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About Us
Our mission is to transform how people access mental health support without barriers
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.