ADHD and Your Employer: When, How, and What Support to Ask For — an article by Carl Argent

The short answer

You do not have to tell your employer about ADHD, and there is no rule that says you should. It tends to help to tell them when there is something specific you want to change, when you are tired of explaining yourself sideways, or when a difficulty at work has started to be read as a character fault. It tends to help less when you are saying it under pressure, without a clear ask, to someone you have no reason to trust.

Under the Equality Act 2010, ADHD can count as a disability where it has a substantial and long-term effect on your day-to-day life, and once your employer knows, or could reasonably be expected to know, they have a duty to consider reasonable adjustments. That is the legal frame. The rest of this article is about the human one: choosing the moment, finding words that describe how you work rather than what is wrong with you, and asking for support that would actually make a difference.

Why this feels so heavy

On paper it is a short conversation. In practice you may have been rehearsing it for months. You draft the email and delete it. You get as far as your manager’s door and decide that this week is not the week. You tell yourself that you are managing, and mostly you are, at a cost nobody at work can see: the evenings spent catching up, the alarms stacked on alarms, the low hum of checking whether you have missed something.

Part of the weight is that the fear is not irrational. In a large UK survey, around two thirds of neurodivergent employees said they feared discrimination from management, and over half feared it from colleagues (McDowall and Doyle, 2023). Roughly a third of neurodivergent workers have not told their line manager or HR, and the reasons they give are the ones you may recognise: it feels private, they worry about being stereotyped, they expect stigma, or they suspect it could cost them a promotion (CIPD, 2024). If you have been holding back, you have been weighing something real.

Another part is older than the job. If you grew up being told you were careless, lazy or not trying, the idea of saying “I have ADHD” out loud can feel like confirming every one of those verdicts. It is worth noticing that this is the shame talking rather than the facts. ADHD is a difference in how attention, memory and motivation are regulated, and the difficulties it brings at work are well documented and have nothing to do with effort or character (Adamou et al., 2013). You are not confessing. You are giving someone information they need in order to work with you well.

There is also a quieter reason the decision drags on. People tend to speak up at work when they can see a concrete benefit, when they trust the person they are telling, and when they believe the culture will hold it well (Brohan et al., 2012; Toth and Dewa, 2014). Nobody decides this in the abstract. The question is rarely “should I tell them”; it is “what would I want to change if I did, and is this the person and the moment”.

What the law gives you, in plain words

The Equality Act 2010 protects you from being treated less favourably because of a disability, and it defines disability by effect rather than by label: a physical or mental impairment that has a substantial and long-term adverse effect on your ability to carry out normal day-to-day activities. Substantial means more than minor or trivial. Long-term means it has lasted, or is likely to last, at least twelve months. ADHD is lifelong, and where it substantially affects things like concentration, organisation, memory or managing time, it will usually meet that test.

Two things follow from that. First, you do not strictly need a formal diagnosis to be protected. What matters is the effect on you, though a diagnosis or an assessment report makes the conversation simpler and your employer’s duty clearer. Second, the duty to make reasonable adjustments only arises once your employer knows about the disability, or could reasonably be expected to know. That is the practical reason disclosure matters. An employer cannot adjust for what they have not been told, and if things go wrong later, the record of what you said and when becomes important.

Reasonable is the word people worry about. It means the adjustment has to be practicable and proportionate for the organisation, taking into account cost, disruption and how much difference it would make. Most adjustments that help with ADHD are cheap or free, so the question is usually one of willingness rather than expense. Where the cost is higher, for coaching or specialist software, the government’s Access to Work scheme can fund it directly, separately from anything your employer decides.

What you tell your employer is also confidential. Health information should not be shared beyond the people who need it to arrange support without your agreement, and it is reasonable to say, when you disclose, who you would like to know and who you would not.

When to tell them

There is no single right moment, but there are moments that tend to go better than others. It may help to think about three of them.

Before anything has gone wrong

This is the moment most people skip, and it is often the best one. Telling your manager while things are steady means the conversation is about how you work rather than about a problem. You are not defending yourself against anything. You are describing what helps you do your job well and asking whether some of it can be built in. Managers tend to hear this very differently from a disclosure that arrives in the middle of a difficult review, and adjustments agreed calmly tend to be better designed than those negotiated in a hurry.

When something has gone wrong

Sometimes the decision is made for you by a missed deadline, a complaint, or a performance conversation. If that is where you are, it is still worth telling them, and it is worth doing it sooner rather than later in the process. Say plainly that you have ADHD, that you now understand it has been affecting the things being discussed, and that you would like adjustments considered before any next step is decided. Put it in writing the same day. An employer who learns about a disability during a performance process has to take it into account, and the record of when you told them protects you.

When you are applying for a job

You are not obliged to mention ADHD on an application, and employers may only ask about health before an offer for narrow reasons, such as arranging adjustments to the interview itself. Many people ask for interview adjustments, for example seeing the questions in advance, without disclosing more than they need to. Once an offer has been made, telling your new employer early lets support be in place from the first week rather than the first crisis.

How to say it

The words matter less than the frame. Most people go in either apologising or bracing for a fight, and both tend to produce the reaction they fear. There is a third way to hold the conversation, and it comes from noticing what you are moving towards rather than what you are trying to avoid. People who frame a difficult conversation around what they want to build tend to be steadier in it, and to be heard more accurately, than those who frame it around the disaster they are trying to prevent (Elliot, 2006). You are not there to stop something bad happening. You are there to make the job work better, for you and for them.

So lead with how you work. Something like: “I have ADHD, and I want to talk about a few practical things that would help me do this job well.” Then describe the effect rather than the label. “I work best with written instructions I can go back to. I lose things that are only said in passing. I do my best thinking in uninterrupted blocks, and I struggle when priorities are not clear.” A manager can act on that. A diagnosis on its own leaves them guessing, and many will guess from what they saw on television.

Keep the first conversation short and specific. Two or three requests, not twelve. A manager who has said yes to something small and seen it work is far more likely to say yes to something larger. If you are not sure what to ask for, it is reasonable to say so and to ask for a follow-up meeting or a referral to occupational health, whose job is to recommend adjustments.

Then confirm it in writing. A brief email afterwards, listing what was agreed, is not bureaucracy. It is the record that makes the agreement real, and it turns a moment of courage into something that does not depend on anyone’s memory, including your own.

One more thing about the moment itself. It may help to decide in advance what you will do if the conversation wobbles: if they look blank, if they minimise, if they change the subject. A plan of the form “if they say I seem to manage fine, then I will say that managing has been costing me most evenings” is far more likely to be carried out than a general intention to stay calm (Gollwitzer, 1999). Rehearsing that one sentence out loud is often the difference between saying it and leaving the room having said nothing.

What support to ask for

The most useful adjustments for ADHD are rarely the ones people expect. They tend to be small changes to how work reaches you, how it is organised and how it is reviewed, rather than anything that marks you out. It helps to think in terms of the points where your working day actually breaks down.

If instructions get lost, ask for tasks to be given in writing, or for you to be able to send a short summary after a verbal briefing and have it confirmed. If everything feels equally urgent, ask for a single point of contact who can tell you what comes first, and for a brief weekly check-in where priorities are set and reset. If you cannot think in an open-plan office, ask for a quieter desk, noise-cancelling headphones, or agreed blocks of time when you are not to be interrupted, including by messages. If mornings are hard, ask for flexible start times with a fixed core. If meetings vanish from your memory the moment they end, ask for agendas in advance and notes afterwards. If long projects sink, ask for deadlines to be broken into visible stages with something due each week.

These are the adjustments; the support that makes them stick is different. The evidence on workplace interventions for adults with ADHD is thinner than it should be, but what exists points towards structured coaching and support that is tailored to the person and their actual job, rather than generic training (Lauder, McDowall and Tenenbaum, 2022). This is what Access to Work most often funds for people with ADHD: a block of coaching sessions, sometimes alongside software or a support worker, paid for by the government rather than by your employer. You apply yourself, you do not need a formal diagnosis to be eligible, and the assessment is about what would help you in your role.

Ask for what would really help rather than what seems modest enough to be granted. Employees whose adjustments are tailored to them are markedly less likely to think about leaving (McDowall and Doyle, 2023), and a good manager knows that keeping you is cheaper than replacing you. You are not asking for a favour. You are describing the conditions under which the organisation gets the best of what you can do.

If it does not go well

Sometimes the conversation lands badly. A manager says you seem fine to them, or that everyone struggles with focus, or agrees to everything and then does nothing. It is easy, afterwards, to turn that on yourself: to decide that you said it wrong, that you should have waited, that you were foolish to expect better. Try to resist that reading. The reaction tells you something about their understanding and about the organisation, not about whether you were right to speak.

Treating yourself, in that moment, with the steadiness you would offer a colleague who had tried something brave and been met with indifference is not a soft option. People who can do it tend to recover faster and are more willing to try again in a different way (Neff, 2003). That matters here, because there is usually a next step. You can put the request in writing again, more formally. You can ask for a referral to occupational health, whose recommendations are hard to ignore. You can talk to HR, to a union representative if you have one, or to Acas, who advise employees for free. A formal grievance exists if you need it, but most situations do not get that far once the request is written down and the duty is named.

What helps most, though, is not knowing the escalation route. It is having a clear sense of what you were asking for and why, so that a poor first response is a setback in a plan rather than the end of one. Hope, in the sense researchers use the word, is exactly this: a goal you can see, more than one route to it, and a belief that you can walk the route (Snyder, 2002). Each time you make a request, follow it up and see even part of it happen, that belief tends to grow, and it becomes easier to make the next one (Bandura, 1997).

Try it this week

Before you say anything to anyone, take twenty minutes and write down the three points in your working week where things most often go wrong. Not the symptoms, the moments: the Monday briefing you cannot hold in your head, the afternoon in the open-plan office, the long project with one distant deadline. Next to each, write one small change that would make that moment easier. You now have the whole of the conversation on a page. Whether you have it this month or next, you will not be going in empty-handed.

Quick answers

If you want to take this further

Working together adds what an article cannot: a clear map of where your particular working week breaks down, the words for the conversation rehearsed with someone who has heard many of them, and adjustments reviewed against what actually happened once they were in place. You can read more about workplace ADHD coaching, and a free initial conversation is the usual first step. Where the difficulty seems to run deeper than the practical, counselling is also available.

Sources and further reading

Adamou, M., Arif, M., Asherson, P., Aw, T.-C., Bolea, B., Coghill, D., Guðjónsson, G., Halmøy, A., Hodgkins, P., Müller, U., Pitts, M., Trakoli, A., Williams, N., & Young, S. (2013). Occupational issues of adults with ADHD. BMC Psychiatry, 13, 59.

Bandura, A. (1997). Self-efficacy: the exercise of control. New York: W. H. Freeman.

Brohan, E., Henderson, C., Wheat, K., Malcolm, E., Clement, S., Barley, E. A., Slade, M., & Thornicroft, G. (2012). Systematic review of beliefs, behaviours and influencing factors associated with disclosure of a mental health problem in the workplace. BMC Psychiatry, 12, 11.

CIPD (2024). Neuroinclusion at work report 2024. London: Chartered Institute of Personnel and Development.

McDowall, A., & Doyle, N. (2023). Neurodiversity at work 2023: demand, supply and a gap analysis. Birkbeck, University of London, for Neurodiversity in Business.

Elliot, A. J. (2006). The hierarchical model of approach-avoidance motivation. Motivation and Emotion, 30(2), 111–116.

Gollwitzer, P. M. (1999). Implementation intentions: strong effects of simple plans. American Psychologist, 54(7), 493–503.

Lauder, K., McDowall, A., & Tenenbaum, H. R. (2022). A systematic review of interventions to support adults with ADHD at work: implications from the paucity of context-specific research for theory and practice. Frontiers in Psychology, 13, 893469.

Neff, K. D. (2003). Self-compassion: an alternative conceptualization of a healthy attitude toward oneself. Self and Identity, 2(2), 85–101.

Snyder, C. R. (2002). Hope theory: rainbows in the mind. Psychological Inquiry, 13(4), 249–275.

Toth, K. E., & Dewa, C. S. (2014). Employee decision-making about disclosure of a mental disorder at work. Journal of Occupational Rehabilitation, 24(4), 732–746.

UK Government. Access to Work: get support if you have a disability or health condition. GOV.UK.

UK Government. Definition of disability under the Equality Act 2010. GOV.UK.

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