primarybuyer

noun
UK /ˈpraɪməri ˈbaɪə/
US /ˈpraɪmɛri ˈbaɪər/

The main person who buys something.

The primarybuyer for the new house signed the papers today.


OTHER MEANINGS

2. The person who makes most of the buying decisions for a group or family.

In their household, Mom is the primarybuyer for groceries.

3. The first or most important person to buy a company's products.

The startup thanked its primarybuyer for believing in them early.

4. A person who buys the largest share of goods from a seller.

The farmer's primarybuyer takes most of his vegetables each week.