Hi, welcome to Siilo! The free secure messaging app for medical teams.

Start coordinating care through groups chats around patients, or discuss challenging cases with peers. It’s 100% confidential. 👩🏻‍⚕️👨🏾‍⚕️

As trusted by over 150,000 users from:


Make faster, better decisions.

Health care professionals don’t always have the time they need for seeing to patients. Siilo can increase your team’s productivity and help to free up time for patients. Collaborate instantly to cut down on time-to-decision and to exchange richer patient data. 🤝

Keeping patient data safe.

We live and breathe GDPR, e‑Privacy, NHS and HIPAA standards. Patient data safety is our top priority. Our Secure Camera and a Secure Media Vault separate your personal photos from patient pictures. We protect your patient’s data, no matter where it goes.

Making your life easier.

Siilo isn’t just a messenger app. It’s a digital platform designed to connect health care professionals to each other and to make their lives easier. We are constantly working to improve your experience with Siilo. Check out what we’re doing next.

Loved by teams and individuals

  • Siilo Messenger: Secure clinical collaboration across teams, networks and boundaries

    Professors Nef and Eggebrecht recount the transformative effect that Siilo Messenger has had on both their clinical practice and their professional development.

    Read more
  • ‘All information is sent via Siilo, there is no better tool for communicating with your team.’

    From ultrasounds to CTG’s from breast images to videos how infants behave. From ultrasounds to CTG’s.

    Read more
  • Faster and more cost effective care in hospitals

    Mobile messaging is becoming a staple communication tool in the medical profession, but clinicians in the UK are recognising that a secure messenger must be used for their…

    Read more
  • Health care challenges require simple IT solutions

    Because of security risks, doctors are no longer permitted to use WhatsApp in clinical settings.Health care professionals turn to messengers in the first place for their…

    Read more
  • Transformation at St. George’s University Hospitals

    St George’s University Hospitals NHS Foundation Trust is one of the largest hospital and community health service providers in the UK. Based in Tooting – and serving a…

    Read more

So, what’s new at Siilo?

We are constantly talking to our users to improve the app and add new features that will help you communicate easily with your colleagues.

Watch this user video and see Siilo in action

Read more

Preventive medicine

Read more

Meet Siilo Tips, a new way to get more out of Siilo

Read more