Down Syndrome Diamond Foundation Limited
The world's leading platform for Down Syndrome — expert guidance and digital tools, free for every family
321 Playsy has already helped thousands of children build essential skills through play
Our Objectives
Our mission is to give every person with Down Syndrome access to a dignified, independent life — through the guidance and tools that decades of hands-on experience with families have made possible.
We are the world's leading platform turning that experience into practical support for families and professionals everywhere.
We believe access shouldn't depend on geography or income — so we work to make expert-level support available to every family, wherever they are, whenever they need it.
About us
Health & Wellbeing
We work to protect the physical and mental health of people with Down Syndrome — and give their families and caregivers the tools to do the same, backed by real clinical expertise, not guesswork.
Education & Training
We set the standard for education and care training in Down Syndrome — equipping professionals and families worldwide with knowledge that actually changes outcomes.
Social Inclusion
We fight exclusion, not just talk about it. We open real doors — in classrooms, workplaces, and communities — so people with Down Syndrome are seen, included, and given every chance to thrive.
Our mission
Down Syndrome Diamond Foundation Limited is a UK-registered charity established in 1996, dedicated to empowering individuals with Down Syndrome. Through our project Down Syndrome Digital, we develop digital solutions to support people with Down Syndrome and their families, transforming decades of hands-on experience into tools for everyday use.
What We Do
A daily digital companion for families of children with Down Syndrome (ages 0–4). Personalized guidance, 400+ activities, expert-backed plans, and ongoing support—every step of the way.
A gamified learning platform for children with Down Syndrome (ages 6–12). 300+ structured activities that build communication, independence through real-life scenarios.
24/7 multilingual support with expert responses within 24 hours. Behind every answer stands years of experience and deep understanding of Down Syndrome families.
321 Playsy
Support Line
321 Parentsy
The flagship product reaches families across 30 countries and is available in English, Arabic, Hindi, and Russian.
Expert guidance, simple daily activities, and support you can rely on — from the very beginning.
Questions about development, behavior, social skills, and education for children with Down Syndrome.
Every year, approximately 140,000 children with Down Syndrome are born — yet the world still lacks scalable digital solutions built for their cognitive needs.
Down Syndrome Digital is closing that gap. We are the only platform building free, expert-designed digital tools specifically for Down Syndrome — adapted to different cultural contexts, and already used by thousands of families and professionals worldwide.
Family Support
12,000+ families already supported with psychological, pedagogical, and social guidance — making us one of the largest support networks for Down Syndrome families in the world.
Professional Development
13,000+ specialists trained through our programs, raising the standard of care for Down Syndrome across the countries we work in.
Online Resources
70,000+ users every month rely on our platform for fast, expert-backed resources — for themselves, their families, and the people they support.
Real Impact. Real Families. Real Results.
Our Impact
Expert Validation — What Specialists Say
These tools are shaped and reviewed by specialists in early development, speech therapy, and education — and used in real practice
Wow, what a resource. There is a huge amount of information and activity for parents and children, yet it is presented in a way that does not seem overwhelming. It’s very parent-friendly... Overall, a great resource for parents AND professionals. Congratulations — it is very well done!
Julia Hughes
CEO, Specialist Early Years Provision, the Elizabeth Foundation
The design is really friendly and easy to use and understand. I really liked all the articles, and I appreciated the illustrations and the diversity of representation. The activities are quick, easy, and explained really clearly — parents get told why the activity is important and what it leads to.
★★★★★
★★★★★
As more families join, we gain a deeper understanding of what truly helps children with Down syndrome grow and develop
Stephanie Meredith, MA, DrPH
Development Director, Genetic Support Foundation, USA
Parents reviews — Real Families. Real changes
My son with Down syndrome struggled with shopping outings until we found 321 Playsy. The store scenarios have transformed our weekly grocery trips from stressful to enjoyable! He now understands waiting in line and appropriate store behavior.
Aisha K. (Lagos, Nigeria)
My 8-year-old with Down syndrome was often isolated at school, but the playground scenarios have taught him how to approach other children and take turns. His teacher noticed significant improvement in his social interactions within just three weeks.
He was especially motivated by the sense of achievement after finishing activities, often celebrating when he completed a challenge... The characters are appealing and contribute positively to engagement — the experience feels more like an interactive game than a therapy or learning exercise.
Thiago Ribeiro, father of Noah (6 -year-old ), Founder of Instituto InvisibiliDOWN, Brazil
The stories from other parents in the support section literally saved me from depression. Understanding that we're not alone gave me strength to move forward.
Sarah J., mother of 3-year-old Ethan
Sophie L., France
We collaborate with organizations, companies, and foundations that share a simple goal: to make everyday life easier for families raising a child with Down Syndrome.
Start your partnership:
Down Syndrome Digital works with partners who want to create real, visible impact.
Together, we make support more accessible, more local, and more human — through digital tools that can reach families anywhere.
We are already supporting families in 30+ countries — and growing.
With partners, we localize content, expand access, and reach communities that are still underserved.
With your help, we can reach the next 50.
Partnership
Jeremy Barnes,
Board of Trustees
Oxford-educated financier with over 35 years of experience. Co-founded an investment bank later sold to UBS and has invested in numerous private companies. Today, he is co-founder of OLMA Luxury Holdings. His personal connection to the mission began 35 years ago when his niece was born with Down syndrome. He co-founded an NGO that has supported over 15,000 families. Jeremy is passionate about turning decades of experience into digital tools that improve lives.
Dmitry Sergeev,
Board of Trustees
Accomplished entrepreneur and senior executive with extensive experience in the technology sector. He chairs the board of trustees for the Syndrome of Love Foundation (since 2016) and fundraises for the Downside Up Foundation. His corporate experience includes serving as CEO of AliExpress CIS (2019–2022) and board member of Mail.ru Group (2018–2022). Dmitry's dedication to Down syndrome advocacy stems from his personal experience as the father of an 11-year-old daughter with Down Syndrome.
Sebastian O'Meara,
Board of Trustees
Holds degrees from Oxford and Columbia’s School of International and Public Affairs (SIPA). He brings extensive media and entrepreneurial expertise from years of producing and reporting for the BBC, and from co-founding Law Business Research, a global B2B information company. A recognized industry expert, Sebastian seamlessly blends high-caliber British journalism with strategic insight into business and global data markets.
Governance
News & Events
Down Syndrome Diamond Foundation
Supporting individuals with Down syndrome since 1996.
Contacts:
Email: info@diamonddownsyndrome.digital
Phone: +44 07771 995559
Cookie Policy
Legal Information:
Downs Syndrome Diamond Foundation Limited is a registered charity in England and Wales.
Registered Office: 82 Westbourne Park Road, London W2 5PL, United Kingdom
Charity Number: 1055087 | Company Number: 03026295
© 2026. All rights reserved.