S
Siilo
Health Tech & Medtech · Amsterdam, Netherlands · Founded 2016
Siilo is a secure medical messaging app designed to help health care professionals and teams improve patient care through collaboration MoreLess
Siilo is a secure messaging platform specifically designed for healthcare professionals, enabling them to communicate patient data and collaborate in real-time while ensuring GDPR compliance. The platform serves a variety of clients including NHS Trusts, university hospitals, pharmacists, health nurses, and medical associations across Europe. Operating in the healthcare communication market, Siilo's business model revolves around providing a free, easy-to-use app that facilitates fast and direct communication among medical teams. Revenue is generated through premium features and services tailored for larger organizations and institutions. Siilo's core value proposition lies in its ability to enhance team communication, streamline workflows, and improve patient care outcomes.
Keywords: secure messaging, healthcare professionals, GDPR compliant, real-time collaboration, NHS Trusts, pharmacists, health nurses, medical associations, premium features, patient care.
Company overview
Siilo company information
The essential company record, classifications and operating signals in one place.
- Status
- Acquired
- Founded
- 2016
- Headquarters
- Amsterdam, Netherlands
- Employees
- 34
- Open positions
- None listed
- Dealroom signal
- 64.0
Valuation & funding
Siilo funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| ACQUISITIONOther financing | Mar 2023 | $0 | — | Doctolib | ↗ |
| SERIES AOther financing | Jul 2020 | $11M | $42M | Philips Ventures · Heal capital · EQT Ventures | ↗ |
| EARLY VCOther financing | Oct 2018 | $5M | $20M | EQT Ventures | ↗ |
| ANGELOther financing | Jan 2017 | $2.2M | $8.8M | Undisclosed | — |
Financials
Workforce over time
Available workforce history. Financial fields without reported data are omitted.
| Year | Employees |
|---|---|
| 2026 | 34 |
| 2025 | 53 |
| 2024 | 53 |
| 2023 | 53 |
| 2022 | 64 |
| 2021 | 67 |
| 2020 | 54 |
Growth signals
Siilo website traffic
Latest recorded traffic for Siilo is 6.5K monthly website visits, up 85.7% over the last three months. Siilo's team declined 35.8% over the past year.
Comparisons
Siilo compared with similar companies
Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.
Talent graph
Siilo's talent
Source: Dealroom Talent Intelligence.
Investors
8 investors on Siilo's cap table
Sourced from Dealroom's funding and investor records.







Global footprint
Where Siilo has talent and traffic
team presence
In the news
Latest news about Siilo
Recent press, funding announcements, and product moves mentioning Siilo — open to read from the original sources.
Market sentiment
What the market is saying about Siilo
An AI-synthesized read of the highest-engagement posts about Siilo on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Siilo’s full profile on Dealroom
Request a free trial to see the complete deal history, financials, people graph and growth signals.
Takes under a minute. Already use Dealroom? Log in.







