If my wage was 拢13,000 what would i end up with after tax per month?

Have you misread this? Do you mean "Gross" pay? This is the amount paid before any deductions for tax or NIC.

From their invoices, headed notepaper, etc If you suspect a company is charging VAT when they are not registered contact HMRC.

you don't sound sick

It starts at 25 pence in the pound in layman's terms.

Type in google "Companies House" there is the register for all limited companies in the uk. i looked but i could not see it. hope this helps. ...

A proportion of the full time salary. eg $145,000 full time (40 hours?) = $72,500 part time (20 hours).

I wouldn' t have thought so. They only ask for your income and your partners income in the last tax year. So your daughter working PT wouldn't have any impact on your tax credit.

i think its the saving account without paying tax of it, and you cant put more than 拢3000 a year, its tax free.