Charging Taxes on the work I do for a customer

In the UK you’d charge tax (VAT) at 20% on all goods and services, unless your total business income is less than the threshold per year. But you could also reclaim VAT on all your business purchases. But anyway, ask your accountant.

If you don't reach the threshhold you can also still be VAT registered voluntarily - its a matter of weighing up the pros and cons and see which situation suits you best.

Make that every STATE, COUNTY and municipality has different tax laws.   This is something you must check at the local level. 

Where I live, there is no State tax on service but there is tax on tangible goods.  In other States, it's the complete opposite.  So it could matter a great deal where your customer lives, where you live and if you send your customers prints or digital files.