# Matthew Browne

> Matthew Browne is a seed investor at Black Nova Group (Sydney) backing Software and Construction. See 10 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Black Nova Group](https://shizune.co/investors/profile/black-nova-group)
- Location: Sydney, Australia
- Total investments: 10
- Last investment: Feb 2026
- Lead investor: 40%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/brownematthew

Matthew Browne is a Co-Founder and CIO at Upflowy.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $155k–$13M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 6 | 60% |
| Construction | 2 | 20% |
| Information Technology | 2 | 20% |
| Timber | 1 | 10% |
| Finance | 1 | 10% |

18 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 7 | 70% |
| Pre-Seed | 1 | 10% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Australia | 6 | 60% |
| New Zealand | 1 | 10% |
| Philippines | 1 | 10% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Nullify | Using open-source tools, vulnerability databases and large language models, Nullify gives developers actionable findings and fixes for security issues it finds in their workflows. | $12.5M | Seed | Feb 05, 2026 |  |
| SPEC Toolbox | CLT Toolbox offers sustainable design of structural materials, using software to clear through the clutter and make design simple. CLT Toolbox is building structural design software to make mass timber as easy as concrete or steel. | $3M | Seed | Jan 15, 2026 |  |
| Nullify | Using open-source tools, vulnerability databases and large language models, Nullify gives developers actionable findings and fixes for security issues it finds in their workflows. | $155K | Seed | Mar 17, 2025 |  |
| 8seats | 8seats is a new kind of messaging platform that allows small and large teams to communicate more effectively and efficiently. | $1.2M | Seed | Dec 18, 2024 |  |
| Vyro | Vyro is Australia's first virtual electric car showroom. You can compare, buy, and finance an electric automobile from the comfort of your own home thanks to the company's flawless internet purchasing experience. | $1M | Seed | Apr 27, 2022 |  |
| Varicon | Varicon was co-developed with the construction industry to overcome the major cost management issues for site and office-based staff. | $2.3M | Seed | Feb 14, 2022 |  |
| Varicon | Varicon was co-developed with the construction industry to overcome the major cost management issues for site and office-based staff. | $2.3M | Seed | Feb 14, 2022 |  |
| iNSPIRETEK | iNSPIRETEK provides a wellness management system (WMS) that encourages positive behavior change in young athletes while also improving mental health and well-being outcomes. It has developed an accessible and affordable technology platform for sports wellness management. It drives change through wellness tracking, content, and connection. | $1.8M | Seed | Dec 09, 2021 |  |
| Remote Social | Remote Social is the ultimate destination for remote and hybrid teams to come together online to build connection and culture through play and shared experiences. | $700.8K | Pre-Seed | Nov 01, 2020 |  |
| Portainer | Portainer is a universal container management platform to deploy, configure, troubleshoot, and secure containerized applications across cloud, data center, edge, and Industrial IoT use cases. Portainer is trusted by customers across various industries, including financial services, information technology, manufacturing, energy, automotive, andhealthcare, to simplify the adoption of containers securely with exceptional speed.Portainer offers the perfect blend of infrastructure versatility, self-service freedom, and compliance guardrails to deliver containerized applications in a way that suits every part of the organization. Portainer provides extensive support for container orchestrators across every deployment scenario and helps bridge the knowledge gap within every organization. | $1.2M | Seed | Aug 18, 2020 |  |

10 of 10 investments shown.

## Co-investors
- [Black Nova Venture Capital](https://shizune.co/investors/profile/black-nova-venture-capital) — VC Fund, 3 deals together
- [Artesian VC](https://shizune.co/investors/profile/artesian-capital-management) — VC Fund, 2 deals together
- [Galileo Ventures](https://shizune.co/investors/profile/galileo-ventures-291b) — VC Fund, 2 deals together
- [Investible](https://shizune.co/investors/profile/investible) — VC Fund, 2 deals together
- [LUXEM Ventures](https://shizune.co/investors/profile/l-u-x-e-m) — VC Fund, 2 deals together
- [Saniel Ventures](https://shizune.co/investors/profile/saniel-ventures) — VC Fund, 2 deals together

## About Black Nova Group

VC Fund · Artarmon, Australia

Black Nova Group provide services across investment & venture capital.

4 contacts available at Black Nova Group.

| Name | Title | Profile |
| --- | --- | --- |
| Alex Retzlaff | Venture Partner | https://shizune.co/investors/profile/alex-retzlaff |
| Adam Bosnjakovic | Chief Technology Officer | https://shizune.co/investors/profile/adam-bosnjakovic |
| David Theodorou | Co-Founder | https://shizune.co/investors/profile/david-theodorou |
| Matthew Browne | Managing Partner | https://shizune.co/investors/profile/matthew-browne |

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## FAQ

### What does Matthew Browne invest in?

Matthew Browne invests primarily in Software, Construction and Information Technology startups, most often at Seed and Pre-Seed stage. Most of the 10 investments tracked by Shizune back companies in Australia. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Matthew Browne's check size?

Matthew Browne typically joins rounds of $155k–$13M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Matthew Browne participates in.

### When did Matthew Browne last invest?

The most recent investment recorded for Matthew Browne closed in Feb 2026. Shizune tracks 10 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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