noun
moving company; mover; removalist
Refers to a business or person that handles moving (引っ越し). The 屋 suffix indicates a shop or professional service.
来月引っ越すので、引っ越し屋を予約した。
I'm moving next month, so I booked a moving company.
引っ越し屋さんが家具を運んでくれた。
The movers carried the furniture for me.
引っ越し is the act of moving itself; 引っ越し屋 is the business or person that performs the moving service.
Compound of 引っ越し (moving, from 引く 'pull' + 越す 'move across') and 屋 (shop, professional).