Nordic skyline
Silentum OÜ

Quiet capital.
Lasting impact.

A private equity firm investing in unlisted companies across the EU.

Who we are

Silentum

Silentum OÜ is a private equity firm registered in Estonia that invests in unlisted companies across the EU — from early-stage startups to established SMEs.

Beyond capital, we offer hands-on business expertise and EU-wide networks to the companies we back. Our approach is calm, considered, and built on long-term trust — not quarterly pressure.

6Portfolio companies
EUInvestment focus
TallinnHeadquarters
Silentum office

Philosophy

Investment Philosophy

We do not just write cheques. We sit on boards, open doors, and help management teams make better decisions.

01

Early to Growth

We invest across the lifecycle — from seed rounds to buyouts of profitable SMEs — with cheque sizes tailored to the stage.

02

Hands-On Expertise

Beyond capital, we sit on boards, open doors, and help management teams make better decisions using our operational experience.

03

EU-Wide Network

Deep relationships with banks, advisors, and industrial buyers across the EU create real growth and exit options for our partners.

Projects

Selected Projects

From scalable cleantech infrastructure to digital SMEs — a snapshot of what we are building.

Solar farm aerial view
Infrastructure · Finland

Solhälla

An 80 MW solar and battery power plant in Uusimaa, Finland. Currently in the permitting phase, designed to deliver reliable, renewable power to the Finnish grid.

Hospitality venue
Hospitality · Helsinki

Allas Pool

A unique urban seaside spa and hospitality venue in the heart of Helsinki, combining wellness, culture, and waterfront dining.

Fintech
AI / Hosting · Finland

Werate Oy

Werate Oy is a Finnish tech startup that is building an AI powered hosting platform called Harbor. This site was built with Harbor's AI Builder.

Internet services
Web Services · Finland

Klikkaa Internetpalvelut Oy

A Finnish website provider that has built over 15,000 websites, delivering reliable web hosting, design, and digital infrastructure for businesses of all sizes.

Real estate investment
Property Investment · Spain

Avenia Capital

A premium real estate investment and development company focused on Costa del Sol, Spain. Tailored for Finnish and Nordic investors seeking exceptional returns in residential and hospitality assets.

EV charging station
EVs / Charging · Finland

Faast

A nationwide ultrafast EV charging network across Finland. Stations deliver 150–350 kW charging powered by 100% renewable energy, with battery storage at every site.