Zillionize

Venture Capital and Seed Investingzillionize.com

Zillionize is a self-funded, Palo Alto-based seed-stage startup investor founded in 2011, deploying personal capital across 100+ early-stage startups with a focus on enterprise software, AI, aviation, and space technology founders.

Company typePrivate
Founded2011
HeadquartersPalo Alto, United States
Headcount11–50
GTM typeB2B
OfferingServices

What Zillionize does

Zillionize is a privately held, self-funded seed-stage startup investor founded in 2011 and headquartered in Palo Alto, with a parallel Australian corporate entity (Zillionize Pty Ltd). The firm invests personal capital across 100+ early-stage startups, emphasizing a "low friction" and "lightning fast" outreach-to-wire process, data-driven due diligence, and operator-led support from a team that self-describes as embedded in enterprise software. Its portfolio spans developer tools, fintech, logistics, vertical SaaS, AI infrastructure, aviation, and space technology, with notable holdings including Zapier, Cruise, Rippling, Boom Supersonic, Deepgram, Alpaca, Stoke Space, and ShipBob.

The firm's core offering is seed capital paired with operational involvement; there are no externally marketed products, no LP-raised fund vehicles, and no disclosed management fees. Deal sourcing and portfolio communication occur through the firm's website and a public "Notes" blog that tracks portfolio milestones. Zillionize recorded its first documented exit in August 2012 when Mailgun (its March 2011 seed investment) was acquired by Rackspace, and has since participated in multiple portfolio company financings through 2026. Its only documented M&A transaction is the October 2017 acquisition of SilverSiphon.

The business model is that of an operator-led angel/seed syndicate: returns are generated through equity appreciation and exits rather than recurring fee income. This caps operational revenue but aligns the firm with founders seeking fast, low-bureaucracy capital from investors with direct operating experience in enterprise software.

Zillionize firmographics

Firmographics

Name: Zillionize
Legal name: Zillionize Pty Ltd
Website: https://zillionize.com
Company type: Private
Founded year: 2011
Operating status: Operating
Headcount range: 11–50 employees
Short description: Zillionize is a self-funded, Palo Alto-based seed-stage startup investor founded in 2011, deploying personal capital across 100+ early-stage startups with a focus on enterprise software, AI, aviation, and space technology founders.
Ownership category
akta.pro rank

Zillionize industry classification

Industry

Product category: Venture Capital and Seed Investing
NAICS: Portfolio Management and Investment Advice (523940)
SIC: Investment Advice (6282)
akta.pro primary industry: Early-Stage Venture Capital (Pre-Seed/Seed) (FSANAAAA)
akta.pro secondary industry: Early-Stage Venture Capital (Series A/B) (FSANAAAB)

Keywords

Seed stage investing
Early stage capital
Angel investment services
Startup funding
Venture capital

Where Zillionize is headquartered

Location

Headquarters

HQ city: Palo Alto
HQ country: United States
HQ region: North America

Markets served

Zillionize business model

Business model

GTM type: B2B
Offering type: Services
Cost components: Personnel, Operations, Technology or R&D, Marketing or Sales

Marketing channels1 record

Zillionize product offering

Product offering

Core offering

Zillionize operates as a self-funded, seed-stage startup investor that provides early-stage capital to founders of technology startups. The firm follows a low-friction, data-driven investment process from initial outreach through funding wired, and offers operational expertise in enterprise software and adjacent technology sectors alongside capital deployment.

Differentiator

Problem solved

Functional benefit

Products and services

Seed-Stage Startup Investment Services

Companies that use Zillionize

Customer profile

Segments1 record

Ideal customer profiles1 record

Zillionize technology and API

Technology

Technology focussed No

API detail

Has API: No
API docs
API detail

Core technology

AI maturity

App detail

Zillionize partnerships and signals

Strategic signal

Scale indicators1 record

Recent moves1 record

Expansion highlights5 records

Zillionize competitors and assessment

Company assessment

Direct peers

Hustle Fund: Hustle Fund is a seed-stage fund known for a fast, low-friction investment process for early-stage founders, closely paralleling Zillionize's 'lightning fast' thesis. Both target seed rounds across enterprise software, marketplaces, and emerging tech.
First Round Capital: First Round Capital is a seed-stage venture firm with a community-driven, founder-first approach that closely overlaps with Zillionize's seed-stage focus and operator-led support philosophy. Both target enterprise and frontier-tech founders at company formation.
Lerer Hippeau: Lerer Hippeau is a seed-stage venture firm investing in early-stage consumer, enterprise, and media startups, with a similar low-friction, operator-friendly approach to Zillionize. Both firms aim to be the first institutional capital into seed rounds.
Floodgate: Floodgate is a Palo Alto-based seed-stage investor that emphasizes founder conviction and fast decisions, making it a close analogue to Zillionize's operator-led, data-driven seed model. Both have enterprise software as a core focus.
SV Angel: SV Angel is a Palo Alto-based seed/angel investment firm that writes early checks in consumer and enterprise startups, closely mirroring Zillionize's self-funded, low-friction angel model. Both firms are operator-led and prioritize fast decision-making at the seed stage.

Broad incumbents

Bessemer Venture Partners: Bessemer is a long-tenured multi-stage venture firm with deep enterprise SaaS and cloud portfolios. It often co-invests with seed-stage firms like Zillionize and competes for follow-on allocations in the same portfolio companies.
Y Combinator: Y Combinator is the largest global accelerator/seed investor with a portfolio dwarfing Zillionize's. It competes for many of the same seed-stage founders and several YC-backed companies (Deepgram, Boom Supersonic) appear in Zillionize's portfolio as co-investors.
Founders Fund: Founders Fund is a multi-stage venture firm with significant enterprise and frontier-tech exposure (e.g., SpaceX). It overlaps with Zillionize's enterprise and deep-tech portfolio themes, though it typically leads at later stages.
500 Global (formerly 500 Startups): 500 Global is a large global accelerator/seed investor running programs and fund vehicles worldwide. It overlaps with Zillionize at the seed stage across enterprise software, fintech, and consumer categories.

Emerging players

Bolt (by Semi Prasad): Bolt is a fast-moving seed investment platform focused on speed and high-conviction checks. Its 'lightning-fast' thesis parallels Zillionize's positioning, though Bolt is a more recent entrant.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Zillionize financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Zillionize leadership team

Management profile

Number of profiles

Profiles2 records

Zillionize funding detail

Funding detail

Funding overview

Funding rounds1 record

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

Zillionize M&A and investment

M&A and investment

M&A1 record

Investments170 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Zillionize

What does Zillionize do?

Is Zillionize a public or private company?

Zillionize is a private company. It is classified as founder individual operated bootstrapped and is currently operating.

When was Zillionize founded?

Zillionize was founded in 2011. It employs 11 to 50 people.

Where is Zillionize based?

Zillionize is headquartered in Palo Alto, United States, in the North America region.

Who are Zillionize's main competitors?

Direct peers on record are Hustle Fund, First Round Capital, Lerer Hippeau, Floodgate and SV Angel. Broad incumbents are Bessemer Venture Partners, Y Combinator, Founders Fund and 500 Global (formerly 500 Startups). Bolt (by Semi Prasad) is listed as an emerging player.

Does Zillionize have an API?

No public API is recorded for Zillionize.

What industry is Zillionize in?

Zillionize's product category is Venture Capital and Seed Investing. Its primary akta.pro industry code is FSANAAAA, Early-Stage Venture Capital (Pre-Seed/Seed), with a secondary code of FSANAAAB, Early-Stage Venture Capital (Series A/B). Its NAICS code is 523940 and its SIC code is 6282.