Depends on what you're working on.
If you're stuck and want to make a career change, then you will be taken through a tried-and-tested process that takes 6 sessions.
You will get clarity and confidence at the end of those 6 sessions, but some like to keep going for 3 - 6 more sessions so they have someone that knows them well help them really cement the new ways of thinking and being

If you want help with a specific situation like how to handle your boss or how to leave your work without burning bridges, then it takes about 3 sessions. 

Usually 3 is a good minimum number because the first session is getting to know your coach and trialing a new action or tool. The second session is feeding back on how that trial went and trying another approach. The third is checking in to see if it worked (then you're off and away) or if there needs to be another approach, or if there's deeper work to be done. 

In most coaching sessions, the client comes in with a goal they want to achieve or a problem they want help with solving. 
Example goals: I want to leave London and move to Scotland; I want to feel more confident in interviews; I want to stop procrastinating. 

But career coaching is different. 
In career coaching, clients can't articulate the goal as well.
Example goals: I want help with getting clear on the next step in my career. 
They may not know what they want, they just know that they don't feel happy in their current job. So the goal of the session is discovery, rather than attainment. 

Which is why career coaches will usually have a process that they take their clients through which will help with clarity. Career coaching starts off by being coach-led. 
Whereas in normal' coaching, the sessions will always be led by the client. 

For career coaching clients: 
All my coaching starts with a 90 minute Intake session where you tell me all about your life timeline. I will have guiding questions that will zone in on the important points in life that formulate people (their family and friends, their school/ uni experience, their first wins and fails, good/ bad bosses etc). 
This thorough intake means that I get to know you better and can start to pick up on your strengths and values, and it makes you feel seen and understood.
Expect to have insights merely through recounting your life timeline. Sometimes you don't realise how something effects you until way after the event, and sometimes you forget or downplay your accomplishments, so revisiting them can be empowering and up-lifting.  

After the session you will get an email with a summary of what we spoke about, links to resources and to a workbook. 
Clients love the email summary because they get to revisit it long after our coaching finishes. 

You will have exercises to work through in between sessions and will be about you getting clear on your strengths, values, vision and interests. These exercises aren't generic ones you find on the internet. They have been specially developed for this process. They come with examples too in case you prefer to have something to springboard off. 
The best bit is that we go through your answers in the following sessions, and that's where a lot of clients get deeper insight. For example, in one of the strengths exercises you will be asked to list your strengths in previous life/ career situations (there's more to this exercise btw, but I won't go into it here). The way you talk about your strengths will naturally be a little on the humble side. But when I hear about what you did, I can play back your strengths as I see them, without the humble filter. (eg. you won't describe yourself as having an entrepreneurial mindset, but I will!). 

It's not all worksheets though. You will be taking action in between the sessions (eg. research, reaching out to an old colleague etc) so we can discuss what happens and how you feel. 

Expect to be gently nudged out of your comfort zone, but to feel calm about it because you've got support, you're not alone, and you know that this is growing you in the direction you want. 

There's no such thing as a silly question in my sessions, and it's ok not to know, or to turn up feeling like a hot mess. You will not be judged, instead you will most likely get an anecdote. 

If you don't know which coaching program is best for you, then the best thing to do is schedule a free Breakthrough call. Your coach will help you decide what is right for you, and may even create a bespoke coaching package for you particular needs. 

If you don't know what you want in general. For example, you can't decide if it's therapy, coaching or mentoring that you need, then schedule a couple of calls with therapists and a couple with coaches and see what resonates the most. 

Yes and No. 
You can if you're a returning client. 
If you've been through the Career Clarity program or you've had 1:1 coaching with me before, then yes, you can schedule a one-off session. 

If you're a new client, then no, and here's why. 

I don't tend to offer one-off coaching sessions unless it's an exception (eg, raising money for charity, contract work). Change doesn't just happen in the coaching hour. It happens in between the sessions, and that's when you want to have another session in the diary, so you have a space to take your thoughts to and so we can dig even deeper. 
Without the follow-up session, you're just operating on surface level problems and never really getting to the root of it. 
To go outside your comfort zone, you need to have a safe harbour to come back to. Change happens when you're safe. You're more likely to feel safe with someone if you trust them, and trust is something that is built over time.