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Warm Fund

AirTree Ventures

airtree.vc · Sydney, Australia

“Big things start small. We invest at seed stage and see potential where others don't.”

$250K – $20M
Check Size
Leads
Lead Tendency
$2B
AUM
~2 Weeks
Timeline
01Investment Thesis

We believe in your vision for your company's future, not as it exists today. We think in decades, not days, committing to walk the entire journey with founders to build iconic companies. We share Antipodean ingenuity with the world.

Exclusion Criteria

We avoid pure play hardware, gambling/casino businesses, and non-technology ventures without strong tech differentiation.

02Investment Team
CB
Craig Blair
Co-founder and Partner
03F4 Research Brief

AirTree Ventures Research

Investment Thesis

AirTree Ventures was born from the belief that world-class technology businesses can be built from Australia and New Zealand. The firm partners with founders from the very beginning, providing capital, network, resources, and strategic support to shortcut company-building firsts and unlock global success. AirTree's core philosophy is investing at seed stage where they can see potential before it's obvious to others, believing in founders' visions for what their companies can become, not just what they are today.

The firm emphasizes a long-term partnership approach, thinking in decades rather than days. They commit to walking with founders through the entire journey to building iconic companies. AirTree has successfully invested in over 125 portfolio companies across both Australia and New Zealand (ANZ), creating approximately 19,000+ jobs directly through these ventures.

Sector and Model Focus

AirTree is a generalist early-stage venture capital firm with a multi-sector approach. Their portfolio spans enterprise software, developer tools and infrastructure, fintech and payments, healthcare technology, consumer and creator economy platforms, EdTech, cybersecurity, climate and sustainability, NFTs and digital assets, and AI/robotics. AirTree is particularly strong in B2B SaaS and software companies, demonstrating significant expertise in scaling technology businesses. They actively back founders building in emerging technologies including AI/ML, blockchain, and robotics.

Stage Focus

AirTree primarily invests at the seed stage ($250K-$3M+) but maintains a sophisticated multi-stage approach. Pre-seed investments range from $250K-$500K for teams with solid ideas and founders. Seed investments typically range from $1M-$3M for companies with working products and initial traction. The firm also maintains selective follow-on investments in portfolio companies at Series A/B, with a new growth fund (Fund V) providing $5M-$20M+ for scaling companies approaching unicorn status. The firm is known for being the "first institutional investor" for many of their companies, demonstrating comfort with early-stage risk and founder teams without prior exits.

Fund Status and Capital Deployment

AirTree just closed Fund V in August 2025 with $650 million AUD (~$425M USD), split between a $250 million seed fund for early-stage investing and a $400 million growth fund for scaling portfolio companies. Over 50% of capital comes from tier-one global institutional investors. The firm has cumulative AUM of $2 billion across all fund vintages (Funds I-V). Fund V is currently in active deployment phase with recent investments throughout 2025, including TestBox investment on October 29, 2025. The fund demonstrates strong capital velocity with aggressive deployment schedule.

Check Size

Typical investment tickets vary by stage. Pre-seed investments range $250K-$500K. Seed stage investments typically $1M-$3M per round, often leading or co-leading rounds. Portfolio follow-ons range $500K-$5M+, while growth stage Fund V can reach $5M-$20M+. AirTree targets ownership positions of 15-25% in seed investments, typical for lead or lead-with-co-lead structures. The firm maintains 50% reserve allocation for follow-on investments in strong performers.

Lead Tendency

AirTree is comfortable taking lead investor positions at the seed stage. Evidence from their portfolio shows frequent lead rounds in seed stage, selective co-lead positions in Series A/B, and some participation roles in later stage rounds. The firm demonstrates active board seat participation for seed investments and hands-on operational support indicating strong conviction on their leads.

Decision Process

Investment decisions are made by the partnership, not solo GPs. The firm has evolved to include a team of 7 partners with complementary expertise: Craig Blair (co-founder), Helen Norton, Kell Reilly, Elicia McDonald, James Cameron, John Henderson, and Jackie Vullinghs. Partnership culture emphasizes collaborative decision-making with specialization by partner across sectors and company stages. Decisions typically require partner consensus, indicating thoughtful vetting and diverse perspectives.

Decision Timeline

Based on portfolio company feedback and fund activity patterns, AirTree's typical decision timeline is 2-4 weeks. The firm appears to move quickly once committed to due diligence. Their ability to deploy $650M in Fund V suggests efficient decision-making processes. Founders consistently describe rapid partnership engagement once serious conversations begin.

Warm Introduction Requirement

While AirTree is highly network-dependent (describing themselves as "network-powered VC"), they maintain accessibility through an open application process on their website and response to unsolicited inquiries. Warm introductions accelerate process substantially (weeks vs. months) but are not absolute gate-keepers. The firm also maintains angel investor network (Explorer program), founder referral network, and operator network providing founder recommendations.

Geographic Focus

Primary markets are Australia (Sydney-headquartered, strong across eastern seaboard) and New Zealand (significant commitment, co-branded "ANZ" focus). Secondary markets include selective international follow-ons for portfolio companies expanding globally, particularly in the US for top ANZ companies like Airwallex, Canva, and Linktree.

Notable Portfolio Achievements

AirTree's portfolio includes multiple unicorns and category-defining companies. Canva (design platform) raised Series A investment and is now valued at ~$25B (2023). Airwallex (global financial platform for businesses) is valued at ~$9.6B with ongoing Series F investments (2025). Linktree (creator economy platform) achieved unicorn status in 2023 from seed investment. Employment Hero (HR/payroll platform) shows strong growth trajectory from seed investment with ~$1B+ valuation. SafetyCulture is a high-growth portfolio company. The firm also has multiple successful exits including Brosa (furniture e-commerce), Elevio (product education), Ento (workforce management), Hyper Anna (data accessibility), and A Cloud Guru (online learning acquired).

Operational Support Profile

Beyond capital, AirTree provides comprehensive operational support including active recruiting support and exec hiring through talent network, customer introductions leveraging 125+ portfolio companies for cross-selling opportunities, PR support and media relationships, sector expertise and GTM guidance, community of founder peers facing similar challenges, 250+ experienced operators available for mentorship, financial planning support (parental leave policies, founder pay equity, financial health), and company building templates and frameworks freely available. The firm also runs founder diversity programs including Pioneer Program (women and gender-diverse founders) and Explorer Program (angel investor training with deliberate inclusion focus).

Team Philosophy

Partners are highly accessible to portfolio founders, with multiple founder testimonials noting direct engagement and hands-on operational support beyond typical VC partnership. The firm's philosophy centers on long-term partnerships, thinking in decades rather than quarters, and building community. They emphasize "Big things start small" with aggressive seed investing, network effects and community building as competitive advantage, responsibility to ANZ ecosystem development beyond portfolio returns, and inclusive capitalism through diversity commitments. The firm positions itself as a premium boutique VC with institutional capital, founder-centric operations, and regional focus on ANZ.

04Selected Portfolio
Aerospace & Defense
Advanced Navigation
Consumer Apps & Social
Fetch
Developer Tools & Infrastructure
Buildkite
E-commerce & Marketplaces
Linktree·Pet Circle·Abyss Solutions·Brosa·Cardly·Earth AI·Elevio·GlamCorner·HEO Robotics
EdTech
A Cloud Guru·Go1·Build Club·Edrolo
Energy & Power
Ento·Gridsight
Enterprise Software
Canva·SafetyCulture·Mr Yum·Archistar·Askable·Athena·Calven·Circular·Dgraph·DroneDeploy·EQL·Expert360·Futureverse·Happy or Not·Hnry·Hyper Anna·Firmable·Atrium·Kimia
Fintech & Payments
Airwallex·Brighte·CryptoTaxCalculator·Frankieone·Grow Inc·InDebted·Alloy
Gaming
Immutable·Human
Healthcare & Digital Health
Ambience Healthcare·Chemist2U·HotDoc·Human Health·Everlab
HR Tech & Future of Work
Employment Hero
Manufacturing & Industrial
Atrium
Marketing & Adtech
Haast
Media & Entertainment
90 Seconds·Arinex·Design.com
Real Estate & PropTech
Different
Security & Cybersecurity
Secure Code Warrior·CipherStash·Darwinium
Other
Eucalyptus·Constantinople·Fair Supply·Harmony Intelligence·Cuttable
Open the full portfolio→
05Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

See full activity (17) →
Led Everlab's AU$65M Series A to expand its preventative healthcare platform.
INVESTMENT·everlab.com.au+1
JUN 17, 2026
Invested in Cuttable, helping creative teams build digital campaigns fast.
INVESTMENT·airtree.vc
Added recently
Invested in Atrium, reimagining relationship management with modern CRM technology.
INVESTMENT·airtree.vc
Added recently
Invested in Alloy, a robotics data infrastructure company building infrastructure for modern robotics teams.
INVESTMENT·airtree.vc
Added recently
Portfolio company Twine completed a merger/acquisition exit.
EXIT·pitchbook.com
APR 2026
06Frequent co-investors
B
Blackbird
Both backed 6 of the same companies
SafetyCulture, Kimia, Build Club, Dgraph,
+2 moreAirwallex, Canva
T2
The 20VC Fund
Both backed 5 of the same companies
Firmable, Alloy, Frankieone, EQL,
+1 moreCryptoTaxCalculator
T
TEN13
Both backed 3 of the same companies
Everlab, Go1, Atrium
AV
AfterWork Ventures
Both backed 2 of the same companies
Everlab, 90 Seconds
BS
Black Sheep Capital
Both backed 2 of the same companies
Haast, Go1
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Quick Reference
Check Size
$250K – $20M
Stages
Pre-Seed · Seed · Series A · Series B · Growth
AUM
$2B
Decision
Partnership · ~2 Weeks
Warm Intro
Preferred
Involvement
Board Seat
Location
Sydney, Australia
Sector Focus
Fintech & PaymentsConsumer Apps & SocialEdTechClimate & SustainabilityEnterprise SoftwareDeveloper Tools & InfrastructureSecurity & CybersecurityHealthcare & Digital Health
Models
SaaSDeveloper ToolsFintechEdTechHealthcare TechB2B Software
Technology
AI/MLBlockchainRoboticsData Infrastructure
See all Fintech & Payments investors →See all Consumer Apps & Social investors →See all EdTech investors →
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Focus Areas
Fintech & PaymentsConsumer Apps & SocialEdTechClimate & SustainabilityEnterprise SoftwareDeveloper Tools & InfrastructureSecurity & CybersecurityHealthcare & Digital Health

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F4 Intelligence Report · Last Researched August 4, 2026F4 Research Engine