ADHD Test & ADHD Assessment by Expert Psychologists


Our psychologists carry out ADHD tests for individuals who need an ADHD assessment for legal, education or employment purposes. We provide comprehensive ADHD diagnostic reports with action plans and behavioural ADHD treatment strategies. Our expert psychologists have experience of ADHD assessments for both adults with ADHD and children with ADHD. We provide online evaluations of Attention Deficit Hyperactivity Disorder (ADHD) nationally and internationally. We offer face-to-face ADHD diagnosis in London, Birmingham and Nottingham UK.
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Ask About Our Online Remote Video Enabled Version of This Psychological Assessment. Find Out More Here About the Process Here


Do you think you may need an ADHD test? Individuals with ADHD can often forget to complete important tasks including homework. They might act without thinking and show signs of inattention. Another common symptom of ADHD is the inability to keep still. Individuals may be hyperactive.

An ADHD test can help determine if you or your child has ADHD. Because ADHD is a disability, people with ADHD are entitled to reasonable adjustments (accommodations or access arrangements) in examinations. Children with ADHD should have additional support at school on an ongoing basis. This support can be incorporated into their Educational and Health Care Plan (EHCP).

People at university with ADHD are entitled to Disabled Students Allowance for extra time and specialist support such as specialist tutors; and information technology applications that help students who have ADHD improve their study skills and ultimately examination results.

Private ADHD Assessments

Our team of highly qualified psychologists and psychiatrists specialise in ADHD; we work with individuals of all ages. We conduct both adult ADHD assessments and child ADHD assessments. We are trained to support clients and their families and carry out ADHD assessments in complete confidentiality. We provide ongoing support and counselling to help clients make use of their superpower of ADHD. We use gold-standard, robust and highly accurate assessment instruments to diagnose ADHD. Rather than a structured interview alone, we use a wide range of tests to compare the client's symptoms, such as working memory, processing speed, emotional regulation, IQ, and hyperactivity, with others with ADHD and the general population. The depth and richness of our ADHD reports set some apart from other ADHD evaluations.

ADHD Assessment for Children

Sometimes, it is difficult for parents to identify whether their children have ADHD because children are often naturally hyperactive; however, when the child shows very high signs of hyperactivity, impulsivity and inattention, it is always worth having your child assessed for ADHD. In child ADHD assessments, teachers and individuals who know the child well can often contribute to the assessment process. Teachers who know the child well will be aware if the child fails to pay attention in class and is more active than other children. We often ask for school reports in our children and adolescent ADHD assessments, as symptoms of ADHD are often evident in school reports, even if not labelled as such .

Often, children with ADHD are wrongly categorised as being naughty or disruptive, and it is, therefore, essential to quickly identify whether the child has ADHD so that the proper support can be put in place and that they do not fall behind in their education. It is also essential to have a diagnosis because, without it, the child may be labelled as disruptive or lazy and consequently have sanctions levelled against them for unruly behaviour, which in extreme cases can include expulsion.

Because ADHD often occurs with autism spectrum disorder, our diagnostic tests identify whether the child or adolescent is likely to have autism spectrum disorder as well as ADHD.

ADHD Assessments for Adolescents

Adolescents bring with them their own set of challenges. As the academic demands increase, mild symptoms of ADHD may become more noticeable, particularly around the time of GCSEs and A-levels. Although ADHD is a lifelong condition, findings of ADHD can often go undetected until adolescence. Because adolescence is when a young person's mood and behaviour may change in any event, it is usually challenging for parents to distinguish the symptoms of ADHD from normal adolescent development.

A psychologist ADHD assessment must be carried out to implement the necessary support at school and university and into the beginning of their career. The sooner there are adjustments in place, the better. An ADHD diagnosis is likely to relieve the stress and anxiety that adolescents experience because of how ADHD impacts their academic performance, social interactions, and self-esteem. Our adolescent ADHD assessments will usually involve parents and adolescents contributing to the assessment process in more depth than our child ADHD assessments.

For adolescents and adults, it is essential to identify whether the client has substance misuse problems, bipolar disorder, mood or emotional challenges, as well as personality disorders. These conditions often appear with ADHD and can sometimes be confused with ADHD. Our comprehensive ADHD assessment process helps to identify whether these factors are relevant to the diagnosis.

ADHD Assessment for Adults

ADHD is a lifelong condition and often impacts an individual's work, education, and relationships with family and friends. Often, ADHD can result in performance problems at work and lower marks in education. Diagnosis is, therefore, critical to ensure that adults with ADHD have the right support in place and can understand the symptoms. Irrespective of your age, it is always helpful to have a diagnosis of ADHD so that you can manage it more effectively.

The process of adult ADHD assessments has a similar structure to our child ADHD assessments; however, we would use tests that are more appropriate for adults and specifically designed to assess the symptoms of ADHD in adults. Rather than a large proportion of the information being provided by the parents to inform the ADHD diagnosis, most of the information will come from the client and from someone who knows the client well .

Are Private Assessments Accepted by the NHS?

Our ADHD experts conduct robust ADHD assessments using only the best diagnostic tests and following the spirit of guidelines set down by educational bodies and the NHS. Accordingly, all diagnoses a competent health care professional has made are valid irrespective of whether they are produced in a private clinic or the NHS.

Can You See Me If You Already Have An ADHD Diagnosis?

We can see clients who already have an ADHD diagnosis. We can carry out workplace needs assessments or other strategies such as cognitive behavioural therapy and workplace coaching, and our psychiatrist can review your previous evaluations and prescribe medication based on it if they are satisfied that it is robust.

ADHD Assessments by Top Psychologists #1 for Attention-Deficit Hyperactivity Disorder Diagnosis

Our ADHD assessments involve a detailed clinical interview with a very experienced Chartered Psychologist and completing the Conners Adult ADHD Rating Scales (Second Edition) or Conners4 (for children) and the Behavioural Inventory of Executive Function. One of the rating forms can be achieved by someone who knows the person being assessed well. Additional rating scales can be provided for £100. Additionally, there is also an assessment of working memory and processing speed. Finally, there are observations of the examinee in the evaluation to see if their behaviour is consistent with someone with ADHD. We also provide free informant forms to obtain information from someone who knows the person being assessed well. We work with you to produce a detailed developmental history. We may also include the Diagnostic Interview for ADHD (DIVA) for Adults or the ACE ADHD Diagnostic Interview for Children for an additional fee of £200, if required. We can also include the computerised Qb Tech ADHD Test to provide more information when to help with the diagnosis for an additional fee of £275.

Following the assessment, the individual receives a comprehensive ADHD report, spanning about 30 pages. This detailed report not only includes recommended reasonable adjustments but also provides very specific strategies that the individual can implement to manage the symptoms of ADHD. The report is designed to equip individuals with the tools they need to treat and manage ADHD without medication.

Our comprehensive, high-quality Attention-Deficit Hyperactivity reports meet the rigorous standards of the Specific Learning Disabilities Assessment Standards Committee and the Joint Council for Qualifications Guidelines and the NHS. As such, they are suitable for use in education and employment. Our reports also meet the required standards of Student Finance England.

The cost of the ADHD assessment and report is within four weeks £550, which can be conveniently paid in instalments when using PayPal. For those who require an urgent report within seven days, the cost is £1,100. We believe in providing flexible payment options to ensure our services are accessible to all.

Online ADHD assessments, conducted via Zoom or Microsoft Teams, are a convenient and equally valid option. Rest assured, our online assessments maintain the same level of reliability as our face-to-face assessments. If you prefer a face-to-face assessment, there is an additional fee of £200 for the first hour and then £100 per hour for each additional hour.

ADHD Medication

If you require a psychiatrist consultation and medication for ADHD, the cost of each ADHD titration session is £300 per half hour. After the right type of ADHD medication and right dose has been determined our psychiatrist can develop a shared care agreement with your GP so that your GP can continue to prescribe the ADHD medication subject to ongoing review by our psychiatrist.

Cognitive Assessments to Support ADHD Assessments

Many people will benefit from a cognitive assessment as part of an enhanced ADHD assessment. Our cognitive assessments help determine whether the individual has a learning disability and ADHD. With individuals with high IQ scores, the cognitive assessment can also help to identify disparities between intelligence and academic or occupational performance. The cost of a Level 1 cognitive assessment is £475 if the examinee requires a cognitive assessment to be released within four weeks and £950 if the examinee requires the cognitive assessment report within seven days.

How To Find the Next Assessment Dates, Book An ADHD Evaluation and Pay

For most assessments, you can book a date immediately and pay the fee by credit card by completing the ADHD Booking and Payment link: If you want to book an assessment and pay by bank transfer, you can book it online by visiting the following URL.

Coaching, Therapy, and Additional Consultation Meetings

We provide ongoing treatment through coaching, CBT, counselling, and tuition, which is charged at £100 per 30-minute session. If you require mediation, you must book a consultation with our psychiatrist following your assessment to obtain a prescription. The cost of the consultation is £300 per 30-minute session. In all cases where the examinee requires medication, we recommend that they tell their GP that they wish to exercise their right to have a private ADHD diagnosis. We can write a detailed letter to an examinee’s GP following diagnosis; the cost is £100.

We also provide tuition support with studies on coaching to improve executive function. Our charge for this service is £100 per hour.

ADHD Workplace Needs Assessments

Assessments for use in employment will incur a higher fee. We recommend clients book a Workplace Needs Assessment for £795 plus VAT to complement their ADHD evaluation. Find out more about our Workplace Needs Assessments here.

Example ADHD Report

We have attached a copy of an example ADHD diagnostic report with a level 2 cognitive assessment for your information. Download an example assessment from the following URL.

Support and Access to Funding if You Have ADHD

Our reports can be used to support reasonable adjustments in education, including extra time in exams, the Disabled Student Allowance financial grant in higher education and Education and Health Care Plans. Our clients also use our reports for reasonable adjustments in employment and to support applications for Access to Work grants. More information about our ADHD Assessments can be found by following this link

“An ADHD test is used to determine whether the symptoms are ADHD or other conditions such as learning disabilities, dyslexia, reactions to significant life events, psychological disorders such as depression, anxiety and bipolar disorder. These conditions may often coexist with ADHD. It is also essential to distinguish whether the individual has a behavioural disorder such as conduct disorder or oppositional defiant disorder. Finally, it is crucial to eliminate other medical conditions such as thyroid problems, neurological conditions, epilepsy and sleep disorders before a diagnosis of ADHD is made.”

ADHD Assessment

There are various ADHD tests. Your general medical practitioner, psychiatrist, or a paediatrician might carry out a medical diagnosis of ADHD. This would allow the individual to obtain medication to help control some of the adverse effects of ADHD. While some individuals find medication helpful, others find that medication does not help their ADHD.

Psychologists, on the other hand, carry out educational and occupational assessments of ADHD. These ADHD tests and assessments provide the individuals with an in-depth understanding of how ADHD impacts on their day-to-day functioning in education and employment.

ADHD may, for example, have an adverse effect on the ability of a candidate for a job to participate in an assessment centre fairly. Similarly, ADHD might adversely impact on an employee’s performance ratings and thus make it more difficult for them to stay in employment. Because ADHD is a disability, individuals with a diagnosis of ADHD will be protected under the Equality Act 2010. The employer, therefore, should make the necessary reasonable adjustments.

Once ADHD has been diagnosed through an ADHD assessment. An individual with ADHD may well be entitled to a free grant from Access to Work to help them stay in their job or run their own business. Individuals with ADHD may be particularly susceptible to unemployment.

Some individuals with ADHD may be more liable to have frequent car accidents; get in trouble with the law, and engage in substance abuse. Individuals with ADHD are often said to have unstable relationships and may be liable to suicide attempts.

ADHD Assessment

ADHD Assessments by Expert Psychologists

Advanced assessments Ltd uses a comprehensive and robust ADHD assessment process. The assessment process involves a clinical interview with a Chartered Psychologist, completion of self-assessment forms and in most cases the completion of rating forms by another person that knows the person who is being assessed.

Observations of the individual concerned are carried out, and their behaviour is evaluated against the symptoms of ADHD that are set out in the Diagnostic and Statistical Manual (Fifth Edition). The expert psychologist might use the Diagnostic Interview for ADHD in Adults (DIVA), or the ADHD Child Evaluation Diagnostic Interview for Children.At the end of the process, a detailed report is produced. More information about our ADHD Assessments can be found by following this link.

Cognitive assessments are also carried out as part of the ADHD test, to examine issues such as how the individual with ADHD processes information. Our expert psychologists use the Wechsler Adult Intelligence Scale (Fourth UK Edition) for adults or the Wechsler Intelligence Scale for Children (Fifth UK edition) or the Wide Range Intelligence Test. Because some individuals with ADHD also have problems with their working memory, we carry out assessments of working memory using the Wechsler Memory Scale (Fourth UK Edition) or the Test of Memory and Learning (Second Edition). We will also assess provessing speed using the Comprehensive Phonological Processing Test (Second Edition) or the Symbol Digit Modalities Test.

Our ADHD tests also include an assessment of executive functioning; we use the Behaviour Rating Inventory of Executive Function (BREIF2). This test allows us to obtain information from the individual, and someone who knows the individual well to gather information about the executive function of the individual who is undergoing the ADHD assessment. We examine behavioural regulation, emotion regulation and cognitive regulation with this test.

Our expert psychologists also use the Adaptive Behaviour Assessment System (Third Edition) to obtain information from the individual about how they function, socially, cognitively, at work, and with respect to health and safety.

The ADHD assessment also uses one of two other gold standard ADHD tests. For children, we use the Conners 4. For Adults, we use the Connors Adult ADHD Rating Scales (CAARS) second edition. This allows us to obtain information from the individual, and other people that know the individual well about their symptoms. It also allows us to determine whether the individual has other conditions such as oppositional defiant disorder or conduct disorder.

ADHD Symptoms

"In examination settings, individuals with ADHD are very easily distracted. Many of the individuals that we assess failed to read the examination questions properly and answer a different question than the one which was asked by the examiner. Some individuals process information very slowly. People with ADHD are often said to be impulsive, disorganised and had difficulty setting priorities. They may exhibit poor time management skills."

It is essential to recognise that the symptoms in individuals with ADHD vary. The diagnosis has now been refined to combine what was called Attention Deficit Disorder (ADD) into one category Attention-Deficit/Hyperactivity Disorder (ADHD). Individuals are classified as having either a combined presentation; a predominantly inattentive presentation; or a predominantly hyperactive presentation.

The Key Symptoms of ADHD Are as Follows:

Inattention ― (a minimum of six of the following symptoms):

  • Frequently does not pay attention and makes many mistakes at school or at work which may appear careless.
  • Frequently finds it hard to focus and pay attention when carrying out academic work, playing or during other tasks.
  • Frequently fails to listen when others are talking to the individual (they seem to daydream).
  • Frequently does not finalise academic work or tasks at work.
  • Frequently fails to participate in tests that need focused intellectual or mental effort.
  • Frequently misplaces things for important projects such as key materials for schoolwork and other important items needed to function on a day-to-day basis.
  • Is frequently side-tracked by other things that might be happening or thoughts that may flash across their mind.
  • Frequently forgets to complete tasks, fails to attend appointments or pay bills.

Hyperactivity and Impulsivity ― a minimum of six of the following symptoms:

  • Frequently fidgets; moves around in their seat or taps their hands.

  • Frequently does not stay in their seat at times when staying in their place is expected, such as during the workplace or in class.
  • Frequently climbs or runs when they should not do. Adults or young people may continually feel restless.
  • Frequently finds it impossible to participate in games or other leisurely activities without making a lot of noise.
  • Is frequently always on the go, seeming as if they have uncontrollable energy.
  • Frequently never seems to stop talking.
  • Frequently gives the answer before another person has finished answering the question; seems to interrupt other people during conversations.
  • Frequently struggles to wait their turn in a queue.
  • Frequently intrudes or barges into other people’s activities, conversations or tries to take control of what other people are doing without being invited to do so.

Positive Characteristics of ADHD and Famous People with ADHD

There are lots of positive characteristics that arise from ADHD such as a high level of motivation, energy and drive. ADHD brings endless creativity and flexibility. Individuals with ADHD are often highly spontaneous.

There are many famous people with ADHD; neurodiversity brings many positive benefits.

Learn More About the ADHD Test and ADHD Assesments

Free ADHD Tests To Take Before You Book A Full ADHD Assessment

ADHD Test Downloads To Take Before Booking A Full ADHD Assessment

How Do You Know If You Have ADHD?

Find A Psychologist Near Me

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Advanced Assessments - Psychologists for Legal, Education and Employment
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UK: +44 208 200 0078 Emergencies: +44 7071 200 344

180 Piccadilly, London, W1J 9HF
Also at: Westhill House, Highgate Consulting Rooms, 9 Swain's Lane, London N6 6QS
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