Thanks for your post - I am Sam and I am one of the UK tax experts.
As part of our affiliation with Just Answer we cannot be engaged to represent you to complete you tax return but we can offer a telephone service which would allow assistance to be given to assist you in completing this yourself (or via this question and answer we are currently engaged in)
Te cost would depend on which method you choose and how much work is involved.
What incomes do you have to declare ?
I can then advsie further