders from incubation and seed through growth-stage, leveraging Bain Capital's global platform, industry expertise, and network.
Coatue Management is a technology-focused investment firm that invests across both public and private markets, with an active private portfolio of over 250 tech companies.
Battery Ventures is a global investment firm that has backed more than 450 companies over its 40-year history, with a team operating as a single global unit and offering focused support services in talent, business development, marketing/communications, and growth/leadership.
SignalFire is a venture capital firm that positions itself as being built like a tech company, offering founders in-house AI/ML tools, data, advisory programs, and sector experts to support their portfolio.
Golden Ventures is a seed-stage venture capital firm that backs early-stage technology companies, with a portfolio concentrated in Canada.
▶68 more co-investors
Trucks VCPIPELINE CAPITAL PARTNERSNKM CapitalGV (Google Ventures)Craft VenturesKhosla VenturesGreylock PartnersNew Enterprise Associates (NEA)Long Journey VenturesFoundation CapitalBoxGroupQuiet CapitalGoat 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 LLPSaaSholicSommet 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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