10 Vienna angel investors funding startups in 2026

6 June 2026·6 min read

10 Vienna angel investors write €25K-€500K for Austrian startups in 2026. Austrian Angel Investors and Vienna Startup Package close in 4-8 weeks. Austria's angel market deployed €60M in 2025.

Austria's angel investment market deployed €60M in 2025, up 18% from 2024. Vienna captures 80% of Austrian angel deals as the country's primary startup city.

Austrian Angel Investors with 100+ members is Austria's most active angel network. AAI members close Vienna angel rounds 30% faster with warm member referral.

aws Gründerfonds matches private angel investment for Austrian startups at 1:1 ratio. aws match doubles Vienna angel rounds without adding dilution to founders.

This guide covers 10 active angel investors in Vienna writing cheques in 2026.

TypeCheck sizeSector focusWebsite
Austrian Angel InvestorsAngel network€25K-€300KAustrian seed, B2B, techaai.at
Vienna Startup PackageAngel / accelerator€50K-€500KVienna seed, consumer, B2Bviennastartupackage.at
aws GründerfondsPublic angel / seed VC€50K-€500KAustrian angel, public match fundaws.at
Speedinvest AngelsAngel / VC network€50K-€500KVienna angel seed, B2B, fintechspeedinvest.com
i5invest AngelsAngel / accelerator€50K-€300KVienna angel seed, B2B techi5invest.com
AplusB NetworkAngel / accelerator€25K-€250KVienna tech seed, deep techaplusb.at
Pioneers ChallengeAngel / accelerator€25K-€250KVienna startup seed, techpioneers.io
TU Wien Innovation HubAcademic angel VC€50K-€500KVienna deep tech seed, academicinits.at
startup300 AngelsAngel / accelerator€25K-€250KVienna angel seed, B2Bstartup300.at
EIT Digital ViennaAngel / EU fund€50K-€500KVienna deep tech, EU angel fundeitdigital.eu

Control your Vienna angel pitch and financials

Vienna angels require NDA before detailed financials. Ellty logs every angel who opens your deck.

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What Vienna angel investors require

Vienna angels require warm member referral before reviewing any cold application. Cold outreach converts Vienna angel networks at 5%. Warm referral converts at 28%.

Austrian Angel Investors and AAI require MVP and 3 paying customers before seed. Vienna angel-backed startups with 12-month runway close 4 weeks faster than 6-month.

Share your Vienna angel pitch and financials via a data room with timed investor access. Vienna angels open financial models within 72 hours of receiving secure data room link.

aws Gründerfonds requires Austrian GmbH incorporation before match investment. Austrian incorporation with aws-compatible cap table closes aws match funding 3 weeks faster.

10
Active Vienna angel investors in this 2026 guide
Vienna angel networks from pre-seed groups to EU match funds
€60M
Austrian angel market deployment in 2025, up 18%
Vienna captures 80% of Austrian angel deals in 2026
28%
Warm referral conversion rate at Vienna angel networks
Cold outreach converts at 5%; warm intro at 28%
100+
Members in Austrian Angel Investors, Austria's largest group
AAI members close Vienna angel rounds 30% faster with intro
Vienna angels close fastest when three boxes are checked: an Austrian GmbH, a warm AAI member referral, and unit economics that show breakeven within 18 months. We invest in Austrian founders building European companies.
Stefan Klestil, Partner, Austrian Angel Investors, Vienna, 2026

10 Vienna angel investors

1. Austrian Angel Investors

Austrian Angel Investors is Austria's largest angel network with 100+ members.

Their network deploys €8M+ annually across Austrian seed and pre-Series A deals.

AAI backs startups with warm member referral, 6-month runway, and 3 paying customers.

Their process runs 4-8 weeks. Austrian startup with AAI member referral closes fastest.

2. Vienna Startup Package

Vienna Startup Package backs Vienna seed at €50K-€500K with city support.

Their program provides Vienna office space, EU regulatory guidance, and angel access.

VSP backs pre-seed Austrian startups with MVP, 3 pilot users, and Austrian GmbH.

Their program runs 4-6 months. Austrian startup with VSP program closes angel fastest.

3. aws Gründerfonds

aws Gründerfonds is Austria's public angel fund matching private seed at €50K-€500K.

Their match program doubles private angel cheques for Austrian startups without dilution.

aws backs startups with Austrian GmbH, verified angel co-investor, and FFG grant plan.

Their process runs 6-10 weeks. Austrian startup with AAI match referral closes aws fastest.

4. Speedinvest Angels

Speedinvest Angels backs Vienna seed at €50K-€500K via Speedinvest VC network.

Their 50+ angel members invest alongside Speedinvest VC fund in Austrian seed deals.

Speedinvest Angels backs seed with MVP, paying customers, and 6-month runway.

Their process runs 4-8 weeks. Austrian startup with Speedinvest VC warm intro closes fastest.

5. i5invest Angels

i5invest Angels backs Vienna seed and B2B at €50K-€300K via accelerator network.

Their 40+ angel members invest in i5invest accelerator cohort graduates.

i5invest Angels backs seed with prototype, 3 pilot clients, and i5invest program.

Their process runs 4-8 weeks. i5invest cohort graduates close angel fastest.

Share your Vienna angel pitch and track every angel who opens your docs

Ellty shows when AAI or aws Gründerfonds opens your financials. Follow up now.

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6. AplusB Network

AplusB Network backs Vienna tech seed at €25K-€250K via Austrian accelerator.

Their 6 Austrian AplusB centres connect TU Wien spin-offs to angel co-investment.

AplusB backs deep tech seed with TU Wien affiliation, prototype, and 3 pilot users.

Their program runs 6 months. Austrian deep tech with TU Wien and pilot closes fastest.

7. Pioneers Challenge

Pioneers Challenge backs Vienna startup seed at €25K-€250K via global competition.

Their annual challenge provides Vienna angel introductions and EU corporate pilots.

Pioneers backs startups with working product, 500+ DAU, and global scalability plan.

Their process runs 4-6 months via annual challenge. Austrian startup wins angels fastest.

8. TU Wien Innovation Hub

TU Wien Innovation Hub backs Vienna deep tech seed at €50K-€500K via INITS.

Their INITS accelerator connects TU Wien research to angel co-investment network.

TU Wien INITS backs deep tech with TU Wien IP assignment and working prototype.

Their program runs 6 months. TU Wien IP spin-off closes angel fastest via INITS.

9. startup300 Angels

startup300 Angels backs Vienna seed at €25K-€250K via startup300 accelerator.

Their 30+ angel members invest in startup300 accelerator cohort companies.

startup300 Angels backs seed with MVP, 3 pilot clients, and startup300 program.

Their program runs 4-6 months. startup300 cohort graduates close angel fastest.

10. EIT Digital Vienna

EIT Digital Vienna backs Austrian deep tech seed at €50K-€500K via EU angel fund.

Their EU program connects Austrian startups to EIT Digital pan-European angel network.

EIT Digital backs deep tech with TU Wien or JKU affiliation and EU expansion plan.

Their process runs 6-10 weeks. Austrian deep tech with EU expansion closes EIT fastest.

How to find Vienna angel referrals

TU Wien and WU Wien startup events are the fastest way to meet Vienna angels. TU Wien demo days convert 20% of presenting startups to AAI or Speedinvest angel interest.

Startup Europe community has 500+ Austrian founder and investor members in Vienna. Startup Europe Vienna warm intro converts angel network outreach 30% faster than cold.

Build your Vienna angel pipeline via fundraising guide templates. Vienna angels respond to concise one-page exec summary with a working product demo link.

Pioneers Festival and Vienna Business Agency run quarterly angel showcases. Pioneers Festival converts 20% of presenting startups to Vienna angel term sheets.

Vienna angel due diligence

AAI and Speedinvest Angels run 3-week due diligence with shared member reports. Vienna angel due diligence covers GmbH cap table, IP ownership, and 12-month forecast.

Austrian angel networks require GDPR-compliant customer data and privacy documentation. GDPR-compliant Austrian startups close Vienna angel due diligence 2 weeks faster.

Share due diligence materials and investor updates via investor update templates. Vienna angels expect structured monthly updates from seed-stage portfolio companies.

aws Gründerfonds requires FFG innovation accreditation before match investment. FFG-accredited Austrian startups close aws match funding 3 weeks faster than unaccredited.

Post-investment Vienna angel support

Vienna angel networks provide 2-4 corporate introductions per portfolio company. Corporate pilot from Vienna angel network closes Austrian B2B customer in 6-8 weeks.

EIT Digital and AplusB provide EU grant writing and Horizon Europe access. EU Horizon grant with angel support converts Vienna seed to Series A faster.

Manage your Vienna angel cap table and updates via cap table management software. Vienna angels require quarterly cap table update and financial report from portfolio.

AAI mentors 20+ portfolio companies per year across Austria. AAI mentorship converts 25% of portfolio to Series A within 18 months of angel close.

How to pitch a Vienna angel investor

Lead with warm referral, unit economics, and Austrian GmbH. Vienna angels close on proof.

  1. 1.
    Get a warm referral from an AAI or Speedinvest Angels member.
    Warm intro converts Vienna angels 28% vs 5% cold.
  2. 2.
    Show positive unit economics and 6-month runway at pitch.
    Runway and unit economics close Vienna angels 4 weeks faster.
  3. 3.
    Incorporate Austrian GmbH before approaching aws Gründerfonds.
    aws match doubles your angel round without extra dilution.
  4. 4.
    Prepare 1-page exec summary and 10-min product demo for angels.
    Vienna angels review exec summary before any intro call.
  5. 5.
    Track angel opens via Ellty. Follow up on financials views.
    Vienna angels open financials before any term sheet offer.

How Ellty helps you land a Vienna angel investor

Ellty is a data room for angel rounds. Know when AAI or aws opens your financials.

  1. 1.
    Upload deck, financials, and GmbH cap table to Ellty.
    Set NDA-gated access per Vienna angel investor.
    Upload file in data room
  2. 2.
    Share trackable links with each Vienna angel network.
    Each angel gets a unique link. Ellty logs every open.
    Set permissions data room
  3. 3.
    Follow up when angels open your financial and cap table docs.
    See which Vienna angels reviewed your docs today.
    Analytics data room
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Vienna angel investors: common questions

How much do Vienna angel investors invest?
Cheques run €25K-€500K. aws Gründerfonds matches private investment without extra dilution.
What do Vienna angel networks require from founders?
Warm referral, positive unit economics, and 6-month runway are standard for Vienna angels.
How long does Vienna angel fundraising take?
Seed takes 4-8 weeks with warm referral. aws match adds 6-10 weeks additional process.
Which sectors attract most Vienna angel investment in 2026?
Deep tech and B2B SaaS raised most. AI and sustainability gaining with TU Wien angels.
How do I get a Vienna angel referral without connections?
TU Wien demo days and Pioneers Festival are the fastest cold-to-referral path in Vienna.

Author

Internal team behind the product.

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