Top 5 Medical Startup Investors in Estonia in May 2026

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.

Investment focus

Software, Manufacturing, Internet of Things
Pre-Seed, Grant, Seed
Estonia, Finland, Germany

Portfolio highlights

Neurosalience — Neurosalience develops a tool for the early detection of dementia from structural MRI scans.
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.
Jälle Technologies — Jälle Technologies create advanced recycling technologies that transform battery waste into high-value resources.

Show all investments...

Crosslight Partners is a growth equity firm. The firm invests in the environment, healthcare, impact, and technology sectors across Europe.

Investment focus

Biotechnology, B2B, Medical
Seed, Funding Round
Sweden, Estonia

Portfolio highlights

Gelatex Technologies — Gelatex is a Techstars-backed materials technology company that invented the fastest technology for producing bio-based nanofibers on a large scale. It is a platform technology that enables faster and up to 100 cheaper nanofiber production for applications like 3D scaffolds for tissue engineering, cultured meat, bio-based filters, eco-friendlyleather-like textile, energy storage, wound care, and many more. The technology is patent-pending and the machinery fully functional. The company was founded in 2016 and until COVID-19 pandemic developed eco-friendly leather-like textile from gelatin nanofibers, using this nanofiber production technology as part of the process. COVID-19 was a trigger to understand the wider potential of the technology which then led to pivot.The company is based in Estonia and holding incorporated in UK (2019).
Sigrid Therapeutics — Sigrid Therapeutics is developing an ingested medical device for lowering blood sugar in prediabetics.

Show all investments...

Dag Nurm

Investment focus

Medical, Health Care
Pre-Seed
Estonia

Portfolio highlights

Migrevention — First fully digital headache clinic in the world
CARÁ Health — Suun combines a midwife-powered app with studios in Tallinn and Berlin to ease pregnancy and postpartum symptoms, build strength and support you every day.

Show all investments...

We are a seed stage venture capital fund based in the Baltic states, backing ambitious Baltic founders anywhere in the world.

Investment focus

Software, Information Technology, Apps
Seed, Pre-Seed, Series A
Estonia, Latvia, Lithuania

Portfolio highlights

FanSifter — FanSifter is a fan data management platform that leverages machine learning to help rights holders in music, entertainment, and sports increase tickets, music, merch, experiences, and sponsorships sales.
Giraffe360 — Giraffe360 is game-changing subscription product for real estate companies to streamline professional quality photography and high accuracy floor plan creation.
RecruitLab — Teamdash's built-in recruitment, applicant tracking, and marketing features give you the focus you need to achieve the impossible. Here's how.

Show all investments...