# Prototron

> Prototron is a VC fund in Tallinn backing Software and Manufacturing. See 55 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Tallinn, Estonia
- Total investments: 55
- Last investment: May 2023
- Lead investor: 75%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/company/3797453
- X (Twitter): https://twitter.com/prototron_ee
- Website: http://www.prototron.ee
- Facebook: http://www.facebook.com/prototron.ee

Prototron is a start-up fund that gives money to teams for turning their great ideas into the first working prototype. Founded in 2012 by Swedbank, Tallinn Technical University and Tallinn Science Park Tehnopol. We finance teams with high growth potential in areas of Greentech, Electronics, Mechatronics and ICT. We run 3-4 rounds of financingevery year. During last 5 years we've funded 58 startups with over 470'000€ in cash + coaching/incubation services. Our protfolio has generated >4,5 M€ revenue and raised >17'000'000€ capital. These results make Prototron the most productive pre-seed fund in Estonia. Do you want to be part of the success? We seek for: *) New start-up teams who need money for building a prototype. Apply for funding: www.prototron.ee *) Additional partners who want to be part of Estonia's next success stories.

## Contacts

5 contacts available for Prototron. Shizune tracks 2 team members at Prototron. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/prototron1?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $4k–$13k |
| Grant | $3k–$27k |
| Pre-Seed | $6k–$59k |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 11 | 20% |
| Manufacturing | 8 | 15% |
| Internet of Things | 5 | 9% |
| Energy | 4 | 7% |
| Education | 4 | 7% |

116 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Pre-Seed | 24 | 44% |
| Grant | 23 | 42% |
| Seed | 7 | 13% |
| Funding Round | 1 | 2% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Estonia | 38 | 69% |
| Finland | 2 | 4% |
| Germany | 2 | 4% |
| United States | 2 | 4% |
| United Kingdom | 2 | 4% |

8 countries tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Jana Pavlenkova | CEO | 1 | https://shizune.co/investors/profile/jana-pavlenkova |
| Yrjö Ojasaar | Investment and Board Member | 5 | https://shizune.co/investors/profile/yrj-ojasaar |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| RAIKU | RAIKU is a cleantech startup that produces 100% natural packaging material that has also great looks and shock absorption - most importantly, it gives 15-20 times more volume to its raw material making it one of the most resource efficient material uses in the world with high margins. Both the production is and products are clean making no harm tonature. RAIKU has raised over 1.2mln€ in the pre-seed stage, built a team of over 10 people, its own IP and clients are already using its packaging material. This material will up-end the 1 trillion € packaging sector. | $1.2M | Pre-Seed | May 05, 2023 |  |
| Jälle Technologies | Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources. | $21.3K | Grant | Dec 15, 2022 |  |
| KrattWorks | We are offering electronic warfare resilient drones without Chinese components which can be produced locally on any market. | $553.8K | Pre-Seed | Jan 14, 2022 |  |
| RAIKU | RAIKU is a cleantech startup that produces 100% natural packaging material that has also great looks and shock absorption - most importantly, it gives 15-20 times more volume to its raw material making it one of the most resource efficient material uses in the world with high margins. Both the production is and products are clean making no harm tonature. RAIKU has raised over 1.2mln€ in the pre-seed stage, built a team of over 10 people, its own IP and clients are already using its packaging material. This material will up-end the 1 trillion € packaging sector. | $24.3K | Grant | Jan 29, 2021 |  |
| Solaride | Solaride is a bunch of progressive pioneers of the future who are building Estonia's first solar car to face the ultimate challenge to prove how successfully students can create innovation. | $12.1K | Grant | Jan 29, 2021 |  |
| Neurosalience | Neurosalience develops a tool for the early detection of dementia from structural MRI scans. | $12.1K | Grant | Jan 29, 2021 |  |
| Parcelsea | Parcelsea is a technology firm that provides e-commerce users and last-mile delivery service providers with an open network platform. The goal is to create a smart mailbox that is user-friendly and secure for everyone. | $6.1K | Grant | Jan 29, 2021 |  |
| 10Lines | 10Lines is developing autonomous parking lot marking robots and technological solutions to significantly increase productivity in the industry of pavement marking. Our solutions are helping striping businesses do their work much more productively with a smaller environmental footprint. | $27.2K | Grant | Mar 25, 2020 |  |
| UP Catalyst | UP Catalyst produces sustainable carbon nanomaterials and graphite for the green energy storage industry. |  | Grant | Dec 01, 2019 |  |
| Wastefox | Wastefox is a biotechnology company that focuses on converting biowaste into biofertilizers. |  | Grant | Dec 01, 2019 |  |

10 of 55 investments shown.

## Co-investors
- [AIRE (AI & Robotics Estonia)](https://shizune.co/investors/profile/aire-ai-robotics-estonia) — VC Fund, 1 deal together
- [Ajujaht](https://shizune.co/investors/profile/ajujaht) — VC Fund, 1 deal together
- [Cleantech Estonia](https://shizune.co/investors/profile/cleantech-estonia) — VC Fund, 1 deal together
- [Creative Business Network](https://shizune.co/investors/profile/creative-business-network) — VC Fund, 1 deal together
- [Creative Estonia](https://shizune.co/investors/profile/creative-estonia) — VC Fund, 1 deal together
- [Enterprise Estonia](https://shizune.co/investors/profile/enterprise-estonia) — VC Fund, 1 deal together

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [SOSV](https://shizune.co/investors/profile/sosv) — VC Fund
- [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [Everywhere Ventures](https://shizune.co/investors/profile/everywhere-ventures) — VC Fund

### Similar country
- [Specialist VC](https://shizune.co/investors/profile/united-angels-vc) — VC Fund
- [Superangel](https://shizune.co/investors/profile/superangel) — VC Fund
- [Tera Ventures](https://shizune.co/investors/profile/tera-ventures) — VC Fund

## Featured in investor lists
- [All Investors in Estonia](https://shizune.co/investors/investors-estonia)
- [All VC Funds in Estonia](https://shizune.co/investors/vc-funds-estonia)
- [SaaS Investors in Estonia](https://shizune.co/investors/saas-investors-estonia)
- [Climate VC Funds in Estonia](https://shizune.co/investors/climate-vc-funds-estonia)
- [Manufacturing Investors in Estonia](https://shizune.co/investors/manufacturing-investors-estonia)
- [Manufacturing VC Funds in Estonia](https://shizune.co/investors/manufacturing-vc-funds-estonia)

## FAQ

### What does Prototron invest in?

Prototron invests primarily in Software, Manufacturing and Internet of Things startups, most often at Pre-Seed and Grant stage. Most of the 55 investments tracked by Shizune back companies in Estonia. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Prototron's check size?

Prototron typically joins rounds of $4k–$13k at Seed, $3k–$27k at Grant and $6k–$59k at Pre-Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Prototron participates in.

### How do I contact Prototron?

Public channels for Prototron include LinkedIn, X (Twitter) and the website linked on this profile. 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.

### Who are the partners at Prototron?

The team at Prototron includes Jana Pavlenkova (CEO) and Yrjö Ojasaar (Investment and Board Member). The Team section lists each member with their title, investment count and links.

### 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co