In the UK, adults can pursue ADHD assessment through either the NHS or a private provider. NHS Referral You can speak to your GP about a referral to an NHS ADHD service. However, waiting lists are often long, sometimes extending to several years. Private ADHD Assessment Private assessment offers a much shorter wait and a more flexible process. Many people choose this route when they need clarity sooner for work, wellbeing, or personal understanding. Private assessments can be