Specialist evidence-based therapy to help you understand persistent self-doubt, recognise what makes your competence difficult to trust and develop a more balanced relationship with achievement and belonging.
You may have worked hard to get where you are, gained qualifications, developed considerable experience or received consistently positive feedback. And yet part of you still wonders: What if I’m not actually as capable as people think?
Success may be quickly explained away. You were lucky. Somebody helped. You worked harder than everyone else. The task wasn’t particularly difficult. They haven’t realised what you don’t know yet.
Mistakes follow different rules. One difficult question, piece of feedback or unfamiliar situation can suddenly feel like evidence that your doubts were right all along.
This experience is commonly called impostor syndrome, although it isn’t a formal mental health diagnosis. It describes a pattern in which competence can be difficult to internalise despite evidence of achievement.
For some people, that leads to overpreparing, checking, working excessively or feeling they must know everything before contributing. For others, it means procrastinating, staying quiet, turning down opportunities or waiting until they feel completely ready.
And sometimes feeling like an outsider isn’t simply something happening inside you. Being underestimated, excluded, discriminated against or entering environments where very few people share aspects of your identity or experience can genuinely affect whether you feel that you belong.
Therapy shouldn’t turn those experiences into an individual confidence problem. The aim isn’t to convince you that you’re exceptional at everything. It’s to create enough space for competence and uncertainty, strengths and limitations, knowing and still learning to exist at the same time.
Understanding Impostor Feelings
One of the most interesting features of impostor feelings is that success and failure often seem to follow completely different rules. When something goes well: “I got lucky.” “Anyone could have done that.” “I only managed because I worked ridiculously hard.” When something doesn’t: “I knew I wasn’t good enough.”
Success becomes circumstantial. Mistakes become personal. Over time, competence can begin to feel incredibly fragile. Instead of: “I’m capable and I’m still learning,” you may feel as though you need to continually prove that you’re capable enough to be there. Asking a question can feel exposing. Needing help can feel like evidence against your competence. Encountering something you don’t know can become frightening because perhaps this will finally be the thing that reveals you.
Comparison can strengthen this further. We have access to all of our own uncertainty, preparation, mistakes and effort whilst usually seeing only a fraction of somebody else’s. We compare our behind-the-scenes with somebody else’s finished performance. You might find yourself wondering:

Competence doesn’t mean knowing everything. It includes recognising what you know, understanding what you don’t, asking questions, making mistakes and continuing to learn.
Therapy isn’t about replacing: “I’m an impostor” with: “I’m brilliant.” We’re aiming for something much more believable: “I’m capable, and I don’t need to know everything to belong here.”
How Impostor Feelings Can Affect Everyday Life
Impostor feelings can influence far more than how confident you feel. You might notice:
- Discounting achievements, attributing them to luck, timing or excessive effort.
- Difficulty accepting positive feedback, assuming people are simply being kind.
- Fear of being “found out”, despite evidence of competence.
- Overpreparing, spending considerably more time on tasks than they require.
- Repeated checking, because mistakes feel unusually significant.
- Difficulty asking questions, worrying that you should already know the answer.
- Overworking, trying to continually prove your value.
- Procrastination, particularly when starting means risking discovering that you can’t do something perfectly.
- Avoiding opportunities, waiting until you feel completely ready.
- Staying quiet, even when you have something valuable to contribute.
- Comparison, particularly with people who appear confident or experienced.
- Difficulty delegating, feeling responsible for making sure everything is done correctly.
- Feeling uncomfortable after promotion or success, because expectations now feel higher.
- Struggling to enjoy achievements, quickly moving towards the next thing you need to prove.
- Feeling that you don’t belong, despite having legitimately earned your place.
For neurodivergent people, competence can sometimes feel particularly complicated. You may be highly capable in one area whilst finding apparently straightforward tasks disproportionately difficult. Executive functioning, sensory demands, communication differences or fluctuating attention may mean that how easy something feels isn’t always a reliable measure of how capable you are. Needing accommodations or support doesn’t cancel out competence.
What Can Keep Impostor Feelings Going?

Imagine you’re asked to give an important presentation. You worry that people will realise you don’t know enough, so you spend hours researching every possible question and rehearsing repeatedly. The presentation goes well. But instead of concluding: “I know my subject and handled that well,” your mind concludes: “It only went well because I prepared so much.” The next presentation therefore feels just as threatening. The preparation helped you perform but it also made it difficult to discover what you might have been capable of without needing to eliminate every possibility of uncertainty first.
How Therapy Can Help
Therapy begins by developing a shared understanding of what competence, achievement and belonging mean to you and what makes them difficult to trust.
Depending on your formulation, therapy may draw on Cognitive Behavioural Therapy (CBT), Compassion Focused Therapy (CFT), Acceptance and Commitment Therapy (ACT), Schema Therapy, EMDR or Integrative Psychotherapy. We may work with perfectionism, comparison, self-criticism, fear of mistakes, earlier experiences or the strategies you use to prevent yourself from being exposed.
Where neurodivergence, identity, discrimination or the environment itself contributes to feeling different or out of place, this remains part of the formulation rather than locating the entire problem within you.
Integration doesn’t mean using everything at once. The formulation guides what we use, when and why.
The aim isn’t endless confidence. It’s developing a fairer and more flexible way of evaluating what you know, what you’re still learning and whether you deserve to participate while doing both.
Common Misconceptions About Impostor Syndrome
“Successful people don’t experience impostor syndrome.”
Achievement doesn’t necessarily protect us from self-doubt. Highly experienced and capable people can still struggle to internalise their competence. In fact, developing greater expertise can make us increasingly aware of complexity and everything we still don’t know.
“If I feel like an impostor, there must be some truth in it.”
Feelings can be incredibly convincing, but emotions are signals, not evidence. Feeling inadequate tells us something important about your internal experience; it doesn’t automatically provide an objective assessment of your ability.
“Real experts know what they’re doing all the time.”
Expertise doesn’t mean having every answer. Recognising the limits of your knowledge, asking questions, consulting others and changing your mind when you learn something new can all be signs of competence rather than evidence against it.
“Working harder will eventually make me feel good enough.”
When excessive effort becomes the way you prove that you deserve to belong, the finish line often keeps moving. Each achievement creates another standard to meet, whilst success gets attributed to how hard you worked rather than being allowed to count as evidence of your ability.
“If I were more confident, I wouldn’t feel this way.”
Confidence and competence aren’t the same thing. Someone can appear very confident whilst knowing relatively little, whilst someone with considerable expertise may experience uncertainty. Therapy isn’t about teaching you to perform confidence; it’s about developing a fairer relationship with what you know and what you’re still learning.
“Impostor syndrome is always an individual confidence problem.”
Not necessarily. Experiences of exclusion, discrimination, underrepresentation or repeatedly being underestimated can understandably influence whether someone feels they belong. Therapy can explore both the beliefs you’ve internalised and the environment in which those beliefs developed.
“Overcoming impostor syndrome means never doubting myself.”
Self-doubt is a normal part of learning and entering unfamiliar situations. The goal isn’t to eliminate uncertainty, but to stop automatically translating “I don’t know” into “I shouldn’t be here.”
Food For Thought
If your mistakes count as evidence about your ability, why don’t your successes?
A Note from Agi
One of the things I find particularly interesting about impostor syndrome is how often people arrive in therapy with plenty of evidence that they’re capable and just as many reasons why none of that evidence really counts.
Qualifications become “I just worked hard.” Positive feedback becomes “They’re being nice.” Experience becomes “I’ve somehow managed to get away with it.” Yet one mistake or difficult question can suddenly feel like the most reliable evidence available.
When we explore this together, I’m less interested in persuading someone that they’re brilliant and more interested in understanding why their mind has developed such different rules for success and failure. We may find perfectionism, shame, comparison, earlier criticism or experiences of feeling different underneath. For some neurodivergent people, years of masking or compensating can also create a significant gap between how capable they appear and how effortful that competence feels internally.
For me, the aim isn’t to replace self-doubt with certainty. None of us knows everything, and there will always be situations where we’re learning. It’s about reaching a place where “I don’t know” can simply mean “I don’t know yet” rather than “I’ve finally been found out.”
Frequently Asked Questions
Is impostor syndrome a mental health diagnosis?
No. Impostor syndrome, also referred to as the impostor phenomenon, isn’t a formal mental health diagnosis. It describes experiences involving persistent self-doubt, difficulty internalising achievements and fears that others may have overestimated your competence.
Why do I still feel like an impostor when I have evidence that I’m capable?
Often, the difficulty isn’t an absence of evidence but what happens to that evidence once you receive it. Achievements may be attributed to luck, effort, timing or other people, whilst mistakes are given much greater significance. Therapy can help us recognise these different rules and develop a more balanced way of evaluating yourself.
Is impostor syndrome connected to perfectionism?
They frequently overlap, but they’re not the same thing. If competence means never making mistakes, knowing every answer or performing exceptionally well, ordinary uncertainty can easily feel like evidence that you’re inadequate. However, not everyone who experiences impostor feelings is perfectionistic.
Can neurodivergence contribute to impostor feelings?
For some people, yes. Uneven strengths, executive functioning differences, masking, compensating and repeated experiences of being misunderstood can create a complicated relationship with competence. You can be highly capable and genuinely need support or accommodations in particular areas; one doesn’t invalidate the other.
Why has starting a new job or getting promoted made it worse?
New roles naturally involve uncertainty and learning. You may be comparing yourself with people who have considerably more experience in that particular role whilst expecting yourself to perform at the same level immediately. Impostor feelings can interpret a normal learning curve as evidence that you weren’t ready or shouldn’t have been given the opportunity.
Can impostor syndrome affect relationships too?
Yes. Similar fears can appear in friendships, romantic relationships, parenting and other areas of life. You might worry that people would think differently of you if they “really knew you”, struggle to accept compliments or feel that you somehow need to earn your place within relationships.
Can therapy help if my workplace or environment genuinely contributes to how I feel?
Yes. Therapy doesn’t assume every feeling of not belonging originates inside you. We can explore your internal beliefs alongside workplace culture, expectations, exclusion, discrimination or other contextual experiences that may genuinely be contributing to how you feel.
Can therapy be delivered online?
Yes. Many psychological therapies can be delivered effectively online, depending on the individual and the type of therapy being offered.
I provide online therapy across the UK, as well as working internationally where appropriate and where professional and regulatory requirements allow. For people who prefer face-to-face therapy, I offer in-person appointments in Menai Bridge, Anglesey and Llandudno, Conwy, North Wales.
During the initial assessment, we can consider whether online or in-person therapy is the best fit and discuss any practical or clinical factors that may influence how therapy is delivered.
How Do We Start?
If you find yourself questioning whether you’ve really earned your achievements, worrying that other people have overestimated you or feeling as though you’re one mistake away from being “found out”, you’re welcome to book a free 15-minute discovery call.
You don’t need to know whether what you’re experiencing is impostor syndrome, perfectionism, low self-esteem or something else.
We’ll begin by exploring where self-doubt appears, how you evaluate your competence and what happens around success, mistakes, uncertainty and feedback. We’ll also consider perfectionism, comparison, neurodivergence and the environments in which these experiences occur where relevant.
From there, we’ll develop a shared formulation and consider which therapeutic approach is most appropriate.
The aim isn’t to convince you that you’re exceptional. It’s to help you develop a fair enough relationship with your abilities that knowing some things, not knowing others and continuing to learn can all coexist.
If You Only Take One Thing Away…
Not knowing everything doesn’t mean you don’t belong. Competence includes learning, asking questions, making mistakes and recognising the limits of what you know. You don’t need certainty about your ability before you’ve earned the right to take up space.
