Discount store chain, One Below Retail and gym operator Snap Fitness are set to open in Cross Hands Retail Park.
They will join existing stores including Iceland Foods, Lidl and B&M.
The owner of the Carmarthenshire retail park, Conygar Investment Company said it was delighted to see the the shopping park now fully let, with the businesses filling the last remaining unit.
Conygar Investment Company PLC (LON:CIC) is an AIM quoted property investment and development group dealing primarily in UK property.