Greenfield is a Belgian company although the online payments go through a Dutch payment system: Mollie payments. This way is completely safe.
If you decide to pay by wire transfer, you pay on the Belgian account. With the following information.
Company name: Greenfield BV
Bank name: Belfius
Address of the bank:
Mechelsesteenweg 60
2550 KONTICH
BELGIUM
IBAN:BE88068936012641
BIC: GKCCBEBB
Reference: Invoice number