Justin Hamilton
Angel Investor
Wellington, New Zealand
Justin Hamilton is a seed investor in Wellington focused on Software and Aerospace. Justin Hamilton is Founder, CEO at Clutterbot.
- Total investments:
- 17
- Last investment:
- Lead investor:
- 18%
Last updated:
For AI agents: llms.txt
Industries Justin Hamilton invests in
Stages Justin Hamilton invests in
Countries Justin Hamilton invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $910k–$10M
Investment Focus
Industry
- Software 2 (12%)
- Aerospace 2 (12%)
- CleanTech 2 (12%)
- Environmental Engineering 2 (12%)
- B2C 1 (6%)
Stage
- Seed 12 (71%)
- Funding Round 2 (12%)
- Pre-Seed 1 (6%)
- Series A 1 (6%)
Country
- United States 6 (35%)
- India 3 (18%)
- Canada 1 (6%)
- New Zealand 1 (6%)
- United Kingdom 1 (6%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Novoflow is an AI receptionist that automates front and back office phone workflows for medical practices. Built for healthcare providers and hospitals. | $3.1M / Seed / Nov 03, 2025 | ||
| Spaceium develops a spacecraft docking system to support interplanetary missions. Its docking mechanism aims to offer solutions in the fields of In-space refueling with sustainable fueling stations can be an essential part of space exploration. The company's service hubs efficiently store and transfer cryogenic (extremely cold) andnon-cryogenic fuels with zero loss during storage and transfer. | $6.3M / Seed / Jan 22, 2025 | ||
| AirMyne is a next-generation Direct Air Capture company building a technology that removes CO2 from the air. AirMyne's patented process uses a liquid capture agent and a low-temperature thermal regeneration process. The technology can integrate with various low-carbon energy sources and uses inputs that are low-cost and easy to source.Founded by deep tech industry veterans via Y Combinator in 2022, AirMyne is now scaling high-quality carbon removal. | $6.9M / Seed / Mar 20, 2024 | ||
| Legistify is a tech enabled, legal concierge platform. We work with individuals, startups as well as bigger enterprises & help them find, consult & hire the right expert lawyer PAN India, on demand. With a network of over 7000 pre-verified lawyers across 300 cities, we use technology to effectively connect them with users in need of legalhelp.One of our flagship ELM product for enterprises (LegisTrak)- https://www.legistify.com/corporate | $4M / Series A / Sep 25, 2023 | ||
| Renoster is a technology company that creates software and data platforms for the carbon markets. Deep transparency, powered by remote sensing, for the world's carbon projects. Renoster believes in a future for carbon to preserve and restore nature for generations. | $3.8M / Seed / Jul 20, 2023 | ||
Standard Fleet
|
Software for electric vehicle owners | $7M / Seed / Jun 14, 2023 | |
| Transform the heavy truck industry. | $1.3M / Nov 14, 2022 | ||
| Transform the heavy truck industry. | $1.3M / Seed / Nov 14, 2022 | ||
| Apex designs and manufactures small satellites tailored for various space missions. The company focuses on streamlining satellite production by integrating modular hardware and standardized software systems. Apex offers platforms that support Earth observation, communications, and scientific research applications. Its approach emphasizes scalablemanufacturing processes to meet the growing demand for satellite deployment. Apex collaborates with clients to customize satellite configurations based on mission-specific requirements. | $10M / Seed / Oct 24, 2022 | ||
| Authsignal is a B2C consumer authentication and orchestration platform. Built to deliver enterprise and mid-market teams' rapid capabilities to deploy omnichannel authentication and verification flows.Engineered to drop into existing architecture, Authsignal delivers the world's fastest path to uplifting and implementing passkeys andrisk-based multi-factor authentication (MFA) flows without the need to overhaul your current identity stack, with seamless integrations for best-in-class identity platforms, such as AWS Cognito, KeyCloak, Azure AD B2C, and Identity Server. Integration has never been this fast.Deploy with lightning speed, utilizing pre-built authentication flows or create customized UI experiences, leveraging Authsignal's React Native UI components, headless APIs, and mobile SDKs for iOS and Android.Optimizing user experience and balancing security is a breeze with Authsignal. With our No-code rules engine, create and deploy strong customer authentication flows in minutes. A drag-and-drop interface enables product and risk teams to easily secure customer accounts and enable seamless login experiences.Key Features:- Enterprise & consumer-tuned Passkey deployments. - Secure passwordless authentication with enterprise-grade passkey support. - Risk-based MFA that adapts to user behavior and threat signals. - Visual no-code rules and policy engine to build risk-based authentication flows. - Developer-friendly APIs and SDKs for rapid implementation. - 360-degree observability dashboards, conversion, and completion analytics. - Reporting suite with full audit trails and analysis. - Real-time rule analysis and anomaly detection across all user touchpoints. - Biometric authentication, identity verification (KYC), and proofing via partners, iProov, Veriff. - Support for SMS OTP, Email OTP, TOTP, Passkeys, WhatsApp OTP, Yubikey / FIDO2 hardware keys, push authentication, Device signing and binding. - PSD2 / SCA compliance support, Strong Customer Authentication. - Visual authentication flow builder with two-step authentication support. - SSO admin supported. - SOC2 Type 2 certified. - Hosted on AWS. - Available to transact via AWS Marketplace.Use Cases:- Streamlined user onboarding with minimal friction - Account takeover (ATO) prevention and response - Securing high-value transactions and sensitive actions - Protection against rewards program and promotion abuse - Self-service account recovery with strong identity verification - Step-up authentication for escalated permissions | $910.5K / Seed / Sep 08, 2022 | ||
| See all 17 investments → | |||
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FAQ
What does Justin Hamilton invest in?
Justin Hamilton invests primarily in Software, Aerospace and CleanTech startups, most often at Seed and Funding Round stage. Most of the 17 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Justin Hamilton invest in?
Justin Hamilton typically joins rounds of $910k–$10M at Seed. These are whole funding-round sizes, not Justin Hamilton's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Justin Hamilton took part in.
How do I contact Justin Hamilton?
Public channels for Justin Hamilton include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Justin Hamilton last invest?
The most recent investment recorded for Justin Hamilton closed in Nov 2025. Shizune tracks 17 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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