International Shipping to Turkey

Can anyone tell me please if they have found a shipping option to send to Turkey
Duty Paid?

My Royal Mail manager tells me they don’t offer a duty paid service to Turkey. Every courier I have tried says they don’t either, or they want very large quantities of parcels sent each month. As a small business that is likely to be unachievable.

I have tried courier options suggested by Amazon but they don’t even reply. I don’t understand why if Amazon wants to sell in Turkey they can’t just collect the duty and customs at checkout and pay it to the relevant authority. Every other international marketplace I sell on does that. Why does Amazon have to make everything so impossibly difficult?