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I am attempting to create my first self assessment tax return, however I am finding it difficult to navigate. I am employed by an agency to require me to complete my own taxes, I have no idea what category I fall under or how to complete these. After looking online, im finding it too overwhelming to navigate along. It asked me to complete a Business registration form, which I begun, however this isn't my business I am just employed by them so feel this was incorrect. Please can you help support me through my first time completing this and help me discover how to correctly do this. Kind regards,

Hi MelissaP,
We are more than happy to help you register for Self Assessment, and give you the advice you need to help you file your tax return.
To help us support you, just contact us by webchat or phone here:
Self Assessment: general enquiries
Further help here: 
HMRCgovuk
Thank you.