Investigation into a "health/wellbeing" company called Lexxic, who run/set-up the National Neurodiversity Celebration Week in the UK (making it look like a international event).
This investigation is a working document and will be updated with all-new information. It's independent and is written by Sam Downie. Please expect the document to have links to evidence, websites and public domain documents. Please expect a few spelling mistakes and errors whilst it's a working document. Do contact the author for further information.
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Who started the Celebration Week ?
> Siena Castellon
A 16yo at the time in 2016 started it. It's a campaign that she started because she was being bullied and she wanted to stand up for herself and others. She has a diagnosis of ASD, and has a scientific mind.
"I am an autism and neurodiversity advocate who believes that people who think differently and see the world differently have a lot to offer to society. I am autistic, dyslexic, dyspraxic and have ADHD. I hope that my channel inspires young people who are autistic and/or who have learning differences to see beyond the limitations that may have been placed on them. By sharing my story, I hope that I can demonstrate that our challenges do not have to define who we are and that each one of us, in our own unique way, can accomplish amazing things."
https://www.nesta.org.uk/feature/new-radicals-2018/siena-castellon/
https://neurodiversity.wixsite.com/qlmentoring/siena-castellon-my-mission
https://www.pointsoflight.gov.uk/quantum-leap-mentoring/
> her Youtube channel which she stopped using in 2023:
https://www.youtube.com/@sienacastellon6171/videos
> buy her book - A Spectrum Girls Guide to Autism (published early 2020)
Siena stopped doing the campaign in 2023, and isn't involved in it anymore, and not involved in the business of it.
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Who is running it now ? < this is now important !
Lexxic, they had the money to take it over in late 2023, and ran it in 2024 and now in 2025. It's not Siena who is doing it. No autistic adult is involved.
Who is Lexxic : https://lexxic.com/
"Neurodiversity experts" who aren't experts at all. They are anti-science, and want autism to be cured.
Aquired a workplace employment scam called DO-IT Profile in 2024: https://lexxic.com/blog/lexxic-has-acquired-do-it-solutions
The team : https://lexxic.com/meet-the-team
Organizes and created the - Neurodiversity Celebration Week in the UK : https://www.neurodiversityweek.com/introduction
they make this look like a international event, when it's not one.
They offer - diagnosis services to diagnose Autism and ADHD, yet aren't a regulated medical service by law in the UK.
> https://lexxic.com/assessments#diagnostic
https://lexxic.com/assessments
They also do workplace assessments, yet don't know what employment laws or equality laws are in place. no knowledge of them. They also do coaching : https://lexxic.com/coaching .
How to get a "neurodiversity diagnosis" (this is a scam as the diagnosis of neurodiversity doesn't exist).
https://lexxic.com/blog/starting-your-journey-to-a-neurodiversity-diagnosis-with-lexxic
It breaches many laws in the UK, such as DPA 2018, Equality Act 2010, Access to medical records Act, for example.
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Companies House information :
https://find-and-update.company-information.service.gov.uk/company/06353268
Director of interest - connected to money laundering via umbrella companies and phoenix companies :
Accountant of interest :
Lexxic got bought out in 2024 as a company:
https://www.agathos.com/agathos-backs-management-buy-out-of-lexxic/
https://www.agathos.com/project/lexxic/
https://www.agathos.com/agathos-supports-lexxic-to-acquire-do-it-solutions/
however this company seems to be a scam too.
cant find the "new ceo of lexxic" Kate Goodanew, as they aren't mentioned in any company house documents.
Cardiff news story to read :
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Applied for .GOV contracts - for funding as a health company, even though they aren't regulated. It's unlawful to provide unlicensed medical services in the UK. Yet here they are applying for funding from the GOV.
https://www.applytosupply.digitalmarketplace.service.gov.uk/g-cloud/services/234537921803490
https://www.applytosupply.digitalmarketplace.service.gov.uk/g-cloud/services/657780077936929
The UK GOV aren't checking on who they are funding and who is applying for funds.
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Who has been scammed already by this company ?
- AVIVA Insurance
https://static.aviva.io/content/dam/document-library/adviser/groupprotection/gr02349.pdf
- The MET Police : National Police Autism Association
https://www.npaa.org.uk/nd-celebration-week-2025/
- Dyslexia Action (although they use their training..)
https://training.dyslexiaaction.org.uk/node/12745
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What are other - Autism Scams - like this to look out for ?
Here's one.
https://www.training2care.com/autism-reality-experience.htm
Costs over : £1,000 (for "an experience of... autism" ?) - WTAF ?!