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About Us
Our mission is to transform how people access mental health support without barriers
What Is The Sandbox?
The Sandbox is for Children and Young People who want additional support for their mental health.
Everything on The Sandbox website can be accessed without registering.
If you need additional support, continue reading below where you will find a self-referral assessment to access NHS funded therapy.
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We are part of Mindler, a leading global provider of online mental health services, connecting users with a network of over 1,000 clinicians worldwide. We currently operate in the UK, Sweden, the Netherlands, Denmark, and Norway.
Across the UK, we:
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Work with public and private sector to give members fast access to high-quality mental health treatment when they need it
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Have successfully treated over 270,000 patients in the UK
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12+ years working with the NHS, and are available in 50% ICS

Our Social Values
We’re committed to sustainable, inclusive, and youth-powered innovation in mental health.
Environmentally Conscious
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Remote‑first delivery with 100% of therapists and Care Coordinators working from home
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No travel or building emissions
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Cloud‑based systems with lower energy impact
Youth Voice in Action
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Co‑created resources and promoted local support
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Youth Ambassadors Programme with WithYouth and Just Talk
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Engaged 170+ young people, including those with additional needs
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A space for young people to shape the services they use
Tackling Health Inequalities
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Leading an equity‑focused project with Hertfordshire CAMHS
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Aiming to reduce disparities and improve access
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First phase complete; now focusing on priority groups
Contact Us
Interested in bringing The Sandbox to your local area?
Please fill out the form on this page, and we'll be in touch soon.